18th week of 2015 patent applcation highlights part 23 |
Patent application number | Title | Published |
20150115895 | SYSTEM AND METHOD OF DISCHARGING HIGH-VOLTAGE BATTERY - A method of discharging a high-voltage battery is provided. The method includes demounting a communication connector of a battery management system (BMS) and connecting the BMS communication connector and a discharge system to enable communication between the BMS and the discharge system. Additionally, the method includes discharging the battery using the discharge system. | 2015-04-30 |
20150115896 | Power Storage Device and Power Storage Device Control Device - A power storage device includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode comprises a plurality of types of negative electrode active materials, wherein each of the plurality of types has different lithium-ion absorption potentials. | 2015-04-30 |
20150115897 | UNIVERSAL POWER DELIVERY CABLE, POWER DELIVERY CONTROLLER APPLIED TO A UNIVERSAL SERIAL BUS CABLE, AND UNIVERSAL SERIAL BUS CABLE - A universal power delivery cable includes a first connector, a second connector, and a power delivery controller. The first connector is used for coupling a host, wherein the host has a power delivery function. The second connector is used for coupling an electronic device. When the first connector is coupled the host, the second connector is coupled the electronic device, and the electronic device does not have the power delivery function, the power delivery controller makes the electronic device imitate to have the power delivery function. After the power delivery controller makes the electronic device imitate to have the power delivery function, the host charges the electronic device according to a specification of the power delivery function and a specification of the electronic device. | 2015-04-30 |
20150115898 | PORTABLE POWER SYSTEM - A power management system and method are disclosed. The system can be a high availability power delivery system. The system can be GPS tracked. The system can have multiple batteries, multiple input power sources, and multiple loads. The system can switch between the multiple batteries and the power source to deliver power to the load. The system can ensure there will always be an input power source to power the load. | 2015-04-30 |
20150115899 | METHOD AND APPARATUS FOR CONTROLLING CHARGE OF A LOW-VOLTAGE BATTERY - A method and apparatus for controlling charge of a low-voltage battery are provided. The method includes assigning, by a controller, a preset voltage for the low-voltage battery based on an operating mode of a vehicle and a charge state of a high-voltage battery. In addition, the controller compares the preset voltage with a present charge voltage of the low-voltage battery and increases the present charge voltage with a first slope until the present charge voltage becomes equal to the preset voltage when the preset voltage is greater than the present charge voltage. The operating mode comprises drive modes that include a first drive mode and a second drive mode, a fuel cell stop mode, and an emergency mode. The first drive mode is divided into a plurality of stages based on the charge state of the high-voltage battery. | 2015-04-30 |
20150115900 | SELECTABLE UPPER VOLTAGE RANGE MONITORING CIRCUIT - A battery voltage measuring circuit for an implantable cardiac device is presented. Since the usable battery voltage for the device is limited to an upper range of voltages, the need for measuring lower voltages at which the battery is approaching end of life is of no use. The disclosed invention allows for the measurement of a selectable upper range of battery levels that can be chosen without using a level shifting device such as a zener diode. Multiple voltage ranges with associated measurement resolutions can be achieved without using high current zener diode implementations. This allows for a trade-off between measurement range and resolution while resulting in a lower power and more accurate measurement circuit. Conventional zener diode implementations only allow for a single measurement range and are prone to non-linear error as the voltage measurement range increases. | 2015-04-30 |
20150115901 | Quick Discharge Circuit - A quick discharge circuit includes a reference voltage source, a power supply voltage monitoring circuit, a control circuit, and a discharge circuit. The reference voltage source provides a threshold voltage for quick discharge; the power supply voltage monitoring circuit collects change conditions of a power supply voltage; the control circuit performs logical control according to the power supply voltage collected by the power supply voltage monitoring circuit and the threshold voltage provided by the reference voltage source to determine whether the discharge circuit is ON. With the quick discharge circuit, when a terminal product is powered off, an input bulk capacitor of a DC-DC circuit is discharged quickly so that the voltage thereof rapidly drops to a safe voltage range. When the terminal product is powered on again quickly, it is guaranteed that a soft start circuit works normally so as to implement slow increase of power-on voltage and current. | 2015-04-30 |
20150115902 | POWER GENERATION SYSTEM AND METHOD WITH FAULT RIDE THROUGH CAPABILITY - A power generation system includes a generator mechanically coupled to an engine to generate electrical power and a fault ride through system connected between the generator and a power grid. The fault ride through system includes a mechanical switch connected in parallel with a solid state switch and a resistor to absorb power from the generator during a grid fault condition. The mechanical switch and the solid state switch are controlled in coordination with the engine. | 2015-04-30 |
20150115903 | VEHICULAR CHARGING SYSTEM - A vehicular charging system includes: a generator which has a field coil and is mounted on a vehicle; a storage battery which stores power; a storage state detection sensor which detects a charge state; and a power generation driving torque control device which calculates an actual value and a target value of power generation driving torque of the generator, and controls the generator based on the calculated target value. The power generation driving torque control device controls the generator based on a first target value of the power generation driving torque when a running state of the vehicle moves into a deceleration mode, and decreases the power generation driving torque to control the generator based on a second target value of the power generation driving torque when a charge state of the storage battery reaches a reference value, the second target value being smaller than the first target value. | 2015-04-30 |
20150115904 | VEHICLE AC GENERATOR CONTROL APPARATUS - A vehicle AC generator control apparatus, the rotor of an vehicle AC generator | 2015-04-30 |
20150115905 | Power Compensator - A power compensator for compensating voltage at a location along a power transmission line, the compensator having a controller for controlling a voltage generated across the compensator, wherein the voltage is controlled to maintain a power transmission line voltage at a value dependent on the power transmission line location. | 2015-04-30 |
20150115906 | MATRIX CONVERTER - A matrix converter includes: a power converter configured to couple an AC power supply and a load together; and a controller configured to selectively execute: a first control mode in which the controller is configured to perform power conversion between the AC power supply and the load; and a second control mode in which the controller is configured to directly combine the AC power supply with the load. The controller is configured to: increase the output voltage and cause a phase of the output voltage follow up a voltage phase of the AC power supply in a case where a difference between a frequency of an output voltage from the power converter to the load and a frequency of the AC power supply becomes within a predetermined range. | 2015-04-30 |
20150115907 | NON-LINEAR SYSTEM CONTROL METHODS - In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load. | 2015-04-30 |
20150115908 | Phase Offset Compensation for Multiphase DC-DC Converter - The present document relates to multiphase DC-DC power converters. In particular, the present document relates to the compensation of the phase offset incurred in multiphase DC-DC power converters which are controlled based on coil current zero crossing. A control circuit for a multiphase power converter is described. The multiphase power converter comprises a first and a second constituent switched-mode power converter, wherein the first and second constituent power converters provide first and second phase currents, respectively. The first and second phase currents contribute to a joint load current of the multiphase power converter. The first and second constituent power converters comprise first and second half bridges with first and second high side switches and first and second low side switches, respectively. | 2015-04-30 |
