51st week of 2011 patent applcation highlights part 19 |
Patent application number | Title | Published |
20110309798 | LITHIUM ION SECONDARY BATTERY, BATTERY PACK, HYBRID ELECTRIC VEHICLE, BATTERY PACK SYSTEM, AND CHARGE-DISCHARGE CONTROL METHOD - A lithium ion secondary battery ( | 2011-12-22 |
20110309799 | System and Method for Extending the Usable Capacity of a Battery Pack - Systems and methods for extending the useable capacity of a battery pack are disclosed. In one example, flyback transformers supply charge to lower capacity battery cells to extend battery output. | 2011-12-22 |
20110309800 | BATTERY MAINTENANCE DEVICE WITH THERMAL BUFFER - A battery maintenance device configured to maintain a storage battery. An electrical connection couples the battery maintenance device to the storage battery. Maintenance circuitry couples to the battery through the electrical connection and performs maintenance on the battery. The maintenance circuitry includes an electrical load configured to draw an electrical current from the battery. The electrical current causes the electrical load to heat. A phase change material is thermally coupled to the load. The phase change material has a specific heat index which has a non-linear relationship to temperature to thereby reduce a rate of change in temperature of the electrical load. | 2011-12-22 |
20110309801 | CHARGING CONTROL SYSTEM - In a charging control system for recording data regarding charging a secondary battery, a status recording unit refers the charging voltage value and the charging current value and records the referred charging voltage, the referred charging current and reference time when the charging current value is referred and time when the charging voltage value is referred, on the recording unit. A battery protecting unit stops the charging the secondary battery when the charging voltage exceeds the predetermined target voltage value. The status recording unit starts recording of the charging voltage value, the charging current value, and the reference time on the recording unit, when the charging voltage exceeds the target voltage value as a result of a fail in stopping the charging by the battery protecting unit because of occurrence of a trouble in the battery protecting unit. | 2011-12-22 |
20110309802 | CLOSED LOOP CHARGER FOR LEAD-ACID BATTERIES - Embodiments of apparatus and methods for charging a battery are disclosed. The apparatus may comprise a connector configured to electrically couple to a battery, an adjustable current source capable of supplying current to the connector at a plurality of charge rates, and a resistor network configured to bias the adjustable current source to supply current at one of the plurality of charge rates in response to a digital input signal. The method may comprise receiving a digital input signal having a plurality of bits, the digital input signal indicating a desired charge rate for the battery, configuring a resistor network in response to the digital input signal, biasing an adjustable current source using the configured resistor network, and supplying current to the battery at the desired charge rate using the adjustable current source. | 2011-12-22 |
20110309803 | Method for Switching an Electrical Load in a Bridge Branch of a Bridge Circuit, and Bridge Circuit - In one embodiment, a method for switching an electrical load having at least one capacitive component and one inductive component in a bridge branch of a bridge circuit comprises a charging of the bridge branch to a first voltage (V | 2011-12-22 |
20110309804 | CONTROL DEVICE OF WIND TURBINE GENERATOR AND CONTROL METHOD THEREOF - A control device of a wind turbine generator capable of controlling an active power based on an instruction value, includes a measurement means configured to measure a frequency of a utility grid. The instruction value for controlling the active power is generated to a direction suppressing a variation of the frequency of the utility grid based on conversion information which indicates a predetermined relation between the variation of the frequency and the instruction value when the variation of the frequency of the utility grid measured by the measurement means exceeds a predetermined standard. A wind turbine generator which controls suppression of a disturbance of a grid in its initial stage is realized. | 2011-12-22 |
20110309805 | METHOD FOR OPERATING A DOUBLY FED PERMANENT MAGNET SYNCHRONOUS MACHINE, AND A SYSTEM COMPRISING SUCH A MACHINE AND A CONVERTER - A method for operating a doubly fed permanent magnet synchronous machine and a system including such a machine and a converter for feeding and withdrawal of power. The machine has two or more winding groups where at least one winding group is connected directly to a grid and at least one winding group has the possibility to be connected to the grid via a power electronics converter or directly. | 2011-12-22 |
20110309806 | Rotor Electromagnetically Coupled with Stator - An apparatus in an example comprises a stator and a rotor. The stator comprises one or more coils. At least one coil of the one or more coils comprises one or more windings about a hollow spool. The hollow spool comprises a stator conveyor. The stator conveyer comprises a coolant that is located on an inner surface of the hollow spool. The rotor is electromagnetically coupled with the stator. The rotor comprises a plurality of permanent magnets. | 2011-12-22 |
20110309807 | ELECTRONIC DEVICE FOR SWITCHED DC-DC CONVERSIONAND METHOD FOR OPERATING THE SAME - An electronic device for switched DC-DC conversion of an input voltage level into an output voltage level, comprising a first power switch and a second power switch, being connected in parallel and having a different gate width, and a driving stage that is configured to selectively drive the first power switch and/or second power switch depending on a load current output. | 2011-12-22 |
20110309808 | BIAS-STARVING CIRCUIT WITH PRECISION MONITORING LOOP FOR VOLTAGE REGULATORS WITH ENHANCED STABILITY - A regulator circuit includes a voltage regulator having a stability control input and an output for providing a regulated output voltage, an amplifier circuit having an input for receiving an error voltage of the voltage regulator, and an output, and a control circuit having an input coupled to the output of the amplifier and an output coupled to the stability control input of the voltage regulator, such that the regulator stability is maximized while the error voltage is minimized. The voltage regulator includes an LDO voltage regulator, the amplifier circuit includes an operational amplifier circuit, and the control circuit includes a load-sensing or load-replicating circuit. | 2011-12-22 |
20110309809 | HIGH POWER DC SSPC WITH CAPABILITY OF SOFT TURN-ON TO LARGE CAPACITIVE LOADS - Pre-charge circuitry allows capacitive loads connected to a solid state power controller to be gradually charged up by a PWM, generated with a cycle by cycle current limit, switching a single MOSFET in series with an inductor, before the SSPC is turned on. The pre-charge circuitry may require only three additional components, e.g., a MOSFET, an inductor and a diode, along with a designated MOSFET gate driver. | 2011-12-22 |
20110309810 | Electronic Circuit and Semiconductor Arrangement With a Load, a Sense and a Start-Up Transistor - Disclosed is an electronic circuit with a first load terminal, a second load terminal, a supply terminal configured for having a charge storage arrangement connected thereto, and a load transistor, a current sense circuit with a sense transistor, and a start-up circuit with a start-up transistor. | 2011-12-22 |
20110309811 | REGULATOR APPARATUS - A regulator apparatus having an input terminal and an output terminal, the regulator apparatus includes: a plurality of regulators arranged in parallel between the input terminal and the output terminal; an conversion efficiency characteristic information obtaining unit that obtains conversion efficiency characteristic information representing a characteristic of a conversion efficiency with respect to an output current with regard to each of the plurality of regulators; a memory that stores the conversion efficiency characteristic information of each of the plurality of regulators obtained by the conversion efficiency characteristic information obtaining unit; and a switching control unit that performs a switching control on the plurality of regulators based on a value of the output current output from the output terminal and the conversion efficiency characteristic information stored in the memory. | 2011-12-22 |
20110309812 | SWITCHING REGULATOR WITH INPUT CURRENT LIMITING CAPABILITIES - A switching regulator includes a capacitor, a charge control circuit, a discharge detector, a switch circuit, and a feedback circuit. The charge control circuit charges and discharges the capacitor. The discharge detector has an input coupled to the capacitor to detect when the capacitor has discharged to a predetermined level to indicate an over-current condition. The switch circuit is coupled to receive an input voltage. The switch circuit is made conductive and non conductive by a switching signal for supplying an output voltage at a regulated voltage level. The duty cycle of the switching signal is reduced in response to an indication of an over-current condition. The feedback circuit is for controlling a discharge rate of the capacitor. | 2011-12-22 |
