11th week of 2010 patent applcation highlights part 21 |
Patent application number | Title | Published |
20100066406 | Semiconductor device - The semiconductor device may include, but is not limited to, a first switching circuit, a second switching circuit, and a control circuit. The first switching circuit switches between first and second states. The second switching circuit switches between the first and second states. The second switching circuit reduces a first power impedance across the first switching circuit. The control circuit is coupled to the first and second switching circuits. The control circuit keeps the first switching circuit in the first state. The control circuit switches the second switching circuit from the second state to the first state. | 2010-03-18 |
20100066407 | Operational Time Extension - Some embodiments provide a reconfigurable integrated circuit (“IC”). This IC has several reconfigurable circuits, each having several configurations for several configuration cycles. The reconfigurable circuits include several time-extending reconfigurable circuits. During the operation of the IC, each particular time-extending reconfigurable circuit maintains at least one of its configurations over at least two contiguous cycles, in order to allow a signal to propagate through a signal path, which contains the particular time-extending circuit, within a desired amount of time. Some embodiments provide a method of designing a reconfigurable IC that has several reconfigurable circuits, each having several configurations and operating in several reconfiguration cycles. The method identifies a signal path through the IC that does not meet a timing constraint. The signal path includes several circuits, one of which is a particular reconfigurable circuit. The method then maintains a configuration of the particular reconfigurable circuit constant over at least two contiguous reconfiguration cycles in order to reduce signal delay through the signal path and thereby satisfy the timing constraint. | 2010-03-18 |
20100066408 | CONFIGURATION DATA FEEDING DEVICE - A configuration data feeding device for feeding configuration data to a plurality of FPGAs includes a memory for storing configuration data that are fed to the plurality of FPGAs, a plurality of interface units for outputting the configuration data read out from the memory, according to their specific configuration layouts, an interface selection unit for selecting, out of the plurality of interface units, an interface unit that is to be used for configuring each of the plurality of FPGAs, and a circuit-switching unit for switching the circuits that connect the FPGAs to the interface units depending upon the selection by the interface selection unit. | 2010-03-18 |
20100066409 | Bidirectional Signal Separation Module for a Bus Converter - A bidirectional signal separation module includes a comparator having a first input node communicatively coupled to a bidirectional single-ended bus, a second input node communicatively coupled to a first voltage source, and an output node communicatively coupled to a unidirectional data transmission node; and a resistive network having a first node communicatively coupled to the second voltage source, a second node communicatively coupled to the bidirectional single-ended bus, a third node communicatively coupled to ground, and a fourth node communicatively coupled to an electronic switch. The electronic switch is configured to alternately couple the fourth node of the resistive network to the second voltage source or ground according to a voltage level on a unidirectional data receiving node. | 2010-03-18 |
20100066410 | LOW-LOSS IMPEDANCE-MATCHED SOURCE-FOLLOWER FOR REPEATING OR SWITCHING SIGNALS ON A HIGH SPEED LINK - Switching and repeating applications using an impedance matched source follower improve performance of high speed links such as PCI Express, HDMI, DisplayPort and DVI by reducing attenuation and other degradation of high speed signals, including those with transmit pre-emphasis, by avoiding impedance discontinuities over process, voltage and temperature variations and by driving a broader range of loads, e.g., heavily capacitive loads. A circuit for switching or repeating signals on a single-ended or differential high speed link may comprise a source follower with input and output impedances matched to input and output transmission lines on the high speed link. The source follower is biased by a constant transconductance circuit, an external calibration circuit or other circuit to provide an essentially constant output impedance over process, voltage and temperature variations. | 2010-03-18 |
20100066411 | LOGIC CIRCUIT USING METAL-INSULATOR TRANSITION (MIT) DEVICE - Provided is a logic circuit comprising a metal-insulator transition (MIT) device, including: an MIT device unit including an MIT thin film, an electrode thin film contacting the MIT thin film, and at least one MIT device undergoing a discontinuous MIT at a transition voltage V | 2010-03-18 |
20100066412 | Method and Device for Recording Values of a Signal - The present invention relates to a method and an apparatus for reducing the quantity of values of a sampled signal which need to be stored. A value of the signal is stored if the value is outside, or at the edge of a, predefined value range whose size is determined by an upper limiting value and a lower limiting value. According to the invention, the size of the value range is changed, in particular is continuously reduced to zero, staring from a predefined starting size of the value range, which the values are being recorded. | 2010-03-18 |
20100066413 | CURRENT SENSING CIRCUIT FOR PWM APPLICATIONS WITH PULSE WIDTH MODULATION AND CORRESPONDING CURRENT PROCESS - A current sensing circuit for a pulse width modulation (PWM) application may include first and second input terminals to be coupled to ends of a sensing resistance, an output terminal, and first and second internal circuit nodes. The current sensing circuit further may include an input block comprising a first transconductance amplifier to be coupled to a supply voltage. The first transconductance amplifier may be coupled to the first and second input terminals and to the first and second internal circuit nodes. The current sensing circuit may also include an amplifier block comprising an amplifier to be coupled to a reference voltage, and coupled to the first and second internal circuit nodes and the output terminal, and a feedback block comprising a second transconductance amplifier to be coupled to the supply voltage and being coupled to the output terminal and the first and second internal circuit nodes. The input block may further include a third transconductance amplifier coupled in cascade to the first transconductance amplifier and to the first and second input terminals. | 2010-03-18 |
20100066414 | LEAKAGE COMPENSATION FOR SAMPLE AND HOLD DEVICES - A sample and hold circuit in one aspect includes first and second switches. The first switch can be coupled to receive an input signal and to sample the input signal using a first capacitor. A first leakage current flows between first and second conductive terminals of the first switch and accumulates as a first leakage charge in the first capacitor. A second leakage current flows between the first and second conductive terminals of the second switch and accumulates as a second leakage charge in the second capacitor. An offset circuit produces a compensated sampled value by subtracting a quantity from a signal developed in response to the held sampled signal and charge accumulated through the first switch, wherein the quantity is developed in response to the accumulated leakage charge in the second capacitor. | 2010-03-18 |
20100066415 | CIRCUIT FOR THE GENERATION OF PULSE-WIDTH MODULATION SIGNALS, PARTICULARLY FOR A SATELLITE RECEPTION SYSTEM - An embodiment of regulation and shaping circuit includes a first input terminal for receiving a first input signal with a first frequency; a second input terminal for receiving a second input signal with a second frequency higher than the first frequency; a first circuital branch coupled to the first input terminal and, through first coupling means active at the first frequency, to an output terminal for providing an output signal; a second circuital branch coupled to the second input terminal and to the output terminal, wherein said second circuital branch comprises a negative feedback circuital loop adapted to control the output signal according to the second input signal. | 2010-03-18 |
