25th week of 2010 patent applcation highlights part 25 |
Patent application number | Title | Published |
20100156494 | LATCH AND DFF DESIGN WITH IMPROVED SOFT ERROR RATE AND A METHOD OF OPERATING A DFF - A single-path latch, a dual-path latch, a method of operating a DFF and a library of cells. In one embodiment, the single-path latch includes: (1) a passgate coupled to the data input, (2) a feedback path coupled to the passgate, the data output coupled thereto and (3) tristate circuitry coupled to the passgate and having a single transistor pair of opposite conductivity coupled to Boolean logic gates, the Boolean logic gates configured to control operation of the single transistor pair based on the data input and a pulse clock signal to drive the feedbacks path. | 2010-06-24 |
20100156495 | LATCH CIRCUIT AND CLOCK SIGNAL DIVIDING CIRCUIT - Latch circuit and clock signal dividing circuit comprises sequentially connected latch circuits. Each latch circuit has D-type latch with latch clock input, data input and data output. A difference detector is coupled to D-type latch, and has a difference output that provides a difference signal when data at input is different than data at output. Each latch circuit has an edge triggered gate that has gate clock input, output coupled to latch clock input and gate control input coupled to difference output of difference detector. In operation, when both a transition of clock signal supplied at gate clock input is detected by edge triggered gate, and the difference signal is provided to gate control input, will edge triggered gate allow an edge of a clock signal supplied at gate clock input to determine logic values supplied to latch clock input. As a result, data at input is transferred to output. | 2010-06-24 |
20100156496 | HIGH VOLTAGE SWITCH WITH REDUCED VOLTAGE STRESS AT OUTPUT STAGE - The present invention discloses a high voltage switching module having reduced stress at its driver output stage which in turn controls the gate of a transistor requiring a high current drive. The switching module includes a negative elevating circuit, a delay module, a pull-up circuit, and a pull down circuit. The negative elevating circuit senses a transition of a logic input signal to generate a control signal. The first pull-up circuit is operatively coupled to this control signal for switching the driver output from a negative voltage to a ground voltage. There is an additional delay module which is configured to provide a delay in the logic input signal. This delayed logic input signal is operatively coupled to the second pull-up stage which takes the output of the driver from GND to VDD. The pull-down circuit is operatively coupled to the negative elevator for controlling a voltage at the driver output to the negative level. The module further comprises a switching circuit that is operatively coupled to the driver output for controlling the passing of a high voltage with high current requirements. | 2010-06-24 |
20100156497 | System And Method For Common Mode Translation - System and method for common mode translation in continuous-time sigma-delta analog-to-digital converters. An embodiment includes a loop filter having an RC network coupled to a differential signal input, a Gm-C/Quantizer/DAC circuit (GQD) coupled to the loop filter, a common-mode level adjust circuit coupled to signal inputs of the GQD, and a tuning circuit coupled to the GQD and the common-mode level adjust circuit. The GQD evaluates an input signal provided by the RC network, computes a difference between a filtered input signal and the feedback quantization signal to generate an error signal, measures the error signal, and compensates for the error signal with sigma-delta noise-shaping. The common-mode level adjust circuit alters a common-mode level of a differential input signal to be substantially equal to a desired common-mode level and the tuning circuit provides a compensation voltage to the common-mode level adjust circuit based on a difference between the common-mode levels. | 2010-06-24 |
20100156498 | LEVEL SHIFTER - A level shifter with high performance, low power and reduced duty cycle distortion. The level shifter includes an input stage having a first circuit coupled to a second circuit. The first circuit includes a first pull up transistor receiving an input signal coupled to a first pull down transistor. The second circuit includes a second pull up transistor coupled to a second pull down transistor. An output of the input stage coupled to a first node in the first circuit. The level shifter further includes an inverter receiving the input signal. An output of the inverter and the second pull down transistor coupled to a second node. An output stage of the level shifter generates an output signal. The output stage includes a first transistor coupled to the first node and a second transistor coupled to the second node. | 2010-06-24 |
20100156499 | LOGIC LEVEL CONVERTER - A logic level converter includes two first electronic switches coupled in a bi-stable flip-flop arrangement having at least one output line, and a forcing circuitry including two second electronic switches to force switching of the first electronic switches in the flip-flop arrangement. The forcing circuitry has an input terminal to receive a logic input signal having a given level to produce switching of the flip-flop arrangement and generate at the output line(s) of the flip-flop arrangement, a logic output signal(s) whose voltage level is converted with respect to the level of the logic input signal. The converter includes, interposed between each of the two first electronic switches in the flip-flop arrangement and a respective one of the second electronic switches in the forcing circuitry, at least one respective cascode electronic switch to limit the voltage across the two first electronic switches in the flip-flop arrangement. | 2010-06-24 |
20100156500 | SEMICONDUCTOR DEVICE, OUTPUT CIRCUIT AND METHOD FOR CONTROLLING INPUT/OUTPUT BUFFER CIRCUIT IN SEMICONDUCTOR DEVICE - Disclosed is a semiconductor device having an output circuit that may be used to advantage in case the semiconductor device may possibly be used under different power supply voltages. The semiconductor device includes a signal terminal having at least the function of an output terminal, a power supply terminal, and an output circuit having first and second output buffer circuits. The first and second output buffer circuits are supplied with a supply power voltage from the power supply terminal and receive an inner output signal to drive the signal terminal. The semiconductor device also includes a power supply voltage discrimination circuit that discriminates the potential level of the power supply voltage to control the operation of the output circuit based on the result of discrimination. A first output buffer circuit is activated and a second output buffer circuit is deactivated in case the power supply voltage discrimination circuit has decided that the power supply voltage is at a first potential. Both of the first and second output buffer circuits are activated in case the power supply voltage discrimination circuit has decided that the power supply voltage is at a second potential. | 2010-06-24 |
20100156501 | Adjustable integrator using a single capacitance - An integrating amplifier on an IC, which comprises a feedback loop using an external device as an integrating capacitor, has added a second feedback loop that provides an additional current to the input of the amplifier, which current can be used to increase the input range of the charge that can be measured without needing another external capacitor or pad. | 2010-06-24 |
20100156502 | SIGNAL PROCESSOR COMPRISING A FREQUENCY CONVERTER - A signal processor includes a frequency converter of the multiphase type. A first phase mixer (SWC | 2010-06-24 |
20100156503 | ELECTRONIC CIRCUIT DEVICE - An electric circuit device operable under a power supply includes: a circuit; a first switch connected between the power supply and the circuit; a capacitor tending to produce a first leakage current; a second switch connected between the power supply and the capacitor, the second switch producing a second leakage current when it is cut off, the second leakage current being less than the first leakage current; and a switch controller for turning on the second switch while both the first switch and the second switch are turned off, and after a first time passes for turning on the first switch. | 2010-06-24 |
20100156504 | CROSS POINT SWITCH - A cross point switch, in accordance with one embodiment of the present invention, includes a plurality of tri-state repeaters coupled to form a plurality of multiplexers. Each set of corresponding tri-state repeaters in the plurality of multiplexers share a front end module such that delay through the cross point switch due to input capacitance is reduced as compared to conventional cross point switches. | 2010-06-24 |