20150115909 | Zero Voltage Switching - A method for providing non-resonant zero-voltage switching in a switching power converter. The switching power converter converts power from input power to output power during multiple periodic switching cycles. The switching power converter includes a main switch and an auxiliary capacitor adapted for connecting to the main switch, and an inductor connectible to the auxiliary capacitor. When the main switch is on, a previously charged (or previously discharged) auxiliary capacitor is connected to the main switch with auxiliary switches. The main switch is switched off with zero voltage while discharging non-resonantly (charging) the auxiliary capacitor by providing a current path to the inductor. The auxiliary capacitor is disconnected from the main switch. The voltage of the auxiliary capacitor is charged and discharged alternatively during subsequent switching cycles. The voltage of the auxiliary capacitor stays substantially the same until the subsequent turn off of the main switch during the next switching cycle with substantially no energy loss in the auxiliary capacitor. | 2015-04-30 |
20150115910 | POWER SUPPLY WITH ENHANCED PHASE CURRENT SHARING - A system, power supplies, controller and method for enhanced phase current sharing are disclosed. For example, a power supply for enhanced phase current sharing is disclosed, which includes a plurality of power modules, a communication bus coupled to an input of each power module of the plurality power modules, and an output voltage node coupled to a first side of an inductor of each power module of the plurality of power modules, wherein each power module of the plurality of power modules includes a digital controller coupled to the input of the power module, and an RC circuit enabled to generate a feedback signal, coupled to a second side of the inductor and the output voltage node. In some implementations, the power supply is at least part of a power management integrated circuit (PMIC) or at least part of a power supply formed on a semiconductor IC, wafer, chip or die. | 2015-04-30 |
20150115911 | Adaptive Off Time Control Scheme for Semi-Resonant and Hybrid Converters - In one implementation, a voltage converter includes a high side power switch, and first and second low side power switches. The voltage converter also includes a driver stage for driving the high side power switch and the first and second low side power switches, and an adaptive OFF-time control circuit coupled to the driver stage. The adaptive OFF-time control circuit is configured to sense a current through one of the first and second low side switches, and to determine an adaptive off time for the high side power switch based on the sensed current. | 2015-04-30 |
20150115912 | REFERENCE VOLTAGE GENERATOR - Provided is a reference voltage generator having flat temperature characteristics. The reference voltage generator includes a resistor ( | 2015-04-30 |
20150115913 | HIGH FREQUENCY SERIES AC VOLTAGE REGULATOR - A bidirectional AC series voltage regulator that regulates an output AC voltage level regardless of the varying AC input voltage utilizing high frequency series inductors that only process a proportion of the total output power. The AC series voltage regulator detects the power inductor current direction data signal and can generate power inductor current direction data signals for its control to determine the AC input voltage polarity at all time; wherein the determination of the AC input voltage polarity is unambiguous during the AC input voltage zero crossover and near zero points; and wherein the determination of the AC input voltage polarity allows normal switching sequence of the AC bidirectional switches during the AC input voltage zero crossover and near zero points to prevent power “shoot-through.” | 2015-04-30 |
20150115914 | CONTROL CIRCUIT, SWITCHING CONVERTER AND ASSOCIATED METHOD - A control circuit and a control method for a switching converter. The control circuit has a clock circuit and a comparing circuit. The clock circuit is configured to generate a clock signal to make at least one switch to operate in a first state once a rising edge of the clock signal arrives. The comparing circuit is configured to compare a feedback signal with a reference signal to generate a comparing signal, and wherein the comparing signal is configured to make the at least one switch to start to operate in a second state when the feedback signal is larger than the reference signal. The control circuit makes a switching converter to operate in a high dynamic speed with a constant switching frequency. | 2015-04-30 |
20150115915 | POWER SWITCHING VOLTAGE REGULATOR - A power switching voltage regulator includes a high-side switch, a low-side switch, an inductor, a detection circuit, and a gate voltage adjusting unit. The high-side switch is coupled to a voltage source; the low-side switch is coupled between the high-side switch and a ground. A connection node is located between the high-side switch and the low-side switch. The inductor is coupled between the connection node and a power output terminal of the power switching voltage regulator. The detection circuit detects an output voltage of the power output terminal, when the output voltage swings out of a predetermined range. The gate voltage adjusting unit dynamically adjusts a gate voltage on-resistances of the high-side switch and the low-side switch. | 2015-04-30 |
20150115916 | Control Method for a Power Supply System - A control method for a power supply system having at least two power parts with power outputs connected in parallel, wherein each power part is actuated via a separate control and where at least one first power limit is specified for each control, where the control actuates the allocated power part up to the first power limit in a normal mode, a first drawdown value of the output voltage is specified for each control upon reaching the first power limit, and the respective control regulates the output voltage of the related power part to the first drawdown value upon reaching the first power limit so that the parallel connection of a plurality of power parts without a super-ordinate control is achieved. | 2015-04-30 |
20150115917 | CONTROL CIRCUIT FOR INTERLEAVED SWITCHING POWER SUPPLY - In one embodiment, a control circuit configured for an interleaved switching power supply, can include: (i) a feedback compensation signal generation circuit configured to sample an output voltage of the interleaved switching power supply, and to generate a feedback compensation signal; (ii) a first switch control circuit configured to compare a voltage signal indicative of an inductor current in the first voltage regulation circuit against the feedback compensation signal, and to control a first main power switch in the first voltage regulation circuit; and (iii) a second switch control circuit configured to turn on a second main power switch in the second voltage regulation circuit after half of a switching cycle after the first main power switch is turned on, and to regulate an on time of the second main power switch. | 2015-04-30 |
20150115918 | LOW DROP OUT SUPPLY ASYMMETRIC DYNAMIC BIASING - Methods and apparatus for a dynamic bias generator are provided. In an example, a dynamic bias generator for a voltage regulator can include a slope generator and a peak detector coupled to the slope generator. In certain examples, the slope generator and the peak detector can receive a representation of output current of the voltage regulator and can adjust a bias control voltage at an output of the peak detector in response to a change in the output current of the voltage regulator. | 2015-04-30 |
20150115919 | PROGRAMMABLE CURRENT LIMIT CIRCUIT FOR A PROGRAMMABLE POWER SUPPLY - A control circuit of a power supply is provided. The control circuit includes a circuit and a PWM circuit. The circuit generates a limit signal in response to an output voltage of the power supply for limiting a switching current of a transformer of the power supply. The PWM circuit generates a switching signal in response to a feedback signal and the limit signal for switching the transformer and regulating the output voltage of the power supply. A level of the feedback signal is related to a level of the output voltage of the power supply. The output voltage of the power supply is programmable. | 2015-04-30 |
