39th week of 2009 patent applcation highlights part 18 |
Patent application number | Title | Published |
20090237122 | Line Driver Method and Apparatus - According to one embodiment, a line driver circuit comprises a plurality of output stages each operable to produce an output signal and one or more pre-output stages operable to perform one or more common functions. The line driver circuit also comprises circuitry operable to selectively couple one or more of the output stages to the one or more pre-output stages based on a wireline communication technology implemented by the line driver circuit. | 2009-09-24 |
20090237123 | Semiconductor device, display panel and electronic equipment - The present invention provides a semiconductor device having a buffer circuit formed on an insulating substrate using single-channel type thin film transistors, wherein the buffer circuit has an output stage which including first and second thin film transistors connected in series between first and second power sources, and the output terminal potential of the output stage is switched to the potential of the first or second power source in a complementary manner by the input timings of a set signal adapted to control the first thin film transistor and a reset signal adapted to control the second thin film transistor. | 2009-09-24 |
20090237124 | Input circuit and semiconductor integrated circuit including the same - An input circuit, includes a first buffer circuit having an output signal terminal connected to an output; a capacitor having one end connected to an input signal terminal, and the other end connected to an input of the first buffer circuit; a first differential amplification circuit receiving a voltage of a first external power source terminal and an output of a second buffer circuit; a second differential amplification circuit receiving a voltage of a second external power source terminal and an output of a third buffer circuit; a first resistance having one end connected to an output of the first differential amplification circuit, and the other end connected between the capacitor and the first buffer circuit; and a second resistance having one end connected to an output of the second differential amplification circuit, and the other end connected between the capacitor and the first buffer circuit. | 2009-09-24 |
20090237125 | POWER EFFICIENT PUSH-PULL BUFFER CIRCUIT, SYSTEM, AND METHOD FOR HIGH FREQUENCY SIGNALS - A buffer circuit includes a biasing circuit operable to generate first and second biasing signals. A capacitive network includes an input adapted to receive an input signal and the capacitive network is operable responsive to the input signal to generate first and second bootstrapped signals. A push-pull stage includes first and second control inputs and an output. The push-pull stage is coupled to the biasing circuit to receive the first and second biasing signals on the first and second control inputs, respectively, and is coupled to the capacitive network to receive the first and second bootstrapped signals on the first and second control inputs, respectively. The push-pull stage is operable to generate a buffered output signal on the output responsive to the first and second bootstrapped signals. | 2009-09-24 |
20090237126 | GATE DRIVER FOR SWITCHING POWER MOSFET - A gate driver for switching power MOSFET including a MOS pair, a first conduction path, and a second conduction path is disclosed. The MOS pair electrically coupling gate of the power MOSFET, for controlling turning on or turning off the power MOSFET. The first conduction path electrically couples to gate of the power MOSFET and the MOS pair, and has a constant resistance. The second conduction path electrically coupling to gate of the power MOSFET and the MOS pair, having variable resistance corresponding to gate voltage of the power MOSFET. | 2009-09-24 |
20090237127 | OPTICAL-SWITCH DRIVE CIRCUIT AND METHOD THEREOF - An optical-switch drive circuit including a driver unit that generates, in response to a control signal, an on/off signal for driving a semiconductor optical amplifier gate switch, and a buffer unit having a high input impedance and connected between an output terminal outputting the on/off signal and the semiconductor optical amplifier gate switch. In the optical-switch drive circuit the buffer unit may include a high-resistance voltage divider that is connected with the output terminal, and an operational amplifier that buffers, and provides to the semiconductor optical amplifier gate switch, a divided voltage of the voltage divider. | 2009-09-24 |
20090237128 | High frequency fractional-N divider - A divider can include a phase selection circuit that switches between a plurality of phase-separated clock signals in response to a fractional control signal to form a selected clock signal, the selected clock signal being utilized to generate a second clock signal; and a counter that receives the second clock signal and generates the fractional control signal and a transition control signal, the transition control signal indicating when the second clock signal should switch states in response to a transition of the selected clock signal, the counter generating a feed-back clock signal. | 2009-09-24 |