20100156505 | CIRCUIT ARRANGEMENT AND METHOD FOR GENERATING A DRIVE SIGNAL FOR A TRANSISTOR - Disclosed is a circuit arrangement for generating a drive signal for a transistor. In one embodiment, the circuit arrangement includes a control circuit that receives a switching signal, a driver circuit that outputs a drive signal, and at least one transmission channel. The control circuit transmits, depending on the switching signal for each switching operation of the transistor, switching information and switching parameter information via the transmission channel to the driver circuit. The driver circuit generates the drive signal depending on the switching information and depending on the switching parameter information. | 2010-06-24 |
20100156506 | Semiconductor device including insulated gate bipolar transistor and diode - A semiconductor device includes a vertical IGBT and a vertical free-wheeling diode in a semiconductor substrate. A plurality of base regions is disposed at a first-surface side portion of the semiconductor substrate, and a plurality of collector regions and a plurality of cathode regions are alternately disposed in a second-surface side portion of the semiconductor substrate. The base regions include a plurality of regions where channels are provided when the vertical IGBT is in an operating state. The first-side portion of the semiconductor substrate include a plurality of IGBT regions each located between adjacent two of the channels, including one of the base regions electrically coupled with an emitter electrode, and being opposed to one of the cathode regions. The IGBT regions include a plurality of narrow regions and a plurality of wide regions. | 2010-06-24 |
20100156507 | Temperature detection circuit - Provided is a temperature detection circuit capable of preventing malfunction, which may occur when power is turned on. A switch circuit for giving such a potential that a comparator detects a low temperature is provided at an output terminal of a temperature sensor circuit. A switch circuit for giving such a potential that the comparator detects a low temperature is provided at an output terminal of a reference voltage circuit. When the power is turned on, each of the switch circuits is set by a switch control circuit such that the comparator detects a low temperature. | 2010-06-24 |
20100156508 | ELECTRONIC DEVICE - According to one embodiment, an electronic device includes a housing, an operation area, at least one display, an input detector, a light source device, and a controller. The operation area is provided on an outer surface of the housing. The display is located in the operation area, and includes a first indicator and a second indicator made of a light transmissive material. The first indicator corresponds to a design that indicates operation content, while the second indicator is located in a position not covered by an operation tool with which operation is performed on the first indicator and indicates operation state. The input detector faces the operation area in the housing and detects electrostatic capacitance in the operation area. The light source device emits light to the display in the operation area. The controller controls the light source device based on a variation in electrostatic capacitance detected by the input detector to turn on or off at least the second indicator. | 2010-06-24 |
20100156509 | SWITCHING MODE POWER SUPPLY FOR REDUCING STANDBY POWER - In accordance with one aspect of the present invention to achieve the object, there is provided a switching mode power supply for reducing standby power including an EMI(Electro-Magnetic Interference) filter unit for removing a high frequency noise component by being connected to an input power source; a PFC(Power Factor Correction) unit connected to the EMI filter unit; a DC/DC unit connected to the PFC unit; a synchronous rectifier unit connected to the DC/DC unit; a PFC controller connected to the PFC unit and provided with an overvoltage protection stage; a DC/DC controller which is connected to the DC/DC unit and generates a burst mode operation signal; a synchronous rectifier controller for controlling the synchronous rectifier unit by being connected to the synchronous rectifier unit; an error signal generation unit for sensing an output voltage to generate an error signal and then transmitting the error signal to the DC/DC controller; a control unit for synchronizing the DC/DC unit and the PFC unit so that the PFC unit also operates in a burst mode if the DC/DC unit operates in the burst mode by connecting the DC/DC controller and the overvoltage protection stage of the PFC controller. | 2010-06-24 |
20100156510 | SOI RADIO FREQUENCY SWITCH FOR REDUCING HIGH FREQUENCY HARMONICS - First doped semiconductor regions having the same type doping as a bottom semiconductor layer and second doped semiconductor regions having an opposite type doping are formed directly underneath a buried insulator layer of a semiconductor-on-insulator (SOI) substrate. The first doped semiconductor regions and the second doped semiconductor regions are electrically grounded or forward-biased relative to the bottom semiconductor layer at a voltage that is insufficient to cause excessive current due to forward-biased injection of minority carriers into the bottom semiconductor layer, i.e., at a potential difference not exceeding 0.6 V to 0.8V. The electrical charges formed in an induced charge layer by the electrical signal in semiconductor devices on the top semiconductor layer are drained through electrical contacts connected to the first and second doped semiconductor regions, thereby reducing of harmonic signals in the semiconductor devices above and enhancing the performance of the semiconductor devices as a radio-frequency (RF) switch. | 2010-06-24 |
20100156511 | BIAS VOLTAGE GENERATION CIRCUIT FOR AN SOI RADIO FREQUENCY SWITCH - A radio frequency (RF) switch located on a semiconductor-on-insulator (SOI) substrate includes at least one electrically biased region in a bottom semiconductor layer. The RF switch receives an RF signal from a power amplifier and transmits the RF signal to an antenna. The electrically biased region may be biased to eliminate or reduce accumulation region, to stabilize a depletion region, and/or to prevent formation of an inversion region in the bottom semiconductor layer, thereby reducing parasitic coupling and harmonic generation due to the RF signal. A voltage divider circuit and a rectifier circuit generate at least one bias voltage of which the magnitude varies with the magnitude of the RF signal. The at least one bias voltage is applied to the at least one electrically biased region to maintain proper biasing of the bottom semiconductor layer to minimize parasitic coupling, signal loss, and harmonic generation. | 2010-06-24 |
20100156512 | CHARGE PUMP CONTROLLER AND METHOD THEREFOR - In one embodiment, a charge pump controller is configured to a charge pump controller to charge a plurality of pump capacitors during a charging time interval and to sequentially form a plurality of discharge time intervals with a different pump capacitor coupled to supply a current to a load for each discharge time interval. | 2010-06-24 |
20100156513 | CHARGE PUMP - A high power DC-DC converter uses wide bandgap semiconductor switches and capacitors as a charge pump to convert a DC input to a DC output of a different potential. Each capacitor is connected to the output of one of the stages of the charge pump. A wide bandgap semiconductor switch is connected between the input and output of each stage, and the conductive state of the switch is controlled by a circuit that compares voltage at the input and output of the stage. A multiphase drive alternates drive voltage applied to the capacitors to cause charge to be passed from stage-to-stage through the charge pump. | 2010-06-24 |
20100156514 | CHARGE PUMP REGULATOR AND METHOD OF PRODUCING A REGULATED VOLTAGE - A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrough according to an output-dependent feedback signal. | 2010-06-24 |
20100156515 | CHARGE PUMP REGULATOR AND METHOD OF PRODUCING A REGULATED VOLTAGE - A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrough according to an output-dependent feedback signal. | 2010-06-24 |
20100156516 | CHARGE PUMP REGULATOR AND METHOD OF PRODUCING A REGULATED VOLTAGE - A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrough according to an output-dependent feedback signal. | 2010-06-24 |
20100156517 | CHARGE PUMP REGULATOR AND METHOD OF PRODUCING A REGULATED VOLTAGE - A charge pump regulator has a charge pump to establish a charge path and a discharge path alternately, so as to produce a regulated voltage on an output terminal. The charge pump has at least a current control element on the charge path or the discharge path to control the current flowing therethrough according to an output-dependent feedback signal. | 2010-06-24 |