20150115920 | Continuous Comparator with Improved Calibration - An auto-calibrated current sensing comparator is provided. A secondary dynamic comparator shares the same inputs and acts to adjust a calibration control of the current sensing comparator. The calibration control may be in the form of adjusting the offset of the current sensing comparator or adjusting a propagation delay that is added to its output. | 2015-04-30 |
20150115921 | PROGRAMMABLE FREQUENCY DECREASE CIRCUIT FOR A PROGRAMMABLE POWER SUPPLY - A control circuit and a method for a programmable power supply are provided. The control circuit and the method modulate a switching frequency of a switching signal in response to a feedback signal and an output voltage of the programmable power supply. The switching signal is used for switching a transformer and regulating an output of the programmable power supply. The level of the feedback signal is related to the level of an output power of the programmable power supply. The output voltage of the programmable power supply is programmable. Further, the control circuit and the method modulate a maximum switching frequency of the switching signal in response to the output voltage of the programmable power supply for stabilizing the system. | 2015-04-30 |
20150115922 | CURRENT FEEDBACK METHOD, CURRENT FEEDBACK CIRCUIT, DRIVING CIRCUIT AND SWITCHING POWER SUPPLY THEREOF - In one embodiment, a current feedback circuit can include: (i) a first current mirror circuit having an input terminal coupled to a source of a main power transistor of a switching power supply, and a control terminal configured to receive a PWM control signal, the first current mirror circuit being configured to generate a first mirror current; (ii) the first current mirror circuit and the main power transistor being on such that an output sampling current flows through the first current mirror circuit and the main power transistor when the PWM control signal is active; and (iii) a second current mirror circuit configured to generate an output feedback current that is in a predetermined direct proportion with the output sampling current, and is generated in accordance with the first mirror current. | 2015-04-30 |
20150115923 | LOAD CURRENT READBACK AND AVERAGE ESTIMATION - A switching regulator or other apparatus or techniques can include load current monitoring to provide a digital representation of an estimated load current. Load current monitoring can be performed by a circuit including a counter circuit, a comparator circuit, and a digitally-controlled source coupled to the counter circuit and configured to adjust a bias condition of a sensing device in response to a count provided by the counter circuit in order to establish a proportional relationship between a current conducted by the sensing device and a corresponding current conducted by a power switching device. The counter circuit is configured to increment and decrement the count in response to information provided by the comparator output and the count is generally indicative of the estimated load current, such as an average load current. | 2015-04-30 |
20150115924 | CONTROL CIRCUIT MODULE FOR POWER FACTOR CORRECTOR - A control circuit module for a power factor corrector is provided to convert the operation mode of the inductor current from the boundary conduction mode (BCM) to the discontinuous conduction mode (DCM) when a transistor element is operated under the valley inductor current, thus reducing the switching frequency and increasing system efficiency, also to maintain the operation mode of the inductor current in the BCM when the transistor element is operated under the peak inductor current, thus maintaining system efficiency. | 2015-04-30 |
20150115925 | A/D CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT - According to one embodiment, an A/D converter includes a first delay cell column in which a plurality of delay cells, to which a first bias current corresponding to a difference voltage between an input voltage and a reference voltage is supplied, is connected in series. The converter includes a second delay cell column in which a plurality of delay cells, to which a second bias current corresponding to a negative-phase difference voltage of the difference voltage is supplied, is connected in series. The converter includes an encoder unit configured to encode a difference value, in delay time of signal propagation, between the first delay cell column and the second delay cell column. | 2015-04-30 |
20150115926 | POWER SUPPLY DEVICE - There is provided a power supply device including: a SEPIC/Zeta converter having an energy storage unit; and a power transmitting unit transmitting the energy stored in the SEPIC/Zeta converter to a load stage. | 2015-04-30 |
20150115927 | METHOD AND APPARATUS FOR GENERATING A DIRECT CURRENT BIAS - A voltage detector operates to detect a system power supply voltage and generate a trigger signal. A control signal generator responds to the trigger signal and generates a control signal. A DC bias generator responds to the control signal by generating a DC bias. The control signal controls the DC bias to have a first value when the power supply voltage is a first voltage and have a second value when the power supply voltage is a second voltage different from the first voltage, wherein the first value is different from the second value. A dynamic DC bias is generated which can not only support a larger voltage scope, but also significantly improves signal to noise ratio. The system power supply detection may concern stop/start operation of an automobile engine. | 2015-04-30 |
20150115928 | INPUT CIRCUIT - In aspects of the invention, a zap circuit and a decoder for decoding the output of the zap circuit turn ON only one analog switch in a selector. The selector delivers an electric potential at a node of a dividing resistor selected by the zap circuit. The output of the selector is delivered to the non-inverting input of an operational amplifier, and the output of the operational amplifier is delivered to the gate terminal of a MOSFET. The operational amplifier controls the gate of the MOSFET so that the potential at a current detecting resistor equals the output of the selector. As a result, a current proportional to the input voltage flows through the MOSFET. Because the current through a dividing resistor is also proportional to the input voltage, the total current is eventually proportional to the input voltage. | 2015-04-30 |
20150115929 | METHOD AND APPARATUS FOR GENERATING PIECE-WISE LINEAR REGULATED SUPPLY - The disclosure provides a voltage regulator for generating piece-wise linear regulated supply voltage. The voltage regulator includes a first clamp circuit that receives a reference voltage and an analog supply voltage. A second clamp circuit receives the reference voltage. A voltage divider circuit is coupled to the first clamp circuit and the second clamp circuit. The voltage divider circuit receives a peripheral supply voltage and generates a regulated supply voltage. | 2015-04-30 |
20150115930 | REFERENCE VOLTAGE GENERATOR - Provided is a reference voltage generator having flat temperature characteristics. The reference voltage generator includes a depletion MOS transistor ( | 2015-04-30 |
20150115931 | POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM AND METHOD FOR CONTROLLING THE SAME - A power supply system may include a target device and an adapter. The target device may include an adapter connection switch that receives adapter recognition information to form a connection with the adapter, a voltage detection unit that receives an output voltage from an adapter, and a voltage-change-requesting unit that outputs a voltage to request a voltage change based on information on the output voltage from the adapter. The adapter may include a device information recognition unit that receives the voltage to request a voltage change, and an output-voltage-changing unit that changes the output voltage based on the voltage to request a voltage change. | 2015-04-30 |
20150115932 | CIRCUIT, METHOD AND SENSOR FOR OBTAINING INFORMATION ON A PHYSICAL QUANTITY - A circuit for obtaining information on a physical quantity according to an embodiment includes a sensor arrangement sensitive to the physical quantity, at least one further sensor element sensitive to the physical quantity and a supply circuit configured to provide the sensor arrangement with a supply signal comprising a supply voltage controlled by the supply circuit in a closed-loop configuration. The supply circuit is further configured to provide the at least one further sensor element with a further supply signal comprising a further supply current such that a magnitude of the further supply current fulfills a predetermined relationship with a magnitude of a supply current of the supply signal. As a consequence, it may be possible to improve a trade-off between an improved compensation of variations, simplifying an implementation, simplifying the manufacturing, simplifying the sensing and providing stable sensing conditions. | 2015-04-30 |