20100066416 | DIGITALLY-CONTROLLED OSCILLATOR, FREQUENCY SYNTHESIZER AND RADIO COMMUNICATION DEVICE - A frequency synthesizer includes a digitally-controlled oscillator and an oscillation frequency control unit. The digitally-controlled oscillator includes a loop-shaped transmission line path having an odd number of parallel portions in each of which two conductors are arranged in parallel to each other with a space therebetween, and an odd number of intersection portions in each of which two conductors intersect spatially, an active circuit coupled between the two conductors, and a first variable capacitance unit and a second variable capacitance unit. The oscillation frequency control unit includes a ΣΔ modulation circuit for subjecting to ΣΔ modulation a first control signal for switching a high capacitance state and a low capacitance state of a first variable capacitance element included in the first variable capacitance unit. | 2010-03-18 |
20100066417 | HIGH-FREQUENCY COUNTER - The present invention relates to a counter circuit and method of controlling such a counter circuit, wherein a first counting section counts in accordance with a state-cycle, and a second counting section is clocked by the first counting section. At least one invalid counting state is introduced by controlling the second counting section to change its state before the first counting section has completed the state-cycle; and the at least one invalid counting state is then detected and corrected. Thereby, some redundancy is introduced in the counter, which can be used to detect and correct incomplete switching of counter states. | 2010-03-18 |
20100066418 | DIFFERENTIAL CURRENT DRIVING TYPE DATA TRANSMISSION SYSTEM - A differential current driving type data transmission system includes a line drive controller for outputting differential transmission signals and common mode line control signals, in response to a transmission signal; current sources for generating an excitation current and a base current and for driving positive/negative transmission lines with the base current; a first switch for selectively switching the excitation current to the positive/negative transmission lines, in response to the differential transmission signals; and a second switch for equalizing the positive/negative transmission lines within a common mode interval, in response to the common mode line control signals, wherein, in the common mode, the positive/negative transmission lines are driven at a level above or below an intermediate current level by a predetermined common mode current difference. | 2010-03-18 |
20100066419 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device has a combinational logic circuit including one or plural logic cells connected in series. At least one of the logic cells includes a standard cell which includes a MIS transistor, an input terminal to which an output signal from a previous stage is inputted as an input signal, and an output terminal. A first conductivity-type first MIS transistor which is provided between the output terminal of the standard cell and a first power supply voltage, the first MIS transistor including a control terminal to which a circuit control signal is inputted, and the first MIS transistor supplying the first power supply voltage to the output terminal of the standard cell based on the circuit control signal in order to bring the standard cell into an operation-stopped state. A second conductivity-type second MIS transistor cuts off a leakage current of the MIS transistor in the standard cell. | 2010-03-18 |
20100066420 | Wide Range Operational Charge Pump Circuit - A charge pump that includes cascade transistors and current mirror circuitry to form a folded cascade structure that isolates the control inputs from the charge pump output and also increases the range of the output. The charge pump includes inputs to receive UP and DN (down) control signals and provides an output current that is based on the control signals. The charge pump may be configured as either a differential or non-differential device. The switching transistors that receive the control signals may use a lower voltage than the current source transistors in the charge pump In differential-type embodiments of the present charge pump, an amplifier can be used to control current source transistors based on differences between the output voltages of the charge pump, thereby adjusting the current flowing through the current source transistors and driving the average of the output voltages to a desired common mode voltage. | 2010-03-18 |
20100066421 | ADAPTIVE CALIBRATION FOR DIGITAL PHASE-LOCKED LOOPS - Techniques for adaptively calibrating a TDC output signal in a digital phase-locked loop (DPLL). In an exemplary embodiment, a calibration factor multiplied to the TDC output signal is adaptively adjusted to minimize a magnitude function of a phase comparator output signal of the DPLL. In an exemplary embodiment, the calibration factor may be adjusted using an exemplary embodiment of the least-mean squares (LMS) algorithm. Further techniques for simplifying the adaptive algorithm for hardware implementation are described. | 2010-03-18 |
20100066422 | CLOCK TIMING CALIBRATION CIRCUIT AND CLOCK TIMING CALIBRATION METHOD FOR CALIBRATING PHASE DIFFERENCE BETWEEN DIFFERENT CLOCK SIGNALS AND RELATED ANALOG-TO-DIGITAL CONVERSION SYSTEM USING THE SAME - A clock timing calibration circuit includes a clock timing adjusting unit and a calibration control unit. The clock timing adjusting unit is for receiving an incoming reference clock signal and selectively adjusting the received reference clock signal to generate a first clock signal according to a calibration control signal. The incoming reference clock has a predetermined phase and a predetermined frequency, The calibration control unit is for checking if the phase difference between the first clock signal and a second clock signal satisfies a predetermined criterion, and for adjusting the calibration control signal when the phase difference between the first clock signal and the second clock signal does not satisfy the predetermined criterion. The predetermined criterion is to check if the phase difference falls within a specific range associated with a clock period of one of the first clock signal and the second clock signal. | 2010-03-18 |
20100066423 | PHYSICAL QUANTITY DETECTION CIRCUIT AND PHYSICAL QUANTITY SENSOR DEVICE - A physical quantity detection circuit ( | 2010-03-18 |
20100066424 | SEMICONDUCTOR DEVICE AND CONTROL METHOD THEREOF - According to an aspect of the embodiment, a skew detecting unit includes at least one over delay path or racing path for detecting skew. A clock adjusting unit sets a set value of delay based on the skew detected by the skew detecting unit. A clock cell adjusts delay in a first clock according to the set value of the delay, and outputs the result as a second clock. | 2010-03-18 |
20100066425 | Synchronization detection circuit, pulse width modulation circuit using the same, and synchronization detection method - Provided is a synchronization detection circuit including: a multiphase clock generation circuit which includes a phase locked loop circuit that generates multiphase clock signals having a plurality of different phases, based on a reference clock signal, and which generates high-speed multiphase clock signals having a frequency obtained by multiplying a frequency of the reference clock signal, and low-speed multiphase clock signals having a frequency obtained by dividing a frequency of the high-speed multiphase clock signal; and a synchronous clock specifying circuit that specifies a clock signal synchronized with a synchronous signal from among the multiphase clock signals, and generates a synchronous position signal indicating a synchronous position of the synchronous signal, based on a comparison result between the synchronous signal and the high-speed multiphase clock signals and a comparison result between the synchronous signal and representative clock signals selected from the low-speed multiphase clock signals. | 2010-03-18 |
20100066426 | BASELINE RESTORE BASED ON DIODE STAR CONFIGURATION AND TRANSFORMER COUPLING - A simple, low cost circuit with only passive components, and thus low power consumption, is provided for baseline restoration of an AC coupled signal. The circuit includes a passive network of diodes arranged in a star configuration and an RF-transformer. A differential signal strategy may be employed by including a differential amplifier at the input and output of the passive network. | 2010-03-18 |
20100066427 | STEPPED DELAY CONTROL OF INTEGRATED SWITCHES - An integrated switching device, such as an RF attenuator, can be controlled to be in various states according to control bits of a control signal. The integrated switching device can be gradually transitioned from one state to another by staggering the timing of changing the control bits. Latch-up problems in the integrated switching device can thereby be reduced or prevented. | 2010-03-18 |