20110309813 | Field Device of Process Automation - A field device of process automation technology having an interface for output of an electrical current signal and a specifying unit, which provides a value, on which depends an electrical current signal to be output via the interface. A first controllable electrical current sink and a second controllable electrical current sink are provided. The first controllable electrical current sink and the second controllable electrical current sink are settable to predeterminable electrical current levels, and that the first controllable electrical current sink and the second controllable electrical current sink are connected with the interface in such a manner that the electrical current signal which at the interface essentially depends on the lower of the predeterminable electrical current levels, to which the first controllable electrical current sink and the second controllable electrical current sink are set. | 2011-12-22 |
20110309814 | USE OF AUXILIARY CURRENTS FOR VOLTAGE REGULATION - One embodiment relates to an apparatus that includes at least one circuit block and a voltage source configured to supply a first voltage to the at least one circuit block. The apparatus also includes a power delivery unit configured to be selectively activated based on a whether a quantity of power is to be delivered from the power delivery unit to the circuit block. A control unit is configured to, upon a change in power consumption of the at least one circuit block, activate the auxiliary power delivery unit to deliver the quantity of power to the circuit block. The auxiliary power delivery unit can quickly supply large currents since it does not necessarily rely on slow control loops using voltage sensing. Rather, the auxiliary power delivery unit often delivers pre-calculated current profiles to respond to the timing characteristic of the change of power consumption and of the voltage regulator. | 2011-12-22 |
20110309815 | POWER CONVERTER AND METHOD OF POWER CONVERSION - A power converter includes a power converting unit and a driving circuit. The power converting unit generates a DC output voltage based on a pull up driving signal, a pull down driving signal, and a DC input voltage. The driving circuit compensates for an inductor peak current, and performs in a pulse-frequency-modulation (PFM) mode and a pulse-width-modulation (PWM) mode to generate the pull-up driving signal and the pull-down driving signal based on the DC output voltage and the compensated inductor peak current. The power converter performs a mode transition between the PFM and PWM modes at a uniform load current, even when a magnitude of the DC output voltage varies. | 2011-12-22 |
20110309816 | AC VOLTAGE CONTROLLER - An AC voltage controller has two transistors which can be positioned between two AC voltage terminals in series with a load. The two transistors are connected in series in such a way that their respective source terminals are connected to one another. The AC voltage controller also contains a signal generator for generating a switching signal for actuating the two transistors, a buffer which is connected downstream of the signal generator and which is set by the signal generator in order to actuate the two transistors. An actuation circuit or driver circuit is connected downstream of the buffer, for the purpose of actuating the two transistors in accordance with the set state of the buffer. A current-limiting circuit is provided for limiting or switching off the current through the two transistors in the case of an excessively large current through the load. | 2011-12-22 |
20110309817 | DC-DC BOOST CONVERTER CIRCUIT AND METHOD FOR DRIVING THE SAME - Disclosed herein are a DC-DC boost converter circuit, which is capable of preventing power loss and stabilizing switching elements by implementing soft switching and improving efficiency by adding a charge pumping function, and a method for driving the same. The DC-DC boost converter circuit, in which an inductor and an output diode are connected in series and an output capacitor and a load are connected to an output port of the output diode in parallel, includes an output stabilization circuit in which first and second switching elements, a transformer, a plurality of boost capacitors, and a plurality of diodes are connected in series/parallel between the inductor and the output diode. | 2011-12-22 |
20110309818 | LOW-VOLTAGE SOURCE BANDGAP REFERENCE VOLTAGE CIRCUIT AND INTEGRATED CIRCUIT - A low-voltage source bandgap reference voltage circuit is provided. In the circuit, a differential amplification module ( | 2011-12-22 |
20110309819 | REGULATOR CIRCUIT - There is provided a regulator circuit capable of increasing the capacity of the output transistor for supplying current, stably generating an internal power supply voltage and adapting to the reduction of a power supply voltage. The regulator circuit includes an output transistor which is supplied with an external power supply voltage and supplies dropped voltage to an internal circuit, a differential amplifier for outputting a gate potential applied to the gate of the output transistor, a reference voltage generating circuit for supplying a reference voltage to the differential amplifier, and a cut-off transistor for turning off the output transistor to stop supplying power to the internal circuit. The output transistor is comprised of a depression NMOS transistor whose threshold voltage is a negative voltage. The regulator circuit further includes substrate potential control means for controlling the substrate potential of the depression NMOS transistor. | 2011-12-22 |
20110309820 | METHOD AND SYSTEM FOR INDICATING FAULTS IN AN ELECTRICITY METER - A method and system for determining a health of a metering system are provided. The metering system includes a meter base including a meter bus couplable between an electrical source and an electrical load, a plurality of sensors configured to determine electrical characteristics of electrical power in the meter bus, and a processor configured to execute at least one code segment. The code segments instruct the processor to determine revenue parameters for the metering system, determine at least one fault of a plurality of possible faults associated with the operation of the metering system using outputs from the plurality of sensors, the determination of the revenue parameters, and a processing fault generated by the processor, determine a severity level of each of the at least one faults, and determine a single value for a health of the metering system using the determined at least one fault. | 2011-12-22 |
20110309821 | FREQUENCY MEASURING DEVICE AND ODOR SENSOR AND ELECTRONIC EQUIPMENT WHICH ARE PROVIDED WITH THE FREQUENCY MEASURING DEVICE - A frequency measuring device according to an embodiment of the invention includes a first resonator provided with a first adsorption film, a second resonator provided with a second adsorption film, a first oscillation circuit which is connected to the first resonator and is provided with a first frequency regulator that can regulate the frequency of a first oscillation signal and output the first oscillation signal, a second oscillation circuit which is connected to the second resonator and is provided with a second frequency regulator that can regulate the frequency of a second oscillation signal and output the second oscillation signal, a measuring circuit which can measure the frequencies of the first oscillation signal and the second oscillation signal, and a control circuit which can control the first frequency regulator and the second frequency regulator. | 2011-12-22 |
20110309822 | SENSITIVITY SENSOR SYSTEM - A sensor system for receiving an input signal and applying a digital control signal to adjust an output sensitivity of a triggering signal within the sensor system. The input signal includes a bias DC and a fluctuation bias voltage. The sensor system includes a first voltage contact, a normalized voltage contact, a normalized circuit and a comparison circuit. The first voltage contact provides a first comparison voltage based on the digital control signal, wherein the first comparison voltage defines a standby voltage region. The normalized voltage contact provides a reference voltage based on the digital control signal, wherein the reference voltage is located within the standby voltage region. When the fluctuation bias voltage is located outside of the standby voltage region, the sensor system outputs a triggering signal so as to adjust the digital control signal. | 2011-12-22 |