20100156518 | Dynamic Charge Pump System for Front End Protection Circuit - Various apparatuses, methods and systems for a front end protection circuit with a dynamic charge pump system are disclosed herein. For example, some embodiments provide an apparatus such as a voltage regulator, a current regulator, a driver circuit or a switch protection circuit. The apparatus includes an output switch, a switch controller and a voltage threshold detector. The apparatus operates in a reduced power mode when the threshold detector detects a feedback level passing a threshold. In some particular embodiments, the switch controller includes a charge pump and an oscillator that run at lower speeds to reduce power usage when the feedback level passes the threshold. In various embodiments, the feedback level is a voltage level at the output switch control input, the output voltage from the output switch, or the output current from the output switch. | 2010-06-24 |
20100156519 | ELECTRICAL SYSTEM, VOLTAGE REFERENCE GENERATION CIRCUIT, AND CALIBRATION METHOD OF THE CIRCUIT - A voltage generation circuit that includes: a voltage generator integrated in a semiconductor chip and structured to generate an output voltage in accordance with a calibration parameter; a heater operable to heat the voltage generator; a control device configured to receive the output voltage, activate the heater and provide the calibration parameter to the voltage generator. | 2010-06-24 |
20100156520 | REFERENCE VOLTAGE GENERATOR - A reference voltage generator includes: a reference voltage source | 2010-06-24 |
20100156521 | CONSTANT SWITCH VGS CIRCUIT FOR MINIMIZING RFLATNESS AND IMPROVING AUDIO PERFORMANCE - A MOSFET switch is disclosed that is driven on by a circuit that provides a constant gate to source voltage, Vgs, that is independent of the input voltage, the power supply and any logic signals. The constant Vgs is derived from a reference voltage and biases the MOSFET switch such that Ron is constant, or Rflatness is minimized. A minimized Rflatness provides a higher fidelity transfer of audio signals compared to prior art switches where Rflatness is greater. | 2010-06-24 |
20100156522 | Semiconductor integrated circuit device - A semiconductor integrated circuit device for fast and low power operations, comprising a plurality of circuit blocks of a chip, each of which has a plurality of states with different power consumption values. A power management circuit determines the state of each of the circuit blocks so as not to exceed a maximum power consumption value of the semiconductor integrated circuit device by considering the power consumption of each circuit block and by each state transition in each circuit block. The maximum power consumption value may be preset or adjustable after fabrication. | 2010-06-24 |
20100156523 | ARRANGEMENT STRUCTURE OF ELECTROMAGNETIC BAND-GAP FOR SUPPRESSING NOISE AND IMPROVING SIGNAL INTEGRITY - An electromagnetic-wave suppression structure in a multilayer PCB or package structure is supplied with a power to be used therein by a power distribution network including a power plane and a ground plane. The multilayer PCB and package includes: an electromagnetic-wave suppression structure including an electromagnetic band-gap; and the electromagnetic-wave suppression structure is formed at a specific portion(s) of the power plane and/or the ground plane to suppress noises. | 2010-06-24 |
20100156524 | PULSE FILTERING MODULE CIRCUIT, SYSTEM, AND METHOD - A filtering module filters out high frequency signals, primarily noise, from an input data stream. The filtering module includes an input module, a phase detecting module, and a threshold module. The input module performs either a charging or a discharging across a capacitor on a basis of an RC time constant. The phase detecting module is coupled to the input module to keep identical phase at a first node and an output node. The threshold module is coupled to the phase detecting module for providing an output signal based on a threshold voltage and the charging or the discharging across the capacitor. | 2010-06-24 |
20100156525 | Method and System for Tuning Precision Continuous-Time Filters - Described embodiments provide a method for calibrating a continuous-time filter having at least one adjustable parameter. A square-wave signal is filtered by a continuous-time filter having a cutoff frequency less than fs. The filtered signal is quantized at the rate fs. An N-point Fourier transform is performed of the quantized signal into N real output values and N imaginary output values. At least one of the real output values are accumulated to form a real output signal and at least one of the imaginary output values are accumulated to form an imaginary output signal. The real and imaginary output signals are summed to form an output signal, which is then squared. The squared output signal is compared to a comparison value. At least one parameter of the continuous-time filter is adjusted based upon the comparison. The steps are repeated until the squared output signal is approximately the comparison value. | 2010-06-24 |
20100156526 | SOI RADIO FREQUENCY SWITCH WITH ENHANCED SIGNAL FIDELITY AND ELECTRICAL ISOLATION - A doped contact region having an opposite conductivity type as a bottom semiconductor layer is provided underneath a buried insulator layer in a bottom semiconductor layer. At least one conductive via structure extends from an interconnect-level metal line through a middle-of-line (MOL) dielectric layer, a shallow trench isolation structure in a top semiconductor layer, and a buried insulator layer and to the doped contact region. The doped contact region is biased at a voltage that is at or close to a peak voltage in the RF switch that removes minority charge carriers within the induced charge layer. The minority charge carriers are drained through the doped contact region and the at least one conductive via structure. Rapid discharge of mobile electrical charges in the induce charge layer reduces harmonic generation and signal distortion in the RF switch. A design structure for the semiconductor structure is also provided. | 2010-06-24 |
20100156527 | SPREAD SPECTRUM PULSE WIDTH MODULATION METHOD AND APPARATUS - A circuit includes a variable frequency generator circuit and a quantization circuit. The variable frequency generator circuit provides a discontinuous switching frequency signal. The variable frequency generator circuit varies the discontinuous switching frequency signal between a first and second frequency while avoiding at least one frequency band between the first and second frequency. The quantization circuit provides a plurality discrete switching signals each separated by a second frequency band that vary in accordance with the discontinuous switching frequency signal, wherein the avoided frequency band of the discontinuous switching frequency signal is greater than the second frequency band. | 2010-06-24 |
20100156528 | MULTIPORT AMPLIFIERS IN COMMUNICATIONS SATELLITES - Feedback loops are used within a Multiport Amplifier (MPA) of a communications satellite to maintain phase and amplitude tracking and hence isolation and combining performance. at Ku and Ka-bands, for which there is increasing interest in MPA applications, and where wavelengths are short and maintenance of phase/amplitude tracking becomes highly challenging. Feedback loops are located at strategic points within the MPA Output Network (ONET) to detect tracking errors and provide compensation. Errors are detected through power measurements at “null points”, with zero power corresponding to accurate tracking. The feedback loops adjust the MPA phase/gains such that the levels at these points are maintained at zero. The scheme operates with a pilot signal for measurement of nulls, injected at one of the MPA inputs. | 2010-06-24 |
20100156529 | APPARATUS AND METHOD FOR ESTIMATING POWER FOR AMPLIFIER - Described herein is an apparatus and method for estimating the amount of power that is to be consumed by an amplifier. An estimation section may be determined based on frame data of an input signal that is to be input to the amplifier. The estimation section may be stored to in a predetermined section, and the amount of power to be consumed by the amplifier may be estimated in advance based on the stored signal. The predetermined section may be determined in consideration of response a characteristic of a power supply of the amplifier. The amount of power may be calculated by assigning weight to the stored signal. | 2010-06-24 |