20090237129 | SEMICONDUCTOR DEVICE AND DATA PROCESSOR - Synchronization between command and address signals commonly coupled to a plurality of memory devices to be operated in parallel and a clock signal coupled to the memory devices is achieved, while suppressing an increase in the clock wiring length. A semiconductor device has a data processing device mounted on a wiring substrate and a plurality of memory devices accessed in parallel by the data processing device. The data processing device outputs the command and address signals as a first frequency from command and address terminals, and outputs a clock signal as a second frequency from a clock terminal. The second frequency is set to multiple times of the first frequency, and an output timing equal to or earlier than a cycle starting phase of the clock signal output from the clock terminal can be selected to the command and address signals output from the command and address terminals. | 2009-09-24 |
20090237130 | Dual power-up signal generator - A dual power-up signal generator includes a power-up signal generator which generates a first power-up signal by using a first voltage signal obtained by detecting a level of a power supply voltage, and generates a second power-up signal by using a second voltage signal obtained by detecting the level of the power supply voltage. | 2009-09-24 |
20090237131 | Phase locked loop - A disclosed exemplary embodiment is a phase locked loop comprising a main charge pump driven by a phase error signal, and providing a first input to a loop filter. An auxiliary charge pump driven by the phase error signal feeds a second input of the loop filter. The loop filter can be an active loop filter comprising an operational amplifier and a feedback RC network. The first input of the active loop filter can be an inverting input of the operational amplifier and the second input can be a non-inverting input of the operational amplifier. An on-chip stabilizing capacitor fed by the auxiliary charge pump and coupled to the second input of the loop filter is significantly smaller than the conventional stabilizing capacitors. The loop filter outputs a regulating voltage for regulating the oscillation frequency of a voltage controlled oscillator in the phase locked loop. | 2009-09-24 |
20090237132 | Phase-locked loop - A method of calibrating a PLL that includes forcing a control voltage input to a voltage controlled oscillator to be a reference voltage and setting a calibration divider coupled to receive an output clock signal from the voltage controlled oscillator such that the calibration divider utilizes one of a plurality of divisors that results in the output clock signal having a high frequency can substantially avoid overshoot and glitch problems associated with conventional PLL calibrations. | 2009-09-24 |
20090237133 | SWITCHING CONTROL CIRCUIT FOR MULTI-CHANNELS AND MULTI-PHASES POWER CONVERTER OPERATED AT CONTINUOUS CURRENT MODE - A switching control circuit for multi-channels and multi-phases power converter according to the present invention comprises a master control circuit and a slave control circuit. The master control circuit generates a multiplier signal in response to an input voltage and an output voltage of the power converter, and generates a first switching signal to switch a first inductor of the power converter in accordance with the multiplier signal and the first-current signal generated by a first current-sense device. The slave control circuit generates a second switching signal to switch a second inductor of the power converter in accordance with the multiplier signal, the first switching signal and a second-current signal generated by a second current-sense device. Once the power converter is at light-load, the multiplier signal is disabled to turn off the second switching signal to turn off the slave control circuit for power saving of the power converter. | 2009-09-24 |
20090237134 | MINIMIZING CLOCK UNCERTAINTY ON CLOCK DISTRIBUTION NETWORKS USING A MULTI-LEVEL DE-SKEWING TECHNIQUE - Disclosed is a method of minimizing clock uncertainty using a multi-level de-skewing technique. The method includes the steps of obtaining a chip wherein at least a portion of the chip has a regular array of buffers on multiple levels, the buffers being driven by first drivers and the first drivers being driven by second drivers; grouping the buffers in a first direction to create clusters with the same number of buffer inputs, wherein if there are not the same number of buffer inputs in each cluster, then adding dummy buffers to the cluster with a deficient number of buffer inputs; wiring outputs of the first drivers together in a second direction, wherein the first and second directions are orthogonal; and wiring outputs of the second together in the second direction. | 2009-09-24 |