20110309823 | Replaceable Probe Head Having An Operational Amplifier - A detachable, replaceable, and/or disposable probe head connectable to a probe body containing electronics, a probe that includes the probe head and the probe body, and the combination of a sonde and the probe are described herein. The probe head includes a housing that has a coupling member for detachably connecting the housing to the probe body, in particular to the electronics in the probe body. The probe head also includes a sensor and an electrical connector at least partially housed within the housing, and an operational amplifier electrically coupling the sensor to the electrical connector. | 2011-12-22 |
20110309824 | ROTATION DETECTING DEVICE AND BEARING HAVING ROTATION DETECTING DEVICE - Provided are a rotation detecting device that highly precisely detects absolute angle with low noise, as well as a bearing assembly with such a rotation detecting device. Such a rotation detecting device includes magnetic encoders arranged coaxially with different number of magnetic poles as well as magnetic sensors that detect magnetic fields of those encoders. Each of the magnetic sensors can detect the encoders within each magnetic pole, and includes sensor elements as well as a phase detector that determines the phase of the sensor element in reference to a detected magnetic field signal and then outputs an ABZ phase signal. Such a rotation detecting device further includes a phase difference detector that determines a phase difference of the magnetic field signals in reference to an output from the phase detectors and an angle calculator that calculates the absolute angle of the encoders based on the detected phase difference. | 2011-12-22 |
20110309825 | Simplified Micro-Magnetic Sensor for Acceleration, Position, Tilt, and Vibration - A simplified micro-magnetic based sensor and a system built with it for detecting or measuring acceleration, speed, position, placement, tilt, and vibration are disclosed for a reduced product size, simplified manufacturing process, and reduced product cost. Both simplified micro-magnetic sensor and simplified micro-magnetic sensor system include a primary micro inductor and a secondary micro inductor coupled with a micro magnetically permeable dynamic medium element that is small, simple and low cost to manufacture. | 2011-12-22 |
20110309826 | DEVICE FOR DETECTING A ROTATIONAL ANGLE OF A ROTATABLE PART - An apparatus for sensing a rotation angle of a rotatable part, preferably a steering wheel or steering column of a vehicle includes at least one magnet, at least one sensor that senses the magnetic field of the magnet, at least one housing in which the sensor and/or magnet are disposed movably relative to one another, wherein a hub is provided which is connected to the magnet to yield an integrated component, and which is connectable to the rotatable part. | 2011-12-22 |
20110309827 | ANGLE SENSOR - An assembly for sensing the angular position of a rotatable shaft includes a bearing ring, a driving gear, and a measuring gear. The bearing ring is connectable to the shaft and has two recesses. The driving gear is rotatable about a rotational axis and has two entraining elements. The entraining elements extend radially toward the rotational axis of the driving gear and are arranged opposite one another with respect to the circumference of the driving gear. The entraining elements respectively penetrate into the recesses of the bearing ring such that the driving gear is connected to the bearing ring and rotates as the bearing ring rotates. The measuring gear is rotatable about a rotational axis and is engaged with the driving gear such that the measuring gear rotates as the driving gear rotates. One of the entraining elements is resilient. | 2011-12-22 |
20110309828 | METHOD FOR MEASURING SLOW ROLL CHARACTERISTICS OF PARTIALLY MACHINED SHAFT OF AN ELECTRODYNAMIC MACHINE - An electrodynamic machine shaft slow roll measurement testing and remediation method that can be performed on a partially machined shaft. Upon completion of slow roll tests on a partially machined shaft the manufacturer may complete machining of shafts that successfully meet the test specification. If a partially machined shaft fails the test specification, the manufacturer at its option may attempt to remediate the shaft, so that it successfully meets slow roll specification upon re-testing. Exemplary remediation steps may include further concentricity machining to reduce mechanical runout or shaft treatment, such as by heating and/or quenching to reduce electrical runout. Partially machined shafts that fail slow roll test specifications (with or without remediation efforts) may be scrapped or otherwise recycled without, completing final machining operations. | 2011-12-22 |
20110309829 | Assembly for measuring at least one component of a magnetic field - The assembly for measuring at least one component (x, y, z) of an applied magnetic field (H) including a surface area made of soft-magnetic material that is applied in the chip plane and separated into two partial regions ( | 2011-12-22 |
20110309830 | CURRENT DETECTING AND INDICATING DEVICE - A current detecting and indicating device includes a detection unit and a display unit. The detection unit has a power module, a current detecting module, a multiplexer module and a transmission module. The power module includes positive and negative electrodes. The current detecting module includes a plurality of upper-limit switching units and a lower-limit switching unit. Each upper-limit switching unit has two ends coupled to the positive and negative electrodes, and the lower-limit switching unit has two ends coupled to the positive and negative electrodes. The multiplexer module includes a first input port and a first output port. The transmission module includes a micro-controller unit and a transmission device. The micro-controller unit includes a low-level end, a high-level end and a second input port. The second input port is coupled to the first output port. The display unit is coupled to the transmission device for receiving signals therefrom. | 2011-12-22 |
20110309831 | SIDE CHAIN DEUTERATED AMINO ACIDS AND METHODS OF USE - Protein structural determination using NMR techniques is improved through use of proteins in which one or more amino acids in the peptidic sequence are isotopically enriched in the sidechain with | 2011-12-22 |
20110309832 | SYSTEM AND METHOD FOR PARALLEL TRANSMISSION IN MR IMAGING - A system and method for selectively operating an array of RF receive coils in a transmit mode is disclosed. The system includes an RF transmit coil configured to generate an RF field that excites nuclei of a subject to generate RF resonance signals, an array of RF receive coils to receive the RF resonance signals, and a detuning circuit coupled to each RF receive coil in the array of RF receive coils that is selectively switched between a disabled and an enabled state to control a resonance and impedance of the RF receive coil. Each RF receive coil is caused to receive RF resonance signals when its respective detuning circuit is in the disabled state and is caused to modify an amplitude and phase of the RF field generated by the RF transmit coil when its respective detuning circuit is in the enabled state. | 2011-12-22 |
20110309833 | DETERMINING RESISTIVITY ANISTOTROPY AND FORMATION STRUCTURE FOR VERTICAL WELLBORE SECTIONS - Formation properties in a vertical section of a wellbore are determined by considering the vertical section as consisting of one or more segments. Measurements are obtained with a directional resistivity tool at two or more measurement stations within each segment for which the complex 0 | 2011-12-22 |
20110309834 | DETERMINATION OF CONDUCTIVE FORMATION ORIENTATION BY MAKING WELLBORE SONDE ERROR CORRECTION - A method for determining orientation of an electrically conductive formation proximate an electrically substantially non-conductive formation includes measuring multiaxial electromagnetic induction response within the substantially non-conductive formation using an instrument disposed in a wellbore drilled through the formations. A difference from zero conductivity is determined for each component measurement of the multiaxial electromagnetic induction response. The differences are used to correct the measured response of each component measurement in the electrically conductive response. The corrected component measurements are used to determine the orientation of the conductive formation. | 2011-12-22 |
20110309835 | METHOD FOR DETERMINING SPATIAL DISTRIBUTION OF FLUID INJECTED INTO SUBSURFACE ROCK FORMATIONS - A method for determining spatial distribution of fluid injected into a subsurface rock formation includes injecting the fluid into the rock formation. The fluid includes therein electrically conductive solid particles dispersed in an electrolyte. An electromagnetic response of the formation is measured. The measured electromagnetic response is used to determine spatial distribution of the injected fluid. | 2011-12-22 |