20100156530 | DISTORTION COMPENSATION APPARATUS AND METHOD - A distortion compensation apparatus includes a distortion compensation unit that performs distortion compensation processing on a transmission signal by a series operation, a coefficient update unit that updates a group of series operation coefficients used for the series operation based on a feedback signal of transmission signal output that is output after power amplification processing is performed on output of the distortion compensation unit and the transmission signal, an initial coefficient memory that stores the groups of series operation coefficients that become initial values for coefficient update processing by the coefficient update unit, and a power fluctuation detection unit that detects a power fluctuation of the transmission signal and, when the power fluctuation is detected, reads the groups of series operation coefficients from the initial coefficient memory and provides the groups of series operation coefficients to the coefficient update unit. | 2010-06-24 |
20100156531 | POWER AMPLIFIER, INTEGRATED CIRCUIT, AND COMMUNICATION APPARATUS - A power amplifier of the present invention includes (i) a bipolar transistor for amplifying a signal supplied via a base terminal, so as to obtain an amplified signal, and outputting the amplified signal via a collector terminal and (ii) an inductor between an emitter terminal of the bipolar transistor and a ground. An inductance between the emitter terminal and the ground is larger than a parasitic inductance between the emitter terminal and the ground between which the inductor is not provided. This allows the bipolar transistor to increase an output power without increasing an emitter area. As a result, the present invention makes it possible to provide a highly efficient high-power power amplifier. | 2010-06-24 |
20100156532 | CLASS AB AMPLIFIER WITH RESISTIVE LEVEL-SHIFTING CIRCUITRY - A class AB amplifier with resistive level-shifting circuitry is described. In one exemplary design, the class AB amplifier includes an input stage, a resistive level-shifting stage, a class AB output stage, and a bias circuit. The input stage receives an input signal and provides a first drive signal. The resistive level-shifting stage receives the first drive signal and provides a second drive signal. The output stage receives the first and second drive signals and provides an output signal. The bias circuit generates a bias voltage for the resistive level-shifting stage to obtain a desired quiescent current for the output stage. In one exemplary design, the resistive level-shifting stage includes a transistor and a resistor. The transistor receives the bias voltage and provides the second drive signal. The resistor is coupled to the transistor and provides a voltage drop between the first and second drive signals. | 2010-06-24 |
20100156533 | REGULATOR CIRCUIT - The present invention is contrived to adopt a differential pair type amplifier circuit comprising a differential pair constituted by a first transistor receiving an input of a first signal and by a second transistor receiving an input of a third signal generated by outputting a second signal of which the voltage level is a power supply voltage. Elements requiring a matching are two transistors constituting the differential pair for the amplifier circuit. Because of this, the elements requiring a matching can be placed close to each other regardless of a layout between the amplifier circuits. | 2010-06-24 |
20100156534 | GAIN CONTROL DEVICE AND AMPLIFIER USING THE SAME - Provided are a gain control device and an amplifier using the gain control device. The gain control device includes a first input resistance unit having a first variable resistor whose resistance is linearly variable and a first fixed resistor respectively receiving a first input signal and a second input signal having a sign different from the first input signal and outputting current through a first output terminal, and a second input resistance unit having a second fixed resistor and a second variable resistor whose resistance is linearly variable respectively receiving the first input signal and the second input signal and outputting current through a second output terminal. | 2010-06-24 |
20100156535 | INTEGRATED PROGRAMMABLE GAIN AMPLIFIER CIRCUIT AND SYSTEM INCLUDING THE CIRCUIT - An integrated programmable gain amplifier circuit that receives at an input an analog signal, circuit including an operational amplifier and a gain setup network comprising resistive elements and selection elements, which may be controlled in order to setup the gain of the amplifier circuit. The gain setup network further includes capacitive elements, for defining, together with the resistive elements and the operational amplifier, an anti-aliasing filter of the active RC type. | 2010-06-24 |
20100156536 | SYSTEMS AND METHODS FOR SELF-MIXING ADAPTIVE BIAS CIRCUIT FOR POWER AMPLIFIER - Systems and methods for providing a self-mixing adaptive bias circuit that may include a mixer, low-pass filter or a phase shifter, and a bias feeding block. The self-mixing adaptive bias circuit may generate an adaptive bias signal depending on input signal power level. As the input power level goes up, the adaptive bias circuit increases the bias voltage or bias current such that the amplifier will save current consumption at low power operation levels and obtain better linearity at high power operation levels compared to conventional biasing techniques. Moreover, the adaptive bias output signal can be used to cancel the third-order intermodulation terms (IM3) to further enhance the linearity as a secondary effect. | 2010-06-24 |
20100156537 | SOLID-STATE RF POWER AMPLIFIER FOR RADIO TRANSMITTERS - An RF power amplifier includes a push-pull amplifier having field effect transistors. Temperature compensating bias circuitry provides a temperature compensated bias voltage to the transistors for decreasing the bias voltage thereof as temperature increases. The temperature compensating bias circuitry includes a temperature sensor generating a temperature signal. A first amplifier provides a first temperature dependent voltage based on the temperature signal. A second amplifier provides a second temperature dependent voltage based on the temperature signal. The first and second temperature dependent voltages change at substantially the same rate in response to the temperature signal. A potentiometer receives the first and second temperature dependent voltages such that a voltage across the potentiometer remains substantially constant when the first and second temperature dependent voltages change. An output of the bias circuitry is connected to at least one of the transistors and supplies the temperature compensated bias voltage to the at least one of the transistors. | 2010-06-24 |
20100156538 | AMPLIFIER CIRCUIT AND RADIO RECEIVER - A feedback resistor is connected between an input terminal and an output terminal of an operational amplifier. A negative resistor is connected between an inverting input terminal and a non-inverting input terminal of the operational amplifier. | 2010-06-24 |
20100156539 | POWER AMPLIFIER SYSTEM WITH POWER CONTROL FUNCTION - A power amplifier system with power control function provides accurate and efficient power control by controlling a bias voltage and a bias current of the power amplifier at the same time. A power amplifier system with power control function according to an aspect of the invention may include: a power amplifier receiving a bias voltage and a bias current from a power voltage source and having a gain controlled according to the magnitude of the bias voltage and the bias current; a voltage detection controller detecting the magnitude of the bias voltage being supplied to the power amplifier and comparing the magnitude of the bias voltage with a predetermined reference voltage to control the magnitude of the bias voltage; and a current detection controller detecting voltage having a magnitude equivalent to the magnitude of the bias current being supplied to the power amplifier and comparing the magnitude of the voltage equivalent to the magnitude of the bias current with the reference voltage to control the magnitude of the bias current. | 2010-06-24 |
20100156540 | AMPLIFIER ARCHITECTURE FOR POLAR MODULATION - The present invention relates to an electronic device for power efficient linear amplification. The electronic device includes an amplifier (RF-PA) for amplifying a phase modulated signal (PM). The amplifier (RF-PA) is adapted to be controlled by a first modulating signal (AM high) for modulating the amplitude of the phase modulated signal (PM) above a predetermined amplitude value. The electronic device is further adapted to attenuate an output signal of the amplifier (RF-PA) for providing amplitude modulation below the predetermined amplitude value. | 2010-06-24 |