20100066428 | PIN-SHARING ANALOG FRONT-END PROCESSING APPARATUS AND METHOD FOR PIN-SHARING THEREOF - An analog front-end processing apparatus capable of sharing pins includes a plurality of positive pins, a negative pin, a plurality of positive clamping circuits, a negative clamping circuit, a plurality of sample and hold circuits and a plurality of adjusting circuits. The positive clamping circuits have positive signals fixed at their corresponding target positive voltages. The negative clamping circuit has a negative signal fixed at a first reference voltage. Each sample and hold circuit has a positive input terminal and a negative input terminal, wherein a voltage difference between the two input terminals is substantially equal to a voltage difference between the corresponding target positive voltage and the first reference voltage during a sample period, and a voltage difference between the two input terminals is equal to a voltage difference between the corresponding target negative voltage and a second reference voltage during a hold period. | 2010-03-18 |
20100066429 | POWER SUPPLY VOLTAGE FORMING DEVICE AND POLAR MODULATION TRANSMISSION DEVICE - Provided is a power voltage forming device which can correct an offset voltage of a high-frequency power amplifier without degrading distortion characteristic of a high-frequency power amplifier. The power voltage forming device ( | 2010-03-18 |
20100066430 | Controlling a Flicker Noise Characteristic Based on a Dielectric Thickness - The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. | 2010-03-18 |
20100066431 | LOW POWER ISOLATION DESIGN FOR A MULTIPLE SOURCED POWER BUS - A redundant power supply connected to a common load is provided. Each power supply is connected to the common load through a series of MOSFET pairs. Each MOSFET in a MOSFET pair is individually controlled to reduce power consumption as well as the need for heat sinks on discrete diodes. Moreover, by providing individually controllable MOSFETs the present invention is capable of switching between power supplies without shorting the power supplies or having a significant drop in bus voltage. | 2010-03-18 |
20100066432 | OPERATING AN INTEGRATED CIRCUIT - The invention relates to operating an Integrated Circuit (IC). The present inventor has assessed that IC systems may suffer from limited lifetime e.g. due to overheating. Among others the invention discloses a method of operating an IC ( | 2010-03-18 |
20100066433 | BIAS CONTROLLER - A bias controller which can adjust a bias voltage of a FET without accidentally setting the bias voltage to a voltage which damages the FET, is provided. The bias controller includes temperature detector | 2010-03-18 |
20100066434 | TEMPERATURE COMPENSATING CIRCUIT AND METHOD - A temperature compensating circuit including a reference circuit, a transistor and a first circuit is provided. The reference circuit has a reference current and a resistance circuit, wherein the resistance circuit includes a first terminal receiving the reference current, a second terminal and a negative-temperature-coefficient resistor. The transistor has a drain, a source and a path disposed between the drain and the source, wherein the path of the transistor is connected in series with the resistance circuit, a gate of the transistor is electrically connected to the drain of the transistor and the second terminal of the resistance circuit, and the drain of the transistor produces a bias-voltage signal. The first circuit produces an output signal having a variable frequency in response to the bias-voltage signal, wherein the temperature compensating circuit utilizes the negative-temperature-coefficient resistor to compensate the variable frequency for a temperature change in the temperature compensating circuit. | 2010-03-18 |
20100066435 | Biasing for Transistor-based Apparatuses and Methods - The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. | 2010-03-18 |
20100066436 | ACTIVE-TIME DEPENDENT BIAS CURRENT GENERATION FOR SWITCHED-CAPACITOR CIRCUITS - Exemplary embodiments of the disclosure include adaptively generating a bias current for a switched-capacitor circuit. An exemplary apparatus includes a first phase signal and a second phase signal operating at a sampling rate. An asserted time of the first phase signal and an asserted time of the second phase signal are separated by a predefined non-overlap time. The apparatus also includes a switched-capacitor circuit with a plurality of switched capacitors operably coupled to the first phase signal and the second phase signal. An amplifier is operably coupled to the switched-capacitor circuit and has a response time inversely proportional to an adaptive bias current. A bias generator is coupled to the amplifier and operates to modify the adaptive bias current responsive to the asserted time of the first phase signal. | 2010-03-18 |
20100066437 | Application of Control Signal and Forward Body-Bias Signal to an Active Device - The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. | 2010-03-18 |
20100066438 | Biasing a Transistor Out of a Supply Voltage Range - The present disclosure relates to constructing and operating a transistor or other active device with significantly reduced flicker noise. | 2010-03-18 |
20100066439 | SYSTEMS AND METHODS FOR MINIMIZING STATIC LEAKAGE OF AN INTEGRATED CIRCUIT - A leakage manager system for adequately minimizing static leakage of an integrated circuit is disclosed. The leakage manager system includes a generator configured to generate a control signal to be applied to a sleep transistor. A monitor is configured to determine whether to adjust the control signal to adequately minimize the static leakage. In some embodiments, the monitor includes an emulated sleep transistor. A regulator is configured to adjust the control signal depending on the determination. | 2010-03-18 |
20100066440 | TRANSISTOR WITH A PASSIVE GATE AND METHODS OF FABRICATING THE SAME - Disclosed is a device having a transistor that includes a source, a drain, a channel region extending between the source and the drain, a gate disposed near the channel region, and a conductive member disposed opposite of the channel region from the gate. The conductive member may not overlap the source, the drain, or both the source and the drain. | 2010-03-18 |
20100066441 | MOS with reverse current limiting function and a voltage conversion circuit using the same - A MOS with reverse current limiting function and a voltage conversion circuit using the same is disclosed which employs a resistance unit coupled between a base and a first source/drain of a metal oxide semiconductor (MOS). When a reverse current occurs, a reverse current passing through a body diode of the MOS is limited to prevent the MOS from being burned out due to overheating. Moreover, the voltage level of the base is equal to the voltage level of the first source/drain, such that the Rds (on) of the MOS can be reduced. Therefore, a converter with the disclosed MOS may provide a higher conversion efficiency. | 2010-03-18 |
20100066442 | Method and Apparatus for Tunable Current-Mode Filtering - According to the teachings presented herein, a tunable current-mode filter is implemented using two or more tunable filter stages in cascade connection. For example, a number of tunable filter stages corresponding to a desired filter order are included in the filter in cascade connection. Use of the current-mode filter simplifies circuit design, particularly in communication transmitter applications, and avoids current-to-voltage conversions needed when voltage-mode filters are used in current-mode signal processing chains. A method and circuit to tune and calibrate the frequency response of the filter are disclosed as well. | 2010-03-18 |
20100066443 | DEMODULATION APPARATUS, TEST APPARATUS AND ELECTRONIC DEVICE - A demodulation apparatus that demodulates an amplitude-phase-modulated signal having a level and a transition phase selected from among a plurality of levels and a plurality of phases according to transmission data, comprising a clock recovering section that receives the amplitude-phase-modulated signal and recovers a clock signal synchronized with the amplitude-phase-modulated signal; an amplitude and phase detecting section that detects, with the clock signal as a reference, the level and the transition phase of the amplitude-phase-modulated signal; a data output section that outputs data corresponding to the level and the transition phase detected by the amplitude and phase detecting section; and a phase difference correcting section that outputs a correction signal for correcting an oscillation frequency of the clock signal output by the clock recovering section, according to the transition phase detected by the amplitude and phase detecting section. | 2010-03-18 |
20100066444 | WIDE-RANGE AND HIGH-RESOLUTION PROGRAMMABLE GAIN AMPLIFIER - A first gain stage and a second gain stage having different gains are linked in cascade to construct a wide range and high resolution programmable gain amplifier. The second gain stage can be used only for low gain and low power consumption. Furthermore, two pairs of chopper circuits are used to shift flicker noise when the programmable gain amplifier is operated. | 2010-03-18 |