20150115933 | OFFSET COMPENSATION FOR ZERO-CROSSING DETECTION - There is described a device for removing an offset from a signal, the device comprising (a) a frequency estimation unit ( | 2015-04-30 |
20150115934 | Temperature Compensated Fiber-Optic Current Sensor - In a fiber-optic current sensor, a 22.5° Faraday rotator, which is part of the sensing fiber coil, determines the working point of the sensor. The coil is operated with substantially linearly polarized light or incoherent substantially left and right circularly polarized light waves. In one arrangement, a polarization beam splitter generates two optical signals that vary in anti-phase with changing current. A signal processor determines the current from the two anti-phase signals. Appropriately detuned and oriented fiber-optic half-wave or quarter-wave retarders before the fiber coil are used to reduce or cancel the adverse effects of temperature and bend-induced birefringence on the measurement signal. Moreover, the temperature may be derived from the difference in the bias of the anti-phase signals and may be used to cancel temperature effects in the signal processor. | 2015-04-30 |
20150115935 | SHUNT RESISTANCE TYPE CURRENT SENSOR - A shunt type current sensor ( | 2015-04-30 |
20150115936 | SIGNAL ERROR COMPENSATION FOR A MAGNETOMETER IN A SENSOR PACKAGE | 2015-04-30 |
20150115937 | HALL ELECTROMOTIVE FORCE COMPENSATION DEVICE AND HALL ELECTROMOTIVE FORCE COMPENSATION METHOD - A Hall resistance measurement unit measures a Hall resistance value in two or more current directions between a plurality of terminals of the Hall element. A Hall electromotive force measurement unit measures the Hall electromotive force of the Hall element. A temperature measurement unit measures an operating temperature of the Hall element. A compensation signal generation unit compensates the Hall electromotive force on the basis of the Hall resistance value from the Hall resistance measurement unit and a temperature output value from the temperature measurement unit. A compensation coefficient calculation circuit calculates a compensation coefficient on the basis of the Hall resistance value measured by the Hall resistance measurement unit and the temperature output value measured by the temperature measurement unit. The compensation coefficient includes a mechanical stress compensation coefficient and a temperature compensation coefficient. | 2015-04-30 |
20150115938 | MAGNETIC FIELD DETECTION DEVICE - A magnetic field detection device includes: a first magnetic field generating part, including a first magnetic field generating conductor; a first magnetic field detection part, including a first magnetic field detection element and a first differential operation part, wherein a first output of the first magnetic field detection element corresponding to the environment magnetic field is inputted into the first differential operation part, and a first feedback current flows into the first magnetic field generating conductor, and thus the first magnetic field generating part provides the first magnetic field detection element with a first feedback current magnetic field, with a direction opposite to the environment magnetic field; a second magnetic field generating part, including a second magnetic field generating conductor, in which a second current corresponding to the first feedback current flows; and a second magnetic field detection part, including a second magnetic field detection element. | 2015-04-30 |
20150115939 | MAGNETIC MEDIUM FOR MAGNETIC ENCODER, MAGNETIC ENCODER AND METHOD FOR MANUFACTURING MAGNETIC MEDIUM - The present disclosure provides a magnetic medium, a magnetic encoder, and a method for manufacturing a magnetic medium with high reliability that can obtain the sufficient signal output, while reducing the hysteresis error. | 2015-04-30 |
20150115940 | Position Measuring Device - A position measuring device includes a measuring standard that has a first magnetization in a first section for generating a first signal level. The first magnetization is oriented in a first direction, has a first clearance between two adjacent unlike poles, and generates a first maximum of the field strength at the working distance. Furthermore, the measuring standard has a second magnetization in a second section situated next to the first section for generating a second signal level. The second magnetization is oriented in a second direction, has a second clearance between two unlike poles, and generates a first maximum of the field strength at the working distance. The first direction is oriented counter to the second direction, the first clearance is greater than the second clearance, and the first maximum is greater than the second maximum. | 2015-04-30 |
20150115941 | MAGNETIC DETECTION DEVICE AND ON-VEHICLE ROTATION DETECTION DEVICE EQUIPPED WITH THE SAME - Rotation of a magnetized rotor is detected in a highly accurate manner without depending on a magnetic pole pitch of N and S poles of the magnetized rotor. To that end, a magnetic detection device includes a magnetoresistive element that is formed of a fixed layer made of a ferromagnetic material whose magnetization direction is fixed and a free layer made of a ferromagnetic material whose magnetization direction can be freely changed, with a non-magnetic middle layer sandwiched between the layers, and arranged therein maintaining a gap between the element and the outer circumferential surface of the magnetized rotor in which the N and S poles are alternately arranged along the outer circumference rotating around a rotation shaft, wherein the magnetoresistive element is arranged in such a way that a plane on which the fixed layer is formed is in a plane including the rotation shaft. | 2015-04-30 |
20150115942 | MAGNETIC SENSOR CIRCUIT - To provide a magnetic sensor circuit that outputs a desired detection pulse while preventing an erroneous detection/erroneous release pulse output when a fluctuation in a power supply voltage occurs within an operating power supply voltage range. A magnetic sensor circuit is configured to include a detection circuit that detects a fluctuation in a power supply voltage or an internal power supply voltage and so as not to latch a determination output of a comparator by a latch circuit that, on the basis of a power supply fluctuation detection signal output from the detection circuit, holds the logic of a control clock signal output from an oscillation circuit for a prescribed period of time and determines the output logic of an output terminal. | 2015-04-30 |
20150115943 | APPARATUS USING HALL SENSOR - An apparatus and a method of determining a status of a cover of a display terminal are provided. The apparatus includes a terminal comprising a display screen, and a Hall sensor comprising a magnetic field sensing surface and a plurality of Hall elements disposed substantially parallel with the magnetic field sensing surface, the magnetic field sensing surface being substantially perpendicular to the display screen. | 2015-04-30 |
20150115944 | Magnetic Sensors - Among other things, the disclosure features a system comprising a sensor, a DC magnetic field source, an AC magnetic field source, and a receiver. The sensor has an aspect ratio of 10:1 or higher and comprises a ferromagnetic material. The ferromagnetic material has a non-linear magnetization response, and the response contains a maximum point of non-linearity. The DC magnetic field source is adjustable for providing a magnetic excitation field to excite a magnetic field within the sensor. The provided magnetic excitation field has a range such that the excited magnetic field within the sensor is near the maximum point of non-linearity. The AC magnetic field source is configured to generate an AC magnetic field to cause the sensor to generate even harmonics. The receiver is configured to receive the even harmonics from the sensor for determining a position of the sensor. | 2015-04-30 |
20150115945 | EDDY CURRENT SENSOR WITH LINEAR DRIVE CONDUCTOR - A multi-layer eddy current sensor includes a sense coil for detecting an eddy current, and a drive conductor for inducing the eddy current. The drive conductor comprises a substantially straight conducting portion that traverses the entire width of the sense coil. | 2015-04-30 |