20090237135 | SCHMITT TRIGGER HAVING VARIABLE HYSTERESIS AND METHOD THEREFOR - A Schmitt trigger has a first inverter, a second inverter, a bias means, and a transistor. The inverter has an input and an output. The second inverter has an input coupled to the output of the first inverter and has an output. The bias means provides a first bias voltage on a first output terminal. A magnitude of the bias voltage is selectable by a first input signal. The transistor has a first current electrode coupled to a first power supply terminal, a control electrode coupled to the output of the second inverter, a second current electrode coupled to the output of the first inverter, and a body coupled to the first output terminal. Selectability of the magnitude of the bias voltage provides selectability of the hysteresis of the Schmitt trigger. | 2009-09-24 |
20090237136 | Pulse-Based Flip-Flop Having Scan Input Signal - A flip-flop for transmitting a scan input and data for scan-testing a semiconductor circuit is provided. The flip-flop includes a first pulse signal generator which generates a first pulse signal in response to a scan enable signal and an inversed scan input signal. A second pulse signal generator generates a second pulse signal in response to the scan enable signal and a scan input signal. A signal transmitter receives a data signal and transmits the data signal to a first node in response to either one of the first and second pulse signals. A signal latch unit receives the data signal transmitted to the first node, and latches and outputs the data signal in response to another one of the first and second pulse signals. | 2009-09-24 |
20090237137 | Flip-Flop Capable of Operating at High-Speed - A flip-flop is provided for minimizing an input-output (D-Q) delay. The flip-flop includes a pull-up unit that receives a signal from a first node, is connected between a power voltage source and a second node, and pulls-up a voltage of the second node. A pull-down unit receives the signal from the first node, is connected between a ground voltage source and the second node, and pulls-down the voltage of the second node. A latch unit is connected to the second node and latches and outputs a signal transferred to the second node. The pull-up unit pulls-up the second node in response to one of a clock signal and a pulse signal, and the pull-down unit pulls-down the second node in response to the other one of the clock signal and the pulse signal. | 2009-09-24 |
20090237138 | PATTERN-DEPENDENT PHASE DETECTOR FOR CLOCK RECOVERY - A phase detector apparatus and method used for clock recovery from a data signal is provided. The phase detector provides phase correction signals to a clock signal generator, where the phase correction signals are only generated if a predetermined data sample pattern is observed. In particular, the predetermined data sample pattern is preferably a transition from one to zero. Thus, transitions from zero to one will not provide a valid phase update output signal, even though a transition has occurred. In other embodiments the predetermined data sample pattern is preferably a one to zero transition preceded by an additional logic one sample. | 2009-09-24 |
20090237139 | Level shifter with reduced current consumption - A level shifter includes a level shifting unit for level-shifting an input signal at a first voltage level into a signal at a second voltage level, and an output controller for controlling the level shifting unit to maintain output at a predetermined logic level in response to a deep power down mode signal generated from power which is not turned off in a deep power down mode. | 2009-09-24 |
20090237140 | Voltage Adder Using Current Source - A voltage adder includes a first amplifier, a feedback resistor, and a control current source. The first amplifier includes a first input terminal to which a first voltage is input, a second input terminal connected to a feedback node, and an output terminal connected to an output node. The feedback resistor is connected between the output node and the feedback node. The control current source allows an addition current corresponding to a second voltage to flow through the feedback resistor. | 2009-09-24 |
20090237141 | Timing Control Apparatus - The present invention discloses a timing control apparatus to control the on/off timing of the voltage sources. The timing control apparatus includes a plurality of delay circuits coupling with the voltage sources, a plurality of discharging circuits coupling with the delay circuits and a plurality of switches coupling with the discharge circuits. | 2009-09-24 |
20090237142 | CHARGE CONTROL CIRCUIT AND CHARGE CONTROLLING SEMICONDUCTOR INTEGRATED CIRCUIT - A charge control circuit equipped with a function of controlling a charging current to be supplied to a secondary battery, comprises: a detecting unit for monitoring a temperature; and a charge control unit for controlling so as to break the charging current when the monitored temperature rises to a temperature equal to or more than a predetermined set temperature, decrease the charging current as the monitored temperature becomes higher when the monitored temperature is in a predetermined temperature range lower than the set temperature, flow the charging current having a predetermined current value in a state where the monitored temperature is lower than a lower limit temperature of the temperature range, or flow the charging current having a current value smaller than the current value when the monitored temperature is within a range of from an upper limit temperature of the temperature range to the set temperature. | 2009-09-24 |