20100156541 | SEMICONDUCTOR DEVICE - A current limiting circuit is connected to the gate (input terminal) of an amplifying transistor. The current limiting circuit includes a protecting transistor, a first protecting resistor connecting the drain to the gate of the protecting transistor, and a second protecting resistor connecting the source to the gate of the protecting transistor. The current limiting circuit limits current, so that electric power larger than the maximum electric power allowable for the amplifying transistor does not pass. | 2010-06-24 |
20100156542 | LOW VOLTAGE FREQUENCY SYNTHESIZER USING BOOSTING METHOD FOR POWER SUPPLY VOLTAGE OF CHARGE PUMP - Provided is a low voltage frequency synthesizer using a boosting method for a power supply voltage of a charge pump. The low voltage frequency synthesizer includes a phase/frequency detector (PFD) that receives and compares a reference frequency and a feedback frequency to output a comparison signal, a charge pump that receives the comparison signal to output a current corresponding to the comparison signal, a low-pass filter (LPF) that generates a voltage corresponding to the output current of the charge pump, a voltage controlled oscillator (VCO) that receives the voltage of the LPF, amplifies the voltage to generate a boosting voltage, and outputs a frequency corresponding to the received voltage, and a DC converter that receives the boosting voltage of the VCO, converts the boosting voltage into a DC voltage, and applies the DC voltage as a power supply voltage of the charge pump. Since the supply voltage of the charge pump is provided from the LC-circuit-based VCO, the frequency synthesizer has superior characteristics such as a wide locking range, low phase noise, and the prevention of performance degradation caused by an external environment or process variations. | 2010-06-24 |
20100156543 | MATRIX STRUCTURE OSCILLATOR - An oscillator having a plurality of operatively coupled ring oscillators arranged in hyper-matrix architecture. The operatively coupled ring oscillators are either identical or non-identical and are coupled through a common inverter or tail current transistors. Due to the arrangement of the ring oscillators in a hyper-matrix structure, the ring oscillators are synchronized and resist any variation in frequency or phase thereby maintaining a consistent phase noise performance | 2010-06-24 |
20100156544 | RING OSCILLATOR HAVING WIDE FREQUENCY RANGE - Provided is a ring oscillator having an extended range of oscillation frequency by varactors coupled to delay cells even in a simple structure. The wide frequency range results from simply varying an oscillation frequency by control signals applied to the varactors. Since additional switches connected to the delay cells contribute to increase or decrease of the oscillation frequency range, the ring oscillator can conveniently be employed in various types of oscillation systems. | 2010-06-24 |
20100156545 | SYSTEM AND METHOD FOR USE OF A SWITCHED MODE TCXO FOR RECEIVER APPLICATIONS - Systems and methods are disclosed herein for using a switched mode TCXO or VC-TCXO in a coherent receiver application where the switched mode TCXO or VC-TCXO may operate either in an active compensation mode to compensate for temperature induced frequency error or in a second fixed compensation mode where the TCXO or VC-TCXO is not compensated for temperature. The switched mode TCXO or VC-TCXO is operated in the active compensation mode when receiver performance may be improved from a reduction in the range of oscillator frequency error. The switched mode TCXO or VC-TCXO may be switched to operate in the fixed compensation mode when receiver performance is sensitive to discontinuities in the phase, frequency, and/or frequency rate of the oscillator clock when temperature compensation is applied. In addition, the switched mode VC-TCXO may operate in a transparent mode to allow change to the oscillator or a latched mode to prevent change to the oscillator. The flexibility to switch between the operating modes allows the receiver to benefit from a reduced oscillator frequency error or a faster oscillator frequency switching, resulting in faster signal acquisition time, and still allows the receiver to operate in modes requiring a discontinuity-free oscillator. | 2010-06-24 |
20100156546 | Surface mount crystal oscillator - There is provided a surface mount oscillator of a junction type in which the size of an IC chip is increased while maintaining high performance thereof, and the outer dimension of the oscillator in plan view are small. In a surface mount crystal oscillator which: a surface of an IC chip opposite to one principal surface thereof on which IC terminals are formed, is fixed on a mount substrate; external terminals that are constituted by a pair of crystal terminals and dummy terminals, at least one of which serves as a ground terminal, and that are formed in four corner sections of an outer bottom surface of a surface mount vibrator, are electrically connected to the IC terminals provided in four corner sections of the one principal surface; and IC terminals provided in positions other than the four corner sections are connected to circuit terminals of the mount substrate by means of wire bonding, the configuration is such that the external terminals of the surface mount vibrator constituted by the crystal terminals and the dummy terminals are electrically joined by means of joining balls to the IC terminals formed in the four corner sections of the IC chip. | 2010-06-24 |
20100156547 | METHOD FOR SUPPRESSING LIGHT SHIFT IN OPTICAL PUMPING SYSTEMS - The present invention relates to a method and system to suppress or eliminate light shift in an optical pumping system, such as an atomic clock. The method uses modulation of a radiation source, such as a radio frequency or microwave source, to simultaneously lock the frequency of the radiation source to an atomic resonance and lock the frequency of the optical pumping source in order to suppress or eliminate light shift. In one embodiment, the method of the present invention directly utilizes the out-of-phase channel of a lock-in amplifier to additionally lock an optical pumping source to a zero-light-shift frequency, where the in-phase channel is used to lock the frequency of the radiation source to an atomic resonance. | 2010-06-24 |
20100156548 | High-frequency colpitts circuit - A high-frequency Colpitts circuit having a feedback transistor Q | 2010-06-24 |
20100156549 | VOLTAGE CONTROLLED OSCILLATOR - A voltage controlled oscillator includes a loop-shaped transmission line, an active circuit connected to a signal line, and a variable capacitor block connected to the signal line and having a plurality of variable capacitor units. Each variable capacitor unit includes a variable capacitor element, a control terminal for applying a control voltage to the variable capacitor element, and a reference voltage terminal for applying a reference voltage to the variable capacitor element. At least two variable capacitor units receive different reference voltages. | 2010-06-24 |
20100156550 | ADJUSTABLE CAPACITOR, DIGITALLY CONTROLLED OSCILLATOR, AND ALL-DIGITAL PHASE LOCKED LOOP - An adjustable capacitor is provided including a capacitor unit including a plurality of capacitor groups aligned in a matrix format and a switch unit to adjust capacitance by connecting the plurality of capacitor groups in parallel according to a selection signal of a column and row of the matrix. Accordingly, the adjustable capacitor may be realized of a small size but with a high capacitance change rate. | 2010-06-24 |
20100156551 | NON-RECIPROCAL CIRCUIT DEVICE - A non-reciprocal circuit device includes a ferrite arranged to receive a direct-current magnetic field from a permanent magnet, a first central electrode and a second central electrode arranged on the ferrite. The non-reciprocal circuit device further includes matching capacitors and a terminating resistor. When high frequency signals flow in a reverse direction, power consumption at the first central electrode is increased by decreasing an equivalent parallel resistance Rp of the first central electrode, in relation to power consumption at the terminating resistor. | 2010-06-24 |
20100156552 | ADAPTIVE MATCHING NETWORK - A system that incorporates teachings of the present disclosure can include, for example, an apparatus having a matching network adapted to reduce a magnitude of a signal reflection at a port of the matching network. The matching network can have one or more controllable variable reactive elements. A controller can be adapted to determine reflection coefficient information from incident and reflected waves sampled at the port of the matching network, and follow at least one cycle of a coarse tune process for generating one or more control signals to tune one or more reactances of the one or more controllable variable reactive elements. Additional embodiments are disclosed. | 2010-06-24 |