20150115946 | Systems and Methods Having Omnipolar Comparators for Magnetic Switches - An omnipolar magnetic sensor system includes an input stage and a behavior component. The input stage is configured to receive a source signal and to selectively chop the source signal. Further, the input stage is configured to balance the source signal using behavior parameters and generate a balanced source signal. | 2015-04-30 |
20150115947 | PAPER SHEET MAGNETIC DETECTION APPARATUS - The object is to avoid degradation of magnetic detection precision arising due to magnetization of transport rollers used for transporting a paper sheet. A paper sheet magnetic detection apparatus that detects a magnetic material in the paper sheet by using a magnetic sensor includes a transport path that transports paper sheets one by one; at least one magnet that is used in the detection of the magnetic material by the magnetic sensor; and a plurality of transport rollers that are arranged near the magnetic sensor and that transport the paper sheet in the transport path. Outer peripheral surfaces of the plurality of transport rollers that face the transport path are made of a non-magnetic material. | 2015-04-30 |
20150115948 | MAGNETIC FIELD MEASURING APPARATUS - A beam that passes through a plurality of gas cells a number of times is led to a deflection meter from a light ejecting section, detection of a deflected surface angle is performed and a strength of a magnetic field is measured by a structure in which the plurality of the gas cells is arranged along a light beam between two reflection units or light concentrating units that have a light beam incidence section and a light beam ejecting section and are opposite to each other, and a laser beam that is incident from the light beam incidence section passes through the plurality of the gas cells and then is multiply reflected by both reflection units. | 2015-04-30 |
20150115949 | BRIDGE CIRCUIT AND MAGNETIC SENSOR INCLUDING THE CIRCUIT - A magnetic sensor having a large magnetic-field detection angle range and a bridge circuit used in the magnetic sensor, in each of multiple MR elements in the bridge circuit, multiple strips, on the whole, along a direction substantially orthogonal to a magnetic-field detection direction are arranged in parallel at certain intervals and are sequentially connected so as to be folded back and, in each of the multiple strips, multiple strips along the magnetic-field detection direction are arranged in parallel at certain intervals and are sequentially connected so as to be folded back to form a zigzag pattern in which the multiple strips are electrically connected in series to each other. | 2015-04-30 |
20150115950 | HALL EFFECT SENSOR DEVICE - A hall effect sensor device implemented on a semiconductor body, having a first Hall effect sensor and a second Hall effect sensor, each of the two Hall effect sensors has at least four individual Hall effect elements and the four Hall effect elements are connected in series, and each Hall effect element has three contact terminals arranged in a row, and the series connection is implemented through a coupling or interconnection of the two outer contact terminals. Semiconductor well regions of the individual Hall effect elements are separated from one another, and the first Hall effect sensor and the second Hall effect sensor are connected in parallel, whereby a middle contact terminal of a Hall effect element of the first Hall effect sensor is connected in each case with a middle contact terminal of a Hall effect element of the second Hall effect sensor. | 2015-04-30 |
20150115951 | POWER MEASURING APPARATUS - A power measurement apparatus configured to measure power consumed at a load, the apparatus includes a magnetic film module, an adjuster, a measurement resistance, and a voltage detector. The magnetic film module is arranged so that a longitudinal direction of the magnetic film module is parallel to current flowing in the load. The adjuster is configured to adjust a pass-frequency and a phase of a voltage at one terminal of the magnetic film module. The measurement resistance is serial-connected to the magnetic film module. The voltage detector is configured to detect a voltage between both terminals of the magnetic film module. | 2015-04-30 |
20150115952 | DEVICE WITH MAGNETIC SENSORS WITH PERMANENT MAGNETS - A device with a magnetic sensor is disclosed. The device includes a substrate with a device layer. A magnetic sensor is formed on the device layer and includes a first permanent magnet. The first permanent magnet has at least one alternating ferromagnetic (FM) layer and antiferromagnetic (AFM) layer, with a buffer layer disposed between the FM layer and the AFM layer. The first permanent magnet is magnetized in a first direction at a temperature higher than a blocking temperature of the AFM layer. A plurality of device pads are coupled to the magnetic sensor. An integrated circuit substrate with a plurality of IC pads, wherein the plurality of device pads are selectively eutectic bonded to the plurality of IC pads at a bonding temperature greater than the blocking temperature of the AFM layer of the first permanent magnet. | 2015-04-30 |
20150115953 | METHOD AND APPARATUS FOR DETERMINING MUD CONTAMINATION OF FORMATION FLUID - A formation fluid sample is analyzed using NMR spectroscopy to obtain a NMR spectrum. The NMR spectrum is then analyzed to find evidence of the amount of olefins present in the sample. The amount of olefins present in the sample can then be correlated to the level of contamination of the sample. In one embodiment, a | 2015-04-30 |
20150115954 | NON-RESONANT MAGNETIC RESONANCE TRANSMITTER WITH POWER FACTOR CORRECTION - A non-resonant transmitter for a magnetic resonance (MR) system, such as a nuclear magnetic resonance (NMR) system, is described herein. The transmitter includes a coil for applying NMR pulse sequences to a substance. The coil is coupled to a circuit that includes a capacitor, a number of switches, and a power source. The transmitter operates in two modes. In a charging mode, the switches decouple the coil from the capacitor and the capacitor is charged by the power source. In a discharging mode, a radio frequency pulse is generated and the switches couple and decouple the coil from the capacitor so that the capacitor provides power to the coil. The addition of the capacitor improves the power factor of the circuit and reduces power draw from the power source. | 2015-04-30 |
20150115955 | SYSTEMS AND METHODS FOR ACCELERATING MAGNETIC RESONANCE IMAGING - Magnetic resonance imaging systems and methods are provided. A method includes applying a slice selection gradient perpendicular to a desired slice plane and applying, substantially simultaneously with the slice selection gradient, a radiofrequency nuclear magnetic resonance excitation pulse having a bandwidth corresponding to the desired slice plane and a frequency corresponding to the frequency of protons present in the desired slice plane. The method also includes applying, during an encoding period and in a first direction, a phase encoding gradient having a phase encoding portion and a shearing portion and applying, during the readout period and in a second direction perpendicular to the first direction, a frequency encoding gradient having a portion having substantially the same shape as the shearing portion of the phase encoding gradient. | 2015-04-30 |
20150115956 | SYSTEM AND METHOD FOR QUIET MAGNETIC RESONANCE IMAGING - A system and method for performing quiet magnetic resonance imaging (“MRI”) are provided. An MRI system is directed to perform a pulse sequence that includes a magnetic field gradient s tapped through a plurality of different gradient component amplitude values in a manner that controls the difference between successive gradient amplitudes. In this way, force changes generated during the transition from one gradient component amplitude to the next are controlled, thereby resulting in a significant noise reduction. Additionally, the gradient amplitude values are ordered such that the transition of the gradient component amplitude in successive repetitions of the pulse sequence is controlled, thereby mitigating the generation of forces between pulse sequence repetitions. | 2015-04-30 |
20150115957 | PULSE SEQUENCE METHOD FOR MRI - The present invention describes a method for magnetic resonance (MR) and/or MR imaging, comprising acquisition of signals and MR images originating from a RF and gradient sequence causing isotropic diffusion weighting of signal attenuation, wherein the isotropic diffusion weighting is achieved by one time-dependent dephasing vector q(t) having an orientation, wherein the isotropic diffusion weighting is proportional to the trace of a diffusion tensor D, and wherein the orientation of the time-dependent dephasing vector q(t) is either varied discretely in more than three directions in total, or changed continuously, or changed in a combination of discretely and continuously during the gradient pulse sequence, 0≦t≦echo time, where t represents the time. The method may be performed during a single shot (single MR excitation). | 2015-04-30 |
