| Entries |
| Document | Title | Date |
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| 20080203996 | System and method for monitoring negative bias in integrated circuits - A bias voltage monitoring circuit is disclosed which comprises a first device coupled between a positive high voltage power supply (VDD) and a first node, a second device coupled between the first node and a second node where the bias voltage is applied, and a pad coupled to the first node, wherein the first and second devices form a voltage divider and a voltage measured at the pad reflects the bias voltage, and the first device and the second device is so chosen that a voltage at the first node is always positive for a given range of the bias voltage. | 08-28-2008 |
| 20080203997 | DIGITAL CURRENT SENSE - A circuit for measuring a current in an output inductor of at least one switching power supply having high- and low-side switches connected at a switching node, the output inductor having input and output terminals, the input terminal being connected to the switching node. The circuit including a sensing circuit for detecting a direction of current through the inductor, the sensing circuit generating a sense voltage related to the direction of current; a comparator circuit having an output terminal and input terminals coupled to the sensing circuit and receiving the sense voltage, the comparator circuit providing a comparison output of the sense voltage and an output voltage of the output inductor; and a switched current source circuit controlled by the comparison output for providing a reference current to the sensing circuit, the comparison output turning the switched current source circuit ON and OFF depending on the comparison output and having a duty cycle, whereby the average current flowing through the switched current source circuit is substantially equal to the average current in the sensing circuit and proportional to the duty cycle, the duty cycle being proportional to the inductor current. | 08-28-2008 |
| 20080211479 | THRESHOLD DETECTION IN BACK-UP POWER SUPPLY SYSTEMS - A threshold detection circuit includes, in one embodiment, a comparator having a first input connection for receiving a backup voltage from a backup power source, a second input connection for receiving a primary voltage from a primary power source, and an output connection for providing an output voltage; a first resistor and a first capacitor that are coupled in series between the first input connection and the output connection; and a second resistor that is coupled between the first input connection and the output connection, and that is coupled in parallel to the series of first resistor and the first capacitor | 09-04-2008 |
| 20080211480 | Method for the determination of a voltage limit of a clutch actuating motor - A method for the determination of a motor voltage limit, wherein a clutch actuator of an automated shift transmission remains motionless, including the steps of (a) raising or lowering a withstand voltage by an increment ΔU, starting from a current withstand voltage (U | 09-04-2008 |
| 20080218151 | ON CHIP DUTY CYCLE MEASUREMENT MODULE - A method and a circuit for measuring an on chip duty cycle. The circuit includes a capacitor, a switching circuit, a current source, a comparator circuit and a counter. The circuit receives a first clock signal and a second clock signal. The first clock signal has a 50% duty cycle and the second signal has an unknown duty cycle signal. The switching circuit first receives the first clock signal and then the second clock signal for measuring the duty cycle. The comparator circuit compares a comparator voltage with a reference voltage for the first clock signal to measure a first elapsed cycle using the counter. The comparator circuit again compares a comparator voltage with a reference voltage for the second clock signal to measure a second elapsed cycle using the counter. The counter measures the first elapsed cycle and the second elapsed cycle corresponding to the first clock signal and the second clock signal for a duration in which the comparator voltage equals the reference voltage. The duty cycle for the second clock signal is then calculated using the first elapsed cycle and the second elapsed cycle. | 09-11-2008 |
| 20080218152 | METHOD FOR CURRENT SENSING IN SWITCHED DC-TO-DC CONVERTERS - A method for sensing the supply current of a switched DC-to-DC converter is discussed. The method sensing a first voltage that is proportional to the supply current, wherein the first voltage has first noise; outputting a second voltage that is based on the first voltage, and wherein the second voltage has second noise that is smaller than the first noise; and comparing the second voltage to a reference voltage to provide an indication of the supply current. According to the systems and methods disclosed herein, accurate current sensing is provided. | 09-11-2008 |
| 20080224687 | METHOD AND APPARATUS FOR MONITORING FUEL CELLS - Methods and apparatus are provided for monitoring a coolant conductivity of a fuel cell supplying power via positive and negative buses. The method includes measuring a first voltage of the positive bus, measuring a second voltage of the negative bus, applying a resistance between the positive bus and a reference potential, measuring a third voltage of the positive bus after a period of applying the resistance, and determining an isolation resistance based on the measured voltages. The isolation resistance is a function of the coolant conductivity. | 09-18-2008 |
| 20080238404 | METHOD AND APPARATUS FOR MONITORING A LOAD - Applicants have created an improved method and apparatus for remotely monitoring an electrical load and assessing key attributes of power-related anomalies and line disturbances caused or created by the electrical load and qualifying their conformity to certain expected steady state conditions. The apparatus includes an intelligent power distribution module that can include a power output section, a power input section, a communication section, and related circuitry. The intelligent power distribution module can further include a memory section, a sensing device, a processing device, and a switch. The method for monitoring an electrical load having a current and voltage requirement supplied by an electrical source coupled to the load generally includes: interfacing a sensing module between the load and the electrical source; sensing one or more characteristics of the load; and determining the performance of the load sensing. | 10-02-2008 |
| 20080246460 | Method and apparatus for measuring the output current of a switching regulator - One embodiment of the present invention provides an apparatus that measures the average-output-current produced by a switching regulator within an electronic device. The apparatus includes current-sensing-circuitry coupled to a switching field-effect-transistor (FET) within the switching regulator, wherein the current-sensing-circuitry is configured to bypass a small sense current from the conducting current of the switching-FET according to a sense ratio, wherein the conducting current is controlled by a control signal for the switching regulator. The apparatus also includes a current-to-voltage-converter coupled to the current-sensing-circuitry which is configured to convert the sense current into a sense voltage. The apparatus further includes voltage-averaging-circuitry which is configured to produce an average-sense-voltage from the sense voltage. This sense voltage is coupled to the input of the voltage-average-circuitry through a switch, which is gated by the control signal. The average-output-current of the switching regulator is indicated by the average-sense-voltage. | 10-09-2008 |
| 20080278141 | Rf Power Sensing Circuit - The present invention provides an electronic circuit for measuring of an output power of a RF power amplifier The electronic circuit comprises a current sensing transistor for sensing the RF current of the power amplifier and a voltage sensing module for sensing the voltage of the RF power amplifier. The electronic circuit further comprises a coherent detector for multiplying the sensed current and the sensed voltage in the time domain. In this way a signal is generated that is directly indicative of the power provided by the power amplifier irrespective of its actual load. Preferably, the coherent detector is implemented as a Gilbert quad and provides a differential output that effectively allows for DC offset compensation. | 11-13-2008 |
| 20080297136 | SYSTEM AND METHOD TO DETECT, IN A VEHICLE, BLOCKAGE OF AN AIRFLOW PASSAGE TO A POWER STORAGE UNIT - A driver of a vehicle is alerted if an air passage from an air source to a battery becomes blocked. The determination as to whether the air passage is blocked may be based on the temperature of the battery, the airflow through the air passage, and the power to a fan used to move air through the air passage. | 12-04-2008 |
| 20080303507 | Current Measurement Circuit and Method - Apparatus ( | 12-11-2008 |
| 20090015236 | Noise diagnosis of operating conditions for an electromagnetic flowmeter - An analysis circuit in an electromagnetic flowmeter provides diagnostic operating conditions and identifies one or more of the diagnostic operating conditions for which the coil current is stable during a sample interval. A diagnostic operating condition is selected as a measurement operating condition as a function of a noise floor measurements of the electrode voltage. | 01-15-2009 |
| 20090021235 | METHODS AND SYSTEMS FOR DETECTING DC INFLUENCE IN A CURRENT SENSOR - Methods and systems for an electrical meter are provided. The meter includes a current sensor configured to be communicatively coupled to a conductor, and a processor communicatively coupled to the current sensor wherein the processor is configured to receive signals indicative of current flow through the conductor and wherein the processor is further configured to process the signals to determine an imbalance between the positive half cycle of the current flowing through the conductor and the negative half cycle of the current flowing through the conductor to detect a DC influence on the current sensor. | 01-22-2009 |
| 20090021236 | Alignment Correction System and Method of Use - A system and method for correcting alignment of a product on a tool and, more particularly, to a system and method for correcting alignment of a wafer on a chuck of a tool. The system is a tool comprising at least one contact near a circumference of the tool and a grounded contact proximate to the at least one contact. The method comprises measuring current on each branch of a circuit and calculating an angle of a wafer based on a difference in the current on each branch of the circuit. | 01-22-2009 |
| 20090027036 | SENSING DEVICES FROM MOLECULAR ELECTRONIC DEVICES UTILIZING HEXABENZOCORONENES - The present invention generally relates to the fabrication of molecular electronics devices from molecular wires and Single Wall Nanotubes (SWNT). In one embodiment, the cutting of a SWNT is achieved by opening a window of small width by lithography patterning of a protective layer on top of the SWNT, followed by applying an oxygen plasma to the exposed SWNT portion. In another embodiment, the gap of a cut SWNT is reconnected by one or more difunctional molecules having appropriate lengths reacting to the functional groups on the cut SWNT ends to form covalent bonds. In another embodiment, the gap of a cut SWNT gap is filled with a self-assembled monolayer from derivatives of novel contorted hexabenzocoranenes. In yet another embodiment, a device based on molecular wire reconnecting a cut SWNT is used as a sensor to detect a biological binding event. | 01-29-2009 |
| 20090027037 | Method for detecting an isolated network - The subject matter of the invention is a method for detecting an isolated network for an inverter ( | 01-29-2009 |
| 20090033312 | Electric field detector - The detector utilises the microstructure and effects integration of an electric field over the volume of a ferrite core. The detector, in one form, includes upper ferrite pole half ( | 02-05-2009 |
| 20090033313 | METHOD AND APPARATUS FOR DETERMINING A CHARACTERISTIC CURVE FOR AN ELECTRIC VARIABLE OF A WIND ENERGY PLANT - The present invention is related to a method for determining a characteristic curve ( | 02-05-2009 |
| 20090045797 | MEASURING APPARATUS FOR POWER LOSS OF MAGNETIC DEVICE - A measuring apparatus for measuring power loss of magnetic device is disclosed. The measuring apparatus includes a power converter, a voltage measuring device and a current measuring device. The power converter is connected to the DC power supply and the magnetic device for converting the DC voltage supplied by the DC power supply into a rectangular wave alternating between positive and negative for use by the magnetic device. The voltage measuring device is connected in parallel with the DC power supply for measuring the input voltage of the power converter. The current measuring device is connected in series between the DC power supply and the power converter for measuring the input current of the power converter. The power loss of the magnetic device is substantially equal to the product of the input voltage and input current of the power converter. | 02-19-2009 |
| 20090072809 | Method for detection of the presence of a load and drive circuit - Methods and apparatuses for detection of a presence of a load. A method may include, for example, applying and subsequently removing a supply voltage across the pair of nodes, comparing an electrical potential at one of the pair of nodes at a time after the supply voltage is removed with a reference value, and generating a signal having a value that depends upon an outcome of the comparison. | 03-19-2009 |
| 20090072810 | Voltage-drop measuring circuit, semiconductor device and system having the same, and associated methods - A voltage-drop measuring circuit is capable of measuring a voltage-drop of a power supply voltage caused by a resistance component of a power line. The voltage-drop measuring circuit includes a sensing circuit and a voltage-drop detecting circuit. The sensing circuit includes a sensor configured to generate a sensing voltage received by the sensor from a power pad through a power line between the sensor and the power pad. The voltage-drop detecting circuit is arranged in a neighborhood of a power pad, and is configured to generate a reference voltage, compare the sensing voltage with the reference voltage to detect the voltage-drop, and generate a detecting signal in accordance with the voltage-drop. | 03-19-2009 |
| 20090079415 | Current detection crcuit and current detection method - A multi-source MOS transistor includes a sense MOS transistor and a load MOS transistor, and is connected to a load. A current detection portion has a negative input offset voltage characteristic, and detects a first sense current in a state where it is connected to the power supply and the sense MOS transistor and a second sense current in a state where it is connected to the sense MOS transistor and the load MOS transistor. A calculation control portion calculates a load current based on the first sense current and the second sense current such that the effect of the input offset voltage in the current detection portion is cancelled. | 03-26-2009 |
| 20090108832 | HIGH FREQUENCY POWER DETECTOR CIRCUIT AND RADIO COMMUNICATION DEVICE - First and second envelope detector circuits have, respectively, a resistance row, a capacitative element connected to the resistance row in parallel and a transistor connected between a connection point between the resistance row and the capacitative element and a predetermined voltage node. An output of a level shifter is supplied to a gate or a base of the transistor of the first envelope detector circuit. A predetermined voltage is supplied to a gate or a base of the transistor of the second envelope detector circuit. A detector detects an intermediate terminal voltage of the resistance row of the first envelope detector circuit with reference to a total voltage or an intermediate terminal voltage of the resistance row of the second envelope detector circuit. | 04-30-2009 |
| 20090121703 | LOAD CURRENT SENSING TECHNIQUE - Methods and apparatus regulate the output of a switching device to a voltage near that of saturation. In the preferred embodiment, this is accomplished for a small period of time during activation before and/or after device saturation. The switching device drive requirement is then measured to attain the regulated voltage. Measurement of the drive requirement during the small period of time correlates to switching driver current, being reliant on the finite gain of the switching device. | 05-14-2009 |
| 20090140720 | METHOD FOR IDENTIFYING ELECTRONIC CIRCUITS AND IDENTIFICATION DEVICE - An identification device for electronic circuits comprises at least two electronic components having different electronic characteristics, a detection unit configured to detect at least one electrical parameter determining the electronic characteristics of the electronic components and an evaluation unit configured to evaluate a mismatch exhibited by the at least two electronic components with respect to each other. In order to distinguish different electronic circuits, the at least one electrical parameter of the electronic components is detected by the detection unit and is analyzed by the evaluation unit. | 06-04-2009 |
| 20090153131 | Current Detecting Circuit - Indirect detection of current using a current mirror circuit is performed with good accuracy, with a small sized circuit. In a current detection circuit, a current detection current mirror circuit includes an output current transistor which supplies an output current, and a current detection transistor which supplies a detection current proportional to the output current. A compensation current mirror circuit is connected to a current supply side of the current detection current mirror circuit, so as to make a collector voltage of the output current transistor and a collector voltage of the current detection transistor equal. A current detector detects the detection current, to indirectly detect the output current. | 06-18-2009 |
| 20090160428 | OVERCURRENT DETECTION DEVICE - The present invention discloses an overcurrent detection device, which uses a first NOT gate and a second NOT gate to reverse the logic states of a first digital signal and a second digital signal which are digitalized audio signals in a class D power amplifier. Next, a CMOS transistor receives the reversed digital signals and drives a load. A comparing circuit detects the current of the load and compares the current with the reversed first and second digital signals. When the current of the load is too high, the comparing circuit respectively outputs a first electrical signal and a second electrical signal to a first logic gate and a second logic gate. Then, the logic gate outputs a signal to activate a protection circuit to prevent the entire circuit be damaged or burned out. | 06-25-2009 |
| 20090167289 | Monitoring a Protective Device Arranged Upstream of a Switching Device - There is described a method and a system for monitoring a protective apparatus, which is connected upstream of a switching device and is connected to the switching device via at least one main current path. The wiring complexity for monitoring of the protective apparatus is minimized. This is achieved by virtue of the fact that the sate of the protective apparatus is determined by a tap of the at least one main current path at or in the switching device by means of an evaluation unit. As a result of this direct evaluation of the switching state of the protective organ on the switching device, the wiring which until now has been required for an addition auxiliary switch on the protective device is dispensed with a possible fault source also being minimized along with the wiring complexity. For this purpose, the proposed solution is also independent of the physical design (branch-oriented or row-oriented, distance between the devices) in a switchgear cabinet. | 07-02-2009 |
| 20090174391 | ZERO CURRENT DETECTOR FOR A DC-DC CONVERTER - A zero current detector for a DC-DC converter includes a first transistor having a drain, a gate, and a source for sensing the voltage of a first terminal of a power transistor; a second transistor having a drain, a gate, and a source for sensing the voltage of a second terminal of a power transistor; and a third transistor having a coupled gate and drain for receiving a reference current that is coupled to the gates of the first and second transistors and a source coupled to the source of the first transistor, wherein an output signal is provided by the drains of the first and second transistors. A load is coupled to the drains of the first and second transistors. The zero current detector also includes a fourth transistor having a current path coupled between the source of the second transistor and the second terminal of the power transistor and a gate for receiving a control signal. | 07-09-2009 |
| 20090174392 | CIRCUIT ARRANGEMENT AND CORRESPONDING METHOD FOR VOLTAGE REFERENCE AND/OR FOR CURRENT REFERENCE - In order to further develop a circuit arrangement ( | 07-09-2009 |
| 20090179629 | On-chip current sensing methods and systems - A switch regulator module includes a switch and a current sensing module. The switch has an input port and an output port. The current sensing module senses a first voltage at the input port of the switch and a second voltage at the output port of the switch. The current sensing module generates a sense signal that is proportional to a current that flows through the switch based on the first and second voltages. | 07-16-2009 |
| 20090189592 | Identification Of Integrated Circuit - An apparatus in an example comprises an integrated circuit and one or more resistors. The integrated circuit comprises an internal current source and an external interface pin. The one or more resistors arc external to the integrated circuit and coupled with the external interface pin of the integrated circuit. Application of current from the internal current source of the integrated circuit to the one or more resistors through the external interface pin serves to generate a voltage that is employed to identify the integrated circuit. | 07-30-2009 |
| 20090189593 | MEASURING DEVICE AND MEASURING METHOD FOR MEASURING THE POWER OF A HIGH-FREQUENCY SIGNAL - A measuring device for measuring the power of a high-frequency signal including a detector for detecting the high-frequency signal and for generating an analog detector signal, an analog/digital converter for generating a digital signal and an evaluation device for evaluating the digital signal. A dither supply device for the supply of a dither signal and a chopper, which periodically chops the analog detector signal with a chopper signal, are disposed between the detector and the analog/digital converter. In this context, the dither signal is supplied synchronously to the chopper signal. | 07-30-2009 |
| 20090201008 | METHODS FOR MEASUREMENT AND CHARACTERIZATION OF INTERFEROMETRIC MODULATORS - Various methods are described to characterize interferometric modulators or similar devices. Measured voltages across interferometric modulators may be used to characterize transition voltages of the interferometric modulators. Measured currents may be analyzed by integration of measured current to provide an indication of a dynamic response of the interferometric modulator. Frequency analysis may be used to provide an indication of a hysteresis window of the interferometric modulator or mechanical properties of the interferometric modulator. Capacitance may be determined through signal correlation, and spread-spectrum analysis may be used to minimize the effect of noise or interference on measurements of various interferometric modulator parameters. | 08-13-2009 |
| 20090206821 | Process variation on-chip sensor - Improved process variation sensors and techniques are disclosed, wherein both global and local variations associated with transistors on an integrated circuit can be monitored. For example, respective circuits for sensing a global process variation, a local process variation between neighboring negative-channel type transistors, and a local process variation between neighboring positive-channel type transistors are disclosed. Further, in one example, a method for sensing a process variation associated with transistors on an integrated circuit includes providing at least one process variation sensor on the integrated circuit, the process variation sensor comprising a sensing portion including one or more transistors and a loading and amplification portion including one or more transistors, and operating the one or more transistors of the sensing portion and the one or more transistors of the loading and amplification portion in a subthreshold region of transistor operation such that when a threshold voltage of at least one of the transistors changes, a process variation is sensed. | 08-20-2009 |
| 20090212759 | TRANSFORMER-ISOLATED ANALOG-TO-DIGITAL CONVERTER (ADC) FEEDBACK APPARATUS AND METHOD - A transformer-isolated analog-to-digital converter (ADC) feedback apparatus and method provides reduction of circuit complexity in high power/high voltage systems having a transformer-isolated sensing circuit. The feedback apparatus is a circuit including an ADC for receiving an analog input signal and a transformer having a first winding that receives a modulated output of the analog-to-digital converter. A second winding of the transformer provides an isolated data output of the ADC. A demodulator is coupled to the second winding of the transformer and demodulates the isolated output to generate a digital representation of the analog input signal. The ADC may be a delta-sigma converter and the demodulator may be the corresponding decimation filter. The circuit further includes an isolation circuit for introducing a clock signal and/or power supply waveform at the second winding of the transformer, so that the ADC circuit is supplied with an isolated clock and/or an isolated power supply. | 08-27-2009 |