20110309836 | Method and Apparatus for Detecting Deep Conductive Pipe - Downhole tools and techniques acquire information regarding nearby conductors such as pipes, well casing, and conductive formations. At least some method embodiments provide a current flow along a drill string in a borehole. The current flow disperses into the surrounding formation and causes a secondary current flow in the nearby conductor. The magnetic field from the secondary current flow can be detected using one or more azimuthally-sensitive antennas. Direction and distance estimates may be obtainable from the azimuthally-sensitive measurements, and can be used as the basis for steering the drillstring relative to the distant conductor. Possible techniques for providing current flow in the drillstring include imposing a voltage across an insulated gap or using a toroid around the drillstring to induce the current flow. | 2011-12-22 |
20110309837 | CHUCK MECHANISM OF CHARGE/DISCHARGE TESTING DEVICE FOR FLAT-RECHARGEABLE BATTERIES - The present invention relates to a chuck mechanism of a charge/discharge testing device for flat-rechargeable batteries and has a proposition to provide a chuck mechanism that makes it possible to lighten conventionally needed troublesome works, that is, for example, works of storing and fixing a large number of flat-rechargeable batteries in a container, and that is capable of surely chucking the flat-rechargeable batteries (electrodes). The chuck mechanism includes a first guide couplable with a battery storage retaining a plurality of flat-rechargeable batteries arranged in parallel, and a plurality of chuck units continuously joined with the first guide and resiliently arranged in parallel, wherein the chuck units each have a second guide resiliently positioning each of the chuck units with a predetermined number of corresponding flat-rechargeable batteries in the battery storage. | 2011-12-22 |
20110309838 | ADAPTIVE BATTERY PARAMETER EXTRACTION AND SOC ESTIMATION FOR LITHIUM-ION BATTERY - A system and method for estimating internal parameters of a lithium-ion battery to provide a reliable battery state-of-charge estimate. The method uses a two RC-pair equivalent battery circuit model to estimate the battery parameters, including a battery open circuit voltage, an ohmic resistance, a double layer capacitance, a charge transfer resistance, a diffusion resistance and a diffusion capacitance. The method further uses the equivalent circuit model to provide a difference equation from which the battery parameters are adapted, and calculates the battery parameters from the difference equation. | 2011-12-22 |
20110309839 | DEVICE CALIBRATION FOR BATTERY TYPE IDENTIFICATION - Some embodiments provide a system that facilitates use of an electronic device. The electronic device may be a keyboard, a mouse, a trackpad, a remote control, a wireless phone, a toy, a battery charger, and/or a camera. During operation, the system measures a loaded voltage of a calibrated voltage source connected to the electronic device. To measure the loaded voltage, the calibrated voltage source is connected to a known load in the electronic device, and a voltage measurement for the calibrated voltage source is obtained using an analog-to-digital converter (ADC) in the electronic device. | 2011-12-22 |
20110309840 | BATTERY ANOMALY DETERMINATION APPARATUS AND BATTERY ANOMALY WARNING APPARATUS - A memory stores information that stipulates a standard variable value of a battery residual quantity of a battery during an electric power supply in association with a consumed electric current. A battery anomaly determination apparatus specifies a standard variable value of the battery residual quantity corresponding to a total consumed electric current of loads connected with a battery mounted in a vehicle based on the information stored in the memory, and compares the specified standard variable value of the battery residual quantity with a detection value of the battery residual quantity of the battery mounted in the vehicle, thereby determining and warning an anomaly of the battery. | 2011-12-22 |
20110309841 | Sensor System - A modular sensor system for continuous measurement of analytes in continuous flow has a fluidic module, a sensor module, an optional reference module, and a cover part which are stacked on top of each other and firmly connected with each other so as to be releasable. The fluidic module includes a fluid duct having an inlet and an outlet. The sensor module includes a sensor compartment which has at least one sensor and is in fluid communication with the fluid duct of the fluidic module. The optional reference module is in fluid communication with the fluid duct of the fluidic module by means of a diaphragm. The cover part seals the sensor module or the reference module. | 2011-12-22 |
20110309842 | Identifying Defective Semiconductor Components on a Wafer Using Thermal Imaging - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 2011-12-22 |
20110309843 | Discontinuous Type Layer-ID Detector For 3D-IC And Method of The Same - A 3D-IC detector for each layer of a stacked device with N layer, includes a dividing-two circuit coupled to a (N−1) signal; a first comparator is coupled to the dividing-two circuit, wherein an input A is coupled to an initial layer number signal, an input B of the first comparator is coupled to an output of the dividing-two circuit; a second comparator is coupled to the initial layer number by an input A of the second comparator, and a num is coupled to an input B of the second comparator; a first Add/sub circuit is coupled to the num via an input A of the first Add/sub circuit, and coupled to the first comparator via an input B of the first Add/sub circuit, to the second comparator via an input +/−signal of the first Add/sub circuit; and a second Add/sub circuit coupled to the first comparator via an input A of the second Add/sub circuit, to the num via an input B of the second Add/sub circuit. | 2011-12-22 |
20110309844 | SYSTEM FOR MEASUREMENT WITH PEARLS - A system is provided for measurement with one or more sensors including at least one signal conductor and at least one pearl, wherein the pearl a device configured to change an impedance mismatch with an external environmental effect. | 2011-12-22 |
20110309845 | Elastomeric Conductor and Shield Fault Detection - The systems and methods described herein provide for the early detection of wire/cable faults. For example, a system may detect electrical/electronic faults with power lines, data lines, communication lines, coaxial cables, and the like (generally referred to herein as “lines”, “wires”, and “cables”) by providing sacrificial materials including a conductive material external to the lines. A processor may be coupled to the conductive material to transmit a control signal along the conductive material of the line to determine whether the line is degrading. That is, when the sacrificial material wears away and exposes the conductive sacrificial material in the line, that conductive material may begin to experience faults. The faults in the external conductive material may serve as precursors to the overall degradation of the line. Thus, the line may be repaired or replaced prior to the degradation of the line itself. | 2011-12-22 |
20110309846 | CAPACITANCE DETECTION IN ELECTROCHEMICAL ASSAY WITH IMPROVED RESPONSE - Methods and systems are provided to determine capacitance of the electrochemical test cell. | 2011-12-22 |
20110309847 | High Current Kelvin Connections and Contact Resistance Verification Method - A method and circuit is provided for implementing high current capability Kelvin connections and measuring the resistance of the contacts and connections to verify that the conducting path is capable of carrying the high current without damage or degraded performance. Included as well is the means and circuit for efficiently dividing a high current test stimulus current into 2 or more paths with low losses and voltage drops. | 2011-12-22 |
20110309848 | CONDUCTIVE CONDUCTIVITY SENSOR - In a conductive conductivity sensor having a probe, which is immersible in a measured medium and which comprises at least two electrodes made of a first, electrically conductive material and at least one probe body made of a second, electrically non-conductive material, the electrodes are at least partially embedded in the probe body and insulated from one another by the probe body, wherein the electrodes and the probe body are embodied as a composite workpiece. There especially exists between the first material and the second material in at least one section of a material transition between the first and the second material a secure bond, especially a bond based on intermolecular interactions or chemical bonds. | 2011-12-22 |
20110309849 | INSPECTION METHOD FOR INSPECTING ELECTRIC CHARACTERISTICS OF DEVICES FORMED ON TARGET OBJECT - An inspection method for inspecting electric characteristics of devices formed on a target object using an apparatus including a vertical drive mechanism for lifting and lowering a movable mounting table and a control unit for controlling the vertical drive mechanism. The vertical drive mechanism includes an elevation shaft connected to the mounting table and a servo motor for driving the elevation shaft to lift and lower the mounting table. The control unit has a servo driver including a position control part for controlling a position of the motor, a torque control part for controlling a torque of the motor as a probe card is expanded or contracted by a change in temperature and a switching part for switching the position control part and the torque control part. The method includes heating or cooling the target object, controlling a position of the motor, and controlling a torque of the motor. | 2011-12-22 |