20090237143 | CAPACITANCE MULTIPLIER CIRCUIT - A capacitance multiplier circuit is configured to sense a current through a capacitor in an RC filter of the circuit and to multiply the current so as to achieve a capacitance multiplier effect without adding additional circuitry or requiring additional power. The circuit includes an RC filter, a first signal path connected to a filter output, and a second signal path connected to an input to the filter. A current output through the filter (i | 2009-09-24 |
20090237144 | CHIP FOR NON-CONTACT READER/WRITER HAVING POWER-SUPPLY MANAGMENT FUNCTION - A semiconductor integrated-circuit device rectifies a received carrier wave, generates a first power-supply voltage based on the rectified output, and selects, as a power-supply voltage required for operation, one of the first power-supply voltage and a supplied second power-supply voltage. The first power-supply voltage is selected as the power-supply voltage required for operation when the second power-supply voltage is lower than a threshold value. The second power-supply voltage is selected as the power-supply voltage required for operation when the second power-supply voltage is equal to or higher than the threshold value and an instruction to operate in accordance with a predetermined function is given. | 2009-09-24 |
20090237145 | Semiconductor device - A semiconductor device includes an interface circuit that varies drive ability according to a control signal, and a control circuit that generates the control signal according to a range of an output voltage of the interface circuit. The interface circuit and the control circuit are provided on one chip. | 2009-09-24 |
20090237146 | Dynamic Voltage Pump Circuit and Method of Dynamically Generating an Output Supply Voltage Thereof - A dynamic voltage pump circuit includes a first stage voltage pump, a second stage voltage pump, a limiter, and a comparator. The first stage voltage pump generates an intermediate supply voltage according to an input supply voltage and a pump signal. The second stage voltage pump generates an output supply voltage according to the intermediate supply voltage, the pump signal, and an enable signal; the second stage voltage pump is enabled and disabled when the enable signal is asserted and de-asserted, respectively. The limiter controls the pump signal according to a comparison of the output supply voltage with a first reference voltage. The comparator compares the first reference voltage with a second reference voltage to generate the enable signal, and can assert the enable signal when the desired output supply voltage exceeds the maximum possible intermediate supply voltage generated by the first stage voltage pump. | 2009-09-24 |
20090237147 | VPP pumping circuit and VPP pumping method using the same - Disclosed are a high voltage pumping circuit and a VPP pumping method using the same. The high voltage pumping circuit includes an initializing unit for initializing a high voltage in response to a first enable signal, a first pump for pumping the high voltage in response to the first enable signal, a second pump for pumping the high voltage in response to a second enable signal and a first mode signal, and a mode signal transmitting unit for generating a second mode signal in response to the second enable signal and the first mode signal. The driving of the initializing unit and the first pump is controlled in response to the first pump and the second mode signal. | 2009-09-24 |
20090237148 | CHARGE PUMP CIRCUIT - There is provided a charge pump circuit which can prevent EMI noise of a frequency component independent of an operation clock frequency from occurring at the time of a change from a disable state to an enable state. The charge pump circuit includes a detection signal synchronization circuit which outputs a synchronization detection signal generated by synchronizing a detection signal outputted from a level detection circuit to a clock signal outputted from an oscillator circuit. The synchronization detection signal is used as a pump enable signal, and a first pump capacitance and a second pump capacitance in a pump circuit body are charged and discharged in response to the synchronization detection signal and the clock signal outputted from the oscillator circuit. | 2009-09-24 |
20090237149 | VOLTAGE GENERATING CIRCUIT - A charge pump provides high boosting efficiency with low power loss even with a heavy load. Plural charge transfer switches are connected in series forming two lines of charge transfer circuits operated by out-of-phase clock signals. Capacitors are connected to each of nodes in the charge transfer circuits. The charge transfer circuits include a first control unit, a second control unit, and a voltage comparison output unit. The second control unit includes a switch unit configured to selectively feed a signal from a previous-stage node or a later-stage node to the gate of a charge transfer switch in the second control unit, depending on the phase of the clock signal. | 2009-09-24 |