| 20090212760 | Supply current based testing of CMOS output stages - A CMOS driver test configuration, which allows both leakage current and load current testing, using a single monitor, or current meter, located in a power lead of a tester connected to a power pad servicing the driver circuits. Both leakage testing and load current testing for CMOS drivers is described. The test configuration allows a plurality of driver circuits connected in parallel between power pads to be tested simultaneously. An ESD device, internal to the chip, is used as a load during load current testing in chip testing, and an external load is used during package testing in order to include the bonding means between the chip output pad of the driver and the package I/O pin in the current path during load current testing. | 08-27-2009 |
| 20090212761 | DC-DC CONVERTER AND VOLTAGE DETECTOR USING SAME - A DC-DC converter includes: a transformer including primary and secondary windings; a switching element that drives the primary winding; a comparator that compares a voltage induced in the secondary winding with a predetermined voltage to detect that the voltage is outside a predetermined voltage range; and a controller. The controller stops switching operation of the switching element when the voltage is outside the predetermined voltage range. Preferably, the DC-DC converter is of a flyback system. | 08-27-2009 |
| 20090237068 | Wideband CMOS RMS power detection scheme - A system includes a first circuit and a second circuit. The first circuit includes a first MOS transistor having a gate and a drain. The first circuit is configured to receive a radio frequency (RF) signal at the gate of the first MOS transistor. The drain of the first MOS transistor is configured to output a first current that is proportional to the square of the input voltage of the RF signal while receiving the RF signal. The second circuit includes a second MOS transistor having a source configured to receive a first current from the first circuit. The second MOS transistor is biased in a triode region and has a channel resistance between the source and a drain. The second circuit is configured to output a voltage proportional to the value of the power of the RF signal received by the first circuit. | 09-24-2009 |
| 20090243587 | Method and apparatus for measuring AC voltages - A method and apparatus for providing AC voltage measurements. The apparatus comprises an AC voltage monitor for determining at least a first and a second voltage representing an AC voltage of an AC circuit, generating a serial data stream frame comprising data representing the at least a first and a second voltage, and transmitting the serial data stream frame. | 10-01-2009 |
| 20090243588 | SEMICONDUCTOR DEVICE - A device includes a measurement target circuit including a first circuit, a switch provided to a measurement node of the first circuit and a second circuit connected to the measurement node of the first circuit through the switch; and a current measuring circuit including a reference current source group connected to the measurement node through the switch and making a reference current of a predetermined value flow into the first circuit, a sample hold circuit connected to the measurement node, and sampling and holding the potential of the measurement node when the first circuit is connected to the second circuit by the switch, and a comparator connected to the measurement node and an output of the sample hold circuit and comparing an output of the sample hold circuit with the potential of the measurement node when the first circuit is connected to the reference current source group by the switch. | 10-01-2009 |
| 20090251127 | Power Management Connection Devices And Related Methods - Embodiments of power management connection devices and related methods are described herein. Other embodiments and related methods are also disclosed herein | 10-08-2009 |
| 20090251128 | Method and System for Measuring the Zeta Potential Of the Cylinder's Outer Surface and the Inside Surface of the Tube - The present invention discloses methods and systems for measuring the zeta potential of the cylinder's outer surface and the inside surface of the tube. In the measuring cell for measuring the zeta potential of the cylinder's outer surface, the cylinder is placed coaxially inside the reference tube, and the channel existing between the cylinder and the reference tube forms a annular flow channel. Additionally, in the measuring cell for measuring the inside surface of the tube, a reference cylinder is held coaxially inside the tube and a given solution is forced to flow through the annular space between the tube and the reference cylinder. | 10-08-2009 |
| 20090261805 | System and method for monitoring power in a utility meter - A power meter for measuring power consumption and detecting the presence of an unsafe line condition is disclosed. The power meter has a service disconnect switch, which is interposed between load contacts and source contacts, the disconnect switch interrupts the flow of power from the source contacts to the load contacts when the disconnect switch is in an open position. The power meter also has a processor coupled to a two input signal processing circuit. The two input signal processing circuit receives a first and second voltage signal from the load contacts. The two input signal processing circuit converts the first and second voltage signal into a first and second voltage value. The processor computes the power consumption using the first and second voltage values in combination with current values. The processor uses the first or second voltage value a to determine the presence of an unsafe line condition when either the first or second voltage value exceeds a first voltage threshold or the first or second voltage value is below a second voltage threshold when the service disconnect switch is in the open position. | 10-22-2009 |
| 20090261806 | Detection of the state of the elements of an electric branch comprising a load and a switch - A method for detecting the state of at least one element of a circuit comprising one or several loads, powered by an A.C. voltage and in series with at least one first switch. The state of the element is obtained by analyzing, at several times in a period of the A.C. voltage, the amplitude of a current sampled from the junction point of the load and of the first switch. | 10-22-2009 |
| 20090273336 | Upgradable Test Set - An upgradeable test set is that includes a stimulator circuit to transmit test signals to an electrical equipment under test, a coupling to removeably couple at least the stimulator circuit to one of a plurality of front-end interfaces. The plurality of front-end interfaces include a first front-end interface having a first display and a first input device and a second front-end interface having a second display and a second input device. The first display and the second display have different display characteristics, and the first input device and the second input device have different characteristics. The one of the front-end interfaces communicates a test control parameter to the stimulator circuit and a response of the electrical equipment under test is communicated to the one of the front-end interfaces. The case is configured to enclose the stimulator circuit, the one of the front-end interfaces, and the coupling. | 11-05-2009 |
| 20090284246 | LOW DROPOUT REGULATOR TESTING SYSTEM AND DEVICE - A device for testing low dropout (LDO) regulator is disclosed. In one embodiment, a device for testing LDO regulators includes an absolute value measurement module for measuring absolute output voltages of the LDO regulators including a resistor scaling array for generating candidate voltages based on a first output voltage of the LDO regulators, a multiplexer for forwarding one of the candidate voltages selected by a binary search algorithm, and a comparator for generating a first test output by comparing the candidate voltage with an external reference voltage, and a DC load regulation measurement module for measuring corresponding DC regulation voltages of the LDO regulators including a switch for applying an internal test load to a second output voltage of the LDO regulators, and the comparator for generating a second test output by comparing a reference voltage with the second output voltage modified by the internal test load. | 11-19-2009 |
| 20090295366 | E-field sensor arrays for interactive gaming, computer interfaces, machine vision, medical imaging, and geological exploration - A 3D Motional Command System (MCS) is disclosed for interactive gaming, computer interfaces, communications, imaging, and geological exploration. The system can perform standoff gesture recognition and also function as touch-screens. E-field sensors and array topologies are disclosed comprised of FET discrete transistors. The designs facilitate the fabrication of high density sensor arrays similar to LCD displays. The system can be used in portable and wearable electronic devices. Uses are for PC computers, portable devices, and gaming systems such as the Wii. Other applications include wireless connection of sensor and audio data from a simple headphone jack output. | 12-03-2009 |
| 20090302827 | Sensing circuit and method for a flyback converter - A flyback converter includes a transformer to convert an input voltage into an output voltage, a control circuit senses a primary current of the transformer to generate a current sense signal, and a sensing circuit is configured to sense a variation of the current sense signal between two time points for extracting the input voltage information therefrom. | 12-10-2009 |
| 20090309573 | DETERMINING OUTPUT VOLTAGE OR CURRENT IN AN SMPS - An apparatus and method for determining an output voltage or output current in an SMPS circuit 10 are described. The SMPS circuit comprises a switching element | 12-17-2009 |
| 20100007327 | MEASUREMENT APPARATUS, TEST APPARATUS AND MEASUREMENT METHOD - Provided is a measurement apparatus that measures a current flowing through a load, including a power supply section that outputs a current supplied to the load; a current measuring section that measures a load current flowing between the load and the power supply section; a switch that is connected in parallel with the current measuring section between the load and the power supply section; and a control section that disconnects the switch during measurement of the load current and connects the switch when the load current falls outside of a predetermined reference range. | 01-14-2010 |
| 20100007328 | POWER SWITCH WITH AN OVERCURRENT PROTECTION DEVICE - A power circuit comprises a power transistor for feeding a load current to a load, a measuring transistor for coupling out a measurement current dependent on the load current, at least two coupling transistors for dividing the measurement current into an internal measurement current and into an external measurement current, wherein the external measurement current can be fed to an external evaluation circuit, and the internal measurement current is fed to an internal evaluation circuit for evaluation. A third coupling transistor can be coupled to the measuring transistor if a measuring device determines a non-coupled state, and the third coupling transistor can be decoupled from the measuring transistor if the measuring device determines a coupled state. The measuring device determines the coupled state if the external evaluation device is coupled to the power circuit, and the measuring device determines a non-coupled state if the external evaluation device is not coupled to the power circuit. | 01-14-2010 |
| 20100033161 | VOLTAGE DETECTING CIRCUIT AND VOLTAGE DETECTING METHOD - Voltage detecting circuit for detecting a voltage state of a voltage source includes a first route, a second route and a comparator. First route is between a voltage source and a ground voltage, having a first current source and a first MOS resistor, connected in series at a first node with outputting a first voltage. Second route is between the voltage source and the ground voltage, having a second current source and a second MOS resistor, connected in series at a second node with outputting a second voltage. The comparator receives the first voltage and the second voltage and outputs the voltage state. The comparator includes a current offset circuit for producing an offset voltage to the second voltage. A voltage comparing unit compares the first voltage and the second voltage with offset by a voltage difference, and outputs the voltage state according to variance of the voltage difference. | 02-11-2010 |
| 20100033162 | LOW-POWER DIRECT CURRENT DETECTOR - Provided is a low-power direct current detector. The low-power direct current detector includes a main current source circuit generating an ultra-low current, a limitation circuit limiting the current generated by the main current source circuit to lower than a preset current, and a voltage detection circuit biased by the ultra-low current generated by the main current source circuit to detect an input DC voltage. | 02-11-2010 |
| 20100033163 | Device for sensing a fault current in a field bus system - The invention relates to an electric switching circuit for operating a bus of a field bus system comprising means for sensing a fault current. Said means comprise first means for determining a first current of a first bus line, second means for determining a second current of a second bus line and means for detecting a fault based on the first current and the second current. | 02-11-2010 |
| 20100039095 | Method of measuring flash memory cell current - In the present method of measuring the current of a first current source, the current thereof may be combined with either the current of a second current source, or the current of a third current source. Based on a combination of the current of the first current source and either (a) the current of the second current source or (b) the current of the third current source, a digital output is provided. If this digital output is of a first value, the state of combining the current of the first current source with the current of the second current source becomes in effect. If this digital output is of a second value, the state of combining the current of the first current source with the current of the second current source becomes in effect. | 02-18-2010 |
| 20100039096 | Transmissivity monitoring of an energy transmission element - A method for monitoring transmissivity of an energy transmission element for a protective earth conductor and an electrical machine with such transmissivity monitoring are provided. For a cost-effective solution for transmissivity monitoring, the protective earth conductor of a first circuit is connected on a first side of the energy transmission element via a connecting line to a ground of a second circuit wherein a potential-free voltage supply is connected between the protective earth conductor and ground on a second side of the energy transmission element. A current flows through the energy transmission element and the connecting line that is produced by the potential-free voltage supply. The transmissivity of the energy transmission element is monitored using the current flow by a monitoring element which is arranged between the protective earth conductor and ground on the second side of the energy transmission element. | 02-18-2010 |
| 20100039097 | METHODS AND APPARATUS FOR VOLTAGE SENSING AND REPORTING - Semiconductor devices comprising at least one voltage sensor for sensing an operating voltage associated with an operational circuit of the semiconductor device. The at least one voltage sensor is configured to generate a signal indicative of a state of the operating voltage. Methods of monitoring a voltage in a semiconductor device include determining a magnitude of an operating voltage for an operational circuit in a semiconductor device. A signal may be generated indicating a state of the operating voltage. | 02-18-2010 |
| 20100045259 | METHOD FOR MEASURING A CURRENT, IN PARTICULAR BY MEANS OF A GROUNDING APPARATUS - The subject matter of the invention is a method of measuring a grounding current of a photovoltaic power system incorporating a photovoltaic inverter, a measurement current being led through two shunts (Rs | 02-25-2010 |
| 20100052649 | DEVICE FOR READING ELECTRONIC CHARGES AND DETECTOR COMPRISING SUCH DEVICES - The invention relates to a device for reading electronic charges, comprising an input for receiving the electronic charges, at least one capacitor for storing the electronic charges and at least one circuit based on MOS transistors, whereof the maximum operating voltage determines the maximum voltage at the terminals of the at least one capacitor ( | 03-04-2010 |
| 20100052650 | VOLTAGE DETECTOR FOR STORAGE ELEMENT - A voltage detector for a storage element that includes a positive electrode and a negative electrode, both being biased to a positive voltage, is disclosed. The voltage detector includes a first PNP transistor of which emitter terminal is connected to the negative terminal and its base terminal is connected to its collector terminal, a voltage-current converter of which first end is connected to the positive electrode, a second PNP transistor of which emitter terminal is connected to a second end of the converter and its base terminal is connected to the base terminal of the first PNP transistor, a current source connected to the collector terminal of the first PNP transistor for drawing a current from the collector terminal, a current sensing circuit connected to the collector terminal of the second PNP transistor for sensing a collector current, and a voltage output circuit for outputting a voltage across the positive electrode and the negative electrode based on an output from the current sensing circuit. The foregoing structure allows the voltage detector to detect a voltage across the storage element accurately at a high speed. | 03-04-2010 |
| 20100060256 | VOLTAGE DETECTION APPARATUS - A voltage detection apparatus includes: a battery including a plurality of unit cells mutually connected in series; a plurality of blocks, each block including at least one of the plurality of unit cells; a plurality of voltage detectors, each detector connected to respective one of the blocks, and detecting a voltage between both ends of the unit cell in the one of the blocks; a plurality of reference power sources, each source connected to respective one of the voltage detectors, and at least one of the reference power sources having higher accuracy than the other reference power sources; and a correcting unit which corrects a detection result of the voltage detector which is connected to the other reference power source on the basis of a detection result of the voltage detector which is connected to the reference power source with the higher accuracy. | 03-11-2010 |
| 20100060257 | CURRENT SENSOR FOR POWER CONVERSION - A technique for determining an output current of a power converter circuit samples a voltage of a switch node voltage signal at a midpoint of a low phase of the switch node voltage signal and generates a sensed current signal at least partially based on the sampled switch node voltage and a calibration voltage. In at least one embodiment of the invention, an apparatus includes a current sensing circuit configured to generate a sensed current signal indicative of an average output current of a power converter circuit. The sensed current signal is at least partially based on a sample of a voltage signal on a first node of the power converter circuit. The first node is used to supply a current to an inductor of the power converter circuit. | 03-11-2010 |
| 20100085034 | Current Measurement Circuit, Current Detection Circuit And Saturation Prevention And Recovery Circuit For Operational Amplifier - A current measurement circuit includes: a constant-voltage loop circuit including an operational amplifier, and a first resistor for current detection connected to an output of the operational amplifier, the output of the operational amplifier being fed back to an inverting input terminal of the operational amplifier via the first resistor; a differential amplifier for current detection with an input of a voltage between both ends of the first resistor; and a saturation prevention and recovery circuit connected to the both ends of the first resistor for preventing saturation of the operational amplifier and/or accelerating recovery from the saturation thereof. | 04-08-2010 |
| 20100090678 | Method for Producing an Electricity Sensing Device - A method for producing an electricity sensing device with a one-piece, U-shaped bent current conductor of a certain length having a middle portion and two end portions and comprising in the middle portion the form of a rod having a non-rectangular conductor cross-section and featuring flats having a rectangular conductor cross-section in its end portions, and arranged in the middle portion a magnetic module comprising a lead-through for mounting the current conductor, the method comprising the steps: providing the magnetic module as well as a current conductor configured straight and rod-shaped in the middle portion and in at least one of the end portions; tin-coating the current conductor at least partly in at least one end portion; positioning the current conductor and the magnetic module relative to each other such that the current conductor is located in the lead-through of the module by its middle portion, and shaping the current conductor into a U with flattened ends. | 04-15-2010 |
| 20100097048 | PASSIVE DETECTION OF ANALYTES - A passive element is provided to facilitate passive detection of analytes, such as analytes, using an electromagnetic probe beam. The probe beam may be provided by a radar and/or lidar system. In one example, a passive element comprises a reference dipole and a detection dipole, the detection dipole having an associated analyte-sensitive element, such as a chemoresistive or bioresistive element. When the analyte-sensitive element is in a modified conducting state due to the presence of an analyte, the detection cross section is modified whereas a reference cross section is substantially unchanged by the presence of the analyte. A passive element may comprise a frequency selective surface, for example including a frequency-selective surface (FSS) embedded in a dielectric layer and using an analyte-sensitive impedance layer to modify the electromagnetic absorption properties, allowing analyte detection. | 04-22-2010 |
| 20100117623 | SYSTEM AND METHOD OF DETERMINING MAXIMUM POWER POINT TRACKING FOR A SOLAR POWER INVERTER - A system and method for operating a photovoltaic element at or near a maximum power point. A maximum power point tracker changes a voltage or current set point of a photovoltaic element in sequential discrete steps, measuring an output power at each step after a predetermined settling time. A slope of a power-voltage curve is then estimated and the slope is corrected for irradiance changes. Finally, an operating voltage or current of the photovoltaic element is adjusted based on the slope of the power-voltage curve and other factors, causing the photovoltaic element to operate at or near its maximum power. | 05-13-2010 |
| 20100123453 | ADVANCE MANUFACTURING MONITORING AND DIAGNOSTIC TOOL - The current invention relates to a monitoring and analysis device and a method for monitoring and analysis that utilizes the unintended electromagnetic emissions of electrically powered systems. The present invention monitors electrical devices by taking detailed measurements of the electromagnetic fields emitted by any component or system utilizing electricity. The measurements will be analyzed to both record a baseline score for future measurements and to be used in detailed analysis to determine the status of the analyzed system or component. | 05-20-2010 |
| 20100127691 | Two Pole Circuit Breaker Voltage Monitoring Integration - An apparatus for monitoring line voltage in a circuit breaker includes a controller, a neutral input for receiving a neutral voltage, a first input for receiving a first alternating current (AC) line voltage that periodically changes polarity with respect to the neutral voltage, and a second input for receiving a second AC line voltage that periodically changes polarity with respect to the neutral voltage and is 180 degrees out of phase from the first AC line voltage. The apparatus also includes a first circuit coupled to the first input, the second input, and the controller. The first circuit is configured to output to the controller a first signal representing the voltage difference between the first AC line voltage and the second AC line voltage. The apparatus also includes a second circuit coupled to the neutral input and the controller configured to output to the controller a second signal representing the difference between the neutral input voltage and the AC line voltage of negative polarity. The apparatus also includes a third circuit coupled to the controller configured to output a polarity signal representing an identification of the polarity of one of the AC line voltages with respect to the neutral input. The controller can be configured to calculate a voltage difference value representing the difference between the neutral voltage and the AC line voltage of positive polarity based on the first signal and the second signal and assign, using the polarity signal, the voltage difference value to the AC line voltage of positive polarity and the second signal to the AC line voltage of negative polarity. Because the AC line voltage of positive polarity can be calculated based on the first signal and the second signal, the number of signals requiring A/D conversion is reduced, and the number of circuit components needed to measure the AC line voltages is reduced. | 05-27-2010 |