20100066445 | POWER AMPLIFIER, METHOD FOR CONTROLLING POWER AMPLIFIER, AND WIRELESS COMMUNICATION APPARATUS - A power amplifier includes: a distortion compensating circuit that causes a bias circuit to have an output impedance so that a subsequent block bipolar transistor for signal amplification-use has a maximized saturated output power; and a distortion compensating circuit that causes a bias circuit to have an output impedance so that a distortion of an output power of the power amplifier | 2010-03-18 |
20100066446 | CLASS-D AMPLIFIER - The invention describes a power amplifier comprising a first transistor (M | 2010-03-18 |
20100066447 | FILTER COMPENSATION FOR SWITCHING AMPLIFIERS - Embodiments of the present invention provide methods and systems for limiting bipolar current flow in a switching amplifier. Embodiments of the present invention are directed to a multi-referenced switching amplifier. In some embodiment, the switching amplifier is a dual referenced switching amplifier comprising a regulator between the two references, where the first reference provides coarse modulation to a load and the second reference provides fine modulation to the load. The dual referenced switching amplifiers comprise the output filters made up of an inductor and a capacitor. In some embodiments, fine modulation is not applied to the load, thus limiting bipolar current flow induced by the filter inductors. | 2010-03-18 |
20100066448 | DEVICE UNDER TEST POWER SUPPLY - A power supply with and input and output includes an amplifier configured to set an output voltage of the power supply output equal to a fixed input voltage for the power supply. The power supply has a first output stage coupled to the amplifier and configured to source and sink current at the output of the power supply between a first voltage rail and a third voltage rail. The power supply has a second output stage coupled to the amplifier and configured to source and sink current to the output of the power supply between a second voltage rail and the third voltage rail. A selection device is configured to enable the first and second output stages based on a selection input signal. The selection device is situated outside of the first and the second output stages. | 2010-03-18 |
20100066449 | THREE-STAGE FREQUENCY-COMPENSATED OPERATIONAL AMPLIFIER FOR DRIVING LARGE CAPACITIVE LOADS - A three-stage frequency-compensated operational amplifier includes a first-stage circuit, a second-stage circuit incorporated with a first compensation circuit, a third-stage circuit, and a second compensation circuit. The three-stage frequency-compensated operational amplifier functions as a two-stage operational amplifier at high frequencies, thereby capable of driving large capacitive loads with low power consumption. | 2010-03-18 |
20100066450 | High-Speed Low-Power Differential Receiver - A low-voltage differential communication system includes a low- and programmable-swing voltage-mode transmitter that delivers a low-voltage differential signal to a receiver via differential channel. The receiver employs two input transistors, each in a common-gate configuration, to recover the low-voltage differential signal. A current source in the receiver biases the input transistors such that their source voltages are nominally biased at the common-mode voltage of the differential signal, and their gate-source voltages remain essentially constant with common-mode-voltage fluctuations. | 2010-03-18 |
20100066451 | Compound semiconductor device and doherty amplifier using compound semiconductor device - A lower electron supply layer is disposed over a lower electron transport layer made of compound semiconductor. The lower electron supply layer is made of n-type compound semiconductor having an electron affinity smaller than that of the lower electron transport layer. An upper electron transport layer is disposed over the lower electron supply layer. The upper electron transport layer is made of compound semiconductor having a doping concentration lower than that of the lower electron supply layer or non-doped compound semiconductor. An upper electron supply layer is disposed over the upper electron transport layer. The upper electron supply layer is made of n-type compound semiconductor having an electron affinity smaller than that of the upper electron transport layer. A source and drain electrodes are disposed over the upper electron supply layer. A gate electrode is disposed over the upper electron supply layer between the source and drain electrodes. | 2010-03-18 |
20100066452 | WIDEBAND LOW-NOISE AMPLIFIER - A wideband low-noise amplifier of the present invention is designed such that an input terminal is connected to a base of a first transistor, one terminal of a first passive element, and one terminal of a third passive element; an emitter of the first transistor is grounded; a collector of the first transistor is connected to an output terminal, a base of a second transistor, one terminal of a capacitor, and one terminal of a second passive element; the other terminal of the first passive element is connected to the other terminal of the capacitor; an emitter of the second transistor is connected to the other terminal of the third passive element; and a power terminal is connected to a collector of the second transistor and the other terminal of the second passive element, wherein impedance of the third passive element is determined based on impedance of the first transistor whose emitter size is determined to suite desired saturation level of amplification, thus establishing input impedance matching. | 2010-03-18 |
20100066453 | AMPLIFIER WITH COMPENSATED GATE BIAS - An amplifier circuit has an amplifier stage ( | 2010-03-18 |
20100066454 | HIGH-POWER COMMON-BASE AMPLIFIER EMPLOYING CURRENT SOURCE OUTPUT BIAS - A common-base amplifier for a bipolar junction transistor or a heterojunction bipolar transistor employs an active current source output biasing to provide for improved power output in a power saturation region providing increased power for a given transistor area such as may be advantageous in mobile radio transmitters or the like. | 2010-03-18 |
20100066455 | SIGMA DELTA DIGITAL TO ANALOG CONVERTER WITH WIDE OUTPUT RANGE AND IMPROVED LINEARITY - A sigma delta DAC using a single DAC to generate a first analog quantity portion and a second analog quantity portion, having a strength respectively proportionate to the most significant bits (MSBs) and least significant bits (LSBs) of a received digital value. The two portions are added to generate an analog output representing the strength of the digital value. In an embodiment, the single DAC contains a set of current sources, with some of the current sources (determined by the value of the MSBs) being connected to provide the corresponding output currents on a first path. Some of the other current sources, determined by a value of the LSBs, are controlled to be connected to provide the corresponding output currents on a second path. The time durations the currents are connected to the second path, are determined by the output of a sigma delta modulator. | 2010-03-18 |
20100066456 | CLOCK REPRODUCING APPARATUS - A clock reproducing apparatus includes a clock reproducing circuit having: a gated oscillator having an oscillating circuit of two routes; and a frequency control circuit for comparing a phase of an output of the gated oscillator with a phase of a reference clock, and supplying a phase control signal to the gated oscillator based on the comparison result so as to set a delay time, input data is input to a reset input terminal of the gated oscillator, and different route of the two routes of the oscillating circuit operates depending on a case where the input data is “H” and a case where the input data is “L”. | 2010-03-18 |
20100066457 | LOW-POWER RELAXATION OSCILLATOR - The low-power relaxation oscillator comprises a first module ( | 2010-03-18 |
20100066458 | OSCILLATOR AND DRIVING CIRCUIT AND OSCILLATION METHOD THEREOF - An oscillator, a driving circuit and an oscillation method are provided. The driving circuit and a crystal are coupled in parallel to generate a clock signal. The driving circuit includes a buffer unit and a control unit. The buffer unit is coupled in parallel to the crystal, and used to amplify an oscillation signal outputted from the crystal to generate the clock signal. The control unit is coupled to the buffer unit, and used to generate a control signal to the buffer unit. The control unit determines a voltage level of the control signal by detecting whether the clock signal or the oscillation signal satisfies an oscillation condition of the crystal, so as to control a gain value of the buffer unit. Therefore, noise of different frequency bands loaded into the clock signal can be avoided. | 2010-03-18 |