20110309850 | Testing device and testing method - A testing device includes a pressure vessel, a mounting stand disposed in an internal space of the pressure vessel, on which a device to be tested is mounted, test electrodes, disposed in the internal space of the pressure vessel, that supply a test voltage to the device to be tested mounted on the mounting stand, and a pressurization unit that raises the pressure of the internal space of the pressure vessel. The test voltage is supplied from the test electrodes to the device to be tested mounted on the mounting stand, and testing of the device to be tested is carried out, in a condition that the pressure of the internal space of the pressure vessel is raised by the pressurization unit. | 2011-12-22 |
20110309851 | Tagging of Functional Blocks of a Semiconductor Component on a Wafer - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 2011-12-22 |
20110309852 | Simultaneously Tagging of Semiconductor Components on a Wafer - Methods and apparatus are disclosed to simultaneously, wirelessly test semiconductor components formed on a semiconductor wafer. The semiconductor components transmit respective outcomes of a self-contained testing operation to wireless automatic test equipment via a common communication channel. Multiple receiving antennas observe the outcomes from multiple directions in three dimensional space. The wireless automatic test equipment determines whether one or more of the semiconductor components operate as expected and, optionally, may use properties of the three dimensional space to determine a location of one or more of the semiconductor components. The wireless testing equipment may additionally determine performance of the semiconductor components by detecting infrared energy emitted, transmitted, and/or reflected by the semiconductor wafer before, during, and/or after a self-contained testing operation. | 2011-12-22 |
20110309853 | SECTIONAL TEST PROBE ASSEMBLY FOR ELECTRIC METER - The test probe assembly of the invention is used for an electric meter such as a multimeter or the like. The electric meter has a main body. The test probe assembly includes a pair of insulated rods, a pair of probe tips and a pair of leads. The insulated rods are separately provided with two corresponding engaging portions, so that the insulated rods can be combined or detached. One end of each probe tip is fixed in one of the insulated rods and the other ends are protrudent. The leads connect between the insulated rods and main body. The combination or detachment of the test probe assembly may form a variety of configurations for different measured objects. | 2011-12-22 |
20110309854 | Probe Card for Simultaneously Testing Multiple Dies - In accordance with an embodiment, a probe card comprises a contact pad interface comprising front side contacts and back side contacts electrically coupled together. The front side contacts are arranged to simultaneously electrically couple respective bumps of a plurality of dies on a wafer, and the back side contacts are arranged to electrically couple respective contacts of a testing structure. | 2011-12-22 |
20110309855 | METHOD AND APPARATUS FOR BYPASSING SILICON BUGS - The present invention provides a method and apparatus for bypassing silicon bugs. One exemplary embodiment of the method includes using a logic element formed on a substrate to detect a predefined trigger condition indicating onset of a functional bug during operation of a semiconductor device formed on the substrate. The method also includes modifying operation of the semiconductor device to avoid onset of the functional bug by taking a predefined action associated with the predefined trigger condition. | 2011-12-22 |
20110309856 | METHOD AND APPARATUS FOR REDUCING RADIATION AND CROSS-TALK INDUCED DATA ERRORS - The different advantageous embodiments provide an integrated circuit comprising a number of latches and a number of filters. Each latch in the number of latches has a plurality of inputs and a plurality of storage nodes. The plurality of storage nodes includes a number of pairs of circuit nodes that form a number of upsettable circuit node pairs. Each input of the plurality of inputs is connected to a corresponding storage node in the plurality of storage nodes. Each filter in the number of filters has an input and a plurality of outputs. Each of the plurality of outputs is connected to a corresponding input of the plurality of inputs of a latch in the number of latches. Each filter in the number of filters is located between two circuit nodes forming an upsettable circuit node pair of the latch in the number of latches to increase critical node spacing. | 2011-12-22 |
20110309857 | CIRCUITRY FOR MATCHING THE UP AND DOWN IMPEDANCES OF A VOLTAGE-MODE TRANSMITTER - Some embodiments of the present invention provide a voltage-mode transmitter. The transmitter can include configuration circuitry, bias circuitry, and a set of driver slices. Each driver slice can include driver transistors which drive an output value. The outputs of each driver slice can be directly or capacitively coupled with the transmitter's outputs. Each driver slice can also include one or more impedance-matching transistors which are serially coupled to at least some of the driver transistors. The configuration circuitry can configure a subset of driver slices so that the down (or up) impedance of the transmitter is within a first tolerance of a desired impedance value. The bias circuitry can bias the one or more impedance-matching transistors in each driver slice in the subset of driver slices so that the up (or down) impedance is within a second tolerance of the down (or up) impedance. | 2011-12-22 |
20110309858 | NON-VOLATILE LOGIC CIRCUIT AND A METHOD FOR OPERATING THE SAME - In a non-volatile logic circuit, a first input electrode and a second input electrode are formed on a semiconductor layer and interposed between an electric current source electrode and an output electrode in a plan view. The first input electrode is next to the second input electrode along the a direction orthogonal to the direction between the electric current source electrode and the output electrode. A method of operating the non-volatile logic circuit includes a step of writing one state selected from four states by applying voltages to the first input electrode and the second input electrode, respectively, and a step of measuring current generated by applying the voltage between the electric current power electrode and the output electrode to determine on the basis of the current, which of the high or low resistant state the non-volatile logic circuit has. | 2011-12-22 |
20110309859 | METHOD FOR OPERATING A NON-VOLATILE LOGIC CIRCUIT - In a non-volatile logic circuit, a first input electrode and a second input electrode are formed on a semiconductor layer and interposed between an electric current source electrode and an output electrode in a plan view. The semiconductor layer is disposed on a ferroelectric layer. A method of operating the non-volatile logic circuit includes a step of writing one state selected from four states by applying voltages to the first and second input electrode, respectively, a step of measuring current generated by applying the voltage between the electric current source electrode and the output electrode to determine, on the basis of the measured current, which of the high or low resistant state the non-volatile logic circuit has. | 2011-12-22 |
20110309860 | NONVOLATILE LOGIC CIRCUIT AND A METHOD FOR OPERATING THE SAME AS AN EXCLUSIVE-OR (XOR) CIRCUIT - A non-volatile logic circuit includes a control electrode, a ferroelectric layer disposed on the control electrode, a semiconductor layer disposed on the ferroelectric layer, a power electrode and an output electrode disposed on the semiconductor layer, and first to fourth input electrodes disposed on the semiconductor layer. The first and second input electrodes receive first and second inputs, respectively. The third and fourth input electrodes receive inversion signals of the second and first input signal, respectively. A resistance value of the semiconductor layer between the power electrode and the output electrode varies according to the first input signal and the second input signal so that an exclusive-OR signal of the first and second input signals is output from the output electrode. | 2011-12-22 |
20110309861 | SEMICONDUCTOR DEVICE - A semiconductor device includes a first transistor included in a latch circuit, a second transistor that is included in the latch circuit and is formed in a well in which the first transistor is formed, the second transistor having a conduction type identical to that of the first transistor, and a well contact that is provided between the first transistor and the second transistor and connects a power supply to the well. | 2011-12-22 |