| 20100134091 | ABNORMAL SWITCHING MONITORING DEVICE AND ABNORMAL SWITCHING MONITORING METHOD - The present invention relates to an abnormal switching monitoring device and method. A time point when a high-side switch in which a first electrode receives an input voltage is turned on, a time point when a low-side switch that is connected to a second electrode of the high-side switch is turned on, a time point when a charge current begins to flow to a bootstrap circuit, and a time point when a charge current stops flowing to the bootstrap circuit are compared so as to determine whether or not non-zero voltage switching occurs. The bootstrap circuit supplies an operating current to a gate driver controlling a switching operation of the high-side switch. | 06-03-2010 |
| 20100141237 | Active Sensor, Use Thereof and Method for Compensating Amplitude Fluctuations in the Output Current Signal of an Active Sensor - An active sensor consisting of a measuring module and an interface module comprising at least one first current source, an input line and an output line, wherein the active sensor is supplied with energy via these two lines and the first current source is connected on the output side to the output line and the interface module generates the output signals of the active sensor in the form of current signals, wherein the interface module comprises a current sensing device which senses the load current of the measuring module, and a compensating device which can generate, on an output path connected to the output line, a first compensating current for compensating for amplitude fluctuations in the output current signals in dependence on the sensed load current of the measuring module. Also described is a method for compensating for amplitude fluctuations in the output current signals of an active sensor. | 06-10-2010 |
| 20100176788 | CURRENT DETECTING APPARATUS - A current detecting apparatus for detecting a current provided by a driver for a motor includes a resistor, a signal isolation module, and a processor. A first end of the resistor is connected to the driver, and a second end of the resistor is connected to the motor. A current provided by the driver passes through the resistor to drive the motor. The signal isolation module is connected between the first end and the second end of the resistor, to receive a voltage signal produced by the current passing through the resistor and isolate the voltage signal to output an isolated signal. The processor is connected to the signal isolation module, to receive the isolated signal and process the isolated signal to detect the current provided by the driver for the motor. | 07-15-2010 |
| 20100181989 | METHOD FOR INDUCTIVE GENERATING OF AN ELECTRICAL MEASUREMENT SIGNAL AND RELATED SENSOR DEVICE - In a method and a sensor device for inductively producing an electrical measuring signal in dependence on a magnitude that is to be measured, there are provided at least two driver coils through which a current is caused to flow in turn at the clock pulse rate of a clock pulse circuit, this current induces a voltage which is dependent on the magnitude that is to be measured in a plurality of coils, the voltage being sub-divided at the clock pulse rate of the clock pulse circuit into voltage signals which are associated with the driver coils, where the voltage signals obtained thereby are evaluated for the purposes of obtaining the measuring signal, where at least two sensor coils are associated with the at least two driver coils, wherein either the sensor coils or the driver coils are connected up in the same sense, whereas the respective other coils are connected up in a mutually opposite sense, and the voltage signals of the sensor coil associated with the driver coils are sampled in certain time periods of the clock pulse signal for the purposes of obtaining the measuring signal. | 07-22-2010 |
| 20100207601 | Method and Apparatus for Monitoring Leakage of a Faraday Cup - A current branch circuit is electrically coupled with a Faraday cup and an operation amplifier separately. The Faraday cup, the current branch circuit and the operation amplifier are formed as a portion of an ion implanter. When the Faraday cup is electrically coupled with a ground through a conductive structure formed by an ion beam received by the Faraday cup, a current flows from the output of the operation amplifier to the current branch circuit to balance another current flow from the current branch circuit through the Faraday cup to the ground. By dynamically monitoring the voltage of the output of the operation amplifier, current flows through the Faraday cup to the ground and through the resistance of the conductive structure can be dynamically monitored. Accordingly, the difference between the ion current measured by the Faraday cup and the real ion current implanted to the wafer can be dynamically acquired to avoid overdosage of the wafer with the ion beam. | 08-19-2010 |
| 20100219807 | METHODS AND SYSTEMS FOR TRANSMITTING AND RECEIVING DATA FROM POINTS ALONG VOLTAGE TRANSMISSION LINES - A method of receiving signals transmitted through a voltage carrying power line using an antenna module including the steps of: positioning a housing of the antenna module proximate to the voltage carrying power line such that an antenna being supported in the housing is oriented at an angle with respect to the voltage carrying power line, and receiving a signal via the antenna from the voltage carrying power line. | 09-02-2010 |
| 20100225300 | Systems and Methods of Overvoltage and Undervoltage Detection - Systems and methods for overvoltage and undervoltage detection are provided. The disclosed systems and methods of overvoltage and undervoltage detection may be implemented with a fully differential circuit that includes a coarse comparator and a band gap based fine comparator. The coarse comparator may determine if the battery is closer to an OV condition or an UV condition. Based on the output of the coarse comparator, the trip point of the fine comparator is adjusted. The outputs of both comparators are pull-up circuits whose output is decoded to determine if an OV or a UV condition has occurred. The disclosed systems and methods of overvoltage and undervoltage detection accomplish valid circuit outputs even when the voltage across the battery reduces to zero volts. This may be achieved by using an active low signal for the UV condition and an active high signal for the OV condition. Thus, when the battery voltage goes to zero, the circuit evaluates to the correct output. | 09-09-2010 |
| 20100264901 | DIRECTIONAL COUPLER - One embodiment comprises a directional coupler system comprising a substrate having a top surface and a backside surface, with the backside surface comprising a metalization ground portion and an unmetalized portion. A power line is coupled to the top surface, with the power line having an input adapted to receive a power signal, a first trace coupled to the input, a second trace in parallel with the first trace and coupled to the input, and an output coupled to the first and second traces and adapted to emit the power signal. A sensor line is coupled to the backside surface unmetalized portion, with the sensor line adapted to emit a sensor line signal having a sensor line signal level generally proportional to the power signal. Finally, a thermo-conductive base platform coupled to the metalized portion of the backside surface. | 10-21-2010 |
| 20100308790 | APPARATUS AND METHOD FOR TESTING DRIVER WRITEABILITY STRENGTH ON AN INTEGRATED CIRCUIT - An apparatus and method for testing driver write-ability strength on an integrated circuit includes one or more drive detection units each including a number of drivers. At least some of the drivers may have a different drive strength and each may drive a voltage onto a respective driver output line. Each drive detection unit may include a number of keeper circuits, each coupled to a separate output line and configured to retain a given voltage on the output line to which it is coupled. Each detection unit may also include a number of detection circuits coupled to detect the drive voltage on each of the output lines. In one implementation, the drive voltage appearing at the output line of each driver may be indicative of that the driver was able to overdrive the voltage being retained on the output line to which it is coupled by the respective keeper circuits. | 12-09-2010 |
| 20100320997 | METHOD AND CIRCUIT FOR MEASURING QUIESCENT CURRENT - A measurement circuit and method for measuring a quiescent current of a circuit under test are provided. The measurement circuit comprises: a comparator having a first input terminal for receiving a reference voltage, a second input terminal coupled to the circuit under test, and an output terminal; a current source having a first terminal coupled to a first power supply voltage terminal, and a second terminal for providing a current to the circuit under test; a first switch having a first terminal coupled to the second terminal of the current source, a second terminal coupled to the circuit under test, and a control terminal coupled to the output terminal of the comparator; and a first counter having a first input terminal coupled to the output terminal of the comparator, a second input terminal for receiving a clock signal, and an output terminal for providing a first counter value associated with the quiescent current. | 12-23-2010 |
| 20100320998 | SYSTEM FOR TESTING POWER SUPPLY PERFORMANCE - A system for testing power supply performance includes a DC power supply, a test apparatus for testing the DC power supply, and a control circuit electrically coupled to the DC power supply and the test apparatus. The control circuit includes an A/D conversion circuit, and a voltage level conversion circuit. The A/D conversion circuit receives DC voltage signals from the power supply, and converts the received DC voltage signals to digital signals. The voltage level conversion circuit receives the digital signals, and converts the received digital signals to voltage level signals which can be identified by the test apparatus. The test apparatus receives the voltage level signals, and generates signal waveforms of the voltage signals according to the received voltage level signals. | 12-23-2010 |
| 20100320999 | TESTING APPARATUS - A testing apparatus is provided to test whether a distance between a first and a second portions of an object is eligible. The testing apparatus includes a worktable, a positioning mechanism to support the object, a pressing mechanism to secure the object, and an actuating mechanism. The actuating mechanism outputs signals to reflect the relative position of the correspond to-be-tested portion and the actuating mechanism, therefore a controlling device indicates whether the distance between the to-be-tested portion and the base plane is eligible or not according the outputting signals of the corresponding actuating mechanism. | 12-23-2010 |
| 20100321000 | AC DETECTION CIRCUIT FOR POWER SUPPLY - There is provided an alternating current (AC) detection circuit for a power supply, the circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; a comparing part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage and generating an input detection signal when the stabilized voltage is higher than the internal reference voltage; and an output part outputting an AC detection signal when the input detection signal is inputted from the comparing part. | 12-23-2010 |
| 20110001467 | METHOD OPTIMIZING DRIVING VOLTAGE AND ELECTRONIC SYSTEM - A method of optimizing a driving voltage of an electronic device includes; iteratively varying the level of a driving voltage provided to the electronic device and performing an operation of the electronic device with each iteration until the operation fails, and then selecting as an operating level for the driving voltage, a level of the driving voltage for an iteration just prior to an iteration in which the operation fails. | 01-06-2011 |
| 20110012585 | APPROACH FOR CONTROLLING PARTICULATE MATTER IN AN ENGINE - A method of operating a diesel engine and an emission control system including a diesel particulate filter comprising of The inventors herein have realized that accurate particulate matter information for controlling processes and parameters may be realized by a method for operating an engine comprising of correlating a measured property associated with a carbon nanostructure layer to an amount of particulate matter from an exhaust stream of the engine, wherein the carbon nanostructure includes a plurality of carbon nanostructures, and adjusting engine operation based on the amount of particulate matter. | 01-20-2011 |
| 20110018523 | DEVICE AND METHOD FOR CURRENT ESTIMATION - A device and a method for estimating a current; the method includes: setting an impedance of a power gating circuit to a measurement value; wherein the power gating circuit selectively provides power to a circuit of an integrated circuit; measuring, during a measurement period, an electrical parameter indicative of a current that flows through the power gating circuit; and reducing an impedance of the power gating circuit to a power provision value to reduce a voltage developed on the power gating circuit during a power provision period. | 01-27-2011 |
| 20110050203 | VOLTAGE MEASURING CIRCUIT - A voltage measuring circuit includes an under-voltage measuring circuit and an over-voltage measuring circuit. The under-voltage measuring circuit includes a first voltage comparator, a first zener diode, and a first light emitting diode. An inverting input of the first voltage comparator is connected to a cathode of the first zener diode. An output of the first voltage comparator is connected to a cathode of the first light emitting diode. The over-voltage measuring circuit includes a second voltage comparator, a second zener diode, and a second light emitting diode. A non-inverting input of the second voltage comparator is connected to the cathode of the second zener diode. An output of the second voltage comparator is connected to a cathode of the second light emitting diode. | 03-03-2011 |
| 20110050204 | SECONDARY BATTERY - A secondary battery capable of ensuring operator safety by checking whether a service plug is opened or closed. The secondary battery includes a battery pack having a plurality of battery cells, a service plug coupled between each of the plurality of battery cells through a pair of plug terminals for controlling interconnection of the plurality of battery cells according to whether the pair of plug terminals contact the battery cells, and a battery management system connected to the battery pack and the service plug for determining whether the service plug is opened or closed by measuring at least one selected from the group consisting of a voltage and a current of the battery pack and voltages of the plurality of battery cells connected to the service plug. | 03-03-2011 |
| 20110062942 | Measuring device with a measuring- and operating electronics for monitoring a measurement signal - Measuring device with a measuring- and operating electronics ( | 03-17-2011 |
| 20110074382 | WHOLE STRUCTURE CONTACTLESS POWER CONSUMPTION SENSING - A contactless current and power consumption sensor can be safely mounted on a circuit breaker box of a structure, so as to sense the current flow and/or power consumed in the structure. Because the sensor can be mounted on a surface of the circuit breaker box without the need to access energized conductors inside the box, an unskilled person can readily install the sensor to monitor total instantaneous current flow and thus, determine the power consumed by energized devices in the structure on a continuing basis. The output from the sensor can be supplied to a readout or can be conveyed by a wired or wireless link to a computing device disposed at a remote location, where the data can be stored or viewed on a display. By integrating the power consumed over time, the energy usage by the energized devices in a structure can also be determined. | 03-31-2011 |
| 20110074383 | Assemblies and Methods for Sensing Current Through Semiconductor Device Leads - Assemblies and methods for sensing current through semiconductor device leads are disclosed. One example method includes mounting a current sense assembly about a lead of a semiconductor device. The current sense assembly may include a carrier adapted to hold a current sensor in close proximity to a semiconductor device lead to sense current flowing in the lead. One example assembly for sensing current through a semiconductor device lead includes a carrier for mounting to the semiconductor device lead and a current sensor supported by the carrier. The carrier includes output terminals. The current sensor has leads electrically coupled to the output terminals. The current sensor is positioned to extend around at least a portion of the lead and provide a signal to the output terminals representing current flowing in the lead when the carrier is mounted to the lead. | 03-31-2011 |
| 20110074384 | METHOD AND APPARATUS TO MEASURE CURRENT IN POWER SWITCHERS - A method and apparatus to measure current in power switching supplies is disclosed for simplification of in-circuit measurement. The method and apparatus to measure current includes a sensing capacitor which in series with a resistor is placed across the output inductor of the power supply in order to utilize the parasitic resistance of the inductor, in conjunction with a measurement controller which performs initial calibration and temperature compensation. Initial and secondary measurements are performed using an adjustable current sink in order to eliminate thermal effects. The method and apparatus to measure current in power switching supplies is particularly useful for overcoming invasive measurement techniques of for measuring current known in the art. | 03-31-2011 |
| 20110074385 | SEMICONDUCTOR INTEGRATED CIRCUIT - There is provided a semiconductor integrated circuit in which a ring oscillator is formed by a variable delay circuit to cause the ring oscillator to oscillate (S | 03-31-2011 |
| 20110074386 | VOLTAGE INDICATOR SIGNAL GENERATION SYSTEM AND METHOD - The present invention provides for a system comprising a peripheral component interface (PCI) host bridge. The PCI host bridge is configured to be coupled to a PCI bus, and to receive a system reset signal, to generate a PCI bus reset signal based on the received system reset signal, to detect a PCI operational mode of the PCI bus, and to generate a voltage indicator signal based on the detected PCI operational mode. A voltage regulator is coupled to the PCI host bridge and configured to receive the voltage indicator signal and to regulate a signaling voltage for the PCI bus based on the voltage indicator signal. | 03-31-2011 |
| 20110084685 | Power Saving for Hot Plug Detect - Power saving for hot plug detect (HPD) is disclosed. In a particular embodiment, a method includes detecting, at a source device that is connectable to a sink device, a connection of the source device to the sink device via a connector. The source device includes a DC voltage source and the connection is detected without consuming power from the DC voltage source. | 04-14-2011 |
| 20110095746 | CLOSING OF AN HF CUT-OFF MEMBER - An electronic meter for electric power having a controlled reclosing of the cut-off member by a circuit breaker of a subscriber. The meter comprises, on at least one phase, a circuit generating HF to the wiring of a subscriber via the cut-off member in open position and the circuit breaker, and a circuit for controlling the closing of the cut-off member upon a detection of the HF current cancellation when opening the circuit breaker of a subscriber. The invention can be used for electronic meters not accessible to the subscriber. | 04-28-2011 |
| 20110101956 | Electricity Usage Monitor System - A system for monitoring electricity usage comprising a plurality of sender units having sender identification tags wherein the plurality of sender units are capable of being connected to AC power distribution wiring that carries AC waveforms, and wherein the plurality of sender units are capable of being in electrical communication with an appliance having a current draw; and a central detector capable of being connected to the AC power distribution wiring wherein the plurality of sender units are capable of being in electrical communication with the central detector through the AC power distribution wiring, and wherein the plurality of sender units are capable of transmitting a transient pulse on the AC power distribution wiring wherein the transient pulse is embedded at a location on the AC waveform wherein the location is relative to the sender identification tag and wherein the location is further relative to the current draw of the appliance. | 05-05-2011 |
| 20110109299 | Stable Fast Programming Scheme for Displays - A technique for improving the spatial and/or temporal uniformity of a light-emitting display by providing a faster calibration of reference current sources and reducing the noise effect by improving the dynamic range, despite instability and non-uniformity of the transistor devices. A calibration circuit for a display panel having an active area having a plurality of light emitting devices arranged on a substrate, and a peripheral area of the display panel separate from the active area is provided. The calibration circuit includes a first row of calibration current source or sink circuits and a second row of calibration current source or sink circuits. A first calibration control line is configured to cause the first row of calibration current source or sink circuits to calibrate the display panel with a bias current while the second row of calibration current source or sink circuits is being calibrated by a reference current. A second calibration control line is configured to cause the second row of calibration current source or sink circuits to calibrate the display panel with the bias current while the first row of calibration current source or sink circuits is being calibrated by the reference current. | 05-12-2011 |
| 20110115465 | High Voltage Test Terminal Having a Shock-Absorbing Insulator - A high voltage test terminal for an electrical power distribution/transmission system includes a shock-absorbing insulator disposed between first and second conductors. A blade is movably connected to the second conductor. The blade is electrically and mechanically connected to the first conductor in a first position and electrically isolated and mechanically disconnected from the first conductor in a second position. The blade is in the first position for normal operation of the electrical apparatus. The blade of the test terminal is moved to the second open position to conduct both electrical and mechanical tests of the electrical apparatus. | 05-19-2011 |
| 20110115466 | CURRENT DETECTION PRINTED BOARD, VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTION PRINTED BOARD, CURRENT/VOLTAGE DETECTOR, CURRENT DETECTOR AND VOLTAGE DETECTOR - A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction. | 05-19-2011 |
| 20110121814 | TEST APPARATUS - A first timing comparator TCP | 05-26-2011 |
| 20110133722 | LOAD CURRENT DETECTION IN ELECTRICAL POWER CONVERTERS - An electrical power converter has a transformer ( | 06-09-2011 |
| 20110140685 | METHOD FOR DIAGNOSING A LOAD DROP - A method for diagnosing a load drop in a piezo actuator in an injection device, a voltage being measured and being compared to a threshold voltage ( | 06-16-2011 |
| 20110148393 | SYSTEM AND DEVICE FOR MEASURING VOLTAGE IN A CONDUCTOR - A system and device for measuring voltage in a conductor having a voltage provides a first electrode surrounding and spaced from the conductor, and a second electrode surrounding and spaced from both the conductor and the first electrode such that there is no contact between the conductor and the electrodes or between the first and second electrodes. The first electrode is connected to a first input of a differential amplifier circuit and the second electrode is connected to the other input of the differential amplifier circuit. The output of the differential amplifier circuit provides a voltage signal in proportion to the voltage of the conductor, thus providing a non-contact means for measuring the voltage of a conductor without requiring a connection to ground while simultaneously providing a high level of rejection of external interference. | 06-23-2011 |
| 20110156692 | POWER INJECTOR DETECTION - In one embodiment, a signal detector is coupled to an external power source. The signal detector is configured to ascertain whether a predetermined signal was received from the external power source. Control logic is coupled to the signal detector and to the external power source. The control logic is responsive to the signal detector to determine a characteristic of the external power source based on whether the signal detector detected the predetermined signal. The characteristics of the external power supply can be determined based on the frequency, amplitude and duration of a signal received from the power injector. This enables the control logic to determine the power available from an unknown power supply and to configure a device to operate accordingly. | 06-30-2011 |
| 20110163734 | ARRANGEMENT FOR MEASURING AT LEAST ONE VALUE OF A VOLTAGE APPLIED TO AN ELECTRONIC COMPONENT - An arrangement for measuring values of a voltage applied to an electronic component. The arrangement comprises a first signal transmitter which can emit a first switching signal, a first switch coupled to the first signal transmitter and can be controlled by the first switching signal. The electronic component is connected in series to the first switch and can be coupled, via the same, to an electric energy source. A second signal transmitter, which can emit a second switching signal. A second switch is coupled to the second signal transmitter and can be controlled by the second switching signal. A capacitive accumulator is connected in series to the second switch and can be connected in parallel, via the same, to the electronic component or to the series connection formed by the electronic component and the first switch. An analog/digital converter which is connected in parallel to the capacitive accumulator. | 07-07-2011 |
| 20110181267 | Test analyzer - A portable calibrated resistive load testing analyzer for use with an Electronic Biofeedback Stimulation Device.