20150115958 | Multiband Slice Accelerated Imaging With Balanced Slice-Selective Gradients - A computer-implemented method for performing multi-band slice accelerated imaging includes performing a low-resolution fast multi-dimensional reference scan to obtain a coil sensitivity map. A multiband imaging scan is performed to acquire a plurality of k-space lines representative of an anatomical area of interest. A multi-band signal corresponding to the plurality of k-space lines is separated into a plurality of image slices using a parallel imaging reconstruction technique and the coil sensitivity map. | 2015-04-30 |
20150115959 | METHOD AND MAGNETIC RESONANCE APPARATUS TO DETERMINE A MAGNETIC RESONANCE IMAGE FROM MAGNETIC RESONANCE DATA - In a method and apparatus to determine a magnetic resonance image from magnetic resonance data entered into k-space that are acquired with the magnetic resonance apparatus, in the acquisition of the data a deviation from ideal homogeneity, described by an interference field, is present in the imaging region that is covered by the magnetic resonance data. To reduce image artifacts generated by this interference field, the transformation of the magnetic resonance data from k-space into the image domain, at least along a readout direction of a readout gradient used in the acquisition, takes place by multiplication of the data with the inverse of a transformation matrix that is calculated depending on the interference field. | 2015-04-30 |
20150115960 | METHOD AND MAGNETIC RESONANCE APPARATUS TO ACQUIRE MAGNETIC RESONANCE DATA WITH A DIFFUSION-WEIGHTED MAGNETIC RESONANCE SEQUENCE - In a method and magnetic resonance apparatus to acquire magnetic resonance data with a diffusion-weighted magnetic resonance sequence wherein the magnetic resonance apparatus as a gradient coil arrangement with three gradient coils designed to generate a gradient in gradient directions orthogonal to one another, the readout gradient is flipped relative to at least one of the gradient directions such that at least two gradient coils contribute to a possible slew rate of a readout gradient pulse, and such that a phase coding gradient that is constant over the readout time period is selected. | 2015-04-30 |
20150115961 | METHOD AND MAGNETIC RESONANCE SYSTEM TO ACQUIRE SPECTROSCOPY DATA IN A PREDETERMINED VOLUME SEGMENT OF AN EXAMINATION SUBJECT - In a method and a magnetic resonance system for acquisition of spectroscopy data in a predetermined volume segment of an examination subject, spectroscopy data in the volume segment are acquired in multiple measurement steps, and spatially resolved MR data of the examination subject also are acquired in multiple measurement steps. Each of the measurement steps to acquire the spectroscopy data or to acquire the MR data respectively includes an excitation step and a readout step associated with that excitation step. At least one of the measurement steps to acquire the MR data occurs between one of the measurement steps to acquire the spectroscopy data and another of the measurement steps to acquire the spectroscopy data. | 2015-04-30 |
20150115962 | EXPANDED FOAM FORMER APPARATUS AND METHOD FOR MAKING THE SAME - An MR coil former apparatus includes a body, a coil array, and a coil cover. The body defines a patient-facing positive surface opposite a non-patient-facing negative surface. The positive surface of the body includes an anatomic contour, and the coil array is disposed adjacent and conformed to the anatomic contour. The coil cover is disposed overlying the coil array and conformed to the anatomic contour. | 2015-04-30 |
20150115963 | CHANNEL BY CHANNEL ARTIFACT REDUCTION IN PARALLEL MRI - An imaging system ( | 2015-04-30 |
20150115964 | Dipole Locator Using Multiple Measurement Points - A receiver and tracking system for identifying a location of a magnetic field source. In a preferred embodiment a plurality of tri-axial antennas are positioned at three distinct points on a receiver frame. Each antenna detects a magnetic field from a source and a processor is used to determine a location of the source relative to the frame using the antenna signals. Each tri-axial antenna comprises three windings in each of three channels defined by a support structure. The windings each define an aperture area. The windings have substantially identical aperture areas and have a common center point. The receiver may to display to the operator the relative location of the field source or may direct the operator to a spot directly above the field source. | 2015-04-30 |
20150115965 | Induction Logging Sensor - Apparatuses and methods are provided herein that may improve sensitivity to transient signals. For example, an electromagnetic sensor for downhole measurements that includes a plurality of sectors (e.g., four quadrants) is provided herein. Each quadrant may include a magnetic core formed of a material with a high initial magnetic permeability to improve sensitivity to transient signals. A sensor for continuous wave induction tools is also provided, and may include a magnetic core formed of a material with a high initial magnetic permeability. Forming each sector magnetic core of a material with a high mechanical reliability may allow the magnetic core of the corresponding sensor to be pliable and flexible and not brittle and prone to breaking. Furthermore, the corresponding sensor may have enhanced sensitivity, greater stability of sensitivity relative to temperature changes, and high mechanical reliability. | 2015-04-30 |
20150115966 | EVSE WELDED CONTACTOR DETECTOR - In at least one embodiment, provided is an electric vehicle supply equipment having a line power contactor including a first line power input and a second line power input and a first line power output and a second line power output. It further has a welded contactor detector with a contactor sense circuit, the sense circuit having a first line shunt resistor network connected from the first line power contactor output to ground and a second line shunt resistor network connected from the first line power contactor output to ground. In another embodiment provided is an EVSE including a welded contactor detector with a contactor sense circuit having a bias resistor connected between the hot line relay input and the neutral line relay output. | 2015-04-30 |
20150115967 | ELECTRIC SWITCH - The invention relates to an electric switch, in particular a rocker switch, comprising a contact system and comprising a movable actuating element for switching over the contact system between two switch positions, in particular an on position and an off position. The switch has a drivable actuator, which is operatively connected to the actuating element in such a way that the actuating element in at least one of the two switch positions is moved, on driving of the actuator, into the other switch position by the actuator for switching the contact system. In particular, the actuating element is moved by the actuator from the on position to the off position of the contact system. | 2015-04-30 |
20150115968 | Ultrasonic Device Detecting Charging / Discharging Status of Flow-Cell Pack - A device is provided for detecting a charging and discharging status of a flow-cell pack. During charging and discharging course of the flow-cell pack coordinated with electrolyte storage tanks and actuators, ultrasonic sensors of ultrasonic detection devices are used to sense sonic vibration generated by fluid flow in the flow-cell pack. Thus, the charging and discharging status of the flow-cell pack is detected for adjusting related parameters. The present invention has a simple structure, runs without using extra power supply, does not hinder performance of flow cell, and obtains charging and discharging status of flow cell accurately and rapidly. | 2015-04-30 |
20150115969 | STORAGE BATTERY ANALYSIS SYSTEM, STORAGE BATTERY ANALYSIS METHOD AND STORAGE BATTERY ANALYSIS PROGRAM - A storage battery analysis system includes a storage device storing data of time series variation of a voltage value and a current value during a charging period of a storage battery and data of time series variation of the voltage value and the current value during the charging period of the storage battery; and an arithmetic device that executes a process to read out the time series variation data of the voltage value and the current value during the charging period of the battery, compares the read time series variation data, identifies a difference in the time series variation between the initial usage period and the analysis period, and stores in the storage device the difference as an index indicating a degradation state of the storage battery. | 2015-04-30 |