20110309862 | SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit including: a first data hold circuit configured to hold an input signal from a first input terminal; a second data hold circuit configured to hold the input signal from the first input terminal and an input signal from a second input terminal; a gate circuit configured to input an output signal of the first data hold circuit and an output signal of the second data hold circuit and to output a signal corresponding to the output signals of the first and second data hold circuits when the output signals of the first and second data hold circuits are the same as each other; and a third data hold circuit configured to hold the output signal of either the gate circuit or the second data hold circuit, and outputs the output signal to an output terminal | 2011-12-22 |
20110309863 | DIFFERENTIAL AMPLIFIER, SAMPLE-AND-HOLD CIRCUIT, AND AMPLIFIER CIRCUIT - To provide a common-mode feedback circuit that feeds back signal corresponding to common-mode components of output terminal voltage of first and second amplifiers to input terminals of the first and second amplifiers via first and second passive elements connected to a common terminal, respectively. | 2011-12-22 |
20110309864 | Apparatus and Method for Generating a Timing Signal - An apparatus is provided for generating a timing signal having an input for receiving a first signal indicating successive time intervals, means for receiving a second signal indicating successive time intervals, and a generator adapted to generate a timing signal based on the second signal and on a relationship between one or more time intervals of the first signal and one or more time intervals of the second signal. This arrangement enables a timing signal to be generated using a time signal produced by a source or device and to be based on a time signal produced by another source or device. | 2011-12-22 |
20110309865 | PARALLEL SYNCHRONIZING CELL WITH IMPROVED MEAN TIME BETWEEN FAILURES - In some embodiments, a synchronizing circuit includes at least one synchronization device that operates at a lower clock frequency than another synchronization device in the synchronization circuit. In at least one embodiment of the invention, a method includes sampling a first signal at a first frequency to thereby generate a plurality of sampled versions of the first signal. The first frequency is a frequency of a clock signal divided by N. N is a number greater than one. The method includes sampling a second signal at the frequency of the clock signal. The second signal is based on sequentially selected ones of the plurality of sampled versions of the first signal to thereby generate an output version of the first signal. | 2011-12-22 |
20110309866 | DELAY-LOCKED LOOP HAVING A LOOP BANDWIDTH DEPENDENCY ON PHASE ERROR - Circuits, methods, and apparatus that vary one or more attributes or parameters of a closed-loop clock circuit as a function of a characteristic of its phase error. One example provides a delay-locked loop having a loop bandwidth that can be varied as a function of its phase error. In this specific example, current phase error is determined. This determination may be made directly, either by measuring phase error, or indirectly, by determining if phase error is within one or more ranges of values. Once the phase error is determined, the loop bandwidth can be set. In one example, the loop bandwidth is set by adjusting the depth, type, or depth and type of the delay-locked loop's loop filter. In this way, large phase errors can be reduced quickly by increasing loop bandwidth, while small phase errors can be used to decrease loop bandwidth, thereby improving jitter performance. | 2011-12-22 |
20110309867 | PHASE LOCKED LOOP - A phase locked loop includes a phase detector configured to compare a phase of an input clock with a phase of a feedback clock to produce a phase comparison result, an initial frequency value provider configured to detect a frequency of the input clock and provide a frequency detection result, a controller configured to generate a frequency control signal based on the phase comparison result and the frequency detection result, and an oscillator configured to generate an output clock in response to the frequency control signal. | 2011-12-22 |
20110309868 | Data transfer unit, data transmission device, data receiving device, and control method - A transmission LSI calculates a buffer usage rate in accordance with data stored in a buffer in a transmission data processing unit and determines, in accordance with the calculated buffer usage rate, the number of signal lines that perform a phase readjustment and the timing thereof. Then, the transmission LSI and a receiving LSI perform a phase adjustment using some of the signal lines and continues a data transfer using the rest of the signal lines. Accordingly, it is possible to maintain the optimum phase of a clock without delaying the data transfer. | 2011-12-22 |
20110309869 | DUTY CYCLE CORRECTION IN A DELAY-LOCKED LOOP - Circuits, methods, and apparatus that provide duty-cycle error correction for clock and other periodic signals. One example provides a duty-cycle correction that can be used to improve the duty cycle of a clock signal that is received by, or generated by, a delay-locked loop. This example receives an input clock signal and uses a variable delay element to construct an improved duty-cycle output clock signal. The duty cycle of the output clock is examined to determine if the delay element is providing excess or insufficient delay. The delay of the delay element is then adjusted. To improve response times, a successive approximation technique is used to determine the most significant bits of a count that adjusts the delay through the delay element. To improve accuracy, a linear technique is used to adjust the least significant bits of the count. | 2011-12-22 |
20110309870 | METHOD AND CONFIGURATION FOR GENERATING HIGH-ENERGY MICROWAVE PULSES - A method and a configuration are provided for generating high-energy microwave pulses, in particular based on HPEM technology. The objects include, on the one hand. increasing the energy density of pulses and, on the other hand, also making the relevant appliances more compact. For that purpose, a large-area configuration of a multiplicity of, preferably non-linear, semiconductor components is used in the area of the antenna, for pulse shaping. | 2011-12-22 |
20110309871 | SYSTEM AND DEVICE FOR GENERATING REFERENCE SIGNAL, AND TIMING SIGNAL SUPPLY DEVICE - Provided is a timing signal supply device that can frequently perform a phase comparison on a side of receiving a supply of a timing signal and flexibly achieve various operation modes. A GPS receiver | 2011-12-22 |
20110309872 | Voltage Spike Protection for Power DMOS Devices - A power device includes a power transistor, a capacitor with a first plate coupled to a ground node and a second plate separated from the first plate by an insulator, a first plurality of wires coupling a drain node of the power transistor to the second plate of the capacitor, a second plurality of wires coupling the second plate of the capacitor to a DC supply node, and a voltage clamping device coupled in parallel with the capacitor. The voltage clamping device is operable to limit the voltage at the second plate of the capacitor to a value below a breakdown voltage of the power transistor. | 2011-12-22 |
20110309873 | CIRCUIT HAVING GATE DRIVERS HAVING A LEVEL SHIFTER - A circuit comprises a first level shifting circuit. The level shifting circuit comprises a first and second latching differential pairs. The first latching differential pair has first and second inputs for receiving first and second input signals, first and second outputs, and first and second power supply voltage terminals for receiving a first power supply voltage. The second latching differential pair has first and second inputs coupled to the first and second outputs of the first latching differential pair, an output, and first and second power supply voltage terminals for receiving a second power supply voltage, the second power supply voltage being different from the first power supply voltage. In one embodiment, the level shifting circuit protects transistor gates of the circuit from an overvoltage. | 2011-12-22 |
20110309874 | SEMICONDUCTOR SWITCHING SYSTEM - According to one embodiment, a semiconductor switch includes a first element that includes a switching element and an anti-parallel diode. The switching element has a breakdown voltage and is coupled to a control terminal and second and third terminals. The semiconductor switch further includes a second element having a breakdown voltage lower than that of the first element. The second element is coupled to a control terminal and second and third terminals. The semiconductor switch also includes a flyback diode having a breakdown voltage substantially similar to that of the first element. A negative electrode of the first element is connected to a negative electrode of the second element and the flyback diode is connected in parallel between a positive terminal of the first element and a positive terminal of the second element. The control terminal for the first element and the control terminal for the second element are coupled to one or more control circuits independently of each other. | 2011-12-22 |