20090237150 | BANDGAP REFERENCE CIRCUIT WITH LOW OPERATING VOLTAGE - A bandgap reference circuit comprising a current mirror, an operational amplifier, first and second BJT transistors is disclosed. The current mirror comprises a first input terminal, a second input terminal and at least one output terminal. The operational amplifier is coupled to the current mirror, wherein a first transistor and a second transistor respectively coupled to the first and the second input terminals have a zero or near zero threshold voltage. The first and second BJT transistors are coupled to two input terminals of the operational amplifier respectively, wherein at least one of the first and second BJT transistors is coupled to the output terminal of the current mirror through a conductive path. | 2009-09-24 |
20090237151 | TEMPERATURE COMPENSATION CIRCUIT - A temperature compensation circuit performing temperature compensation of an analog reference voltage, includes: a first reference voltage generating circuit generating a first voltage of which a voltage level varies depending on a temperature; a second reference voltage generating circuit generating a second voltage of which a voltage level is independent of a temperature and having a circuit configuration that is same as a circuit configuration of the first reference voltage generating circuit; an inverting amplifier having a gain of 1, which inverts and amplifies a voltage difference between the first voltage and the second voltage so as to generate a third voltage; and a differential amplifier amplifying a voltage difference between the third voltage and the first voltage so as to generate a fourth voltage In the temperature compensation circuit, the differential amplifier includes: a first operational amplifier; a first resistor coupled between a first node and a second node that is an inverting input terminal of the first operational amplifier; a second resistor coupled between a third node and a fourth node that is a non-inverting input terminal of the first operational amplifier; a third resistor coupled between the second node and a fifth node that is an output node of the first operational amplifier; and a fourth resistor coupled between the fourth node and a sixth node to which an analog reference voltage is applied. Further, in the circuit, resistance values of the first resistor and the second resistor are set to be same as each other, and resistance values of the third resistor and the fourth resistor are set to be same as each other. | 2009-09-24 |
20090237152 | INTERNAL VOLTAGE GENERATOR - An internal voltage generator includes a pull-up driver to pull-up drive a supply terminal of an internal voltage, a pull-down driver to pull-down drive the supply terminal of the internal voltage, a pull-up driving control unit to turn on the pull-up driver when a first feedback voltage corresponding to the internal voltage becomes lower than a reference voltage, and a pull-down driving control unit to turn on the pull-down driver when a second feedback voltage becomes higher than the reference voltage, the second feedback voltage having a voltage level corresponding to that of the internal voltage and lower than that of the first feedback voltage. | 2009-09-24 |
20090237153 | HIGH ORDER CONTINUOUS TIME FILTER - There is described a continuous time filter of at least a second (or higher) order, comprising one or more first order filter stages of a first type, the or each first order filter stage of the first type comprising a reactive component and an impedance dependent on the difference between the input and output voltages of the filter stage. The filter includes at least one first order filter stage of a second type, the or each second order filter of the second type comprising a reactive component and an impedance dependent on the sum of the input and output voltages of the filter stage. The filter includes a transfer function of the continuous time filter that is obtained comprising complex poles. | 2009-09-24 |
20090237154 | SEMICONDUCTOR DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - The semiconductor device of the present invention has a circuit block in which m (m is an integer of not smaller than two) sets of first through m-th transistor columns where two or more transistors are connected in series, one terminal of the first through m-th transistor columns is connected to a first output node, and the other terminal of the first through m-th transistor columns is connected to a second output node. A control signal for substantially simultaneously turning on and off all the transistors of the first through m-th transistor columns is inputted to the control input terminals of the transistors of the first through m-th transistor columns. | 2009-09-24 |