20150115970 | METHOD FOR DETERMINING AN OVERALL LOSS OF CAPACITANCE OF A SECONDARY CELL - A method for determining an overall loss of capacitance of a secondary cell, for example of an accumulator, which is brought about by ageing processes is provided. The overall loss of capacitance is determined additively from partial losses of capacitance which are determined by means of various parameters from various functions. A partial loss of capacitance is determined under constant peripheral conditions. If the peripheral conditions change, the partial losses of capacitance follow one another directly, i.e. with respect to the same loss of capacitance. The interval of the respective charge throughput rate is shifted here. The overall loss of capacitance of a secondary cell can be extended to the overall loss of capacitance of a package composed of a plurality of secondary cells. | 2015-04-30 |
20150115971 | ELECTRONIC APPARATUS, INPUT APPARATUS FOR DISPLAY APPARATUS, AND METHOD OF DETECTING REMAINING UTILITY OF BATTERY OF THE SAME - An electronic apparatus, an input apparatus and a method of determining a remaining utility of a battery of the same, the electronic apparatus including: a battery configured to supply power to the electronic apparatus; a first detector configured to receive a voltage value of the battery, to convert the voltage value into a signal, and to output the signal; a second detector configured to detect a decrease in the voltage value of the battery to a reference voltage or lower and to output a detection result; and a controller configured to receive the output values of the first and second detectors, to determine a remaining utility of the battery based on the output values of the first and second detectors, and to determine an abnormal state of the battery based on the output values of the first and second detectors. | 2015-04-30 |
20150115972 | APPARATUS AND METHOD FOR DIAGNOSING MALFUNCTION OF HIGH VOLTAGE RELAY DEVICE - The apparatus for diagnosing malfunction of a high voltage relay includes: first and second relays configured to connect or disconnect a battery and a circuit using the battery as a power source in each electrode; a voltage measuring unit configured to measure a first voltage between a battery side terminal or a circuit side terminal, among terminals of the first relay, and a circuit side terminal or a battery side terminal, among terminals of the second relay, and measure a second voltage between the battery side terminals or between the circuit side terminals; and a controller configured to determine whether the first or second relay malfunctions based on the first and second voltage values measured by the voltage measuring unit by controlling connection and disconnection of the first or second relay. | 2015-04-30 |
20150115973 | DEVICE FOR ELECTRICALLY TESTING THE INTERCONNECTIONS OF A MICROELECTRONIC DEVICE - A simultaneous electrical testing device for TSV interconnection elements passing through a substrate and including one end connected to an integrated testing circuit and another end to a removable connection mechanism assembled to the substrate through an anisotropic conductive glue. | 2015-04-30 |
20150115974 | METHOD FOR DETERMINING MAINTENANCE TIME FOR CONTACTS, AND TESTING APPARATUS - A method for maintaining a contact of a connection jig for connecting between a target object to be subjected to an electrical test and a testing apparatus configured to conduct the electrical test on the target object includes: detecting a change in voltage upon supply of power for the electrical test to a test point on the target object through the contact; and issuing maintenance information indicating the contact is abnormal, upon detection of a portion where the voltage does not successively rise. | 2015-04-30 |
20150115975 | SYSTEMS AND METHODS FOR DETERMINING ELECTRICAL CONNECTIVITY | 2015-04-30 |
20150115976 | CONTINUOUS WEB INLINE TESTING APPARATUS, DEFECT MAPPING SYSTEM AND RELATED METHODS - In at least selected embodiments, an industrial size continuous Hipot testing system has defect mapping capability capable of finding pinholes, weak spots, and/or embedded conductive particles in non-conductive sheet materials. Continuous testing is made possible through a pair of uniquely designed rollers, such as conductive polymer rollers. Automatic defect mapping is also incorporated into the system through the integration of the Hipot testing and line scan camera systems. The unit potentially has wide applications in many industries, such as, for example, semi-conductors and electronics, medical, high end packaging, and so forth. | 2015-04-30 |
20150115977 | CURRENT-MODE COARSE-BASELINE-CORRECTION - The embodiments herein are generally directed to using a current-mode CBC circuit to maintain a voltage bias setting at a receiver when performing capacitive sensing. To do so, the CBC circuit may compensate for the change in voltage at a receiver by providing a current at the input of the receiver. Instead of using a passive CBC capacitor for each receiver, the input device may use a single CBC capacitor and a plurality of current mirrors to source and sink the current required to correct the input voltage at a plurality of receivers. As a result, the current-mode CBC circuit includes only one passive capacitor (or bank of capacitors) and a plurality of current mirrors which may provide space and cost benefits relative to a CBC circuit that uses a passive capacitor (or bank of capacitors) for each receiver channel. | 2015-04-30 |
20150115978 | CALIBRATION OF AN ANTENNA ARRAY - An antenna system including at least one antenna connected to a captured signal processing receiver, an antenna protection radome; and a plurality of electro-optical probes distributed on or inside of the radome. | 2015-04-30 |
20150115979 | MULTIPHASE METER - A multiphase meter system including: transmitting and receiving antennas in the flow pipe, wherein the receiving antennas are at different distances from the transmitting antenna, and a control system configured to: apply an electromagnetic field to the transmitting antenna and receive signals from the receiving antenna induced in the fluid or the pipe by the transmission of the electromagnetic field; calculate a resonance quality of the signals received by at least one of the first and second receiver antennas; calculate composition or salinity of the fluid based on the resonance quality if the resonance quality is greater than a threshold value, and calculate composition or salinity of the fluid based on a transmission time difference of the signals received from the first receiver antenna and the signals received by the second receiver antenna if the resonance quality is below the threshold value. | 2015-04-30 |
20150115980 | SYSTEMS AND METHODS FOR INSPECTING REINFORCED CONCRETE STRUCTURES - An inspection system for a metal-reinforced concrete structure is described. The system includes a radio frequency (RF) system configured to be movable with respect to a surface of the concrete structure while transmitting radio signals into the interior of the structure, and receiving reflected radio signals. The system also includes a processor configured to process the reflected radio signals, so as to obtain a focused image of the reinforcement in at least one selected region within the concrete structure. The image corresponds to the physical condition of the reinforcement. A method for determining the condition of a reinforced concrete structure is also described, utilizing the inspection system. | 2015-04-30 |
20150115981 | DETECTION METHOD AND APPARATUS FOR REDUCED CROSS -TALK AND ASIC AREA OF A FINGERPRINT SENSOR - A method and apparatus for electrical detection of a finger print has a reduced number of interconnect signals between a sensor area and a substrate and an electronic circuit for excitation and detection of the finger print compared to a single—chip finger print sensor. The individual signals are connected internally at the sensor substrate in such a way that the response from the individual sensor elements can be separated from each other. Cross-talk is reduced by keeping the sensor outputs at a constant potential, thus eliminating the effect of capacitive coupling between different sensor outputs and also between sensor outputs and a ground or reference potential. | 2015-04-30 |