20100156553 | METHOD AND LOCALIZATION UNIT FOR DETECTING AND LOCATING LOAD COILS IN A TRANSMISSION LINE - A method and localization unit for localizing load coils within a transmission line. The load coil localization is achieved using a measurement of a Single-Ended Line Testing (SELT) parameter for the transmission line and an approximation of the SELT parameter obtained from a model of the transmission line. The model is based on a parameter vector θ including parameters describing the transmission properties of each load coil and cable section and the length of a plurality of individual cable sections as unknown independent parameters. The location of at least one load coil is determined by substantially minimizing a criterion function that represents a deviation between the measurement of the SELT parameter and the approximation of the SELT parameter obtained from the model. The load coil localization method and unit can be used for both symmetric and asymmetric transmission lines. | 2010-06-24 |
20100156554 | ANTENNA DUPLEXER, AND RF MODULE AND COMMUNICATION APPARATUS USING THE SAME - One of plurality of transmission terminals connected to a transmission filter and a receiving terminal connected to a receiving filter is a balanced type terminal, and another is an unbalanced type terminal. The transmission filter and the receiving filter includes surface acoustic wave resonators or film bulk acoustic resonators. The balanced type terminal is connected to a longitudinal mode coupled surface acoustic wave filter. | 2010-06-24 |
20100156555 | FREQUENCY AGILE VARIABLE BANDWIDTH RADIO FREQUENCY CAVITY RESONATOR - A radio frequency (RF) cavity resonator having a resonator chamber and one or more RF coupling loop assemblies is presented. The RF coupling loop assembly has a connector with a first connector interface coupled to an inner conductor and a second connector interface coupled to an outer conductor, the first and second connector interfaces forming a pair when mated, the second connector interface rotatable about a collinear axis of the connector and the first connector interface not rotatable about the collinear axis of the connector; a wire loop coupler; and a bandwidth selection element at least partially coupled to the coupling loop assembly. In response to changing the bandwidth selection setting while the RF cavity resonator is operational, the wire loop changes orientation about the collinear axis of the connector and causes the RF resonator chamber to output an RF carrier signal having a bandwidth of the new bandwidth setting. | 2010-06-24 |
20100156556 | WIDEBAND ELECTROMAGNETIC CLOAKING SYSTEMS - Arrangement of resonators in an aperiodic configurations are described, which can be used for electromagnetic cloaking of objects. The overall assembly of resonators, as structures, do not all repeat periodically and at least some of the resonators are spaced such that their phase centers are separated by more than a wavelength. The arrangements can include resonators of several different sizes and/or geometries arranged so that each size or geometry corresponds to a moderate or high “Q” response that resonates within a specific frequency range, and that arrangement within that specific grouping of akin elements is periodic in the overall structure. The relative spacing and arrangement of groupings can be defined by self similarity and origin symmetry. | 2010-06-24 |
20100156557 | PHASE SHIFTER - A phase shifter includes a substrate, an input part, a plurality of first transmission lines, a plurality of second transmission lines, a coupling part, a controller, and a plurality of output parts. When a signal is fed in a first transmission line, the fed signal is distributed to a corresponding second transmission line via the first transmission line, and an area of the second transmission line shielded by the coupling part is changed by rotating the coupling part through the controller, so as to shift a phase of the signal transmitted by the second transmission line. | 2010-06-24 |
20100156558 | MICROWAVE PULSE COMPRESSOR USING SWITCHED OVERSIZED WAVEGUIDE RESONATOR - A microwave pulse compressor has an elongated, cross-sectionally oversized waveguide resonator for decreasing the attenuation of the resonator, thereby increasing the resonator's Q | 2010-06-24 |
20100156559 | MILLIMETER WAVE TRANSMISSION LINE FOR SLOW PHASE VELOCITY - A grounding plate and a transmission line are provided in a stack of dielectric material layers. First transmission line portions having a first width are alternately interlaced with second transmission line portions having a second width in the transmission line. The second width is greater than the first width so that inductance of the transmission line is increased relative to a transmission line having a fixed width. Metal fins may be provided between the grounding plate and the transmission line in the stack of the dielectric material layers. The metal fins may be grounded to the grounding plate to increase capacitance between the transmission line and the grounding plate. The increase in the inductance and the capacitance per unit length between the transmission line and the grounding plate is advantageously employed to provide a reduced phase velocity for electromagnetic signal transmitted through the transmission line. A design structure for the transmission line structure is provided. | 2010-06-24 |
20100156560 | FILTER CIRCUIT AND COMMUNICATION DEVICE - There is provided a filter circuit that includes a flying capacitor and a capacitor that is provided in parallel with the flying capacitor, between an input terminal and an output terminal of the flying capacitor. As the capacitor that has a predetermined capacity is provided between the input terminal and the output terminal of the flying capacitor, it is possible to provide steep attenuation characteristics in the filter circuit provided with the flying capacitor. | 2010-06-24 |
20100156561 | FILTER CIRCUIT AND COMMUNICATION DEVICE - There is provided a filter circuit that includes: a flying capacitor which maintains polarity when switching from an input terminal to an output terminal, and the polarity of which is reversed when switching from the output terminal to the input terminal; a first capacitor that is provided in parallel to the flying capacitor, at the input terminal of the flying capacitor; and a second capacitor that is provided in parallel to the flying capacitor, at the output terminal of the flying capacitor. The flying capacitor includes a variable capacity element such that capacity becomes smaller when switching from the input terminal to the output terminal and capacity becomes larger when switching from the output terminal to the input terminal. | 2010-06-24 |
20100156562 | WIDEBAND VARIABLE FREQUENCY BAND PASS FILTER - A wideband variable frequency band pass filter of an IEEE 802.22 wireless regional area network (WRAN) system operating in a very high frequency (VHF)/ultra high frequency (UHF) TV broadcast band. | 2010-06-24 |
20100156563 | WIRELESS IC DEVICE AND COMPONENT FOR WIRELESS IC DEVICE - A wireless IC device includes a wireless IC chip, a power supply circuit board upon which the wireless IC chip is mounted, and in which a power supply circuit is provided, the power supply circuit includes a resonant circuit having a predetermined resonant frequency, and a radiation pattern, which is adhered to the underside of the power supply circuit board, for radiating a transmission signal supplied from the power supply circuit, and for receiving a reception signal to supply this to the power supply circuit. The resonant circuit is an LC resonant circuit including an inductance device and capacitance devices. The power supply circuit board is a multilayer rigid board or a single-layer rigid board, and between the wireless IC chip and the radiation pattern is connected by DC connection, magnetic coupling, or capacitive coupling. | 2010-06-24 |
20100156564 | FILTER CIRCUIT AND COMMUNICATION DEVICE - There is provided a filter circuit that includes: a flying capacitor which maintains polarity when switching from an input terminal to an output terminal, and the polarity of which is reversed when switching from the output terminal to the input terminal; a first capacitor that is provided in parallel with the flying capacitor, at the input terminal of the flying capacitor; and a second capacitor that is provided in parallel with the flying capacitor, at the output terminal of the flying capacitor. The flying capacitor is switched from the input terminal to the output terminal with a delay of a predetermined time after the switching from the output terminal to the input terminal, and the flying capacitor is switched from the output terminal to the input terminal with a delay of a predetermined time after the switching from the input terminal to the output terminal. | 2010-06-24 |