20090237155 | GENERATING A PHASE VALUE FOR A COMPLEX SIGNAL - A method of generating a phase value representative of a phase of a complex signal that includes an in-phase component and a quadrature-phase component includes determining a first sign for a first value and a second sign for a second value based on a quadrant occupied by the complex signal. The in-phase component is multiplied by the first value with the first sign, thereby generating a first multiplication result. The quadrature-phase component is multiplied by the second value with the second sign, thereby generating a second multiplication result. The first multiplication result, the second multiplication result, and a bias value are added, thereby generating the phase value for the complex signal. | 2009-09-24 |
20090237156 | POWER AMPLIFIERS HAVING IMPROVED STARTUP LINEARIZATION AND RELATED OPERATING METHODS - Systems and methods are described for improving the startup linearization of a power amplifier. A bias network is provided to generate a bias signal during amplifier startup, and the amplifier is configured to produce an output signal in response to the input signal and the bias signal. A variable impedance is provided to couple the input signal and the output signal in parallel with the amplifier. A controller is configured to apply a weighting function to the variable impedance over at least a startup phase of the amplifier system. By applying a non-linear or other weighting function to the variable impedance during startup, the gain of the amplifier can be controlled to thereby extend a time period over which the output power of the amplifier increases in a generally linear manner toward an operating level. | 2009-09-24 |
20090237157 | POWER AMPLIFIER EDGE EVALUATION-ALTERNATIVE ENVELOPE MODULATOR - A modulator includes a power driver, a power amplifier, and a heterojunction bipolar transistor (HBT) type device. The power driver is for receiving an amplitude modulation signal and for providing a control signal. The power amplifier is for receiving a phase modulation signal, a bias voltage, and the control signal. The power amplifier is for providing a radio frequency signal as an output based on the phase modulation signal, the bias voltage, and the control signal. The switching device is for coupling the power driver to the power amplifier such that the control signal is provided to the power amplifier in a timely manner. | 2009-09-24 |
20090237158 | ELECTRONIC DEVICE HAVING A PREDISTORTION FILTER AND RELATED METHODS - An electronic device includes a nonlinear power amplifier, a predistortion coefficient calculator, and a memory polynomial predistortion filter coupled to the nonlinear power amplifier and to the predistortion coefficient calculator. The memory polynomial predistortion filter may include a plurality of finite impulse response (FIR) filter stages, and a summer coupled to the plurality of FIR filter stages. The FIR filter stages may functionally operate in parallel or may include a series of FIR filters coupled in parallel. | 2009-09-24 |
20090237159 | OUTPUT STAGE CIRCUIT - A PWM signal drives a pair of output transistors connected in series between a supply line and ground so that a push-pull current is output toward a speaker via a coil from a point connecting both output transistors. A current limiting resistor has one end connected to the supply line and between the other end and ground is provided a control transistor. Furthermore, a comparator compares the supply line voltage and a reference voltage and turns on the control transistor when the supply line voltage is higher than the reference voltage in the comparison result thereof. | 2009-09-24 |
20090237160 | Switch Mode Power Amplifier Using MIS-HEMT with Field Plate Extension - Disclosed are a switch mode power amplifier and a field effect transistor especially suitable for use in a switch mode power amplifier. The transistor is preferably a compound high electron mobility transistor (HEMT) having a source terminal and a drain terminal with a gate terminal therebetween and positioned on a dielectric material. A field plate extends from the gate terminal over at least two layers of dielectric material towards the drain. The dielectric layers preferably comprise silicon oxide and silicon nitride. A third layer of silicon oxide can be provided with the layer of silicon nitride being positioned between layers of silicon oxide. Etch selectivity is utilized in etching recesses for the gate terminal. | 2009-09-24 |
20090237161 | QUADRATURE OUTPUT LOW NOISE TRANSCONDUCTANCE AMPLIFIER HAVING DIFFERENTIAL INPUT - A device for providing low noise transconductance amplification is presented. The device includes a PMOS transconductance section configured to receive a differential RF input signal, a PMOS cascode section coupled to the PMOS transconductance section, an NMOS transconductance section configured to receive the RF differential input signal, and an NMOS cascode section coupled to the NMOS transconductance section, where the PMOS and NMOS cascode sections provide a differential quadrature output signal and a differential in-phase output signal. A method for amplifying an RF signal is also presented. The method includes receiving a differential RF input signal, converting the differential RF input signal into current signals, buffering the current signals to provide a differential quadrature output signal and a differential in-phase output signal. | 2009-09-24 |