| 07-28-2011 |
| 20110181268 | System and Method for Detecting the Presence of an Unsafe Line Condition in a Disconnected Power Meter - A method of detecting the presence of an unsafe line condition at a power metering device is disclosed. The method comprises the steps of determining if a disconnect switch is in the open position, and measuring a first voltage at a first load contact. The method measures a second voltage at a second load contact and determines if the first voltage is greater than a first voltage threshold or less than a second voltage threshold. The method further determines if the second voltage is greater than the first voltage threshold or less than the second voltage threshold. The method indicates that an unsafe condition exists if either the first voltage is greater than the first voltage threshold, or first voltage is less than the second voltage threshold or the second voltage is greater than the first voltage threshold or the second voltage is less than the second voltage threshold, when the disconnect switch is in the open position. | 07-28-2011 |
| 20110187346 | CURRENT DETECTING DEVICE - A current detecting device includes a second fixed part to which the harness is fixed and electrically connected, a bus bar as a resistor inserted between a first fixed part and the second fixed part, a circuit board in which a current detection circuit is mounted, the current detection circuit detecting current flowing through the bus bar based on a potential difference between two points along an energizing direction of the bus bar, and a case accommodating the bus bar and the circuit board. The second fixed part to which the harness is fixed and electrically connected is disposed within a battery upper surface area. | 08-04-2011 |
| 20110193546 | CURRENT SENSOR AND CURRENT SENSING METHOD - A current sensor, comprises an input conductor (IN) which is supplied with the current to be sensed and an output conductor (OUT) from which the current to be sensed is output. A conductor path is provided between the input conductor and the output conductor, wherein the path is provided on a first, movable element ( | 08-11-2011 |
| 20110215793 | METHOD AND DEVICE FOR DIAGNOSING SIGNAL STATUS IN MEASUREMENT, DRIVE, OR CONTROL, AND TRANSFORMER USED IN THE DEVICE - A device and method for diagnosing a signal status relating to measurement, drive, and control by a measuring means, a drive means, and a controlling means. The device and method enables prevention of an increase of manufacturing cost due to an increase of the number of parts or due to complication of the circuit scale and enables precise transmission of the measurement result and soundness diagnosis of a circuit by using a simple constitution. A means for generating an alternating current including a rectangular pulse is connected to the primary side of a transformer, and a driven body to be measured, driven, or controlled is connected directly to the secondary side or indirectly through a rectifier circuit to the secondary side. The power sent through the transformer is consumed by the movement of the driven body. Consequently, the variation of the primary current is measured, and the movement of the driven body and a signal status are diagnosed on the basis of the measurement result. | 09-08-2011 |
| 20110215794 | APPARATUS AND METHOD FOR MONITORING OUTPUT WITHIN A POWER STRIP - The present disclosure describes a PDU configured to reduce the risk of an abrupt interruption in the flow of electricity caused by a malfunctioning load or overloading of a PDU output connection. In some embodiments, a PDU is configured to enable the monitoring and control of electricity provided to one or more loads coupled to the PDU. In some embodiments, a PDU is configured to enable remote monitoring and reporting through the use of communication devices. | 09-08-2011 |
| 20110221421 | Method Of Sensing Magnitude Of Current Through Semiconductor Power Device - A cascode current sensor includes a main MOSFET and a sense MOSFET. The drain terminal of the main MOSFET is connected to a power device whose current is to be monitored, and the source and gate terminals of the main MOSFET are connected to the source and gate terminals, respectively, of the sense MOSFET. The drain voltages of the main and sense MOSFETs are equalized, in one embodiment by using a variable current source and negative feedback. The gate width of the main MOSFET is typically larger than the gate width of the sense MOSFET. Using the size ratio of the gate widths, the current in the main MOSFET is measured by sensing the magnitude of the current in the sense MOSFET. Inserting the relatively large MOSFET in the power circuit minimizes power loss. | 09-15-2011 |
| 20110221422 | Method and measurement device for determining a condition of an electric igniter of a gas turbine burner and an ignition device for a gas turbine burner - A method for determining a condition of an electric igniter of a gas turbine burner and a measurement device for a gas turbine burner are provided. By means of the method and the measurement device it is possible to prevent false starts of gas turbines as a result of a nonfunctional igniter. The method provides for a time-dependent signal characterizing the ignition current of an igniter to be compared to an upper threshold value and a lower threshold value and at the same time to compare the characterizing signal to a mean target current value, by which the ignition current should fluctuate randomly when the igniter is functioning properly. | 09-15-2011 |
| 20110241649 | CURRENT SENSOR - A current sensor, which senses current passing through a harness via a terminal of a battery, includes a resistor through which current passes, a current sensing circuit which measures the current passing through the resistor based on a potential difference between two positions along the direction in which current is passed through the resistor, a power supply circuit which supplies power to the current sensing circuit, and at least one capacitor which is connected to at least one of an input terminal and an output terminal of the power supply circuit to smooth input/output voltage. The resistor includes a flat energizing path, and the capacitor is disposed in an area other than a plane of projection of the energizing path on a board on which the current sensing circuit and the power supply circuit are mounted. | 10-06-2011 |
| 20110241650 | ELECTROCHEMICAL SENSOR FOR DISINFECTANTS - An electrochemical sensor to measure disinfectants is provided. In accordance with one aspect of the invention, the sensor has a silver working electrode disposed in an electrolyte proximate a porous membrane. There is a reference electrode made of silver in contact with the electrolyte. The chemical composition of electrolyte contains one or more anions that make the potential at the reference electrode higher than 0.35 V versus standard hydrogen electrode. The anions form silver salt with solubility higher than the solubility of silver chloride. The voltage at the working electrode versus the reference electrode is maintained negative to keep the background current small enough while maintains the feasibility to reduce disinfectants. Solid phase silver salt of the anions is added within the sensor body, which will prevent poisoning the reference electrode by halide anions diffused into the electrolyte. | 10-06-2011 |
| 20110248698 | BIOSENSOR AND DETECTION METHOD OF TARGET SUBSTANCE - A biosensor includes at least two field effect transistor devices, each including a silicon substrate, a silicon oxide film formed on a surface of the silicon substrate, a source electrode disposed on the silicon oxide film, a drain electrode disposed on the silicon oxide film, a channel for connecting the source electrode and the drain electrode, and a gate electrode capable of controlling the channel, wherein one of the at least two field effect transistor devices is provided with a reaction field on which a target recognition molecule is to be immobilized, and the other one of the at least two field effect transistor devices is provided with a reaction field on which a target recognition molecule is not to be immobilized. | 10-13-2011 |
| 20110254537 | Method and Apparatus for Detecting CCM Operation of a Magnetic Device - A method and an apparatus for detecting a CCM operation of a magnetic device are developed. The method generates a current signal in accordance with a switching current of the magnetic device and generates a first current signal and a second current signal by sampling the current signal. A mode signal is further generated according to the first current signal and the second current signal. The mode signal indicates the magnetic device is operated in CCM or DCM. The apparatus comprises a first sample circuit, a second sample circuit, and an arbiter. The first sample circuit samples the current signal to generate the first current signal. The second sample circuit samples the current signal to generate the second current signal. The arbiter generates the mode signal according to the first current signal and the second current signal for indicating the magnetic device is operated in CCM or DCM. | 10-20-2011 |
| 20110254538 | CURRENT MEASUREMENT METHOD, INSPECTION METHOD OF SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE, AND TEST ELEMENT GROUP - One object is to provide a method for measuring current by which minute current can be measured. A value of current flowing through an electrical element is not directly measured but is calculated from change in a potential observed in a predetermined period. The method for measuring current includes the steps of: applying a predetermined potential to a first terminal of an electrical element having the first terminal and a second terminal; measuring an amount of change in a potential of a node connected to the second terminal; and calculating, from the amount of change in the potential, a value of current flowing between the first terminal and the second terminal of the electrical element. Thus, the value of minute current can be measured. | 10-20-2011 |
| 20110267028 | Measuring device and methods for use therewith - The ability to switch at will between amperometric measurements and potentiometric measurements provides great flexibility in performing analyses of unknowns. Apparatus and methods can provide such switching to collect data from an electrochemical cell. The cell may contain a reagent disposed to measure glucose in human blood. | 11-03-2011 |
| 20110267029 | Fibre Monitoring Apparatus and Method - An electric field sensor comprises an insulating substrate, a plurality of non-contacting electrodes disposed on the substrate, and a plurality of conductors coupled to the electrodes, and extending transversely through the substrate. The electrodes comprise a first electrode portion, and a second electrode portion interlaced with the first electrode portion. The conductors comprise a first conductor portion and a second conductor portion. The first portion of the conductors are coupled to the first electrode portion. The second portion of the conductors are coupled to the second electrode portion. | 11-03-2011 |
| 20110279108 | AC VOLTAGE MEASUREMENT CIRCUIT - A voltage measurement circuit is operative to measure a high voltage AC signal and includes a capacitive divider circuit and a compensator circuit. The capacitive divider circuit includes first and second inputs, across which, in use, is received a high voltage AC signal and also includes second and third capacitors. First and second plates of each of the first, second and third capacitors are defined by conductive layers of a printed circuit board and the dielectric of each of the first, second and third capacitors being defined by a non-conducting part of the printed circuit board. A compensator circuit has a configurable transfer function and includes an input connected across the first and second plates of the third capacitor and an output. The compensator circuit is operative to change a voltage received at its input in accordance with the transfer function and to provide the changed voltage at its output. | 11-17-2011 |
| 20110291640 | REMAINING SHEET QUANTITY DETECTION DEVICE AND IMAGE FORMING APPARATUS - The remaining sheet quantity detection device of the present invention is provided with a storage unit for storing first information which associates a distance between a distance measuring sensor and a tray with a level value in a distance range less than a peak distance, and second information which associates the distance with the level value in a distance range exceeding the peak distance. Additionally provided is a distance acquisition unit for acquiring a distance that is associated with the level value obtained by the distance measuring sensor in the first information when a detection unit detects that the distance is less than the peak distance, and acquiring a distance that is associated with the level value obtained by the distance measuring sensor in the second information when the detection unit detects that the distance exceeds the peak distance. | 12-01-2011 |
| 20110298444 | APPARATUS AND METHOD FOR DIFFUSION SENSING - Apparatuses and methods for diffusion sensing are disclosed. In one embodiment, an apparatus includes a complimentary metal oxide semiconductor (CMOS) switch and a switch sense block. The switch includes a gate, a drain, a source, and a well. The source and drain are formed in the well. The gate is formed adjacent the well between the source and drain, and the source is configured to receive a bias voltage from a power amplifier. The switch sense block is configured to measure a signal indicative of the voltage of at least one of the source or drain voltage of the switch and to generate an output signal based on the measurement. | 12-08-2011 |
| 20110298445 | MULTIPOINT SENSOR - The invention relates to a multipoint sensor ( | 12-08-2011 |
| 20110304316 | FEED DEVICE FOR THE AUTOMATIC SHIFTING OF OBJECTS AND METHOD FOR DETECTING A MOVEMENT OF A FEED UNIT IN A FEED DEVICE - A feed device for the automatic shifting of objects is provided. The feed device comprises a storage area or a holding element and a driven feed unit by means of which an object arranged on the storage area or at the holding element of the feed device can be shifted when the feed unit engages at the object, and wherein the feed device includes at least one electronic component which electronically detects a movement of the feed unit. The electronic component is configured such that the covering of a distance by the feed unit during movement of the feed unit is directly detected as an electric pulse and that the covering of respectively predefined distances of the feed unit generates a pulse sequence characteristic for the distances covered by the electronic component having different contact means at which in each case a pulse is generated which is characteristic for the respective contact means when the feed unit has covered a predefined distance. | 12-15-2011 |
| 20110304317 | VIRTUAL SEMICONDUCTOR NANOWIRE, AND METHODS OF USING SAME - A multiple-gate field-effect transistor includes a fluid in a top gate, two lateral gates, and a bottom gate. The multiple-gate field-effect transistor also includes a patterned depletion zone and a virtual depletion zone that has a lesser width than the patterned depletion zone. The virtual depletion zone width creates a virtual semiconductor nanowire that is lesser in width than the patterned depletion zone. | 12-15-2011 |
| 20120001618 | SYSTEM FOR MONITORING CAPACITOR CELLS - A system for monitoring a plurality of capacitor cells connected in series in a capacitor module which are used as electrical energy stores in an energy storage device and which can be charged in same by a charge current flowing through all the capacitor cells or discharged by a discharge current comprises a measuring unit which can determine the voltages applied to the individual capacitor cells by measuring voltages, an evaluation unit which sets a nominal voltage for the capacitor cells, and at least one discharge branch connectable to each capacitor cell and controllable by a discharge control unit which discharges a respective capacitor cell onto said discharge branch depending upon the set nominal voltage and the applied voltage. | 01-05-2012 |
| 20120007581 | OSCILLATOR - An oscillator includes a reference voltage generator configured to generate a reference voltage varying according a change in temperature and an external voltage, a first comparison voltage generator configured to output a first comparison voltage to a first node in response to the reference voltage, a second comparison voltage generator configured to output a second comparison voltage to a second node in response to the reference voltage, a first comparison circuit configured to compare the reference voltage and the first comparison voltage and to generate a first input voltage as a result of the comparison, a second comparison circuit configured to compare the reference voltage and the second comparison voltage and to generate a second input voltage as a result of the comparison, and a clock generator configured to output a clock signal that oscillates in response to the first and second input voltages. | 01-12-2012 |
| 20120007582 | MEDICATION DELIVERY DEVICE - The medication delivery device is designed to receive a replaceable medication container and to determine an adjusted medication dose AD for each medication container received if the amount of medication contained in the medication container is not a multiple of a prescribed dose D. The adjusted medication dose is the dose to be delivered instead of the prescribed dose at each use of the medication delivery device with the medication container received. The adjusted dose is determined by selecting one of a first dose, that is higher than the prescribed dose, and of a second dose, that is lower than the prescribed dose, as a function of a variable B that cumulates the values nAD·(AD−D), where nAD is equal to INT(Cont/AD) and Cont is the amount of medication in the medication container received. | 01-12-2012 |
| 20120025805 | VOLTAGE DETECTION CIRCUIT AND METHOD FOR CONTROLLING THE SAME - A voltage detection circuit including a voltage selection circuit that outputs a voltage commensurate with a power supply voltage as a first voltage; a detection voltage selection circuit that selects either an external input voltage inputted from an external terminal or the first voltage according to a first control signal, and outputs it as a comparison voltage; a reference voltage generation circuit that generates a reference voltage; a comparator that compares the reference voltage and the comparison voltage, and outputs the comparison result as a detection signal; a control circuit that generates the first control signal so that the detection voltage selection circuit may output either the first voltage or the external input voltage as the comparison voltage by time division, and when a variation of the first voltage is detected, generates the first control signal so that the detection object selection circuit may output the first voltage as the comparison voltage. | 02-02-2012 |
| 20120025806 | METHOD AND APPARATUS FOR WAVE DETECTION - Aspects of the disclosure provide method and apparatus for detecting attributes of an input power supply. The method includes receiving a first signal generated based on a second signal that is predictive. The first signal includes a portion that substantially corresponds to the second signal. Further, the method includes detecting attributes of the portion of the first signal that substantially corresponds to the second signal, and determining attributes of the second signal based on the attributes of the portion of the first signal that substantially corresponds to the second signal. | 02-02-2012 |
| 20120025807 | INTELLIGENT ELECTRONIC DEVICE WITH BROAD-RANGE HIGH ACCURACY - A method and apparatus provides high-accuracy measurements of an electrical parameter across a broad range of parameter input values. In one embodiment, an intelligent electronic device (IED), e.g., a digital electrical power and energy meter, with a plurality of independently-adjustable gain factors measures a parameter, and calculates and stores calibration factors associated with known values of the measured parameter. The IED or meter applies the stored calibration factors when measuring unknown values of the measured parameter, to improve the accuracy of the measurement. | 02-02-2012 |
| 20120043958 | ELECTRONIC PROTECTION MODULE - An electronic protection module adapted for an electronic device to protection information read and stored in a signal reading element. The electronic protection module includes a circuit board, a first loop, a cover, a first flexible circuit board with a second loop, a second flexible circuit board with a third loop, electrical conductor(s) and conductive element(s). When one of the first loop, second loop and the third loop is disconnected, the signal reading element will be disconnected and lose the information, thereby preventing information leak from the electronic device. The electronic device may be a card reader capable of reading a barcode type, magnetic strip type or chip type of a financial card, credit card or personal identity card. | 02-23-2012 |
| 20120056611 | CONNECTION DETECTION CIRCUIT - A connection detection circuit includes a first detection circuit and a second detection circuit. The first detection circuit includes a first comparator and a first detection pin connected to the first comparator. The first comparator is adapted to compare a first voltage level on the first detection pin with a first reference voltage. The second detection circuit includes a second detection pin. The second detection pin is adapted to connect to the first detection pin to vary the first voltage level on the first detection pin to switch an first transistor output when the connection of the first detection circuit and the second detection circuit is achieved. | 03-08-2012 |
| 20120068689 | EEPROM CELL WITH CHARGE LOSS - An EEPROM memory cell that includes a dual-gate MOS transistor in which the two gates are separated by an insulation layer, wherein the insulation layer includes a first portion and a second portion having lower insulation properties than the first one, the second portion being located at least partially above a channel area of the transistor. | 03-22-2012 |
| 20120074926 | INTEGRATED CIRCUIT WITH POWER STATE DETERMINATION CIRCUIT - An integrated circuit in which a power terminal, a ground terminal, an input terminal and an internal circuit are formed, has a unidirectional circuit of a direction from the input terminal to the power terminal, the unidirectional circuit being provided between the input terminal and the power terminal; and a power state determination circuit which detects whether the power terminal is connected to an external power source or not to output a power open detection signal. And the unidirectional circuit includes a first transistor in which a voltage of the power terminal is applied to a gate, and a second transistor connected to the first transistor in series, and a voltage of the external power source is input to the input terminal. | 03-29-2012 |
| 20120081102 | AUDIO JACK WITH GROUND DETECT - Circuits, methods, and apparatus that provide an audio receptacle that can detect the presence of an audio jack without using mechanical switches or other such mechanical mechanisms. One example provides an audio receptacle having two contacts that may be electrically connected when an audio jack is inserted. When no audio jack is inserted into the audio receptacle, the two ground contacts may not be connected. When an audio jack is inserted into the audio receptacle, the resulting closed circuit may be detected and used to activate or otherwise turn on one or more audio circuits in or associated with the audio receptacle. Conversely, when no audio jack is inserted, the resulting open circuit may be detected and used to deactivate or otherwise turn off or reduce power in one or more audio circuits in or associated with the audio receptacle. | 04-05-2012 |
| 20120081103 | SIGNAL DETECTION CIRCUIT, METHOD AND SYSTEM - A signal detection circuit is provided, and includes a signal conversion module, a threshold control module, and a comparison module. The signal conversion module is configured to: convert a reference voltage signal into a reference current signal, and send the reference current signal to the threshold control module; convert a voltage signal to be detected into a current signal to be detected, and send the current signal to be detected to the comparison module. The threshold control module is configured to: generate a threshold current signal according the reference current signal, and send the threshold current signal to the comparison module; and receive a threshold control signal, and change magnitude of the threshold current signal according to the threshold control signal. The comparison module is configured to compare magnitude of the current signal to be detected with the magnitude of the threshold current signal, and output a comparison result. | 04-05-2012 |
| 20120086430 | High-accuracy low-power current sensor with large dynamic range - A current sensing approach makes use of two shunts in series, embedded in a switching fabric, each shunt the object of a differential measurement of voltage drop across the shunt. Methodical make-before-break cycling of the switches in the switching fabric permit real-time or very near-real-time measurement of nearly all of the errors such as offset errors present in each differential-measurement path. Additional differential measurement paths can be connected with the shunts, with RFI filtering at shorter time constants to serve electronic fuse needs. | 04-12-2012 |
| 20120086431 | VERTICAL TYPE SENSOR - The present invention provides a vertical type sensor, including a substrate; a first electrode formed on the substrate; a sensing layer formed on the first electrode layer and reactive to a target substance, wherein the first electrode layer is interposed between the substrate and the sensing layer; and a second electrode layer formed on the sensing layer and having a plurality of openings, wherein the sensing layer is interposed between the first electrode layer and the second electrode layer, and the target substance contacts the sensing layer via the plurality of openings. The vertical type sensor of the present invention provides instant, sensitive and rapid detection. | 04-12-2012 |
| 20120091988 | Remote machine sentinel - A new and improved system that monitors electrically powered equipment. A device that is comprised of a current sensing device(s), a multiple channel transmitter, and a remote receiver carried by the operator. Said device alerts the operator via said remote receiver by audio, light, and or vibration as to the status of the machine. Said device can be used on a wide range of machines using a wide range of voltages. The said current sensing device can also be replaced with the said transmitter connected to the said machine(s)' controls which could energize the said transmitter as the said machine (s) ceases operation. | 04-19-2012 |
| 20120091989 | Power feeding device, power feeding method, and power feeding system - Disclosed herein is a power feeding device including: power transmitting section which transmits electric power by way of a magnetic field; a set of first and second electrodes which are spaced from each other; a power supply which applies a voltage between the first and second electrodes; and a detector which detects whether foreign matter is present on the power transmitting section or not based on the voltage applied by the power supply. | 04-19-2012 |