20100156565 | FILM BULK ACOUSTIC RESONATOR - An object is to provide a film bulk acoustic resonator capable of improving resonant characteristics by reducing the generation of a standing wave to be caused by a transverse-mode acoustic wave to a minimum. In a film bulk acoustic resonator including a resonant portion A having a piezoelectric material layer | 2010-06-24 |
20100156566 | Q ENHANCEMENT IN MICROMACHINED LATERAL-EXTENSIONAL RESONATORS - A high Q resonator device is disclosed. The device includes a substrate, a resonator tethered to the substrate by a tether, and an acoustic reflector etched into the substrate and positioned proximate the tether so as to reflect a substantial portion of planar acoustic energy received from the tether back into the tether. | 2010-06-24 |
20100156567 | Hairpin Microstrip Bandpass Filter - A microstrip filter having a plurality of hairpin microstrip resonators each having two substantially rectangular legs connected at one end and generally configured in a “U” shape. The microstrip filter may comprise a first of the plural resonators operatively connected to a first feed point, a second of the plural resonators operatively connected to a second feed point, and a third of the plural resonators operatively connected between the first and second resonators where an end portion of one of the legs of one of the resonators is tapered so that a thickness of the one leg is greater at one end of the one leg than at another end of the one leg. | 2010-06-24 |
20100156568 | MICROWAVE FILTER BASED ON A NOVEL COMBINATION OF SINGLE-MODE AND DUAL-MODE CAVITIES - A microwave filter based on the combination of dual-mode and single-mode cavities. The single-mode cavity symmetrically extends from the dual-mode cavity with respect to the symmetric reference plane to form the so called extended doublet network. The microwave filter in extended-doublet configuration exhibit high frequency selectivity since it has a pair of finite frequency transmission zeros on the upper and lower stopband. The design concept can also be applied to build higher order filters. | 2010-06-24 |
20100156569 | MEMS RESONATOR HAVING AT LEAST ONE RESONATOR MODE SHAPE - The invention relates to a MEMS resonator having at least one mode shape comprising: a substrate ( | 2010-06-24 |
20100156570 | Resonator for wireless power transmission - Disclosed is a resonator for wireless power transmission used in a mobile device. The resonator includes a substrate, at least one microstrip line, and a magnetic core. The microstrip line is formed on the substrate and is provided at one side thereof with a slit to have an open-loop shape. The magnetic core is formed on the substrate and is disposed on a space defined by the microstrip line to increase coupling strength. | 2010-06-24 |
20100156571 | DUAL MODE SINGLE CAVITY PULSE COMPRESSOR - An rf pulse compressor has a single high Q cavity resonator fed by a four port hybrid coupler which is connected to the resonator at coupling ports located at the intersection of two of the resonator's orthogonal axes with the resonator cavity walls. The hybrid coupler divides pulse power from an rf pulse power source and excites two space and phase orthogonal modes in the single cavity, the stored energy of which aids in producing compressed pulses at the output of the hybrid. On-axis perturbations in the cavity walls can be used to lock the orthogonal orientation of the modes excited in the cavity. | 2010-06-24 |
20100156572 | CARRIER FOR TRANSMITTING HIGH FREQUENCY SIGNAL AND CARRIER LAYOUT METHOD THEREOF - A carrier for transmitting a high frequency signal and a carrier layout method thereof are provided. The carrier includes a substrate, conducting wires and reference planes both formed on the substrate. The carrier layout method includes defining impedance and thickness of the carrier according to the high frequency signal and defining layout parameters according to the impedance and the thickness. The layout parameters include a conducting layer formed on the conducting wires, a coplanar waveguide formed between the reference planes and the conducting wires, roughness portions formed on the conducting wires, recessed portions formed on the conducting wires, and the substrate being a high loss tangent substrate. The layout is performed according to the layout parameters defined thereabove, so as to increase loss of the high frequency signal in transmission. | 2010-06-24 |
20100156573 | METAMATERIALS FOR SURFACES AND WAVEGUIDES - Complementary metamaterial elements provide an effective permittivity and/or permeability for surface structures and/or waveguide structures. The complementary metamaterial resonant elements may include Babinet complements of “split ring resonator” (SRR) and “electric LC” (ELC) metamaterial elements. In some approaches, the complementary metamaterial elements are embedded in the bounding surfaces of planar waveguides, e.g. to implement waveguide based gradient index lenses for beam steering/focusing devices, antenna array feed structures, etc. | 2010-06-24 |
20100156574 | INFORMATION PROCESSING APPARATUS AND METHOD OF MANUFACTURING THE SAME - An information processing apparatus having a non-contact IC portion which performs radio communication with a reader/writer is provided. The non-contact IC portion includes: capacitors connected so that capacitance can be changed between multiple stages; a coil connected to the capacitors; and a switching portion which turns on/off connection of the capacitors so that a resonance frequency expressed based on capacitance of the capacitors and inductance of the coil is set within a given effective resonance frequency range. | 2010-06-24 |
20100156575 | Receiver with tuner front end using tracking filters and calibration - A broadband tuner includes a tracking filter with calibration to compensate for component errors and drift. The filters use off-die inductors that are preferably within a system-in-package (SIP) with other critical tuner components, which produces a highly integrated tuner front end with high Q filters within a single package. High voltage varactors with a large tuning range can be used for variable capacitors. The integration of the tuner into a SIP allows the tuner design to be optimized for cost and performance while keeping the critical RF layout requirements within the tuner. A configurable tuner front end enables modes for low noise, high linearity, good input return loss (S | 2010-06-24 |
20100156576 | CIRCUIT BREAKER HAVING REDUCED AUXILIARY TRIP REQUIREMENTS - A bimetal in a circuit breaker can deflect in a first direction or a second direction depending upon conditions. If the bimetal deflects in the second direction it can increase the force necessary to operate a trip mechanism of the circuit breaker. A yoke stop helps to control bimetal deflection forces and thus, the amount of force necessary to operate the trip mechanism. This allows better control, size, and selection of operating parts for the circuit breaker. | 2010-06-24 |
20100156577 | MICRO-ELECTROMECHANICAL SYSTEM SWITCH - A micro electro-mechanical system switch is presented. The switch includes a base substrate having a support surface. An actuating surface having a notch and an electrical contact surface having an extension is provided. The extension is disposed within the notch. A beam is attached to the base substrate. The beam includes an actuatable free end that is configured to flex upon actuation and to make contact with at least a portion of the extension and carry current therethrough. | 2010-06-24 |
20100156578 | Device mounted contactor - Provided is a device mounted contactor and a method of reducing continuous charge distribution, especially in a vehicle. The contactor includes a housing, and a plurality of power terminals. The device may further include a conductance shield and support structure extending from the housing. Situated at least partially in the housing is a switch, which is capable of electrically coupling at least two of the plurality of power terminals. One or more electrically insulative covers may be provided. The contactor may also provide a fused accessory terminal, which is electrically coupled to one of the power terminals through a fuse. A method according to the present invention reduces continuous electrical charge distribution in an electrical circuit by mechanically attaching a first contactor power terminal to a battery terminal and electrically coupling a second contactor power terminal to a circuit, which may include a vehicle starter. | 2010-06-24 |
20100156579 | FERROMAGNETIC SHAPE MEMORY ALLOY AND ITS USE - A ferromagnetic shape memory alloy comprising 25-50 atomic % of Mn, 5-18 atomic % in total of at least one metal selected from the group consisting of In, Sn and Sb, and 0.1-15 atomic % of Co and/or Fe, the balance being Ni and inevitable impurities, which has excellent shape memory characteristics in a practical temperature range, thereby recovering its shape by a magnetic change caused by a magnetic-field-induced reverse transformation in a practical temperature range. | 2010-06-24 |