20110309875 | CONVERTER LIFETIME IMPROVEMENT METHOD FOR DOUBLY FED INDUCTION GENERATOR - The present techniques include methods and systems for operating converter to maintain a lifespan of the converter. In some embodiments, the operating frequency of the converter may be increased such that stress may be reduced on the bond wires of the converter. More specifically, embodiments involve calculating the aging parameters for certain operating conditions of the converter operating in a maximum power point tracking (MPPT) mode and determining whether the MPPT operation results in aging the converter to a point which reduces the converter lifespan below a desired lifespan. If the MPPT operation reduces the converter lifespan below the desired lifespan, the frequency of the converter may be increased such that the converter may be controlled to operate at a percentage of MPPT. Thus, in some embodiments, power output may be optimized with respect to maintaining a desired lifespan of the converter. | 2011-12-22 |
20110309876 | THIN FILM TRANSISTOR AND DISPLAY DEVICE - A thin film transistor is provided that includes a gate electrode, a source electrode, and a drain electrode, an oxide semiconductor active layer formed over the gate electrode, a fixed charge storage layer formed over a portion of the oxide semiconductor active layer, and a fixed charge control electrode formed over the fixed charged storage layer. | 2011-12-22 |
20110309877 | HIGH VOLTAGE CHARGE-PUMP WITH A NOVEL FEEDBACK CONTROL LOOP - A high voltage charge-pump having a feedback control loop is disclosed. The high voltage charge-pump includes a plurality of voltage boosting stages, a low voltage input, and at least one clock input. A sensing charge-pump having a voltage detector output has at least one voltage sensing stage that is communicably coupled to at least one of the plurality of voltage boosting stages. A loop filter in the feedback control loop includes a voltage detector input coupled to the voltage detector output, a voltage reference input, and a voltage error output. A voltage controlled oscillator (VCO) with a variable frequency output has a voltage error input coupled to the voltage error output. The feedback control loop also includes at least one driver having a variable frequency input coupled to the variable frequency output and at least one clock output coupled to the at least one clock input. | 2011-12-22 |
20110309878 | BOOST CIRCUIT - A boost circuit includes: first transistors connected in series between a voltage input node and a voltage output node to constitute a charge transfer circuit; and first capacitors, one ends of which are coupled to the respective connection nodes between the first transistors, the other ends thereof being applied with clocks with plural phases, wherein a gate of a certain stage transistor corresponding to one of the first transistors in the charge transfer circuit is coupled to a drain of another stage transistor corresponding to another one of the first transistors, which is disposed nearer to the voltage output node than the certain stage transistor and driven by the same phase clock as that of the certain stage transistor, the certain stage transistor being disposed nearer to the voltage output node than an initial stage transistor. | 2011-12-22 |
20110309879 | Internal Voltage Generation Circuit - An internal voltage generation circuit includes a first enable signal generator configured to delay an active signal to generate a first enable signal, a comparison signal generator configured to compare the internal voltage with an internal reference voltage to generate a comparison signal, a pulse signal generator configured to receive the first enable signal and to generate a pulse signal, a transmission device configured to buffer and transfer the comparison signal as a pull-down signal, and a drive device configured to drive the driving signal to the first level in response to the pull-down signal. | 2011-12-22 |
20110309880 | SIGNAL MONITORING SYSTEMS - A signal filter includes a node, a first terminal, a second terminal, and energy storage circuitry coupled to the node and the first and second terminals. The node receives an input signal and a reference signal selectively. The first terminal provides an output signal determined by the input signal and the reference signal. The second terminal receives a feedback signal indicative of the output signal. The energy storage circuitry generates the output signal at the first terminal according to the input signal and the reference signal. The energy storage circuitry also receives the input signal via the node and the feedback signal via the second terminal in alternating fashion. A dominant pole of the signal filter is controlled by the frequency at which the input signal and the feedback signal alternate. | 2011-12-22 |
20110309881 | THREE-DIMENSIONAL SEMICONDUCTOR INTEGRATED CIRCUIT - According to one embodiment, a three-dimensional semiconductor integrated circuit includes first, second and third chips which are stacked, and a common conductor which connects the first, second and third chips from one another. The first chip includes a first multi-leveling circuit, the second chip includes a second multi-leveling circuit, and the third chip includes a decoding circuit. The first multi-leveling circuit includes a first inverter to which binary first data is input and which outputs one of first and second potentials and a first capacitor which is connected between an output terminal of the first inverter and the common conductor. The second multi-leveling circuit includes a second inverter to which binary second data is input and which outputs one of third and fourth potentials and a second capacitor which is connected between an output terminal of the second inverter and the common conductor. | 2011-12-22 |
20110309882 | Method and circuit for operating a power semiconductor component - Described is a method for operating a power semiconductor component. A power amplifier provided with a programmable logic is assigned to this power semiconductor component. In at least one embodiment, control signals for the power semiconductor component are transmitted to the power amplifier. The power semiconductor component is influenced by the power amplifier in dependence on these control signals. The type and manner in which the power semiconductor component is influenced is determined by the programming of the logic. The power amplifier can be sent programming signals which are then processed by a processor of the power amplifier. The programming of the logic is changed by the processor in dependence on the programming signals. | 2011-12-22 |
20110309883 | Integrated Linear Power Detection In An RF Power Amplifier - A radio frequency (RF) power amplifier system having a power detection feature includes a balanced power amplifier, an in-phase branch current detector, an out-of-phase branch current detector, and detection circuitry. The balanced power amplifier includes a phase splitter, an in-phase power amplifier branch, an out-of-phase power amplifier branch, and a phase combiner. The in-phase branch current detector provides an indication of current in the in-phase power amplifier branch. The out-of-phase branch current detector provides an indication of current in the out-of-phase power amplifier branch. The detection circuitry combines the indications of current in the in-phase and out-of-phase power amplifier branches to produce an indication of current in the balanced power amplifier. | 2011-12-22 |
20110309884 | SOLID-STATE RF POWER AMPLIFIER FOR RADIO TRANSMITTERS - An RF power amplifier includes a first amplifier module comprising a first push-pull amplifier including a first plurality of field effect transistors and a first output transformer. An output impedance of the first amplifier module is 25 ohms. A second amplifier module includes a second push-pull amplifier including a second plurality of field effect transistors and a second output transformer. An output impedance of the second amplifier module is 25 ohms. A combiner is connected to the first amplifier module and the second amplifier module. The combiner combines an output from the first amplifier module and an output from the second amplifier module into a combined signal. An output impedance of the combiner is 50 ohms. | 2011-12-22 |
20110309885 | DELAY CIRCUIT FOR LOW POWER RING OSCILLATOR - Disclosed herein is a delay circuit for a low power ring oscillator. The delay circuit includes: a pair of N type transistors that receive first differential input signals Vin | 2011-12-22 |