| 20120091990 | CONTACT SENSOR, DRIVER DEVICE, AND CARE BED - The contact sensor includes a conductive fabric, an insulative spacer having multiple openings, and a conductive sheet of a sheet-shaped conductor. The insulative spacer is interposed between the conductive fabric and the conductive sheet. Upon contact of a soft object such as a human body portion on the conductive fabric with force equal to or greater than a certain strength, the insulative spacer sinks in the soft object with the conductive fabric interposed therebetween. The conductive fabric is deformable in conformity with insulative pieces of the insulative spacer, such that touching of a portion of the conductive fabric on the conductive sheet provides detection of contact of the soft object. | 04-19-2012 |
| 20120098519 | SENSOR ASSEMBLY, TRIP UNIT INCLUDING THE SAME, AND METHOD OF MANUFACTURING A SENSOR ASSEMBLY - A sensor assembly includes an electrical conductor, at least one of a voltage sensor and a current sensor disposed about the electrical conductor, and a first insulator molded about the electrical conductor. The first insulator includes a plurality of structures structured to maintain concentricity between the electrical conductor and the at least one of the voltage sensor and the current sensor. A second insulator is molded about the first insulator and the at least one of the voltage sensor and the current sensor. | 04-26-2012 |
| 20120112735 | Electronic Apparatus and Method of Calculating Input Power Value of Power Supply Unit in Electronic Apparatus - According to one embodiment, an electronic apparatus includes a power supply unit, a current value calculator, and an input power value calculator. The current value calculator is configured to calculate a current value on a power supply cable led out from the power supply unit based on a voltage between two ends of the power supply cable and a resistance value of the power supply cable. The input power value calculator is configured to calculate an input power value of the power supply unit based on the current value on the power supply cable calculated by the current value calculator and an input/output characteristic (efficiency) of the power supply unit. | 05-10-2012 |
| 20120119725 | DEVICE AND METHOD FOR SURFACE - The invention relates to a device for treating surfaces of objects with rounded cross sections and at least one partially electrically conductive outer wall, comprising a plurality of treating stations; and a feed device including support devices for supporting objects to be treated, wherein the feed device is configured to transport the objects supported by a respective support device in a timed sequence from one treating station to another treating station, wherein one of the treating stations is a test station and includes a voltage source, an electrode coupled with the voltage source and a processing unit, wherein the processing unit is configured to detect voltage changes between the electrode and a respective object disposed at the respective test station. The invention also relates to an accordingly configured test station for a device for treating surfaces of objects with rounded cross sections and at least one partially electrically conductive outer wall and to a method for treating surfaces of objects with rounded cross sections and at least one partially electrically conductive outer wall. | 05-17-2012 |
| 20120126781 | ON-CHIP IR DROP DETECTORS FOR FUNCTIONAL AND TEST MODE SCENARIOS, CIRCUITS, PROCESSES AND SYSTEMS - An integrated circuit includes a functional circuit ( | 05-24-2012 |
| 20120126782 | LOW VOLTAGE ELECTRONIC MODULE INTERFACE - A low voltage electronic module interface, with a low voltage interface for an electronic module receiving a constant current from a body control module, the interface including a reverse current protection circuit | 05-24-2012 |
| 20120146620 | CURRENT SENSOR - A sensor for use in detecting a time-varying current in a conductor ( | 06-14-2012 |
| 20120161748 | VOLTAGE MARGIN TESTING DEVICE AND METHOD - A voltage margin testing device for testing voltage margin of a unit under test including a voltage terminal includes a button module that selectively allows adjustment of a constant voltage value of a voltage of the voltage terminal, a microcontroller and a digital potentiometer. Selection of the button module causes the microcontroller to adjust a resistance of the digital potentiometer causing the voltage of the voltage terminal to change in increments of the constant voltage value according to the resistance of the digital potentiometer. When the voltage of the voltage terminal is not within the voltage margin, the unit under test works abnormally and sends an error signal to the microcontroller. The microcontroller receives the error signal and adjusts the resistance of the digital potentiometer to change the voltage of the voltage terminal in increments of the constant voltage value until the unit under test works normally. | 06-28-2012 |
| 20120206126 | CAPACITIVE COUPLING BASED SENSOR - A capacitive coupling based sensor is disclosed. In some embodiments, a sensor comprises a transmitter and a receiver that are configured to be capacitively coupled when a coupling condition is satisfied as well as a circuit configured to determine whether a received signal that is received by the receiver matches a transmitted signal that is transmitted by the transmitter. | 08-16-2012 |
| 20120206127 | MEASURING AND CONTROLLING WAFER POTENTIAL IN PULSED RF BIAS PROCESSING - Apparatus and methods are provided for monitoring a pulsed RF bias signal applied to a chuck in a processing chamber. One method includes operations for detecting voltage values of individual pulses of the pulsed RF bias voltage, and for determining the time for sampling the value of each individual detected pulse. At the sampling time for each pulse, a particular voltage value of the respective individual detected pulse is sampled and the particular voltage value is held. Each particular voltage value represents a characteristic peak-to-peak voltage value of each individual detected pulse. A feedback signal representing the characteristic peak-to-peak voltage value for a voltage envelope of one of the individual detected pulses is generated, and the voltage of the pulsed RF bias voltage signal applied to the chuck is adjusted according to a difference between the feedback signal and a desired voltage value of the pulsed RF bias voltage signal. | 08-16-2012 |
| 20120223696 | Systems and Methods for Current Sensing Over an Extended Area - Methods and systems for providing current sensing over an extended area, such as a substrate of an integrated circuit, are described. The described methods and systems particularly describe a circuit layout procedure and configuration that can be used to carry out current sensing at diverse locations in the extended area. | 09-06-2012 |
| 20120223697 | SENSOR FOR MEASURING ELECTRICAL CHARACTERISTICS - Provided is a sensor for measuring electrical characteristics. The sensor includes a printed circuit board defining a round through-hole into which a power transmission line is inserted; a voltage sensor including a ring-shaped electrode and a first terminal portion to measure a voltage formed in the power transmission line, the electrode being fixed against the inner periphery of the through-hole to measure a voltage formed in the power transmission line, and the first terminal portion having one end in contact with one side of the electrode and the other end exposed through one side of the printed circuit board; and a current sensor including a pickup coil and a second terminal portion to measure current flowing in the transmission line. | 09-06-2012 |
| 20120242322 | Supply Voltage Auto-Sensing - Processes, machines, and articles of manufacture that may serve to enable the detection or determination of alternating line voltages from an alternating power source, such as the power grid, are provided. This automatic sensing may be useful when connections are made to the power grid, such that when connections are made, the connections may be configured to be compatible with the available power source. This automatic sensing may also be useful if power sources change characteristics over time or if devices may be connected to different power sources over time. | 09-27-2012 |
| 20120242323 | Method and System for a Digital Voltage Detector with Digital Voltage Display - A digital voltage detector system that is compatible with existing Armament Circuits Preload Test Sets is described. Adjustment of under and over voltage trip points is accommodated in accordance with conventional means. The digital voltage detector is compatible with all conventional Voltage Detector interface cables and adapters. Unlike the conventional voltage detector of existing Armament Circuits Preload Test Sets, over-voltage trips do not blow a fuse, eliminating the need to have replacement fuses or redundant conventional voltage detectors in an Armament Circuits Preload Test Set. Additionally, the digital voltage detector provides a digital voltage readout allowing the user to view the input voltage during a Presence of Voltage test. The digital voltage detector system facilitates timely and efficient execution of the Armament Circuits Preload Test series. | 09-27-2012 |
| 20120249120 | CURRENT LOOP DETECTION SYSTEM AND CURRENT LOOP DETECTION METHOD THEREOF - A current loop detection system and a current loop detection method thereof are provided. The current loop detection system includes a characteristic load, a current measuring apparatus and a user apparatus. The characteristic load connects to a current loop electrically, and generates a current characteristic waveform while operating. The current measuring apparatus connects to a current source electrically. The user apparatus connects to the current measuring apparatus via a first connection. The current measuring apparatus transmits an output current waveform of the current source to the user apparatus via the first connection. The user apparatus determines that the output current waveform corresponds to the current characteristic waveform and, according to a result of the determination, determines that the current source connects to the current loop electrically. | 10-04-2012 |
| 20120262147 | Method for compensating timing offset in calibration of AC voltage level switching in relay and computer program product thereof - A method for compensating a timing offset in calibration of AC (alternating current) voltage level switching in a relay and a computer program product thereof are introduced. The method involves performing timing detection of electrical connection/disconnection of the relay at a zero-voltage crossing point by a controlling unit and detecting circuits disposed at input and output ends of the relay, respectively, calculating a timing offset compensation value according to a temporal difference between a point in time of the switching of the relay and the zero-voltage crossing point, and obtaining an accurate response time of the relay to electrical connection/disconnection thereof according to the timing offset compensation value, such that the electrical disconnection/connection of the relay calibrated by the controlling unit coincides with the zero-voltage crossing point to avoid instantaneous high current charging and preclude a spark which is likely to end up in electrical disconnection. | 10-18-2012 |
| 20120262148 | VOLTAGE MEASUREMENT APPARATUS - A voltage measurement apparatus includes a power interface, first and second voltage detecting modules, first and second driving modules, and first and second indication modules. The first voltage detecting module compares an output voltage with a first reference voltage, to determine whether the output voltage is greater than the first reference voltage. The second voltage detecting module compares the output voltage with a second reference voltage, to determine whether the output voltage is less than the second reference voltage. The first indication module indicates the output voltage when the output voltage is greater than the upper limit voltage or less than the lower limit voltage. The second indication module indicates the output voltage when the output voltage is less than or equal to the upper limit voltage and greater than or equal to the lower limit voltage. | 10-18-2012 |
| 20120268101 | OSCILLOSCOPE WITH INTEGRATED GENERATOR AND INTERNAL TRIGGER - An apparatus, includes an oscilloscope and a waveform generator. The waveform generator is integrated in a common housing with the oscilloscope, and configured to provide a stimulus signal as an output of the apparatus and to provide a trigger signal that is connected internally to the oscilloscope for triggering the oscilloscope. | 10-25-2012 |
| 20120268102 | SWITCHING APPARATUS AND TEST APPARATUS - To restrict a bowing amount of a piezoelectric actuator, provided is a switching apparatus comprising a contact point section including a first contact point; and an actuator that moves a second contact point to contact or move away from the first contact point. The actuator includes a first piezoelectric film that expands and contracts according to a drive voltage to change a bowing amount of the actuator, and a second piezoelectric film that is provided in parallel with the first piezoelectric film and restricts bowing of the actuator when the drive voltage is not being supplied to the first piezoelectric film. | 10-25-2012 |
| 20120268103 | DISPLAY FOR HAND-HELD ELECTRONICS - The invention disclosed here is a display system for managing power and security for a plurality of hand-held electronic devices sold to consumers in a retail location. The display includes features that allow power to be supplied to individual devices and security sensors without continuous hard wiring or multi-conductor retractor cables. The display also allows for individual security alarms to be triggered when a theft occurs. Security alarm conditions are preferably triggered via wireless signals. | 10-25-2012 |
| 20120274308 | VOLTAGE DETECTION CIRCUIT - A voltage detection circuit is used for determining whether a voltage of a power supply is less than a preset voltage. The circuit includes a Zener diode, a first electronic switch, a second electronic switch, and a controller. When the controller receives a high level signal, the controller warns the users that the voltage of the power supply is less than 3.3 volts. | 11-01-2012 |
| 20120286764 | APPARATUS FOR DETECTING PARTIAL DISCHARGE FOR ELECTRIC POWER DEVICES - The present invention relates to an apparatus for detecting partial discharge for electric power devices, comprising: an insulator having a predetermined shape; a receiving unit arranged inside or outside the insulator to receive signals of a plurality of sub-bands; and a connection electrode which transmits signals of a receiving electrode to a coaxial cable in conjunction with the connected coaxial cable. | 11-15-2012 |
| 20120293159 | VOLTAGE TESTING CIRCUIT - A voltage testing circuit includes a voltage input terminal, an LED, a first reference resistor, a transistor, a current-limiting resistor, a second reference resistor, and a 3-terminal adjustable regulator. The transistor includes an emitter, a base connected to the voltage input terminal through the first reference resistor, and a collector connected to the voltage input terminal. The current-limiting resistor is connected between the emitter and an anode of the LED. The second reference resistor is connected between the voltage input terminal and ground. The 3-terminal adjustable regulator includes a positive terminal grounded, a negative terminal connected to a cathode of the LED, and a controlling terminal connected to the voltage input terminal through the second reference resistor. The LED emits light according to voltage of the voltage input terminal. | 11-22-2012 |
| 20120293160 | FIELD-EFFECT TRANSISTOR INCLUDING MOVABLE GATE ELECTRODE AND SENSOR DEVICE INCLUDING FIELD-EFFECT TRANSISTOR - A field-effect transistor includes a semiconductor layer, at least two active regions disposed in the semiconductor layer, a source electrode in contact with one of the two active regions, a drain electrode in contact with the other active region; an insulating layer which is located between the source electrode and the drain electrode and which is disposed on the semiconductor layer, a gate electrode overlying the insulating layer, an adsorption site which is disposed between the gate electrode and the insulating layer and is used to adsorb a molecule, and a driving unit used to drive the gate electrode. | 11-22-2012 |
| 20120299576 | PHOTOVOLTAIC POWER GENERATING SYSTEM - The embodiments comprise a plural solar cell strings | 11-29-2012 |
| 20120299577 | COMPONENT DETECTION DEVICE AND COMPONENT DETECTION METHOD - Provided is a component detection device, which is installable on component processing means which performs a predetermined operation to a conductive component interposed between one conductive member and another conductive member, the component detection device comprising a detection circuit ( | 11-29-2012 |
| 20120313619 | CURRENT MEASURING APPARATUS - What is disclosed is a current measuring apparatus comprising: a mains connector, such as a plug, for connecting to a wire of a mains supply; an apparatus connector, such as a socket, to provide for electrical conduction to an electrical apparatus; a coil in series between the mains connector and the apparatus connector; and a measurement circuit that is operative to measure a voltage drop across the coil. In particular the coil is one present to also filter the mains signal. Also disclosed is a mains voltage powered consumer product, a network and an adaptor utilising the current measuring apparatus. | 12-13-2012 |
| 20120326699 | GALVANIC ISOLATION DEVICE AND METHOD - Various exemplary embodiments relate to an isolation device including a semiconductor layer and an insulation layer. The insulation layer insulates a central portion of the semiconductor layer. A high voltage terminal connects to the insulation layer, a first low voltage terminal connects to a first non-insulated portion of the semiconductor layer, and a second low voltage terminal connects to a second non-insulated portion of the semiconductor layer. The first and second low voltage terminals are electrically connected via the semiconductor layer. A voltage applied to the high voltage terminal influences the conductance of the semiconductor layer. The high voltage terminal is galvanically isolated from the first and second low voltage terminals. | 12-27-2012 |
| 20120326700 | Apparatus and Methods for Time Domain Measurement of Oscillation Perturbations - An oscillatory apparatus and methods of utilizing the same. In one embodiment, the apparatus comprises a force sensor having a proof mass, with one or more sensing electron tunneling electrodes disposed thereon, and a frame comprising one or more reference electron tunneling electrodes. Conductive plates disposed on the sensor base and capping wafers induce oscillations of the proof mass. The sensing and the reference electrode pairs are disposed in a face-to-face configuration, thus forming a digital switch characterized by one or more closed states. In the closed state, the switch generates triggering events, thereby enabling the sensing apparatus to generate a digital output indicative of the mass position. The time period between consecutive trigger events is used to obtain mass deflection due to external forcing. Time separation between the triggering events is based on the physical dimensions established during fabrication, thus not requiring ongoing sensor calibration. | 12-27-2012 |
| 20130002232 | FRAME SEQUENCE FOR A CELL VOLTAGE MEASUREMENT SYSTEM WITH A LOW PROBABILITY OF NATURAL OCCURRENCE - A method for providing calibration and synchronization pulses in a pulse width modulation (PWM) signal including cell voltage measurement pulses, where the calibration pulses are four calibration pulses having a pattern of a narrow width high voltage pulse followed by a wide width low voltage pulse followed by a narrow width high voltage pulse followed by a wide width low voltage pulse that has a very low probability of occurring in a practical fuel cell system. The method modulates a combined sequence of the voltage measurement signals and the calibration pulses using an inverted saw tooth wave to provide the PWM signal, where a width of the pulses representing the voltage signals are proportional to a width of the pulses representing the calibration pulses. | 01-03-2013 |
| 20130009626 | CURRENT MEASUREMENT SYSTEM - A measurement system for measuring an input electrical current (Ics) from a current source (CS) and generating a current measurement signal, comprising a current measuring circuit ( | 01-10-2013 |
| 20130015837 | ON-CHIP SIGNAL WAVEFORM MEASUREMENT CIRCUITAANM Jenkins; Keith A.AACI Sleepy HollowAAST NYAACO USAAGP Jenkins; Keith A. Sleepy Hollow NY USAANM Wang; Peter Z.AACI Yorktown HeightsAAST NYAACO USAAGP Wang; Peter Z. Yorktown Heights NY US - Methods and apparatus are provided for on-chip signal waveform measurement. An integrated circuit is provided that comprises an on-chip comparator for comparing a voltage level of a signal to be measured to a voltage level of a reference voltage, at a time determined by at least one edge of an evaluation clock. The reference voltage can be varied to obtain a plurality of voltage points. The evaluation clock can be varied to obtain a plurality of time sampling points. In addition, the reference voltage and the evaluation clock can both be varied to obtain a plurality of voltage-time sampling points constituting a waveform corresponding to the signal to be measured. | 01-17-2013 |
| 20130015838 | DOCUMENT SIZE DETECTING DEVICE AND MULTI-FUNCTION PERIPHERALAANM Liao; Hung-WeiAACI New Taipei CityAACO TWAAGP Liao; Hung-Wei New Taipei City TW - A document size detecting device and multi-function peripheral are provided. The multi-function peripheral includes a body, a tray and a document size detecting device. The tray is disposed on the body, and the document size detecting device is disposed on the tray. The document size detecting device includes a size adjusting unit, a pressing element, a circuit board and a film. The size adjusting unit is disposed on the tray and the pressing element is disposed on the size adjusting unit. The circuit board is disposed on the tray and by the size adjusting unit. The circuit board has first pads and the film disposed on the circuit board has second pads corresponding to the first pads. The pressing element presses on the film, such that the second pad under the pressing element contacts one of the first pads to generate a detecting signal transmitting to the body. | 01-17-2013 |
| 20130043862 | BIOSENSOR DETECTING THIOL GROUP AND METHOD FOR PREPARING THE BIOSENSOR - There is provided a biosensor for detecting a thiol group and a method of manufacturing the biosensor. In detail, in the method, Au nano particles are manufactured by irradiating radiation (Step 1), a PTh-EDOT/ITO film is manufactured by forming a poly(thiophene-co-3,4-ethylenedioxythiophene) (PTh-EDOT) layer on an indium tin oxide (ITO) coated substrate using cyclic voltammetry (CV) (Step 2) (Step 2); and a Au nano particle modified PTh-EDOT/ITO film is manufactured by dispersing the Au nano particles manufactured in Step 1 onto the PTh-EDOT/ITO film manufactured in Step 2 (Step 3). | 02-21-2013 |
| 20130057251 | REFERENCE POTENTIAL ADJUSTMENT DEVICE AND A MEASURING DEVICE EQUIPPED WITH THE SAME - A reference potential adjusting apparatus is provided. The reference potential adjusting apparatus includes a reference potential measuring unit configured to measure a potential of a solution, a counter electrode disposed in the solution, and configured to change the potential of the solution through oxidation-reduction reactions with the solution, and a comparator configured to compare a measurement voltage provided by the reference voltage measuring unit to a reference voltage provided by a reference voltage supply unit, and to adjust reactions of the counter electrode with the solution according to the result of the comparison. The reference potential measuring unit includes a reference electrode, a common electrode disposed to be spaced apart from the reference electrode, and at least one nano structure contacting the reference electrode and the common electrode, and having electrical conductivity changing according to the potential of the solution. | 03-07-2013 |
| 20130063125 | SENSOR DEVICES AND METHODS FOR USE IN SENSING CURRENT THROUGH A CONDUCTOR - Sensor devices and related methods disclosed. One example sensor device includes a non-magnetic substrate, a coil comprising a plurality of turns wound about the substrate, the coil defining an aperture structured to receive a conductor therein; and a dielectric material positioned adjacent to the coil and at least partially within the aperture such that the dielectric material is between the coil and a conductor positioned in the aperture. | 03-14-2013 |
| 20130063126 | FAN DETECTING CIRCUIT - A fan detecting circuit used to detect whether a fan is connected to an electronic device, includes a connector, a control unit, a display unit, and first and second electronic switches. The connector includes a detecting pin connected to a power supply through a resistor. When the fan is not connected to the connector, the control unit receives a high level signal from the power supply, and controls the display unit to indicate the fan is not connected to the electronic device. When the fan is connected to the connector, the detecting pin of the connector is grounded through the fan, and the first and second electronic switches are turned on. The connector is grounded through the second electronic switch. The control unit receives a low level signal from the detecting pin of the connector, and controls the display unit to indicate the fan is connected to the electronic device. | 03-14-2013 |
| 20130069623 | CURRENT DETECTOR ALLOWING A LARGE SUPPLY VOLTAGE RANGE - The disclosure relates to a method for detecting a current comprising: generating a bias current, transmitting the bias current to a feedback stage and a measurement stage connected to the measurement node receiving a current to be measured, slaving a voltage to the measurement node at a constant value by the measurement and feedback stages, transmitting to an output stage, a current circulating in the measurement stage, which depends on the bias current and the current to be measured, and converting a current circulating in the output stage into a voltage. | 03-21-2013 |
| 20130069624 | LOW-VOLTAGE DIFFERENTIAL SIGNAL ACTIVITY DETECTOR - An activity detector for a differential signal formed by two components may include a current source connected to a power supply line, and a first transistor has a drain being powered by the current source, and has a source that forms a first input terminal receiving a first component of the differential signal. A second transistor has a drain being powered by the current source, and has a source forms a second input terminal receiving the second component of the differential signal. A bias circuit applies a potential to the gates of the first and second transistors, establishing a balance condition where all the current from the current source is distributed between the two transistors when the first and second input terminal potential is equal to a threshold value. An activity indication terminal is taken from the drains of the first and second transistors. | 03-21-2013 |
| 20130069625 | Wireless Power Transfer Test System - A testing system for wireless power transfer systems, including a stationary plate, a rotating plate, and a driver to rotate the rotating plate with respect to the stationary plate. | 03-21-2013 |