20100156580 | SAFETY APPARATUS - The invention relates to a safety apparatus for avoiding a possible fire risk in an operating magnet which can be supplied with electric current, having at least one coil former ( | 2010-06-24 |
20100156581 | PACKAGING ASSEMBLY COMPRISING A MODULATED MAGNETIZATION DEVICE - An assembly includes a container that contains a fluid composition having magnetic substances and a magnetization device that makes it possible to produce a pattern on a substrate onto which said composition has been deposited, the magnetization device including a holder and two magnets, at least one of which is in the form of a flexible sheet, the two magnets being at least partially superposed so that the field lines that they generate in combination with one another result from the interference between the field lines of each of the magnets. | 2010-06-24 |
20100156582 | PARK LOCK SOLENOID - A solenoid for a park lock mechanism wherein an annular frame has a reduced diameter at one end and receives a bobbin with a coil wound thereon with the bobbin projecting outward of the coil at one end and defining an integral bearing positioned in the one end of the annular frame. A magnetic permeable sintered metal bushing is interposed between the integrated bearing of the bobbin and the one end of the annular frame. A plunger is received in the bobbin for sliding movement relative thereto. The plunger has a first reduced section at one end that includes an element for connecting to a shifter and a second reduce section at its other end that projects out of said bobbin. The solenoid has two operating conditions, a first condition in which no magnetic force is applied to the plunger and a connected shifter is locked, and a second condition in which magnetic force is applied to the plunger and a connected shifter is unlocked for shifting. A manual release is provided for coacting with the plunger for putting the solenoid into the second condition in the absence of power. | 2010-06-24 |
20100156583 | WINDING ELEMENT FOR A COIL WINDING AND TRANSFORMER ARRANGEMENT - The invention relates to a winding element ( | 2010-06-24 |
20100156584 | COIL COMPONENT - A coil component that can be mounted on a printed circuit board, with a part in an aperture of the printed circuit board. The coil component includes a first flange on an upper side and a second flange. Terminal boards are on respective opposite sides of the first flange. Terminals respectively project in a direction perpendicular to an axial direction of a winding drum, from the terminal boards and bend and are inserted into through-holes of the printed circuit board. First and second touching surfaces, which are parts of a downside surface of the second flange, touch an upside surface of the printed circuit board. | 2010-06-24 |
20100156585 | SEMICONDUCTOR MODULE FOR CONNECTING TO A TRANSFORMER WINDING, AND TRANSFORMER ARRANGEMENT - The invention relates to a semiconductor module ( | 2010-06-24 |
20100156586 | CURRENT-COMPENSATED CHOKE AND METHOD FOR PRODUCING A CURRENT-COMPENSATED CHOKE - The invention relates to a current-compensated choke with a ring core at least two coils composed in each case of the same number of windings, wherein in the interior of the ring core a non-conductive body is arranged with holes embodied in pairs in a mirror symmetrical manner to a symmetry axis of the ring core, wherein respectively one winding is guided through each hole of at least some of the pairs of symmetrical holes, and windings corresponding to one another of different coils are guided through the two holes comprising a pair, and a method for producing a current-compensated choke of this type. | 2010-06-24 |
20100156587 | THERMOSETTING RESIN COMPOSITION AND COIL FOR ELECTRIC MACHINE - A thermosetting resin composition comprises (A) a polymeric component having at least two polymerizable substituents in the molecule, (B) a compound having at least one polymerizable substituent in the molecule and (C) a living polymerization agent for curing the resin composition. | 2010-06-24 |
20100156588 | RESISTOR STRUCTURE OF PHASE CHANGE MATERIAL AND TRIMMING METHOD THEREOF - An embodiment of a resistor formed by at least one first portion and one second portion, electrically connected to one another and with different crystalline phases. The first portion has a positive temperature coefficient, and the second portion has a negative temperature coefficient. The first portion has a first resistivity, and the second portion has a second resistivity, and the portions are connected so that the resistor has an overall temperature coefficient that is approximately zero. | 2010-06-24 |
20100156589 | Resistor and method for making a resistor - A resistor having a body, a fuse component, a resistor component, a wire and a cover. The body has a top, a first positioning hole and a second positioning hole being formed in the top of the body. The fuse component is inserted in the first positioning hole. The resistor component is inserted in the second positioning hole. The wire connects the fuse component and the resistor component and is mounted outside the body. The cover is attached to the top of the body around the wire. Therefore, the body of resistor as described may be dried in an oven without damaging the resistor component. A method having steps of forming a body having two positioning holes, drying the body in an oven heated above 130° C., mounting a resistor component and a fuse component respectively in the positioning holes, and covering the positioning holes with an insulating cover. | 2010-06-24 |
20100156590 | Image Plate Readout Device - The invention relates to an image plate readout device, the readout device comprising receiver elements for the reception of an image plate and/or a transfer element intended for an image plate. In connection with the readout device is provided, for detecting an object, at least one sensing element, which is in turn set in data communication with the readout device in such a way that, upon detecting an object, the sensing element delivers a signal to the readout device. In response to being triggered by a signal delivered by the sensing element, the readout device executes some function. | 2010-06-24 |
20100156591 | Facility Access Integrated With Other Security Systems - Systems and methods for integrating facility access with other security systems are described. An individual seeking access authorization to a facility may be identified with a biometric parameter such as an iris scan. If authorized, the system may allow entry by disabling the alarm system, and a time period for access may be determined based on one or more characteristics associated with the individual. These characteristics may include the functional role of the individual at the facility and/or the location of the facility itself. Moreover, this facility access authorization system may be integrated with a network access authorization system associated with the facility so that when an individual gains access to the facility for a specific time period, the system is also able to determine how long the individual may access its network resources. | 2010-06-24 |
20100156592 | Television Theft Deterrence - A signal received by a television over a communication medium is interrogated for the presence of a remotely transmitted ping. The television is operated in response to detection of the presence of the ping in the received signal. The television is locked against use in response to failing to detect the presence of the ping in the received signal. | 2010-06-24 |
20100156593 | Radiation image capturing system - The power consumption of a battery for supplying electric power to a cassette having a radiation detector for detecting radiation image information is greatly reduced. When a cassette transceiver of the cassette starts transmitting the radiation image information to a console transceiver of a console, the cassette transceiver changes the gain of a variable-gain amplifier to change a transmission radio-wave intensity, and transmits a test signal at the changed transmission radio-wave intensity. When the console transceiver receives the test signal, the console transceiver transmits a reception acknowledgement signal generated by a reception acknowledgement signal generator. In response to the reception acknowledgement signal, the cassette transceiver sets its own transmission radio-wave intensity to a value at the time the cassette transceiver received the reception acknowledgement signal, and transmits the radiation image information at the set transmission radio-wave intensity. | 2010-06-24 |