20100066459 | Two-point phase modulator and method of calibrating conversion gain of the same - A two-point phase modulator and a method of calibrating conversion gain of the same are provided. The two-point phase modulator locks an output frequency signal by charging and pumping charge in a phase-locked loop (PLL) circuit at the beginning of operation, opens a loop of the PLL circuit for a period of time, and applies a step signal, thus calibrating conversion gain of a modulation signal that controls the output frequency signal. Thus, the conversion gain may be accurately calibrated by the calibration operation at one time. | 2010-03-18 |
20100066460 | WAVEGUIDE CIRCULATOR - A waveguide circulator comprising at least three waveguide arms intersecting at a junction, at least one ferrite element positioned within the junction, an impedance transformer and a recessed transformer. At least a portion of each of the at least three waveguide arms and the junction define a first wall and a second wall that are positioned in an opposing relationship. The impedance transformer is positioned in proximity to the at least one ferrite element and projects from the first wall. The recessed transformer is positioned in proximity to the impedance transformer and is recessed within the first wall. | 2010-03-18 |
20100066461 | DUPLEXER AND ELASTIC WAVE DEVICE - In a duplexer, a transmission elastic wave filter and a reception elastic wave filter are mounted on a laminated substrate, a coil connected between an antenna terminal and a ground potential is provided on the laminated substrate, the reception elastic wave filter has first and second ground pads connected to ground potentials of IDTs connected to first and second balanced terminals, the distance between the second ground pad and the coil is greater than the distance between the first ground pad and the coil, and an inductance component in a conductive path E connecting the second ground pad to the second ground terminal is less than an inductance component in a conductive path D connecting the first ground pad to the first ground terminal, so as to improve isolation characteristics between first and second balanced terminals of a reception filter chip. | 2010-03-18 |
20100066462 | ACOUSTIC WAVE FILTER DEVICE - An acoustic wave filter device having a greatly reduced size includes a balance-unbalance conversion function and an input/output impedance ratio of about 1. The acoustic wave filter device includes a second IDT of a first acoustic wave filter portion that is connected to an unbalanced terminal. The second IDT includes first and second divided IDT portions which are divided in an overlap width direction and connected in series with each other between the unbalanced terminal and a ground potential. A fifth IDT of a second acoustic wave filter portion connected to the first acoustic wave filter portion includes first and second divided IDT portions which are divided in an acoustic wave propagating direction. The first and second divided IDT portions of the fifth IDT are connected to first and second balanced terminals, respectively. | 2010-03-18 |
20100066463 | Antenna Feed Device - An antenna feed device ( | 2010-03-18 |
20100066464 | DELAY ELEMENT AND A CORRESPONDING METHOD - A differential delay element for use, e.g., in selectively delaying RF signals in telecommunication systems includes a first microstrip circuit and a second microstrip circuit arranged side-by-side in a facing relationship. The first microstrip circuit defines a first delayed travel path for a first signal from a first input port to a first output port and the second microstrip circuit defines a second delayed travel path for a second signal from a second input port to a second output port. A perturber is arranged between the first and second microstrip circuits, displaceable toward and away from the first and second microstrip circuits, so that when the distance of the perturber to one of the microstrip circuits increases, the distance of the perturber to the other of the microstrip circuits decreases and viceversa. The position of the perturber between the first and second microstrip circuits defines the differential delay, namely the difference (Δτ=τ1−τ2) between the times (τ1,τ2) experienced by the two signals in travelling their travel paths through the delay device. | 2010-03-18 |
20100066465 | DOWN CONVERSION FILTER - A down conversion filter with a plurality of sampling capacitor, wherein at least one sampling capacitor is discharged in sampling phases or charge-summing phases of the other sampling capacitors. | 2010-03-18 |
20100066466 | RF monoblock filter assembly with lid filter - An RF filter assembly comprising a monoblock of dielectric material defining a first RF filter and a lid of dielectric material defining a second RF filter. In one embodiment, the monoblock defines a peripheral wall of dielectric material extending upwardly from a top surface thereof and first and second posts of dielectric material also extending upwardly from the top surface of the monoblock including regions of metallization thereon defining respective conductive input/output pads. The lid is seated against the top of the wall of the monoblock in a relationship spaced from the top surface of the monoblock and defines at least one region of metallization on one of the surfaces thereof defining a filter and a conductive input/output pad in coupling relationship with the input/output pad defined on one of the first and second posts on the monoblock. | 2010-03-18 |
20100066467 | Lithographically Defined Multi-Standard Multi-Frequency High-Q Tunable Micromechanical Resonators - Disclosed are micromechanical resonator apparatus having features that permit multiple resonators on the same substrate to operate at different operating frequencies. Exemplary micromechanical resonator apparatus includes a support substrate and suspended micromechanical resonator apparatus having a resonance frequency. In one embodiment, the suspended micromechanical resonator apparatus comprises a device substrate that is suspended from and attached to the support substrate, a piezoelectric layer formed on the suspended device substrate, and a plurality of interdigitated upper electrodes formed on the piezoelectric layer. In another embodiment, the suspended micromechanical resonator apparatus comprises a device substrate that is suspended from and attached to the support substrate, a lower electrode formed on the suspended device substrate, a piezoelectric layer formed on the lower electrode, and a plurality of interdigitated upper electrodes formed on the piezoelectric layer. The substrate may comprise a silicon substrate, or a semiconductor-on-insulator substrate, such as a diamond on silicon substrate. Additionally, lateral frequency-adjusting electrodes may be disposed adjacent to the resonator apparatus that are separated therefrom by a capacitive gap, and which are configured to receive a direct current voltage that adjusts the resonance frequency of the resonator apparatus. | 2010-03-18 |
20100066468 | ELECTROMAGNETIC RELAY - An electromagnetic relay includes a coil, an armature that is electromagnetically attracted by the coil when current flows through the coil, two fixed contacts, a movable spring disposed to be movable to the fixed contacts, a conductive plate that is connected to the movable spring and including two movable contacts. The movable contacts are brought in contact with the fixed contacts respectively via the movable spring by the armature attracted by the coil. When the fixed contacts and the movable contacts are in contact, the fixed contacts are electrically connected to each other via the conductive plate. The movable spring is made of an insulating material. | 2010-03-18 |
20100066469 | DOMESTIC APPLIANCE FOR TREATING LAUNDERED ARTICLES, IN PARTICULAR TUMBLE DRYER - A domestic appliance for treating laundered articles including a container for receiving laundered articles, which can be introduced into the container via a loading opening that can be closed by a door, and a door contact switch that is actuated as a function of a door position in order to interrupt a treatment process of the laundered articles, wherein the door contact switch is arranged on a substrate, which supports electronic control devices of the domestic appliance. | 2010-03-18 |
20100066470 | CIRCUIT INTERRUPTER TRIP APPARATUS AND METHOD - A circuit interrupter trip apparatus operably connected to an operating mechanism of a circuit interrupter includes a sensor and a switch operably connected and responsive to the sensor. The switch is positioned such that the sensor changes the operating state of the switch in response to detection of a predetermined electrical condition, such as an electrical fault. A controller is operably connected to the switch and is configured to activate the operating mechanism in response to a change in the operating state of the switch. | 2010-03-18 |