20090237162 | LOW SKEW DIFFERENTIAL AMPLIFIER USING TAIL VOLTAGE REFERENCE AND TAIL FEEDBACK - Using the tail level referencing for an inverter stage immediately following a differential amplifier provides trip point tracking with the variations in magnitude of the output level swings on the differential amplifier stage output over the operating range of the circuit. When the tail voltage increases and the V | 2009-09-24 |
20090237163 | TRIMMING TECHNIQUE FOR HIGH VOLTAGE AMPLIFIERS USING FLOATING LOW VOLTAGE STRUCTURES - The system contains a first MOS transistor having a first source element, a first drain element, and a first gate element. A first low voltage current source has two ends. The ends of the low voltage current source are connected to at least two of the first MOS transistor elements. At least one first Zener clamp is in parallel with the low voltage current source. | 2009-09-24 |
20090237164 | LOW LEAKAGE CURRENT AMPLIFIER - A circuit includes first, second, and third inverters and first and second transistors. The first inverter has an input, an output, a first supply terminal, and a second supply terminal. The second inverter has an input, an output, a first supply terminal, and a second supply terminal. The first transistor has a first current electrode for receiving a first supply voltage, a control electrode coupled to the output of the first inverter, and a second current electrode coupled to the first supply terminals of both the first and second inverters. The second transistor has a first current electrode coupled to the second supply terminals of the first and second inverters, a control electrode coupled to the output of the first inverter, and a second current electrode for receiving a second supply voltage. The third inverter has an input coupled to the output of the second inverter, and an output coupled to the output of the first inverter. | 2009-09-24 |
20090237165 | Cross-coupled low noise amplifier for cellular applications - Cross-coupled low noise amplifier for cellular applications. A circuitry implementation that includes two pairs of metal oxide semiconductor field-effect transistors (MOSFETs) (either N-type of P-type) operates as an LNA, which can be used within any of a wide variety of communication devices. In one embodiment, this design is particularly adaptable to cellular telephone applications. A majority of the elements are integrated within the design and need not be implemented off-chip, and this can provide for a reduction in area required by the circuitry. A very high output impedance is provided by using two transistors (implemented in a triple well configuration) with resistive source degeneration. A higher than typical power supply voltage can be employed (if desired) to accommodate the voltage drops of the resistors and transistors. | 2009-09-24 |
20090237166 | HIGH FREQUENCY POWER AMPLIFIER - A high frequency power amplifier comprises: a multi-finger transistor with transistor cells electrically connected in parallel; an input side matching circuit connected to gate electrodes of the transistor cells; and resonant circuits respectively connected between the gate electrode of a transistor cell and the input side matching circuit. The resonant circuit resonates at a second harmonic of the operating frequency of the transistor or within a predetermined range of frequencies having a center at the second harmonic of the operating frequency, and becomes a high-impedance load at the second harmonic, or an open load. | 2009-09-24 |
20090237167 | Integrated Amplifier Circuit - An integrated amplifier circuit includes an input, an output, a transistor with a transistor-input terminal, the transistor-input terminal being coupled to the input, and a transistor-output terminal. The transistor-output terminal is coupled to the output by means of a DC-path. The DC-path includes a first inductive element and a parallel resonant circuit including a second inductive element and a first capacitive element. The first inductive element and the parallel resonant circuit are connected in series between the transistor-output terminal and the output. | 2009-09-24 |
20090237168 | VOLTAGE-CONTROLLED OSCILLATOR - A voltage controlled oscillator comprises first and second voltage controlled oscillator cones ( | 2009-09-24 |
20090237169 | Dual Synchro-Resonant Electrosurgical Apparatus With Bi-Directional Magnetic Coupling - An electrosurgical generator is disclosed. The electrosurgical generator includes a power supply for generating a DC voltage. The electrosurgical generator also includes a first parallel inductor-capacitor circuit being driven by a first signal at a first predetermined frequency and a second parallel inductor-capacitor circuit driven by a second signal at the first predetermined frequency phase shifted 180 degrees. The electrosurgical generator further includes a series inductor-capacitor resonant circuit operably connected in series with a primary winding of a transformer. The first and second parallel inductor-capacitor circuits are operably connected to the transformer, such that the first inductor-capacitor circuit generates a positive half sine wave and the second inductor-capacitor circuit generates a 180 degrees phase-shifted positive half sine wave to generate a full sine wave in a secondary winding of the transformer. | 2009-09-24 |