20110309886 | DIGITALLY CONTROLLED OSCILLATORS - Oscillator circuitry is provided that is based on a ring of inverters. The ring of inverters may be single-ended or differential inverters. Digitally controlled adjustable load capacitors may be provided at inverter outputs to tune the oscillator circuitry. Each digitally controlled adjustable load capacitor may be formed from multiple varactors connected in parallel. Each varactor may have a control input that receives a digital control signal. The digitally controlled adjustable load capacitors in a given oscillator may be adjusted in unison to produce the same capacitance value for each capacitor or may be adjusted individually so that they produce different capacitance values. The inverters may include common-mode-gain reduction features such as series-connected current sources, series-connected resistors, and cross-coupled negative feedback transistors. | 2011-12-22 |
20110309887 | ATOMIC OSCILLATOR - An atomic oscillator includes a cell containing a mixture gas of alkali metal atoms and isotopes of the alkali metal atoms, a light source that has coherency and irradiates the gas with lights including a first resonant light pair having two different frequency components for one center frequency and a second resonant light pair, a photo detector that generates a detection signal corresponding to intensity of light passing through the gas, and a frequency control part that controls, based on the detection signal, frequencies of the first resonant light pair to cause an electromagnetically induced transparency phenomenon to occur in the alkali metal atom and controls frequencies of the second resonant light pair to cause the electromagnetically induced transparency phenomenon to occur in the isotope of the alkali metal atom. | 2011-12-22 |
20110309888 | TECHNIQUE FOR LINEARIZING THE VOLTAGE-TO-FREQUENCY RESPONSE OF A VCO - Apparatuses and methods are provided relating to a voltage controlled oscillator (VCO) based on current starved inverting delay stages; wherein in each stage a PMOS transistor as header and an NMOS transistor as footer are used with their gate-to-source voltages always equal to analog control voltage. The analog control voltage is also used as the supply voltage of the oscillator. An exemplary apparatus includes a VCO of n stages, where n is an odd number and where each stage includes a current starved inverter where the analog control voltage is also used as the supply voltage of each delay stage. | 2011-12-22 |
20110309889 | Variable-capacitance device - A variable-capacitance device includes a first capacitance element coupled between a first power supply terminal and an output terminal, a capacitance selection switch that is turned on and off in accordance with a capacitance switching signal, a second capacitance element coupled in parallel to the first capacitance element and in series to the capacitance selection switch, and an error correction circuit configured to operate such that in a state in which the capacitance selection switch is in an OFF state, in response to a charge reset signal that causes a voltage at the output terminal to be reset to a reset voltage, the error correction circuit substantially eliminates a difference between the voltage at the output terminal and a voltage at a capacitance switching node at which the second capacitance element is coupled to the capacitance selection switch. | 2011-12-22 |
20110309890 | OSCILLATOR AND ELECTRONIC DEVICE - According to one embodiment, an oscillator includes a resonant circuit and an amplifier circuit. The resonant circuit includes one end, one other end, and a frequency correction circuit. The amplifier circuit is connected in parallel with the resonant circuit. The amplifier circuit is configured to amplify a signal at the one end and to output to the one other end. The frequency correction circuit includes a first capacitor and a first transistor connected in series with the first capacitor so that potentials of both ends of the first transistor are variable. | 2011-12-22 |
20110309891 | MICRO-ELECTROMECHANICAL RESONATOR GEOMETRY - A micro-electromechanical resonator suspended from an anchor. The resonator has: a length; a first width at a first distance from the anchor; and a second width at a second, greater distance from the anchor. The second width is greater than the first width, and the width of the resonator tapers gradually along at least part of its length from the second width to the first width. | 2011-12-22 |
20110309892 | Semiconductor Device and Method of Integrating Balun and RF Coupler on a Common Substrate - A semiconductor die has an RF coupler and balun integrated on a common substrate. The RF coupler includes first and second conductive traces formed in close proximity. The RF coupler further includes a resistor. The balun includes a primary coil and two secondary coils. A first capacitor is coupled between first and second terminals of the semiconductor die. A second capacitor is coupled between a third terminal of the semiconductor die and a ground terminal. A third capacitor is coupled between a fourth terminal of the semiconductor die and the ground terminal. A fourth capacitor is coupled between the high side and low side of the primary coil. The integration of the RF coupler and balun on the common substrate offers flexible coupling strength and signal directivity, and further improves electrical performance due to short lead lengths, reduces form factor, and increases manufacturing yield. | 2011-12-22 |
20110309893 | SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, IN-MILLIMETER-WAVE DIELECTRIC TRANSMISSION DEVICE, METHOD OF MANUFACTURING THE SAME, AND IN-MILLIMETER-WAVE DIELECTRIC TRANSMISSION SYSTEM - Provided is an in-millimeter-wave dielectric transmission device. The in-millimeter-wave dielectric transmission device includes a semiconductor chip provided on one interposer substrate and capable of in-millimeter-wave dielectric transmission, an antenna structure connected to the semiconductor chip, two semiconductor packages including a molded resin configured to cover the semiconductor chip and the antenna structure, and a dielectric transmission path provided between the two semiconductor packages to transmit a millimeter wave signal. The semiconductor packages are mounted such that the antenna structures thereof are arranged with the dielectric transmission path interposed therebetween. | 2011-12-22 |
20110309894 | PLANAR ASYMMETRIC CROSSOVER COUPLER - A planar asymmetric crossover coupler has a first branch to a seventh branch. The first branch to the fourth branch form a first region having a first port and a fourth port. The fourth branch to the seventh branch form a second region having a second port and a third port. The characteristic impedance of each branch is determined according to the load impedance and power distribution ratio of each port. | 2011-12-22 |
20110309895 | MULTILAYER FILTER - A multilayer filter includes: a ceramic body in which a plurality of dielectric layers are laminated; an external ground electrode provided on an outer surface of the ceramic body and connected to a ground; an inductor pattern electrode provided on at least one of the dielectric layers and having one end connected to the external ground electrode; a capacitor pattern electrode provided on at least one of the dielectric layers; an external terminal electrode electrically connecting the inductor pattern electrode to the capacitor pattern electrode and forming a closed loop for generating inductance through the external ground electrode; and a variable dielectric layer provided between the capacitor pattern electrode and the inductor pattern electrode and adjusting a magnitude of inductance generated by the inductor pattern electrode. | 2011-12-22 |
20110309896 | TWO-TRACK SURFACE ACOUSTIC WAVE DEVICE WITH INTERCONNECTING GRATING - The present disclosure relates to a two-track surface acoustic wave (SAW) device that has a first SAW track and a second SAW track. The second SAW track may include an interconnecting grating that divides an acoustic cavity of the second SAW track into two acoustic cavities, which are acoustically coupled to one another. The first SAW track and the second SAW track may be electrically coupled to one another transversally via a first re-radiation interconnection and a second re-radiation interconnection. When the two-track SAW device is used in a bandpass filter, by including the interconnecting grating, insertion loss and roll-off response characteristics of the bandpass filter may be improved. Further, in one embodiment of the two-track SAW device, addition of capacitance between the re-radiation connections may improve return loss of the two-track SAW device. | 2011-12-22 |
20110309897 | SURFACE ACOUSTIC WAVE RESONATOR, SURFACE ACOUSTIC WAVE OSCILLATOR, AND ELECTRONIC APPARATUS - A surface acoustic wave (SAW) resonator and a SAW oscillator and an electronic apparatus including the resonator are to be provided. A SAW resonator includes: an IDT exciting a SAW using a quartz crystal substrate of Euler angles (−1.5°≦φ≦1/5°, 117°≦θ≦142°, 42.79°≦|ψ|≦49.57°; one pair of reflection units arranged so as allow the IDT to be disposed therebetween; and grooves acquired by depressing the quartz crystal substrate located between electrode fingers. When a wavelength of the SAW is λ, and a depth of the grooves is G, “0.01λ≦G” is satisfied. | 2011-12-22 |