20100066471 | Electromagnetic relay - An electromagnetic relay includes a housing having an accommodating space therein, a magnet coil in the accommodating space to generate electromagnetic force when energized, a moving contact disposed in the accommodating space and driven by the coil, a fixed contact in the accommodating space, the moving contact engaged with or disengaged from the fixed contact as a result of whether the moving contact is driven or not, a breathing hole formed in the housing to communicate between the accommodating space and an exterior space of the housing, and a flame propagation route along which a flame of flammable gas ignited by arc generated between the moving contact and the fixed contact propagates toward the breathing hole. The route includes a flame extinguishment clearance that is set to have such a gap size that the flame is extinguished when passing through the clearance. | 2010-03-18 |
20100066472 | OPTIMISED SOLENOID WINDING - The inductive micro-device comprises a rectilinear solenoid winding comprising a plurality of disjointed rectangular turns each having predetermined dimensions. At least one of the dimensions of the turns is variable and is determined individually for each turn according to the position of the turn along the winding and to predetermined magnetic characteristics of the winding, in particular a homogeneous magnetic field and/or an optimum quality factor. Said variable dimension of the turns is chosen from the width, length, thickness, height of turn and the value of the gap between two adjacent turns. | 2010-03-18 |
20100066473 | PROGRAMMABLE INDUCTOR - The present invention provides a programmable integrated inductor having a compact design, having a dual turn and a parallel programmable impedance. In particular, the impedance value of the programmable changes, like a variable, programmable, as its range may be set to an unlimited number of values. The invention, thus, provides a wider range of programmable values without compromising space, at a constant equivalent given inductor area. | 2010-03-18 |
20100066474 | CONTROL OF LEAKAGE INDUCTANCE - According to an embodiment, a transformer is provided that includes a first conductive coil wound about a first coil axis and a second conductive coil wound about a second coil axis. The second conductive coil is disposed proximate to the first conductive coil and the second coil axis is substantially parallel to the first coil axis. A closed-loop conductive winding is disposed proximate to the first conductive coil and the second conductive coil. The closed-loop conductive winding is wound about a loop axis at least one time where the loop axis is substantially parallel to the first coil axis and the second coil axis. | 2010-03-18 |
20100066475 | Housing for inductive coupler for power line communications - There is provided an inductive coupler. The inductive coupler includes (a) a housing having an aperture that extends lengthwise through the housing, a gap that extends lengthwise along a side of the housing, and a flexible region that enables the gap to be opened or closed, wherein the gap, when opened, permits the inductive coupler to be installed on a conductor by having the conductor routed through the aperture. The inductive coupler also includes (b) a magnetic core; and (c) a winding wound around a portion of the magnetic core. The magnetic core and the winding are secured to the housing such that a position of the magnetic core and a position of the winding are maintained relative to one another. The inductive coupler, when installed on the conductor, couples a signal between the conductor and the winding via the magnetic core. | 2010-03-18 |
20100066476 | Iron Core For Stationary Apparatus And Stationary Apparatus - Magnetic flux in a magnetic flux distribution inside a wound iron core for a stationary apparatus is mal-distributed toward the inner periphery side where the magnetic path of a laminated magnetic steel sheet is short with respect to the total lamination thickness and magnetic resistance is small and the inner periphery side on which magnetic flux is concentrated has a high magnetic flux density and increased iron loss, and therefore magnetic steel sheets of different magnetic characteristics are disposed at an arbitrary lamination ratio to make uniform the magnetic flux distribution inside the same wound iron core. In order to make uniform the magnetic flux distribution inside the wound iron core for a stationary apparatus, such a structure is adopted that a magnetic steel sheet having a magnetic characteristic inferior to that on the outer periphery side is disposed on the inner periphery side having a shorter magnetic path and smaller magnetic resistance and a magnetic steel sheet having a magnetic characteristic superior to that on the inner periphery side is disposed on the outer periphery side having a longer magnetic path and greater magnetic resistance to thereby make uniform the magnetic flux distribution in a sectional area of the iron core. | 2010-03-18 |
20100066477 | FUSIBLE SUBSTRATE - A fuse element includes a substrate disposed between first and second terminals. The substrate includes an electrically insulative material. A conductive film is disposed on a first surface of the substrate and in electrical contact with the first terminal and second terminals. | 2010-03-18 |
20100066478 | TEMPERATURE-DEPENDENT SWITCH - A temperature-dependent switch ( | 2010-03-18 |
20100066479 | MULTILAYER CHIP VARISTOR AND ELECTRONIC COMPONENT - A multilayer chip varistor is provided as one having excellent heat radiation performance. A thickness between a first principal face | 2010-03-18 |
20100066480 | COMPACT DISTRIBUTED LADDER ATTENUATOR - Simple and compact structures for an attenuator or resistor ladder can be implemented in a standard integrated circuit process as well as hybrid, thick or thin film ceramic processes, which allows metallization along with resistive components. The structure has the mathematical property that it attenuates an applied reference voltage logarithmically/exponentially along its length because of the natural solution of the Laplace equation for this type of geometry and contact configuration. | 2010-03-18 |
20100066481 | PTC thermistor - A PTC thermistor includes two electric conducting plates connected with different electrodes and an intermediate insulating plate clamped between the two electric conducting plates. The intermediate insulating plate has its surface bored with openings at locations respectively corresponding with those of each PTC thermal resistance member for the PTC thermal resistance member to be engaged therein. The intermediate insulating plate can surely separate and insulate the two different-electrode electric conducting plates and stably fix the PTC thermal resistance members in position. | 2010-03-18 |
20100066482 | ELECTRONIC COMPONENT WITH LEAD WIRE - In an electronic component, first and second lead wires include coated portions and first and second metal wire exposed portions. The coated portions include metal wires that are coated with insulating members. Each of the first and second metal wire exposed portions have a flat shape. The first lead wire and the second lead wire are arranged parallel or substantially parallel to each other. The second lead wire is shorter than the first lead wire. The first metal wire exposed portion is soldered to the side surface folded portion of the terminal electrode. The second metal wire exposed portion is soldered to the side surface folded portion of the terminal electrode. The first and second metal wire exposed portions are located substantially in the same plane. A solder fillet is provided not only on the side surface folded portions, but also on end surface portions and in a gap. | 2010-03-18 |
20100066483 | RF TERMINATING RESISTOR OF FLANGED CONSTRUCTION - An RF terminating resistor with a flange body, a planar layer structure, an upper face of a substrate, a resistance layer, an input conductor track, and an earth connection conductor track. The input conductor track electrically connected to opposite ends of the resistance layer. The substrate having a contact face, facing away from the layer structure. The flange body being bent around in a direction parallel to a first edge facing the earth conductor track, and a predetermined section bent around in a direction at right angles to this edge. The bent-around section extending in a space between a first plane, defined by the contact face, and a second plane, defined by the upper face, with the substrate abutting on the bent-around section connecting the contact face to the upper face and facing the earth connection conductor track on the upper face. | 2010-03-18 |