20150115982 | Structures and Methds for Monitoring Dielectric Reliability With Through-Silicon Vias - Embodiments of the present invention provide a variety of structures and method for detecting abnormalities in the back-end-of-line (BEOL) stack and BEOL structures located in close proximity to through-silicon vias (TSVs) in a 3D integrated chip. The detected abnormalities may include stress, strain, and damage that will affect metallization continuity, interfacial integrity within a metal level, proximity accuracy of the TSV placement, and interlevel dielectric integrity and metallization-to-TSV dielectric integrity. Additionally, these structures in conjunction with each other are capable of determining the range of influence of the TSV. That is, how close to the TSV that a BEOL line (or via) needs to be in order to be influenced by the TSV. | 2015-04-30 |
20150115983 | SENSING METHOD AND SYSTEM - A system that includes a sensor for measuring a resonant impedance spectral response of an inductor-capacitor-resistor (LCR) resonator and correlating the measured response of one or more spectral parameters to one or more characteristics of the fluid. Such characteristics may be the age or health of the fluid and/or the identification of and concentration of components in the fluid. | 2015-04-30 |
20150115984 | Theft Detection and Prevention in a Power Generation System - A system for generation of electrical power including an inverter connected to a photovoltaic source including a theft prevention and detection feature. A first memory is permanently attached to the photovoltaic source. The first memory is configured to store a first code. A second memory is attached to the inverter. The second memory configured to store a second code. During manufacture or installation of the system, the first code is stored in the first memory attached to the photovoltaic source. The second code based on the first code is stored in the second memory. Prior to operation of the inverter, the first code is compared to the second code and based on the comparison; the generation of the electrical power is enabled or disabled. | 2015-04-30 |
20150115985 | Temperature and Supply Voltage Independent DC-DC Current Sensing - The present document relates to a current sensing circuit. In particular, the present document relates to a current sensing circuit which provides reliable indications of the current through a transistor. A current sensing circuit configured to provide an indication of a load current through a pass device is described. The current sensing circuit comprises a sensing replica of the pass device and a sensing resistor arranged in series with the sensing replica. The sensing resistor is arranged such that a voltage drop at the sensing resistor provides an indication of the load current through the pass device. | 2015-04-30 |
20150115986 | ALIGNMENT TESTING FOR TIERED SEMICONDUCTOR STRUCTURE - Among other things, one or more techniques or systems for evaluating a tiered semiconductor structure, such as a stacked CMOS structure, for misalignment are provided. In an embodiment, a connectivity test is performed on vias between a first layer and a second layer to determine a via diameter and a via offset that are used to evaluate misalignment. In an embodiment, a connectivity test for vias within a first layer is performed to determine an alignment rotation based upon which vias are connected through a conductive arc within a second layer or which vias are connected to a conductive pattern out of a set of conductive patterns. In this way, the via diameter, the via offset, or the alignment rotation are used to evaluate the tiered semiconductor structure, such as during a stacked CMOS process, for misalignment. | 2015-04-30 |
20150115987 | APPARATUS AND METHOD FOR TESTING PORTABLE DEVICES - An apparatus is disclosed for testing portable devices. The apparatus includes a base upon which the portable device is mounted, and a top mold which fits over the base to immobilize the portable device. Templates can also be formed on the top mold or base. The templates contain test patterns that are defined by a plurality of apertures. A stylus is used to test the portable device by engaging or contacting different locations through the apertures in the test pattern. | 2015-04-30 |
20150115988 | AUTOMATION TESTING SYSTEM FOR TESTING A MOTHERBOARD - An automation testing system for testing a motherboard includes a frame, a first jig plate, a second jig plate, a platform, a first driving mechanism, a second driving mechanism and a console computer. The frame includes a track, a debug docking board is detachably disposed on the first jig plate for docking with the motherboard, the platform is slidably installed on the track and disposed between the first jig plate and the second jig plate, and the platform is for holding the motherboard. The console computer controls the first driving mechanism to drive the platform to move in a first direction along the track, and controls the second driving mechanism to drive the second jig plate to move in a second direction perpendicular to the first direction. | 2015-04-30 |
20150115989 | SEMICONDUCTOR EVALUATION APPARATUS - A semiconductor evaluation apparatus includes a jig for evaluation and a probe substrate. The jig for evaluation is provided such that a plurality of semiconductor devices can be placed thereon. The probe substrate is provided so as to face the jig for evaluation, and includes a contact probe. The jig for evaluation includes a plurality of housing portions divided by a frame portion such that the plurality of semiconductor devices can be separately placed on the plurality of housing portions, respectively. The semiconductor evaluation apparatus is configured such that the contact probe can be brought into contact with a plurality of elements in the state where a space is provided by bringing the frame portion and the probe substrate in proximity to each other. In this space, each of the plurality of semiconductor devices is placed between a corresponding one of the plurality of housing portions and the probe substrate. | 2015-04-30 |
20150115990 | DIE STACK TEST ARCHITECTURE AND METHOD - A test control port (TCP) includes a state machine SM, an instruction register IR, data registers DRs, a gating circuit and a TDO MX. The SM inputs TCI signals and outputs control signals to the IR and to the DR. During instruction or data scans, the IR or DRs are enabled to input data from TDI and output data to the TDO MX and the top surface TDO signal. The bottom surface TCI inputs may be coupled to the top surface TCO signals via the gating circuit. The top surface TDI signal may be coupled to the bottom surface TDO signal via TDO MX. This allows concatenating or daisy-chaining the IR and DR of a TCP of a lower die with an IR and DR of a TCP of a die stacked on top of the lower die. | 2015-04-30 |
20150115991 | MAINTENANCE CARRIAGE FOR WAFER INSPECTION APPARATUS AND MAINTENANCE METHOD FOR WAFER INSPECTION APPARATUS - A maintenance carriage of a wafer inspection apparatus can easily unload a test head. A wafer inspection apparatus | 2015-04-30 |
20150115992 | GLASS SUBSTRATE FOR ELECTRONIC AMPLIFICATION AND METHOD FOR MANUFACTURING THE SAME - There is provided a glass substrate for electronic amplification having through holes formed on a plate-like glass member and used for causing an electron avalanche in the through holes, wherein a shape of the glass substrate for electronic amplification and a material of the glass member are determined so that an insulation resistance in a plate thickness direction per plane of 100 cm | 2015-04-30 |
20150115993 | STRUCTURE AND METHOD FOR TESTING STACKED CMOS STRUCTURE - A test structure is provided for testing a semiconductor structure having a plurality of tiers. The test structure includes at least one conductive loop. Each respective conductive loop has ends defining at least one opening between the ends, and is embedded inside one or more of the plurality of tiers in the semiconductor structure. The test structure also includes at least two test pads on each respective conductive loop. The at least two test pads are connected with respective ends of each respective conductive loop. The test structure is configured to permit detection of defects within each of the plurality of tiers in the semiconductor structure if the defects exist, using a testing apparatus. | 2015-04-30 |
20150115994 | OPTIMIZATION OF INTEGRATED CIRCUIT RELIABILITY - A per-chip equivalent oxide thickness (EOT) circuit sensor resides in an integrated circuit. The per-chip EOT circuit sensor determines electrical characteristics of the integrated circuit. The measured electrical characteristics include leakage current. The determined electrical characteristics are used to determine physical attributes of the integrated circuit. The physical attributes, including EOT, are used in a reliability model to predict per-chip failure rate. | 2015-04-30 |