| 20130076337 | Dynamic RF Power Measurement with Visualization - Embedded systems that utilize RF are often times difficult to troubleshoot as the signals cannot be easily probed without special equipment. Embodied in this patent is a tool that allows the embedded systems designer to troubleshoot these said RF designs. A combined spectrum analyzer and dynamic power meter. These are two of the most important tools that a designer needs when doing RF protocol development. This, coupled with an intuitive/simple to use graphical user interface, provides the ideal tool for RF engineering doing embedded systems design, product verification, and protocol design. | 03-28-2013 |
| 20130106397 | METER COLLAR FOR PLUG-IN CONNECTION OF DISTRIBUTED POWER GENERATION | 05-02-2013 |
| 20130113458 | LED LAMP DRIVER IDENTIFICATION - The type of an LED power driver (i.e., a magnetic transformer or an electronic transformer) is determined by manipulating the AC voltage produced by the power driver so that it may be analyzed and the type of power driver reliably determined. In various embodiments, a system for detecting an AC power supply type includes a circuit for monitoring a negative half or a positive half of an output voltage of the AC power supply and an analyzer for determining the AC power supply type based at least in part on a presence or absence of an envelope in the monitored output voltage. | 05-09-2013 |
| 20130113459 | METHOD FOR DETERMINING AND/OR MONITORING AT LEAST ONE PROCESS VARIABLE OF A MEDIUM, A CORRESPONDING ELECTROCHEMICAL SENSOR AND A CORRESPONDING SYSTEM - A method for determining and/or monitoring at least one process variable of a medium by means of at least of an electrochemical sensor comprising at least a first reference half cell and a second reference half cell, and comprising the method steps as follows: measuring a first electrical measured variable X | 05-09-2013 |
| 20130113460 | METHOD OR VOLTAGE DETECTION SYSTEM FOR DETERMINING A CORRECTION PARAMETER FOR A MEASUREMENT CHANNEL AND FOR DETECTING A TERMINAL VOLTAGE OF AN ELECTRIC MOTOR - The invention relates to a method for determining a correction parameter for a measurement channel ( | 05-09-2013 |
| 20130119973 | AMBULATORY INFUSION DEVICE WITH SENSOR TESTING UNIT - An ambulatory infusion device for infusion of a liquid drug into a patient's body over an extended period of time and methods thereof are disclosed. The device includes a sensor assembly, which produces a sensor assembly output based on an infusion characteristic of the ambulatory infusion device and based on a supply voltage/current, and a supply unit which is coupled to a sensor of the sensor assembly and generates the supply voltage/current. A sensor testing unit detects a failure of the sensor assembly, wherein the sensor testing unit is coupled to the sensor assembly and the supply unit, and the sensor testing unit carries out a sensor testing sequence. The sensor testing sequence includes controlling the supply unit so as to produce a variation of the supply voltage/current, and determining whether the variation of the supply voltage/current produces a corresponding variation of the sensor assembly output. | 05-16-2013 |
| 20130127440 | PASS THROUGH DEVICE FOR NON-CONTACT VOLTAGE DETECTORS - A device for allowing an electrical worker to use a non-contact voltage detector to check for the presence or absence of voltage inside a closed electrical panel is provided. The device includes an assembly having a front side and an opposite back side, a plurality of posts extending outwardly from the back side of and configured to hold wires in a fixed position within the closed electrical panel, and a plurality of indentations in the front side which form protrusions on the back side and are positioned to allow for positioning the non-contact voltage detector proximate the wires for testing with the non-contact voltage detector. | 05-23-2013 |
| 20130127441 | APPARATUS AND METHOD FOR ON-CHIP SAMPLING OF DYNAMIC IR VOLTAGE DROP - Test points on an integrated circuit chip, especially points subject to IR voltage drop along power supply rails, are coupled to comparators controlled by an automatic test controller, all included on the chip. Each test point can have one or more comparators and one or more reference voltages over a testing range. A change of state at a comparator sets a latch that is read and reset by the on-chip automatic test controller during test intervals. The automatic test controller can coordinate with external automatic test equipment that applies stimulus signals to the chip during testing. The greatest voltage drop during a test interval is determined from the latched output of the switched comparator coupled to the lowest reference voltage. The setting and resetting of the latch can be gated through a selectable delay so as to discriminate for excursions that persist for a longer or shorter time. | 05-23-2013 |
| 20130147461 | MASKING APERTURES ENABLING AUTOMATION AND SOLUTION EXCHANGE IN SESSILE BILAYERS - Disclosed herein are devices and methods related to the production and measurements of amphiphilic molecule bilayers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 06-13-2013 |
| 20130169264 | CONDUCTING POLYMER MATERIALS BASED ON CARBONYL-FUNCTIONALIZED POLYSILICONES AND METHODS FOR THEIR PREPARATION - Polymer compositions based on polyaniline and carbonyl-functionalized polysilicones, and methods for making these polymer compositions are disclosed in the present application. The polymer compositions have, for example, good solubility, processability, mechanical performance and conductivity. | 07-04-2013 |
| 20130181695 | METHOD OF MEASURING LINK VOLTAGE - A cycle is divided into a first period and a second period. The first period is longer than the second period. Two sections in which a unit voltage vector is adopted in the first period are adopted as a first section and a second section. A first measured value of a link voltage is measured at a midpoint of the first section and a second measured value of the link voltage is measured at a midpoint of the second section. Then, a representative value of the link voltage in a cycle including the first period is obtained by interpolation of the first measured value and the second measured value. A maximum value of the link voltage is obtained by dividing the representative value by cos θ. | 07-18-2013 |
| 20130181696 | LOW-VOLTAGE EXIT DETECTOR, ERROR DETECTOR, LOW-VOLTAGE SAFE CONTROLLER, BROWN-OUT DETECTION METHOD, AND BROWN-OUT SELF-HEALING METHOD - A low-voltage exit detector comprises a low-voltage detector and a voltage rise detector for detecting a change from a low-voltage condition of a watched voltage to a non-low-voltage condition of the watched voltage. An error detector for detecting storage errors comprises: a low-voltage exit detector as described above, first and second loaders for loading an load-ing information into first and second storage elements, wherein the loading information is coded using first and second coding schemes; first and second retrievers for retrieving stored information stored in the first and the second storage elements and decoding this information; and a second comparator for comparing a combination of a first retrieved information retrieved using the first retriever and a second retrieved information retrieved using the second retriever to each pattern of a set of valid patterns and for generating a match-mismatch signal indicating a result of this comparison. Further, the invention relates to a low-voltage safe controller comprising an error de-tector as described above and an application unit, to a brown-out detection method, and to a brown-out self-healing method. | 07-18-2013 |
| 20130214760 | MINIMAL POWER LATCH FOR SINGLE-SLOPE ADCs - A latch circuit that uses two interoperating latches. The latch circuit has the beneficial feature that it switches only a single time during a measurement that uses a stair step or ramp function as an input signal in an analog to digital converter. This feature minimizes the amount of power that is consumed in the latch and also minimizes the amount of high frequency noise that is generated by the latch. An application using a plurality of such latch circuits in a parallel decoding ADC for use in an image sensor is given as an example. | 08-22-2013 |
| 20130234697 | METHOD AND DEVICE FOR COUNTING ENERGISATION EVENTS - A method and a device for counting energisation events. The device comprises a connector member for connecting to an energisable element; a sampling module coupled to the connector member, the sampling module configured to detect energisation of the energisable element; a count module coupled to the sampling module, the count module configured to count a number of detected energisation events of the energisable element. | 09-12-2013 |
| 20130241530 | Measuring Device for Determining and/or Monitoring at Least One Process Variable - A measuring device for determining and/or monitoring at least one process variable, comprising: a sensor unit; a first electronics unit which has a first microcontroller, and a second electronics unit which has a second microcontroller, and which is connected with the first electronics unit via a galvanically isolated transmission unit for energy- and data transmission. The first microcontroller produces at least one signal, which can vary in at least one characteristic, and supplies the signal to the transmission unit, that the signal controls the energy- and data transmission, that the first microcontroller and/or the second microcontroller determines at least one current operating parameter, and that the first microcontroller sets at least one characteristic of the signal as a function of the operating parameter. | 09-19-2013 |
| 20130265033 | TEST CIRCUIT AND SEMICONDUCTOR APPARATUS INCLUDING THE SAME - A test circuit includes a through via test unit configured to be set to a first resistance value in response to a first test control signal and to a second resistance value in response to the first test control signal and a second test control signal, and form a current path including a through via that electrically connects a first chip and a second chip; and a test measurement unit configured to supply a test voltage to the through via and measure a current flowing through the through via. | 10-10-2013 |
| 20130271111 | SMART AC PANEL - Smart AC Panel replaces the existing AC Panel in a home. It not only includes existing AC Panel function such as bus bar and circuit breakers, but also current sensor, voltage sensing circuitry and relay devices to help control and monitor power associated with each branch circuit. The current sensor, voltage sensing circuitry interfaces to an embedded controller. Various embedded controllers are connected through CAN serial communication to a supervisory embedded controller which in turn has internet connectivity. | 10-17-2013 |
| 20130278240 | SYSTEM AND METHOD OF MEASURING POWER PRODUCED BY A POWER SOURCE - Some embodiments relate to a system for measuring power produced by a power source. The system includes a first voltage sensor for sensing a first voltage difference between a first voltage and a second voltage and a second voltage sensor for sensing a second voltage difference between a third voltage and the second voltage. The system further includes a first current sensor for sensing a current difference between a first current and a second current, and a second current sensor for sensing a current difference between a third current and the second current. The system further includes a power measuring device that determines the power produced by the power source using the first and second voltage differences and the first and second current differences. | 10-24-2013 |
| 20130285640 | SEMICONDUCTOR DEVICE, MEASUREMENT DEVICE, AND CORRECTION METHOD - A semiconductor device includes an oscillator that oscillates at a specific frequency, a semiconductor integrated circuit that integrates a temperature sensor that detects a peripheral temperature, and a controller that is electrically connected to the oscillator and that corrects temperature dependent error in the oscillation frequency of the oscillator based on the temperature detected by the temperature sensor and a sealing member that integrally seals the oscillator and the semiconductor integrated circuit. | 10-31-2013 |
| 20130307521 | STRAIN RELIEVING FEATURE FOR PRINTED CIRCUIT BOARD ASSEMBLIES - A system includes a utility meter with a first conductive member and a circuit board coupled to the first conductive member at a first joint. The first joint is disposed along a first elongated strip portion of the circuit board. The first elongated strip portion is configured to flex relative to a main portion of the circuit board in response to thermal expansion or thermal contraction of the first conductive member or a component coupled to the first conductive member. | 11-21-2013 |
| 20130307522 | ELECTRIC FIELD PROBE - There is provided an electric field probe that can narrow a receiving range to a desired range when measuring a near electric field. An electric field probe includes a rodlike monopole antenna, and a conductive reflective member provided coaxially with the monopole antenna to cover the monopole antenna. The reflective member is open at its bottom in an axial direction of the monopole antenna. | 11-21-2013 |
| 20130328544 | HOME APPLIANCE HAVING BUILT-IN POWER METER - An appliance is disclosed that includes operation unit that is mounted in a case of the appliance that is supplied power by an external power supply and that includes at least one of a motor and a heating member. The appliance further includes a control circuit mounted in the case of the appliance and configured to control the operation unit to perform appliance functionality that is different than measuring power. The appliance further includes a power meter coupled to the control circuit, built into the case, and configured to measure power consumed by the appliance in performing the appliance functionality. | 12-12-2013 |
| 20130335060 | MOLECULE SENSING AND IDENTIFICATION - The present disclosure includes devices and methods for spectroscopic identification of molecules. One device includes a topological insulator layer oriented either above or below two metallic contacts and wherein the contacts are oriented such that a voltage can be applied across the contacts and a current-voltage characteristic can be measured. | 12-19-2013 |
| 20140002054 | ELECTRONIC DEVICE | 01-02-2014 |
| 20140002055 | SYSTEM AND METHOD FOR REAL TIME DETECTION AND CORRELATION OF DEVICES AND POWER OUTLETS | 01-02-2014 |
| 20140015512 | Diagnostic Device, Apparatus and Method - A diagnostic device comprises a comparison section to compare an input voltage with a threshold voltage, wherein the input voltage is a power supply voltage for a component on a circuit board; and an indicator to provide an indication of the result of the comparison by the comparison section, the indication to render the circuit board identifiable to direct inspection, wherein the supply of power to the component is independent of the result of the comparison. | 01-16-2014 |
| 20140015513 | DEVICE FOR MEASURING A SUPPLY VOLTAGE IN ELECTRIC VEHICLES - A sensor arrangement for measuring an electric voltage (U | 01-16-2014 |
| 20140015514 | POWER CONSUMPTION MANAGEMENT SYSTEM - A power consumption management system includes: a main part that is connected to a power line; a breaker that is electrically connected to the main part, and limits a current supplied to a load to a predetermined set value; a sensor unit including a current sensor and a signal processing part. The current sensor measures a current supplied from the main part to the breaker, and outputs a current detection signal based on the measured current. The signal processing part receives the current detection signal over a predetermined time, determines a range of a signal level from the received current detection signal, and adjusts an input range of the current detection signal in accordance with the determination result. | 01-16-2014 |
| 20140028282 | Wireless Voltage Reference Broadcast In A Distributed Energy Metering System - A system and method of wireless voltage reference broadcast in a distributed energy metering system is provided. A voltage reference is determined at a distribution hub for wirelessly and transmitted in voltage reference data frames providing voltage samples and a clock synchronization from an alternating current (AC) line under measurement. Wireless metering units, each coupled to an AC load circuit, receive the voltage reference data frames wherein the current sampling clock of the wireless metering units are synchronized to a voltage sampling clock of the distribution hub for determining current samples from the respective AC load circuit to calculate energy data parameters. | 01-30-2014 |
| 20140035558 | SENSOR DEVICE AND SENSOR INTERFACE - A mode detector in a sensor interface is configured to detect a mode specified by a mode signal when an input signal received from a side of a first terminal is the mode signal. A communication portion in the interface transmits an electric signal, obtained from a sensor circuit, to a side of a second terminal when a mode detected with the detector is a sensor output mode. The communication portion receives an input signal from the side of the first terminal while transmitting an output signal to the side of the second terminal, when a mode detected with the detector is a communication mode. | 02-06-2014 |
| 20140043012 | Apparatus and method for sampling a signal - The sampling of a signal is described using a sampling bridge, the sampling terminals of which are interconnected. | 02-13-2014 |
| 20140043013 | SENSOR CIRCUIT - A method of measuring signals related to a photodiode based sensor and calculating a corrected data value thereof is disclosed. A nominal reset voltage value of the photodiode may be measured. A knee point voltage may be applied to the photodiode and resets a voltage on the photodiode to the knee point voltage when the voltage on the photodiode falls below the knee point voltage. Applying the knee point voltage may extend the dynamic range of the sensor. An output voltage of the photodiode at end of an integration time of the photodiode may be measured. The knee point voltage may be applied again after the end of the integration time. A voltage value of the photodiode of the knee point voltage may be measured. The nominal reset voltage value, the output voltage of a sensor and the knee point voltage may be reported to calculate the corrected data value. | 02-13-2014 |
| 20140055123 | MOTOR POWER SIMULATING APPARATUS FOR FUEL CELL POWER MODULE EVALUATION - Disclosed is a motor power simulating apparatus for fuel cell power module evaluation that accurately reflects real world characteristics of a fuel cell vehicle. More particularly, the power simulating apparatus disclosed herein includes a fuel cell power module, a ripple current generator, and an electronic load device, the ripple current generator connected to the fuel cell power module and the electronic load device to accurately simulate power output from a fuel cell of a fuel cell vehicle under real world conditions. | 02-27-2014 |
| 20140070790 | TYPE DETERMINATION APPARATUS, TYPE DETERMINATION METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A type determination apparatus includes an acquisition unit configured to chronologically acquire power consumption consumed by an electrical device; and a determination unit configured to determine that a type of the electrical device is a type to be determined in accordance with a reference pattern representing a predetermined pattern of a power fluctuation when a fluctuation pattern of the power consumption acquired for a duration equal to or more than a reference period of time is matched with the reference pattern. | 03-13-2014 |
| 20140070791 | ELECTRONIC DEVICE AND METHOD OF ELECTRONIC DEVICE FOR DETERMINING POWER SOURCE DEVICE - An electronic device includes a current source for applying current, a pull-up resistor or a pull-down resistor configured to be connected to one of a plurality of data terminals, a voltage level detection circuit configured to detect voltage values of the plurality of data terminals, and a connected device determination circuit configured to determine a type of a power source device based on the voltage values of the plurality of data terminals detected by the voltage level detection circuit. | 03-13-2014 |
| 20140091782 | GALVANICALLY ISOLATED VOLTAGE MEASUREMENT - In a voltage measurement apparatus high—i.e. un-attenuated—voltages are connected to an attenuator | 04-03-2014 |
| 20140097824 | Current Measurement Via Gate of External Transistor - A control circuit for a switch, configured to measure the drain-to-source current of the switch is described. The control circuit is configured to control an external transistor and comprises a control pin coupled to the gate of an external transistor. The external transistor and a level shifting unit are coupled to the control pin and configured to isolate an AC current from the control pin; at a time instant subsequent to the first pulse duration, the isolated AC component of the voltage potential is indicative of a drain-to-source current through the external transistor. | 04-10-2014 |
| 20140103902 | Semiconductor Device Having Sensing Functionality - A semiconductor package includes a power semiconductor chip having a control electrode, a first load electrode and a second load electrode. The package also includes a first terminal conductor electrically coupled to the control electrode, a second terminal conductor electrically coupled to the first load electrode and a third terminal conductor electrically coupled to the second load electrode. Further, the package includes a temperature sensor electrically coupled to at least two of the first, second and third terminal conductor. | 04-17-2014 |
| 20140103903 | HELICAL SPRING, CONNECTOR, ELECTRODE AND ELECTROMETER - An object of the present invention is to provide a helical spring having a small spring constant, a connector, an electrode and an electrometer. Specifically, the spring constant is 2.0 gf/mm or smaller until the spring is compressed to 50% or more in an axis direction. | 04-17-2014 |
| 20140111183 | APPARATUS AND METHOD FOR MEASURING POWER COMSUMPTION BY USING SENSING TAG - An apparatus and method for measuring power using a sensing tag are provided. The power measuring apparatus includes a power sensing tag and a power measurement control system. The power sensing tag is installed in a line along which power is supplied to a load of a target device, and measures power consumed by the load. The power measurement control system receives power information measured by the power sensing tag from the power sensing tag, and determines power consumed by the load by using the measured power information. | 04-24-2014 |
| 20140117972 | CURRENT DETECTION CIRCUIT - Provided is a current detection circuit which can reduce the resistance loss for a current transformer, meeting the requirements for size and cost thereof. The current detection circuit includes a current transformer and a capacitor connected across a secondary winding of the current transformer, the capacitor making a phase adjustment such that the primary side current flowing through the primary winding of the current transformer and the voltage across the capacitor are in phase with each other. With this configuration, the primary side current can be detected as the voltage across the capacitor with no need for using a matching resistor, with which, if the winding ratio of the current transformer is small, the resistance loss will be large, whereby a current detection circuit of low loss using a current transformer which is small in size and low in cost can be configured. | 05-01-2014 |
| 20140125313 | ELECTRICAL MEASUREMENT APPARATUS HAVING A DETECTOR PROVIDING AN IDENTIFICATION SIGNAL AND CORRESPONDING METHOD - A three-phase toroidal current transducer comprises a cuboid detector body | 05-08-2014 |
| 20140132244 | FINGER VOLTAGE SENSOR - The present invention is a finger voltage sensor that includes a base finger ring worn by a user that works near an electrical source, an electricity sensor disposed on the base finger ring, the electricity sensor detects one or more electrical fields associated with the electrical source and a warning light disposed on the base finger ring, the warning light emits a constant light when the electricity sensor is activated and is in communication with the electricity sensor. The finger voltage sensor can also include a beeper instead of a warning light and a base finger ring that includes a hook and loop fastener that is releasably attached to a user's finger. | 05-15-2014 |
| 20140152292 | DECOMPOSITION AND MITIGATION OF A DISTURBANCE BEING PRESENT AT AN ELECTRIC CONNECTION BETWEEN AN ELECTRIC POWER GENERATING SYSTEM AND A POWER GRID - A disturbance on an electric signal at an electric connection between an electric power generating system and a power grid is decomposed into a first disturbance with a first strength assigned to the electric power generating system and a second disturbance with a second strength assigned to the power grid. A voltage value of a voltage of the electric signal is measured. A current value of a current of the electric signal is measured. A value of an open circuit voltage of an equivalent voltage source is calculated based on the measured voltage value, the measured current value and a characteristic equivalent impedance of the electric power generating system so that the electric power generating system is in a harmonic model. The strength of the first disturbance is determined based on the calculated value of the open circuit voltage of the equivalent voltage source. | 06-05-2014 |
| 20140167733 | SYSTEM AND METHOD FOR VOLTAGE AND CURRENT SENSING - In accordance with one aspect of the present disclosure, a current sensor configured to measure an AC current of a first conductor includes an outer coil having a first portion and a second portion. Each of the first and second portions are disposed about the first conductor passing through a center of the outer coil. The current sensor further includes an inner conductor disposed within the first and second portions of the outer coil and connected to each of the first and second portions of the outer coil. | 06-19-2014 |
| 20140176115 | Resonant Signal Sensing Circuit Having a Low Power Mode - An apparatus includes a sensor circuit to receive a varying signal at an input of the apparatus. The sensor circuit provides a sensor signal corresponding to a measurement of the varying signal. The apparatus further includes a timer circuit to generate a signal at various intervals of a plurality of intervals and a controller coupled to the sensor circuit. The controller has a first power mode and a second power mode, where the first power mode has a lower power consumption than the second power mode. The controller enters the second power mode in response to the signal from the timer circuit. The controller enables the sensor circuit, captures a plurality of measurements of the varying signal, and returns to the first power mode. | 06-26-2014 |
| 20140184193 | APPARATUS AND METHOD FOR SELECTING OPTIMUM ELECTRICAL POWER CONVERTER FOR VARIABLE POWER SOURCE - A method and apparatus use a programmable logic circuit to receive data representing environmental conditions such as irradiance, temperature, wind, snow, elevation, and the like, in a given location, to provide an input signal to a simulated variable power source which produces an output that approximates the output of a variable power source such as a photovoltaic panel that is subject to such environmental conditions. Power from the simulated variable power source is separately directed to each of a number of power converters and the efficiency of each power converter is tested to determine the optimum power converter for use with the variable power source in the given location. | 07-03-2014 |