20100066484 | REMOTE MONITOR/CONTROL FOR BILLBOARD LIGHTING OR STANDBY POWER SYSTEM - A lighting monitor/control system for remote billboards uses a cellular network to provide utility power and light status information to a central controller, which in response provides control signals to individual remote billboard lighting controllers for setting operating parameters such as multiple on/off times, lighting power adjustments for individual billboards, and custom lighting schedules based upon geographic and environmental considerations. Battery back-up is provided in the event of utility power outage with automatic reversion to utility power when restored. Immediate notification of failure of utility power or of individual lamp or ballast failure is provided by SMS messaging formatted so as to minimize the number of messages and reduce communications costs. The monitor/control system is also adapted for use in remote power monitoring applications to automatically switch to standby power (generator) in the absence of primary power and to return to primary power when restored. | 2010-03-18 |
20100066485 | REMOTE CONTROL OF MOBILE PHONE CAMERA - In a portrait mode of operation in a mobile communications device a phone camera can be automatically triggered to photograph an image in response to a sensed sound signal,. The portrait mode may be initially activated by the user by depressing a key on the phone keypad and/or a dedicated camera function button. A sound trigger signal can be detected from an input of the phone microphone. An indicator, such as a light emitting diode (LED) can be energized in the portrait mode and viewable from the position of image object. Thus the user can confirm that the portrait mode is operational. | 2010-03-18 |
20100066486 | Method and system for setting security of a portable terminal - The present invention relates to a method and system for setting security of a portable terminal by utilizing an RFID (Radio Frequency Identification) function of a USIM (Universal Subscriber Identity Module) card used in Third Generation portable terminals. For this, USIM card information is registered in an access control server, and the USIM card information of the portable terminal is sensed through a RFID reader installed at a point of entry of a secure area, and the security setting of the portable terminal is automatically performed according to the registration of USIM card information in the access control server. | 2010-03-18 |
20100066487 | SYSTEM AND METHOD FOR AUTOMATIC KEY RECOGNITION - A system and method are disclosed for using a single key to authenticate a user with respect to multiple user access points and to allow a single access point to authenticate multiple keys having different physical characteristics. The system may comprise an access control system that includes an insertion receptacle for receiving a physical key, and a translation device for observing the physical characteristics of the key and translating those characteristics into electrical signals. In a learning mode, the electrical signals are transmitted to a processor and stored in memory. In a verification mode, the electrical signals are transmitted to the processor and compared with the previously-stored signals. If the processor concludes that the signals match the signals stored in memory, then the processor instructs a lock actuation mechanism to actuate an access control device to allow the user access to a location. The translation device may comprise a laser light reader, a piezoelectric crystal, a variable resistor, an electromagnet, or an image acquisition device. A method of using the system is also disclosed. | 2010-03-18 |
20100066488 | SYSTEM AND METHOD FOR VALIDATED GUEST REVIEWS - The present invention relates to a validation system and method which enables a guest review website to prevent people from posting reviews of hotels without having an invitation with a unique identifier generated by an independent service provider. | 2010-03-18 |
20100066489 | SECURITY-ENABLED DIGITAL MEDIA AND AUTHENTICATION METHODS THEREOF - Embodiments of methods, devices and/or systems for security-enabled digital media and authentication methods thereof are described. | 2010-03-18 |
20100066490 | Apparatus and Method for Rejecting Jammed Coins - A coin separator and rejector apparatus that will electronically release and return jammed coins, tokens, slugs and the like is disclosed. A coin separator and rejector body is described having one or more downwardly inclined coin races formed therein. The rejector body has an upstream portion and a downstream portion. The coin races further comprise a first wall and a second wall wherein at least a portion of one of the race walls is pivotally connected with the rejector body. A first sensor is located in the upstream portion of the rejector body and a second sensor located in said downstream portion of said rejector body. An actuator is in mechanical connection with the pivotal portion of the race wall. A processor is in electrical communication with the sensors and with said actuator. A coin in an upstream portion of a coin separator and rejector is detected by the first sensor and sends a signal to the processor. The processor is programmed to wait a predetermined period of time to receive a signal from the second sensor indicating that the coin has progressed in the coin race to the second sensor. If the processor receives no signal from the second sensor after a predetermined time period has passed, the processor sends a signal to the actuator to open the pivotally connected portion of the separator and rejector to allow the jammed coin to be released from the separator and rejector. | 2010-03-18 |
20100066491 | Lock Interaction with Software to Facilitate Access to Cash Handling Device Functionality - Methods and devices provide for lock interaction with software in order to facilitate access to a vault in a cash handling device and display of a transportation utility interface. A user may access an electromechanical lock on a cash handling device. The lock may determine whether the user is authorized. If unlocked, access may be provided to a transportation utility interface and to a vault that may contain currency in order to facilitate removal and transportation of the currency. If desired, stackers in the cash handling device may automatically transfer the currency to a container in the vault after the lock is unlocked. The vault may be subsequently closed, access to the transportation utility interface may be disabled, and the lock may be re-locked. | 2010-03-18 |
20100066492 | VEHICLE REMOTE CONTROL SYSTEM - A remote control system for use with vehicles and other devices having remotely controllable features. The system may include a fob or other similar type of device to support wireless signal communications used to facilitate the remote control. The system may further include a portable device to support display dependent controls or other controls unsuited to the fob. The fob may support wireless communications between the portable device and the controlled device. | 2010-03-18 |
20100066493 | BIOMETRIC PROCESSING USING RANDOM PROJECTION TRANSFORMS - To provide cancelable biometrics, random projection transforms are used to produce transformed biometric data that may be used for authentication purposes. Each random projection transform provides a one-way or irreversible transformation such that the resulting transformed biometric data alone cannot be used to reconstruct the biometric data. Enrollment and backup transforms are produced based on enrollment biometric data. Authentication is possible by similarly transforming authentication biometric and then securely reconstructing the enrollment and authentication biometric data for comparison. In a similar manner, the enrollment and backup transforms may be used to reenroll biometric data when its corresponding transformed biometric data is compromised without requiring further user intervention. | 2010-03-18 |
20100066494 | Test Authorization System - A method of identifying a test-taker is disclosed. The method includes the step of sampling a biometric characteristic of the test-taker, and may include the step of sampling a second biometric characteristic of the test-taker. The method may include the step of identifying the test administrator by sampling a biometric characteristic of the test administrator. A method of authorizing the administration of a test is also disclosed. | 2010-03-18 |
20100066495 | Delayed offset multi-track OFC sensors and tags - Apparatus, systems, devices and methods for providing an orthogonal frequency coding technique for surface acoustic wave sensors incorporating the use of multiple parallel acoustic tracks to provide increased coding by phase shifting and delaying a code sequence. The surface acoustic wave sensor includes parallel tracks with multiple reflectors with differing delay offsets to form a complex code sequence. The reflectors may be uniform, but alternatively could include fingers withdrawn, have reflector position modulation, differing frequencies or be spatially weighted. | 2010-03-18 |
20100066496 | ACOUSTIC WAVE AND RADIO FREQUENCY IDENTIFICATION DEVICE AND METHOD - An identification method and identification device are presented employing radio frequency and acoustic wave communication modes. The identification method includes: receiving at an acoustic wave and radio frequency identification device an acoustic wave signal of a first frequency and a radio frequency signal of a second frequency, where the acoustic wave signal and the radio frequency signal are received from an acoustic wave and radio frequency identification reader, and the first frequency and the second frequency are different frequencies; and responding to the receiving by transmitting at least one of an acoustic wave identification (AWID) or a radio frequency identification (RFID) from the acoustic wave and radio frequency identification device. | 2010-03-18 |
20100066497 | TRACKING SYSTEM | 2010-03-18 |
20100066498 | AUTOMATED SERVICE AND SUPPORT NOTICES USING ELECTRONIC SHOPPING LISTS - A method and system of updating an electronic shopping list (ESL) indicating items that may be purchased in response to detecting, by a wireless device having access to the ESL, a service request event corresponding to an asset. Upon detection of the service request event, a service request item may be inserted into the ESL. The asset may be queried from time to time to verify operation of the asset. The items listed in the ESL may be ordered according to a date the service request event was detected. | 2010-03-18 |
20100066499 | INFORMATION PROVIDING SYSTEM AND INFORMATION PROVIDING METHOD - An information providing system includes a portable terminal, and a server that provides the portable terminal with information of an arrival time of the portable terminal at a destination. The portable terminal comprises an RFID tag to which identification information of the destination and identification information of a departure place are written; and a communication unit that transmits the destination identification information, the departure place identification information, and information of a departure time which is a current time to the server when triggered by the departure place identification information written in the RFID tag. The server comprises an arrival time deriving unit that derives the arrival time at the destination using the departure place identification information, the destination identification information, and the departure time information transmitted from the portable terminal; and a communication unit that transmits the information of the arrival time at the destination to the portable terminal. | 2010-03-18 |
20100066500 | SELECTION OF AN IMD BY MEANS OF DIRECTIONAL ANTENNA - In a method and a system for initiating communication with an implantable medical device to conduct a wireless communication session between the implantable medical device and an external programmer device. A directional antenna is employed for initiating communication between a programmer device and an implantable medical device (IMD). The IMD is targeted by the programmer device by having an operator of the programmer device orient the directional antenna toward the IMD and transmitting a communication-initiating signal from the programmer to the IMD via the directional antenna. The directional antenna has a directional characteristic and communication range. the IMD responds to the communication-initiating signal by sending identification information to the programmer. the programmer may then use this identification to establish a communication session with the IMD targeted by the directional antenna. | 2010-03-18 |
20100066501 | METHOD AND SYSTEM FOR MONITORING A CONTAINER - There is provided a method for monitoring a container for holding at least one object. An exemplary method comprises acquiring measured data about an object with a sensor and transmitting the measured data to a transponder, the transponder being separated from the sensor by an interlayer that absorbs or reflects electromagnetic radiation. The exemplary method also comprises transmitting status information from the transponder to a reading unit as a function of the measured data. The exemplary method additionally comprises supplying energy to the transponder from the reading unit, and relaying the energy from the transponder to the sensor. | 2010-03-18 |
20100066502 | Method for Incorporating an Anti-Counterfeiting Device into a Multi-Walled Container and the Multi-Walled Container Containing Such Device - A method of incorporating an anti-counterfeiting device into a multi-walled container is provided. The multi-walled container includes an inner wall having an outer surface, an outer wall adjacent to the inner wall, and an anti-counterfeiting device sandwiched between the inner and outer walls. The method includes forming the inner wall from a polymeric composition, adhering the anti-counterfeiting device to the outer surface of the inner wall either during, or after formation of the inner wall, and then over molding the outer wall about the inner wall to form the multi-walled container. Suitable anti-counterfeiting devices for incorporation into the multi-walled container include RFID, printed or foil antennae, conductive inks, metal spheres, and x-ray readable foils. | 2010-03-18 |
20100066503 | METHOD FOR MEASURING LOCATION OF RADIO FREQUENCY IDENTIFICATION READER BY USING BEACON - The present invention relates to a method for measuring a location of a radio frequency identification (RFID) reader by using beacons, and an RFID system for measuring a location of a moving RFID reader in an RFID system comprising: a plurality of beacon devices for emitting beacons; an RFID tag for transmitting pre-stored information by using radio frequency identification; and an RFID reader for calculating a current location using a plurality of at least three beacons wherein the RFID reader receives the plurality of beacons from the plurality of beacon devices while moving, and receiving the information from the RFID tag by using the radio frequency identification. According to the present invention, it is possible to increase the accuracy of the location measurement of a moving RFID reader in an RFID system because the location of the RFID reader is measured in consideration of propagation environments. | 2010-03-18 |
20100066504 | RADIO IC TAG READER, ITS CONTROLLER, AND RADIO IC TAG READING SYSTEM - A radio IC tag reader comprises: a first variable frequency oscillation section for generating a signal having a frequency meeting a unit radio channel used for transmission/reception to/from a radio IC tag; transmission and reception sections for executing transmission/reception to/from the radio IC tag by using the signal; a second variable frequency oscillation section for changeably generating a signal of a frequency meeting a unit radio channel for measuring the strength of a received electric wave; a carrier sense executing section for measuring strength of a received electric wave in each of the unit radio channels by using the signal; and a main control section for controlling the first variable frequency oscillation section so as to generate a carrier signal having a frequency meeting the next unit radio channel used by the transmission and reception sections based on a result of measurement by the carrier sense executing section, upon passage of a continuous transmittable time after start of transmission/reception. | 2010-03-18 |
20100066505 | INFORMATION ACCESS SYSTEM, CONTACTLESS READER AND WRITER DEVICE, AND CONTACTLESS INFORMATION STORAGE DEVICE - In a reader and writer device, a sleep period setter determines an identification in a received response, and a length of a sleep period depending on a number of received identifications, a first transmitter transmits either an information request or an information and sleep request carrying the sleep length and the received identification, and a first receiver receives a response carrying an identification. In each of information storage devices, a second receiver senses a carrier, and receives the information request or the information and sleep request in response to carrier detection, and a second transmitter, in response to the information request or the information and sleep request carrying no identification of that device, transmits a response carrying the identification of that device, and, in response to the information and sleep request carrying the identification of that device, is in an inactive state during the sleep time period. | 2010-03-18 |