| 20140184194 | MEASUREMENT APPARATUS AND ELECTRONIC DEVICE - Provided is a measurement apparatus that measures an input signal, comprising a plurality of first comparators that each receive the input signal, have a common first reference level set therein, and compare a signal level of the input signal to the first reference level; and a level-crossing timing detecting section that detects a level-crossing timing at which the signal level crosses the first reference level, based on comparison results of the first comparators. | 07-03-2014 |
| 20140184195 | POWER QUALITY MEASURING DEVICE USED IN DISTRIBUTION LINE FOR INTEGRATED VOLTAGE AND VAR CONTROL - A power quality measuring and controlling device used in a distribution line includes: a current-voltage sensor part converting a first voltage received through the distribution line into a second voltage, converting a first current into a second current, and signal-processing the converted second voltage and the converted second current and transmitting them by radio communications; and a power quality measuring part receiving the second voltage and the second current from the current-voltage sensor part by radio communications, comparing measured values of the second voltage and the second current with reference measured values, and transmitting only measured data belonging to the reference measured values to the centralized system located in a remote place by radio communications. | 07-03-2014 |
| 20140203796 | NANOELECTROMECHANICAL RESONATORS - A silicon device, e.g., a nanoelectromechanical resonator, has a silicon substrate; an oxide layer having a trench therein; a silicon device layer over the oxide layer; and a nanowire disposed at least partly over the trench. Substantially no oxide or polysilicon is over the nanowire in the trench. A polyimide layer over the silicon device layer includes an opening over the trench. A silicon device can include silicon-on-insulator layers and at least one complementary metal-oxide semiconductor transistor in addition to a nanowire substantially suspended over a trench. A system for measurement of a nanoresonator includes an AC source in series with the nanoresonator to provide an electrical signal thereto at a selected first frequency. Electrode(s) adjacent to and spaced apart from the nanoresonator are driven by voltage source. A detector detects a current through the nanoresonator. | 07-24-2014 |
| 20140203797 | SOCIAL CONTACT SENSING - A monitoring system comprises a module having at least one sensor which could be an electric-field sensor within a housing. The device may be durable or disposable. A receiver may be provided to obtain and display data from the module. The module may also display the output data. The output data comprises both detected and derived data relating to physiological and contextual parameters of the wearer and may be transmitted directly to a local recipient or remotely over a communications network. The system is capable of deriving and predicting the occurrence of a number of physiological and conditional states and events and reporting the same as output data. | 07-24-2014 |
| 20140210449 | METHOD FOR IDENTIFYING OPERATING MODE OF CHARGING/SUPPLYING SYSTEM BETWEEN VEHICLE AND EXTERIOR, AND SYSTEM FOR IDENTIFYING OPERATING MODE OF THE SYSTEM BY THE IDENTIFYING METHOD - An operating mode of a charging/supplying system in which a vehicle is connected with a first external device or a second external device via a connecting portion used in common in a charging mode in which an electric storage device installed on the vehicle is charged with electric power from the first external device and a supplying mode in which electric power is supplied from the vehicle to the second external device, and which is operable in a selected one of the charging mode and the supplying mode, is identified. More specifically, a plurality of detection values are detected from at least one electric connection channel provided between the vehicle and the first external device or the second external device via the connecting portion, and it is determined whether the operating mode of the charging/supplying system is the charging mode or the supplying mode, based on a combination of the plurality of detection values. | 07-31-2014 |
| 20140218007 | METHOD AND APPARATUS FOR PRECISION CPU MONITORING - Example embodiments of a processor current monitor include a switching voltage regulator including a series-connected LC filter including a first inductor, with the first inductor having an inductance value of L1, a first terminal coupled to a switch and a second terminal coupled to a first node, and with the LC filter further including a first capacitor, with the first capacitor having a capacitance value of C1, a first terminal coupled to the first node and a second terminal coupled to a second node, where the switch is configured to couple the inductor to an input voltage at a selected frequency and with the switching voltage regulator configured to supply an output current from the first node to a processor, an inductor current monitoring element | 08-07-2014 |
| 20140218008 | MONITORING POWER-RELATED PARAMETERS IN A POWER DISTRIBUTION UNIT - A power distribution unit (PDU) disposable in an electrical equipment rack. The PDU has a housing, a power input penetrating the housing, outlets in the housing, a processor disposed in the housing, voltage and current sensors, and a voltage calculation procedure communicable with the processor. The processor samples voltage and current waveforms and calculates RMS values and other power parameters. A method of managing electrical loads each drawing electrical power from a PDU includes repeatedly sampling voltage across and current flowing through each of the loads, calculating raw RMS values of voltage and current, and scaling the raw RMS values to obtain corrected RMS voltage and current values and other power parameters. | 08-07-2014 |
| 20140247036 | Utility Meter with Wireless Pulse Output - An arrangement for measuring electrical energy consumption includes an input circuit operable to generate a first signal representative of a line voltage waveform and a second signal representative of a line current waveform. The arrangement further includes a processing circuit operable to generate energy consumption data based on the first signal and the second signal. The processing circuit is further operable to generate a first pulse waveform having a plurality of output pulses based on the energy consumption data, each output pulse corresponding to a quantity of energy consumed. The arrangement further includes a wireless transmitter coupled to the processing circuit, the wireless transmitter configured to transmit an RF signal each time the first pulse waveform changes state. | 09-04-2014 |
| 20140253093 | SERVER RACK FOR IMPROVED DATA CENTER MANAGEMENT - Methods and systems for data center management include collecting sensor data from one or more sensors in a rack; determining a location and identifying information for each asset in the rack using a set of asset tags associated with respective assets; communicating the sensor and asset location to a communication module; receiving an instruction from the communication module; and executing the received instruction to change a property of the rack. | 09-11-2014 |
| 20140266151 | HIGH VOLTAGE INTERROGATOR PLUG WITH EXTERNAL GROUNDING - An interrogator plug for interfacing with the output socket of a pulsed power system to provide external leads engagable by a volt measurement device. The interrogator plug is sized to replicate a conventional plug such that the interrogator plug can be inserted into the output plug. The interrogator plug has lead assemblies positioned to engage the contacts of the output socket ordinarily engaged by conventional plugs. The interrogator plug can also include a divider circuit linked to a coaxial output for providing a reduced voltage current having an operational voltage safely measurable by conventional voltmeters. | 09-18-2014 |
| 20140266152 | ON-CHIP EYE DIAGRAM CAPTURE - An eye diagram capture device includes a delay line arranged to receive a digital signal and output time delayed version of the digital signal. An edge detection circuit is arranged to receive the digital signal and the time delayed version of the digital signal, the edge detection circuit operating to output a signal corresponding to a logical value of the digital signal received coincident with an edge of the time delay version of the digital signal. A voltage comparator is arranged to receive the digital signal and a reference voltage. The voltage comparator operates to output a first signal when the a voltage of the digital signal and the reference voltage are equal to each other. | 09-18-2014 |
| 20140285177 | MOBILE CURRENT MEASUREMENT EQUIPMENT, CURRENT MEASUREMENT TERMINAL AND CURRENT MEASUREMENT METHOD - A mobile current measurement apparatus, a current measurement terminal, and a current measurement method are provided. More particularly, the present disclosure provides a mobile current measurement apparatus, a current measurement terminal, and a current measurement method capable of measuring a current of a Device-Under-Test (DUT) by using a wireless short distance communication. The method of measuring a current by a current measurement apparatus includes detecting a voltage converted from a current of a device-under-test, compensating the detected voltage by using a voltage offset generated by an amplifier of the current measurement apparatus, and measuring the current of the device-under-test based on the compensated voltage. | 09-25-2014 |
| 20140285178 | SYSTEM AND METHOD OF SENSING CURRENT IN A POWER SEMICONDUCTOR DEVICE - A current sensor to be connected in series with a power semiconductor device between a voltage supply terminal and ground. The current sensor includes a first terminal to be coupled to the power semiconductor device, a second terminal to be coupled to one of the voltage supply terminal and ground, and a current mirror. The current mirror includes a first MOSFET and a second MOSFET each having a source, a drain, and a gate. The source of the first MOSFET is connected to the source of the second MOSFET and to the second terminal, the drain of the first MOSFET is connected to the first terminal, and the gate of the first MOSFET is connected to the gate of the second MOSFET. | 09-25-2014 |
| 20140292304 | METHOD, SENSOR AND SYSTEM FOR ANALYZING APPLIANCES IN A POWER LINE NETWORK - A method for analyzing appliances in a power line network comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, extracting a line-neglecting feature from the electrical characteristic of the power line network, and detecting an appliance connected to the power line network based on the extracted line-neglecting feature. | 10-02-2014 |
| 20140306686 | User Mountable Utility Location Antenna - A utility location antenna arrangement for mounting to a user can include at least one antenna element, and the arrangement can be mounted to the user in a hands-free manner. At least a portion of the arrangement can be mounted to at least one of an article of clothing worn by the user and a body part of the user. | 10-16-2014 |
| 20140306687 | SYSTEM AND METHOD FOR MEASURING AN INTEGRATED CIRCUIT AGE - A system and method are provided for measuring an integrated circuit age. A first clock generator is provided for generating a first dock signal. Additionally, a second clock generator is provided for generating a second clock signal. Further, a phase detector is provided that is in communication with the first dock generator and the second dock generator. The phase detector is operable for receiving the first clock signal from the first clock generator and the second clock signal from the second dock generator, and outputting a phase difference signal. Still yet, a circuit is provided that is in communication with the phase detector and the first clock generator. The circuit is operable for receiving the first clock signal from the first clock generator and the phase difference signal from the phase detector. The circuit is further operable for synchronizing the phase difference signal from the phase detector with the first dock signal from the first clock generator. Moreover, the phase difference signal is capable of being used as a measure of an integrated circuit age. | 10-16-2014 |
| 20140312877 | AC/DC-Sensitive Residual Current Protective Device (RCD) With Parameter Configuration - A residual current protective device (RCD) and a method for AC/DC-sensitive differential current measurement with a voltage-dependent functional unit, which includes an AC/DC-sensitive differential current measuring device, has a current sensor and an AC/DC-sensitive current detection module. A microcontroller configures the voltage-dependent functional unit and evaluates the differential current detected by the AC/DC-sensitive differential current measuring device. | 10-23-2014 |
| 20140312878 | METHOD FOR INDEXING DIES COMPRISING INTEGRATED CIRCUITS - Indexing a plurality of die obtainable from a material wafer comprising a plurality of stacked material layers. Each die is obtained in a respective position of the wafer. A manufacturing stage comprises at least two steps for treating a respective superficial portion of the material wafer that corresponds to a subset of said plurality of dies using the at least one lithographic mask through the exposition to the proper radiation in temporal succession. The method may include providing a die index on each die which is indicative of the position of the respective die by forming an external index indicative of the position of the superficial portion of the material wafer corresponding to the subset of the plurality of dies including said die and may comprise a plurality of electronic components electrically coupled to each other by means of a respective common control line. | 10-23-2014 |
| 20140312879 | METHOD TO REALIZE ELECTRONIC FIELD-EFFECT TRANSISTOR SENSORS - A transistor includes at least one conductive layer, at least one gate dielectric layer and at least one semiconducting film deposited on top of a receptor molecule layer previously deposited or covalently linked to the surface of the gate dielectric. The layer of biological material includes single or double layers of phospholipids, layers made of proteins such as receptors, antibodies, ionic channels and enzymes, single or double layers of phospholipids with inclusion or anchoring of proteins such as: receptors, antibodies, ionic channels and enzymes, layers made of oligonucleotide (DNA, RNA, PNA) probes, layers made of cells or viruses, layers made of synthetic receptors for example molecules or macromolecules similar to biological receptors for properties, reactivity or steric aspects. | 10-23-2014 |
| 20140312880 | WIRELESS LAMP POWER SUPPLY DETECTION SYSTEM AND METHOD - A wireless lamp detection system ( | 10-23-2014 |
| 20140320109 | CURRENT DETECTION - A method of detecting an electric current through a main bearing of a rotating system comprising: a hub; a plurality of blades connected to the hub; at least one electrical motor arranged at the hub; a main shaft attached to the hub and enclosing cabling for providing electrical power to the at least one electrical motor; a bearing housing attached to a metallic structure acting as electrical earth; and a main bearing having an inner ring attached to the main shaft and an outer ring attached to the bearing housing, the method comprising the steps of: providing a first measurement device for determining a measure indicative of an electric current in the main shaft at a first location on a side of the main bearing facing the hub; providing a second measurement device for determining a measure indicative of an electric current in the main shaft at a second location on a side of the main bearing facing away from the hub; determining a measure indicative of a difference between a first current flowing through the main shaft at the first location and a second current flowing through the main shaft at the second location, the difference being indicative of the electric current through the main bearing. | 10-30-2014 |
| 20140327428 | DETECTING DEVICE AND METHOD, AND PROGRAM - The present invention relates to a detecting device and method, and a program which can detect a power state easily at low cost. A current transformer measures current of a commercial power system from a commercial power supply through a connection point of the commercial power system and a power generation system from a solar power generation system that supplies power having the same frequency as the commercial power supply. A current transformer measures power at the power generation system side through the connection point. A decision value calculator calculates a decision value based on a value obtained through multiplication of a measured value of current through the current transformer and through the current transformer. A flow detector detects a power flow of the commercial power system based on the calculated value. The present invention can be applied to a power measuring system for use in homes, for example. | 11-06-2014 |
| 20140333282 | VOLTAGE AND/OR CURRENT SENSING DEVICE FOR LOW-, MEDIUM- OR HIGH VOLTAGE SWITCHING DEVICES - A voltage and/or current sensing device for low-, medium- or high voltage switching devices is disclosed as a constructively enhanced measuring device with high performance for use in switching devices. The sensing device can include a first voltage sensing part, a second voltage sensing part and a current sensing part all arranged in a same common single housing separated, from the switching device, in a way that an output wire from the first voltage sensing part, for sensing voltage at an upper terminal of the switching device, is located close to the current sensing part, the output wire being applied with an insulating cover, and mechanically fixed to the current sensor part, and/or the output wire being implemented in an isolation body, and only located near to the current sensing part. | 11-13-2014 |
| 20140333283 | Electrical Energy Measuring System For A Mobile Electrical Power System - An energy measuring system for a mobile electrical power system has an electrical energy storage connected to at least one to an electrical energy receiver and/or an electrical energy source, and to an output connectable to a stationary electrical power system. A measuring system includes a first register for measured signals of electrical energy flowing between the mobile storage and the stationary system and a second register for measured signals of electrical energy flowing within the mobile system between the storage and the receiver and/or the source. A switch system transfers a signal from one of its inputs, which is connected to the output of a signal processor, | 11-13-2014 |
| 20140333284 | Flexible Current Sensor Arrangement - A flexible current sensor arrangement comprises a plurality of discrete current sensing elements distributed along an elongate flexible carrier. An elongate flexible member for a current sensor arrangement comprises a plurality of carrying portions linked to one another by hinge portions, each carrying portion being configured for receiving a discrete current sensing element. A method of manufacturing a flexible current sensor arrangement comprises providing an elongate flexible carrier, and distributing a plurality of discrete sensing elements along the elongate flexible carrier. | 11-13-2014 |
| 20140340072 | SENSOR DEVICES AND METHODS FOR USE IN SENSING CURRENT THROUGH A CONDUCTOR - A utility meter and related methods are disclosed. The utility meter includes a sensor device positioned around a conductor to sense current flowing through the conductor. The sensor device includes a non-magnetic substrate, a coil comprising a plurality of turns wound about the substrate, and a dielectric material having a dielectric constant and positioned between the coil and the conductor. The utility meter also includes a meter control board in communication with the sensor device to determine an amount of electricity transmitted through the conductor from the power source to the user over time. The dielectric constant of the dielectric material is selected to reduce a capacitive coupling between the coil and the conductor and to reduce a sensitivity of the sensor device such that the meter control board comprises only one calibration coefficient for calibrating the sensor device over a current range. | 11-20-2014 |
| 20140347033 | MEASURING ARRANGEMENT - A measuring arrangement for determining at least one measured variable with a sensor device ( | 11-27-2014 |
| 20140347034 | AC INPUT VOLTAGE INTERRUPTION DETECTION METHOD AND CIRCUIT - A selector circuit selects either a class upper-limit voltage or a class lower-limit voltage as a reference voltage of a comparator. A control logic controls the selector circuit, and generates a count-up signal or a count-down signal in accordance with the output of the comparator. An up/down counter counts up upon reception of the count-up signal from the control logic, and counts down upon reception of the count-down signal. A digital-analog converter outputs the class upper-limit voltage and the class lower-limit voltage in accordance with a digital value that is outputted by the up/down counter. A timer circuit is configured to be reset by the count-up signal from the control logic to the up/down counter. | 11-27-2014 |
| 20140368183 | SYSTEM AND METHOD FOR LINEAR MEASUREMENT OF AC WAVEFORMS WITH LOW VOLTAGE NON-LINEAR SENSORS IN HIGH VOLTAGE ENVIRONMENTS - A method of correcting the non-linearity of a sensor on a linear, high voltage power line comprises removably fixing a sensor on a conductor carrying an AC signal amplifying the current signal and calculating and calibrating a desired gain such that a non-linear signal from the sensor is converted to a linear signal. | 12-18-2014 |
| 20140375300 | PRINTED CIRCUIT BOARD, ELECTRONIC APPARATUS AND COMPONENT DETECTION METHOD - A printed circuit board includes: a substrate, in which a hole for fixing a component is formed, in a first region, which is a region in which the component is detachably installed; a plurality of electrodes that are formed in the first region on the substrate; and a detection circuit that outputs detection signal corresponding to an aspect of an electrical connection between the plurality of electrodes and a fixing member that is fixed in the hole for installing the components on the substrate. | 12-25-2014 |
| 20150008897 | SCANNING UNIT FOR SCANNING A SCALE AND POSITION-MEASURING DEVICE - A scanning unit adapted for scanning a measuring graduation of a scale for purposes of position measurement in a measurement direction includes a housing having a detector configured to generate position-dependent scanning signals. An electrical lead passes out through the housing in the measurement direction. A rotatable member, in which the electrical lead is routed, has a first section extending in the measurement direction and a second section extending in a second direction at an angle relative to the measurement direction. The rotatable member is rotatably mounted on the housing about an axis of rotation extending in the measurement direction. | 01-08-2015 |
| 20150015233 | TRACKING ENERGY CONSUMPTION USING A BUCK-BOOSTING TECHNIQUE - The invention relates to an apparatus and method for tracking energy consumption. An energy tracking system comprises at least one switching element, at least one inductor and a control block to keep the output voltage at a pre-selected level. The switching elements are configured to apply the source of energy to the inductors. The control block compares the output voltage of the energy tracking system to a reference value and controls the switching of the switched elements in order to transfer energy for the primary voltage into a secondary voltage at the output of the energy tracking system. The electronic device further comprises an ON-time and OFF-time generator and an accumulator wherein the control block is coupled to receive a signal from the ON-time and OFF-time generator and generates switching signals for the at least one switching element in the form of ON-time pulses with a constant width ON-time. | 01-15-2015 |
| 20150015234 | CONTACT VOLTAGE DETECTION SYSTEM AND METHOD - An electrical safety system and associated method may be used on an electrical enclosure containing phase to phase and phase to ground electricity. The system includes a volt meter having a probe and a receptacle having a number of ports adapted to receive the probe of the volt meter. The receptacle is mounted to a panel, cabinet or enclosure having at least one conducting wire therein. The method allows a worker to use a contact voltage detector to check for the presence or absence of voltage inside the closed electrical panel. | 01-15-2015 |
| 20150015235 | Method and Device for Measuring Current at a Converter - In a method and device for measuring current at a converter, the prevailing phase current is determined at the output of the converter by current-measuring devices, in order to supply it to a closed-loop control device assigned to the converter. The prevailing phase current to be ascertained at an output of the converter is measured independently at two current-measuring devices, and the measuring results of both current-measuring devices are utilized to determine the prevailing phase current. | 01-15-2015 |
| 20150015236 | CONSUMER CONSUMPTION MONITORING SYSTEM - A consumer consumption monitoring system includes a plurality of measurement devices disposed in corresponding supply paths of coupled consumer devices located within a building. A network node circuit coupled to the plurality of measurement devices retrieves measurement data from the plurality of measurement devices, and stores and analyzes the measurement data over time to develop one or more consumer device consumption profiles. | 01-15-2015 |
| 20150028848 | Wireless Monitoring of Power Draw from Individual Breakers Within a Circuit Breaker Panel - Disclosed herein is hardware that can be fitted to a pre-existing circuit breaker panel to allow for the monitoring of power draws in the various circuit breaker branches, which hardware includes current transducers coupled to a wireless hub. The current transducers are coupled to the wires proceeding from each of the circuit breaker branches. The hub computes the power draws for each of the branches using the information provided by the CT as well as the AC input voltages provided to the panel. The hub reports these power draws to an Internet gateway, where the results can be viewed at a web server. The web server may also comprise an analysis module that reviews present and historical power draw data to provide useful power consumption information to a customer for example. | 01-29-2015 |
| 20150028849 | INDUCTIVE POWER TRANSFER SYSTEM AND METHOD - Foreign object detection apparatus for an IPT system, includes a control means adapted to detect the presence of a foreign object on or adjacent to an IPT primary pad of the system. | 01-29-2015 |
| 20150028850 | METHOD FOR CALIBRATING A CURRENT TRANSDUCER OF THE ROGOWSKI TYPE - An exemplary method for calibrating a current transducer of the Rogowski type including a Rogowski coil sensor and an electronic device is performed by determining and correcting the sensitivity of the current transducer of the Rogowski type through the measurement of the self-inductance L | 01-29-2015 |
| 20150042308 | FAST HIGH-SIDE POWER FET GATE SENSE CIRCUIT FOR HIGH VOLTAGE APPLICATIONS - A circuit for sensing gate voltage of a power FET. A switching circuit includes a switching FET having a high voltage rating, its drain coupled to the gate of the power FET, and its source coupled to an output node. A first feedback loop is coupled to the gate of the switching FET to facilitate sensing rising gate voltage. A second feedback loop is coupled to the gate of the switching FET to facilitate sensing falling gate voltage. | 02-12-2015 |
| 20150042309 | FAR ELECTROMAGNETIC FIELD ESTIMATION METHOD AND APPARATUS, AND NEAR ELECTROMAGNETIC FIELD MEASUREMENT APPARATUS - A far electromagnetic field estimation method includes assuming a measurement surface, setting a plurality of measurement points on the measurement surface, and measuring electromagnetic fields at the plurality of measurement points. The measurement surface in combination with a ground plane forms a closed surface surrounding a radiation source. A virtual observation point is outside a space formed inside the closed surface. Further, electromagnetic fields at a plurality of mirror image measurement points on a mirror image measurement surface having a plane-symmetrical relationship with the measurement surface are calculated on the basis of the electromagnetic fields at the plurality of measurement points. Then, a far electromagnetic field at the virtual observation point is estimated on the basis of the electromagnetic fields at the plurality of measurement points and at the plurality of mirror image measurement points. | 02-12-2015 |
| 20150048814 | Absence of Voltage Indicator with Communication Network Based Secondary Power Source - A system for the detection and indication of both the absence and presence of voltage is described. The system has a voltage detector module, a voltage indicator module, and a communication network based continuous secondary power source configured to enable the voltage indicator module to positively indicate the absence of voltage in the primary circuit. In some embodiments, the system can positively indicate the presence of voltage in the primary circuit such that the positive detection and indication is powered by the primary circuit itself. In some embodiments, the positive detection and indication of voltage can also be powered by the communication network based secondary power source. | 02-19-2015 |
| 20150054488 | CABLE LENGTH DETERMINATION USING VARIABLE-WIDTH PULSES - A method of determining the length of a cable coupled to a transceiver of a network device includes transmitting a first series of pulses of a first pulse width onto a cable, receiving reflections of the first series of pulses, transmitting a second series of pulses of a second pulse width onto the cable, and receiving reflections of the second series of pulses. The second pulse width is wider than the first pulse width. It is determined whether the reflections of the first series of pulses satisfy a criterion. The length of the cable is calculated using either the reflections of the first series of pulses or the reflections of the second series of pulses, based at least in part on whether the reflections of the first series of pulses satisfy the criterion. | 02-26-2015 |
| 20150054489 | POWER SUPPLY DETECTING CIRCUIT - A power supply detecting circuit includes a power supply module configured to receive a first voltage signal from an alternating current (AC) power source; a voltage converting circuit configured to convert the first voltage signal to a second voltage signal; a switch circuit connected to an output terminal of the voltage converting circuit; a micro control unit (MCU) connected to the switch circuit; and a display module connected to the MCU. The switch circuit outputs a detecting signal to the MCU according to the second voltage signal. The MCU determines whether the first voltage signal is within a predetermined range according to the detecting signal and sending a detecting result to the display module which displays the detecting result. | 02-26-2015 |
| 20150061637 | NEGATIVE VOLTAGE MEASUREMENT - A method of measuring a negative voltage using a device including a first transistor and a second transistor is provided. The first transistor is coupled to the second transistor and the negative voltage is supplied to a gate of the second transistor. A plurality of voltages are provided to a source input of the device. For each voltage of the plurality of voltages, whether a first voltage across the first transistor is equivalent to a second voltage across the second transistor is determined, and, when the first voltage across the first transistor is equivalent to the second voltage across the second transistor, the negative voltage is determined by measuring a magnitude of a positive voltage of the device. | 03-05-2015 |
| 20150061638 | APPARATUS AND METHOD FOR AUTOMATIC POWER METERING - An apparatus for automatic power metering within a device is provided. The apparatus includes a metering element and communication elements. The metering element is coupled to a power factor correction circuit at one or more nodes within the device, and is configured to measure and process values on the nodes to generate one or more metering metrics for the device. The metering data includes input power consumed by the device, output power transferred to a load of the device, and power factor corresponding to the device. The communication elements are configured to receive the one or more metering metrics, and are configured to transmit the one or more metering metrics over a communications channel. | 03-05-2015 |
| 20150069993 | APPARATUS FOR MONITORING AND DIAGNOSING POWER TRANSMISSION LINE - There is provided a power transmission line monitoring apparatus installed on a power transmission line to monitor a geomagnetically induced current (GIC) flowing along the power transmission line. The power transmission line monitoring apparatus includes: a main body installed on a power transmission line; a sensing unit embedded in the main body to sense a geomagnetically induced current flowing along the power transmission line; a data collecting and processing unit embedded in the main body and connected to the sensing unit to collect geomagnetically induced current data sensed by the sensing unit and process the collected geomagnetically induced current data; and a wireless communication modem embedded in the main body and connected to the data collecting and processing unit to transmit the data processed by the data collecting and processing unit to a remote data collecting device. | 03-12-2015 |
| 20150069994 | Timing Skew Characterization Apparatus and Method - A device comprises a coarse timing skew characterization circuit having a buffer chain and a coarse delay cell calibration circuit comprising a first flip-flop, a second flip-flop and a logic gate, wherein the coarse delay cell calibration circuit is configured to measure a delay between an input of the buffer chain and an output of the buffer chain. | 03-12-2015 |
| 20150069995 | CURRENT BALANCING, CURRENT SENSOR, AND PHASE BALANCING APPARATUS AND METHOD FOR A VOLTAGE REGULATOR - Described are apparatuses and methods of current balancing, current sensing and phase balancing, offset cancellation, digital to analog current converter with monotonic output using binary coded input (without binary to thermometer decoder), compensator for a voltage regulator (VR), etc. In one example, apparatus comprises: a plurality of inductors coupled to a capacitor and a load; a plurality of bridges, each of which is coupled to a corresponding inductor from the plurality of inductors; and a plurality of current sensors, each of which is coupled to a bridge to sense current through a transistor of the bridge. | 03-12-2015 |
| 20150077087 | AUTOMATIC DETECTION OF EXPANSION COMPONENT IRRIGATION CONTROLLER - The disclosure extends to apparatuses, methods, systems, and computer program products for generating and optimizing irrigation protocols. The disclosure also extends to a system and method for detecting an expansion module in an irrigation system in accordance with the disclosed methods, systems, and computer program products for optimizing water usage in growing plants for yard and crops. | 03-19-2015 |
| 20150077088 | VOLTAGE SENSOR SYSTEMS AND METHODS - An exemplary embodiment of the present invention provides a floating voltage sensor system comprising a metallic enclosure, a conductive sensor plate, a signal conditioning circuit, and a microcontroller unit. The metallic enclosure can be configured for electrical communication with an asset carrying a voltage. The conductive sensor plate can be positioned adjacent to a surface of the metallic enclosure, such that the conductive plate and the surface of the metallic enclosure are not in contact with each other. The signal conditioning circuit can comprise a first connection point and a second connection point. The first connection point can be in electrical communication with the conductive sensor plate. The second connection point can be in electrical communication with the metallic enclosure. The microcontroller unit can be configured to receive an output of the signal conditioning circuit and measure the voltage of the asset. | 03-19-2015 |
| 20150077089 | VOLTAGE DETECTION DEVICE - A voltage detection device that detects a decrease in an output voltage of a power supply device, includes a first voltage-dividing circuit that divides the output voltage of the power supply device, a first constant-voltage circuit that converts the output voltage of the power supply device into a predetermined voltage, a second constant-voltage circuit that converts the output voltage of the power supply device into a predetermined voltage lower than an output voltage of the first constant-voltage circuit, a comparator that receives output voltages of the first voltage-dividing circuit and the second constant-voltage circuit, and a detection circuit that detects the decrease in the output voltage of the power supply device. The detection circuit detects a decrease in the output voltage in a higher-voltage region, and detects a decrease in the output voltage in a lower-voltage region. | 03-19-2015 |
| 20150077090 | LINE VOLTAGE DETECTION CIRCUIT - A first filter outputs a first signal in response to receiving an input signal. The first signal has a first state in response to the input signal reaching a first threshold voltage on a leading edge of the input signal, and a second state in response to the input signal reaching the first threshold voltage on a trailing edge of the input signal. A second filter outputs a second signal in response to receiving the input signal. The second signal has the first state in response to the input signal reaching a second threshold voltage on the leading edge of the input signal, and the second state in response to the input signal reaching the second threshold voltage on the trailing edge of the input signal. A detection circuit determines, based on times when the first and second thresholds are reached, whether the input signal is received from a triac. | 03-19-2015 |
| 20150091546 | POWER MEASUREMENT ANALYSIS OF PHOTOVOLTAIC MODULES - A method of measuring a current-voltage (IV) characteristic for a photovoltaic (PV) device is described. The method includes providing a PV module for measuring an IV characteristic; exposing the PV module to a solar electromagnetic (EM) spectrum; and acquiring an IV data point on the IV characteristic. The acquisition of an IV data point includes measuring plural IV segments by repetitively applying and sweeping a voltage across the PV module from a unique initial voltage to a target voltage within a time scale for exposing said PV module to the solar EM spectrum, and interpreting a measured current at the target voltage as the IV data point on the IV characteristic if the plural IV segments converge at the target voltage. | 04-02-2015 |
| 20150102799 | JITTER DETERMINATION OF NOISY ELECTRICAL SIGNALS - A jitter analysis system includes an electronic circuit having a noisy electrical signal with jitter along a baseline of the signal. The jitter analysis system also includes a sampling unit coupled to the noisy electrical signal that provides waveform samples of the noisy electrical timing signal and a jitter detection unit coupled to the sampling unit that provides baseline crossings of the noisy electrical signal, wherein the baseline crossings are determined from a selection of the waveform samples proximate the baseline of the signal. A jitter determination method is also provided. | 04-16-2015 |
| 20150102800 | SYSTEM AND METHOD FOR DETECTING BRANCH CIRCUIT CURRENT - According to one aspect, embodiments of the invention provide a system monitor for a load center comprising a current sensor configured to be coupled to a circuit branch within the load center and to produce a measurement signal having a level related to a current level of the circuit branch, a sensor circuit coupled to the current sensor and removably coupled to a terminal, the sensor circuit configured to provide the measurement signal to the terminal, and a controller coupled to the terminal and configured to monitor signals at the terminal, wherein the controller is further configured to detect disconnection of the current sensor from the terminal based on a signal level at the terminal. | 04-16-2015 |
| 20150123647 | SELF-SENSING DIELECTRIC ELASTOMER DEVICE - The invention provides circuits, systems and methods for dielectric elastomer device (DED) self-sensing. The circuit comprises a first DED coupled or adapted for coupling to a first voltage source (for providing an actuating or priming signal, for example); a current sensor provided in series with the first DED; and an oscillating signal source coupled to the first DED and adapted to cause an oscillation in a voltage across the DED, wherein the oscillating signal source is decoupled from the first voltage source. | 05-07-2015 |
| 20150123648 | DEVICES AND METHODS FOR DETECTING USB DEVICES ATTACHED TO A USB CHARGING PORT - Methods and devices for detecting USB devices attached to a USB charging port including a USB port having a first data line D+, a second data line D−, and a power line are disclosed. A USB device is attached to the USB port; applying power to the USB device by the power line; applying a first voltage to the line D+ at the USB port by a first impedance; applying a second voltage to the line D− at the USB port by a second impedance. The voltages on the line D+ and the line D− are then monitored at the USB port. If the voltage on the line D+ is approximately equal to a first predetermined value for a predetermined period and the voltage on the line D− is below a second predetermined value, then the USB device is determined to be of an alpha type device. | 05-07-2015 |
| 20150130441 | DETECTION DEVICE AND METHOD FOR ELECTRONIC DEVICE - A detection method for an electronic device having a chip is disclosed. The method includes: obtaining, at a detection device, a voltage of at least one signal pin of a chip coupled to the detection device; converting, at the detection device, the obtained voltage to one or more digital voltage signals; and determining, at the detection device, if the one or more digital voltage signals are in a predetermined voltage range in which the chip is correctly operational. | 05-14-2015 |
| 20150137791 | DEVICES AND METHODS FOR FACILITATING USB CHARGER DETECTION - Electronic devices are adapted to facilitate detection of a type of USB charger to which an electronic device is connected. According to one example, an electronic device can apply a current source to a data line of a USB plug coupled to a USB port. A determination can be made whether the data line has gone to a LOW state or remained at a HIGH state after a predetermined period of time. If the data line has gone to a LOW state, the USB port may be identified as a downstream port, such as a standard downstream port (SDP) or a charging downstream port (CDP). If the data line has remained at the HIGH state, the USB port may be identified as a dedicated charging port (DCP), no matter if it is compliant or non-compliant with the BC 1.2 spec. Other aspects, embodiments, and features are also included. | 05-21-2015 |
| 20150137792 | POWER CONSUMPTION MONITORING APPARATUS - The invention relates to a power consumption monitoring apparatus ( | 05-21-2015 |
| 20150309091 | MILLIMETER-WAVE TRANSMITTER ON A CHIP, METHOD OF CALIBRATION THEREOF AND MILLIMETER-WAVE POWER SENSOR ON A CHIP - The present invention relates to a millimeter-wave transmitter on a chip comprising at least one transmit path coupleable to an oscillator, and an on-chip power sensor to measure at least a portion of a transmit power transmitted over the at least one transmit path. The present invention further relates to a method of calibrating a millimeter-wave transmitter on a chip and an on-chip power sensor coupleable to at least one transmit path of a millimeter-wave transmitter. The embodiments of the present invention provide a direct measure of transmit power provided within an individual one of the transmit paths of the millimeter-wave transmitter. | 10-29-2015 |
| 20150362534 | SIGNAL MONITORING OF THROUGH-WAFER VIAS USING A MULTI-LAYER INDUCTOR - According to a method herein, a multi-level inductor is created around a through-silicon-via (TSV) in a semiconductor substrate. A voltage induced in the multi-level inductor by current flowing in the TSV is sensed, using a computerized device. The voltage is compared to a reference voltage, using the computerized device. An electrical signature of the TSV is determined based on the comparing the voltage to the reference voltage, using the computerized device. | 12-17-2015 |
| 20160011244 | SYSTEMS AND METHODS FOR IMPROVING THE RANGE OF SENSOR SYSTEMS | 01-14-2016 |
| 20160025780 | ALTERNATING CURRENT DETECTOR WITH AUTOMATICALLY JUDGING OF THE AMOUNT OF ELEMENT UNDER TESTING AND MONITORING - An alternating current detector with automatic judging of the amount of element under testing and monitoring, comprising a detecting input unit, a first output level unit, a second delay unit, a second output level unit and a cascade next element unit. The detecting input unit comprises a first delay unit and a first inverter. The first delay unit receives and delays an input signal. The input terminal of the first inverter is connected to the first delay unit and inverts the input signal. The first output level unit comprises a first NAND gate, a first diode and first resistor. The input terminal of the first NAND gate is connected to the alternating current signal of an element, another input terminal of the first NAND gate is connected to the output terminal of the first inverter. | 01-28-2016 |
| 20160033557 | ASSEMBLY OF CURRENT SENSOR AND POWER CONDUCTOR - An assembly of a current sensor and a power conductor may include a first conductor, a second conductor spaced apart from the first conductor, a third conductor connecting one end of the first conductor to one end of the second conductor, and a fourth conductor vertically spaced apart from the third conductor and connecting one end of the first conductor to one end of the second conductor, a fixed space being defined between the third and fourth conductors. | 02-04-2016 |
| 20160033937 | EEPROM CELL WITH CHARGE LOSS - An EEPROM memory cell includes a dual-gate MOS transistor in which the two gates are separated by an insulation layer. The insulation layer includes a first portion and a second portion having lower insulation properties than the first one. The second portion is located at least partially above a channel region of the transistor. | 02-04-2016 |
| 20160049944 | SEMICONDUCTOR DEVICE, MEASUREMENT DEVICE, AND CORRECTION METHOD - A semiconductor device includes an oscillator that oscillates at a specific frequency, a semiconductor integrated circuit that integrates a temperature sensor that detects a peripheral temperature, and a controller that is electrically connected to the oscillator and that corrects temperature dependent error in the oscillation frequency of the oscillator based on the temperature detected by the temperature sensor and a sealing member that integrally seals the oscillator and the semiconductor integrated circuit. | 02-18-2016 |
| 20160109487 | Current sampling circuit and method - Disclosed is a current sampling circuit including a proportional current output circuit and a full differential common mode negative feedback circuit, specifically the proportional current output circuit is configured to calculate a current output from a power device according to a preset proportion to obtain a first proportional current and a second proportional current, and to output the first proportional current and the second proportional current to the full differential common mode negative feedback circuit; and the full differential common mode negative feedback circuit is configured to shunt respectively the first proportional current and the second proportional current using a full differential common mode negative feedback network with a bias current in microamps to obtain a first sampling current and a second sampling current, and to output constantly the first sampling current and the second sampling current. Further disclosed is a current sampling method. | 04-21-2016 |
| 20160109488 | MEASURING OUTPUT CURRENT IN A BUCK SMPS - A sample and hold circuit takes a sample of the current flowing through an inductor of a buck switched-mode power supply (SMPS) at substantially the middle of the low side portion (50 percent point during low side switch ON) of the pulse width modulation (PWM) period. This sample of the current through the SMPS inductor during the low side ON 50% point may be considered as the “average” or “DC output” current of the SMPS, and taken every time at precisely the same low side ON 50%. A constant current source and sink are used to charge and discharge a timing capacitor whose voltage charge is monitored by a high speed voltage comparator to provide precise sample timing. | 04-21-2016 |
| 20160118882 | Controlling Voltage Generation and Voltage Comparison - An integrated circuit has voltage generating circuitry for generating an on-chip voltage from a supply voltage in response to clock pulses. Clock control circuitry controls transmission of the clock pulses to the voltage generating circuitry. The clock control circuitry receives a reference voltage and a digital offset value comprising a binary numeric value identifying an offset. The clock control circuitry suppresses transmission of the clock pulses if the on-chip voltage is greater than the sum of the reference voltage and the offset identified by the digital offset value, to reduce power consumption. The offset can be tuned digitally to vary the average level of the on-chip voltage. A similar digital tuning mechanism may be used in a clocked comparator to compare a first voltage with a digitally tunable threshold voltage. | 04-28-2016 |
| 20160124027 | HIGH SPEED TRACKING DUAL DIRECTION CURRENT SENSE SYSTEM - A tracking current sense system is described that includes a first current tracking system, a second current tracking system, and a pre-biasing device. The first current tracking system is configured to replicate a first current flowing through a first switch and the second current tracking system is configured to replicate a second current flowing through a second switch. The pre-biasing device is configured to pre-bias the second current tracking system based on first information detected at the first current tracking system that is indicative of the first current and also, pre-bias the first current tracking system based on second information detected at the second current tracking system that is indicative of the second current. | 05-05-2016 |
| 20160131686 | APPARATUSES INCLUDING UTILITY METER, POWER ELECTRONICS, AND COMMUNICATIONS CIRCUITRY, AND RELATED METHODS OF OPERATION - Apparatuses including utility meter, power electronics, and communications circuitry are provided. The utility meter circuitry is configured to measure usage of electricity supplied by an electric utility to a premise of a customer of the electric utility. The power electronics circuitry is configured to regulate a voltage level supplied to the premise of the customer. Moreover, the communications circuitry is configured to provide communications with a first electronic device of the customer at the premise of the customer and to provide communications with a second electronic device that is upstream from the apparatus. Related methods of operating an apparatus including utility meter, power electronics, and communications circuitry are also provided. | 05-12-2016 |
| 20160131708 | ON-CHIP EYE DIAGRAM CAPTURE - A system for capturing an eye diagram is disclosed. In various embodiments, the system includes: a delay line arranged to receive a digital signal and output a time delayed version of the digital signal; an edge detection circuit arranged to receive the digital signal and the time delayed version of the digital signal, the edge detection circuit operating to output a signal corresponding to a logical value of the digital signal received coincident with an edge of the time delay version of the digital signal; a voltage comparator arranged to receive the digital signal and a reference voltage, the voltage comparator operating to output a first signal when a voltage of the digital signal and the reference voltage are equal to each other; and a controller that includes: an edge detection circuit receiver connected to receive the output signal from the edge detection circuit; a delay line control circuit connected to provide a delay time control signal to the delay line; a voltage comparator receiver connected to receive the first signal from the voltage comparator; and a voltage control unit connected to provide a controlled voltage to the voltage comparator. | 05-12-2016 |
| 20160139183 | METHOD AND APPARATUS FOR ZERO CURRENT DETECTION - This application discusses, among other things, zero current detection. In an example, a circuit for zero current detection can include a compensating circuit and a detecting circuit. The compensating circuit can be configured to feed back a compensating voltage to the detecting circuit according to an output voltage of a DC-DC converting circuit. The detecting circuit can be configured to dynamically adjust an intentional offset voltage according to the compensating voltage, and to perform zero current detection of the DC-DC converting circuit according to the adjusted Voffset. | 05-19-2016 |
| 20160154029 | ELECTRICAL SIGNAL MEASUREMENT | 06-02-2016 |
| 20160154036 | Shock detector | 06-02-2016 |
| 20160178669 | Circuit for Determining Load Type of a Serially Connected Electrical AC Load and Related Method | 06-23-2016 |
| 20160178670 | SCALABLE CURRENT SENSE TRANSISTOR | 06-23-2016 |
| 20160187389 | VOLTAGE SENSOR HOUSING AND ASSEMBLY INCLUDING THE SAME - A voltage sensor housing includes a top portion including a conductive top portion composed of conductive material and non-conductive top portions composed of non-conductive material, a bottom portion composed of non-conductive material, side portions composed of non-conductive material, wherein the top portion the bottom portion and the side portions define an interior area structured to hold a voltage sensor, and conductive side portions composed of conductive material and being disposed adjacent to the side portions. The conductive top portion is electrically floating and the conductive side portions are electrically grounded. | 06-30-2016 |
| 20160195572 | TRIAC Low Voltage Dimming Control System | 07-07-2016 |
| 20160253937 | SYSTEM AND METHODS FOR EXTRACTION OF THRESHOLD AND MOBILITY PARAMETERS IN AMOLED DISPLAYS | 09-01-2016 |
| 20180022186 | SYSTEM AND METHOD TO DETECT, IN A VEHICLE, BLOCKAGE OF AN AIRFLOW PASSAGE TO A POWER STORAGE UNIT | 01-25-2018 |
| 20180024171 | Measuring Output Current In A Buck SMPS | 01-25-2018 |
| 20180024598 | SERVER RACK FOR IMPROVED DATA CENTER MANAGEMENT | 01-25-2018 |