20090237170 | METHOD AND APPARATUS FOR ADVANCED FREQUENCY TUNING - A method and apparatus for tuning the operational frequency of an electrical generator coupled to a time-varying load is described. One illustrative embodiment rapidly calculates an error (reflection coefficient magnitude) at the current operational frequency of the electrical generator; adjusts the frequency of the electrical generator by an initial step size so; rapidly calculates a second error; and if the magnitude of the second error is smaller than the magnitude of the first error, then the step size is increased and the frequency is adjusted by the increased step size. | 2009-09-24 |
20090237171 | REDUCING CROSS MODULATION IN MULTICHANNEL MODULATED OPTICAL SYSTEMS WITH ANTI-CLIPPING - A modulated optical system with anti-clipping reduces or corrects clipping that might occur in the laser as a result of negative spikes or peaks in a multichannel RF signal. The system generally detects an envelope of the RF signal to generate an anti-clipping signal that follows at least a portion of the envelope and prevents one or more negative peaks from causing clipping by adjusting a bias current in response to the anti-clipping signal. The system may also reduce cross modulation by clamping the anti-clipping signal at an anti-clipping limit during lower power periods of the RF signal. | 2009-09-24 |
20090237172 | TRANSMISSION LINE SYSTEMS AND APPARATUSES - Systems having three coupled transmission lines designed in such a way that any two of which taken together can be used as a differential transmission line with a roughly equal differential mode characteristic impedance while achieving high level of common mode characteristic impedance. The high level of common mode characteristic impedance is achieved by arrangement of the three transmission lines in distinct planes along a transmission axis. | 2009-09-24 |
20090237173 | RADIOFREQUENCY OR HYPERFREQUENCY CIRCULATOR - A circulator with at least three ports (p | 2009-09-24 |
20090237174 | INTEGRATED CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC INSTRUMENT - An integrated circuit device includes a high-speed serial interface circuit that includes a receiver circuit that receives differential signals through a serial bus, first and second guard terminals that prevent radiation, first and second terminals that are disposed between the first and second guard terminals and receive the differential signals, a first power supply terminal to which a high-voltage-side power supply voltage for the receiver circuit is supplied, and a second power supply terminal to which a low-voltage-side power supply voltage is supplied. A first switch element is provided between a line from the first guard terminal and a line from the second power supply terminal, and a second switch element is provided between a line from the second guard terminal and a line from the second power supply terminal. The first and second switch elements are turned ON in a high-speed serial interface mode. | 2009-09-24 |
20090237175 | Compact balun transformers - Balun transformers are described wherein multiple transformer loops are implemented in a stacked design with the primary and secondary loops overlying one another. By aligning the loops in a vertical direction, instead of offsetting the loops, the area of the device is reduced. Multiple transformer loops are nested on each level, and the transformer loops on a given level are connected together using a crossover located on a different level. | 2009-09-24 |
20090237176 | Thin film balun - There is provided a thin film balun which, while incorporating a capacitor used to supply a DC bias, allows improvement of various required characteristics. | 2009-09-24 |
20090237177 | Miniaturized microwave sampler - A miniaturized microwave sampler has a first substrate and a second substrate mounted together on a mounting surface, a ground layer formed on the mounting surface, a slot-line formed on the ground layer. A first microstrip line is formed on a top surface of the first substrate and has a first end as a local pulse signal input port. A T-shaped second microstrip line is formed on a bottom surface of the second substrate and achieves an electromagnetic coupling with the first microstrip line through the slot-line. The second microstrip line has a longitudinal segment and a latitudinal segment both being perpendicularly connected together. The longitudinal segment has one end as a radio frequency signal input port. The latitudinal segment further extends to form two output ports. | 2009-09-24 |
20090237178 | CIRCUIT DEVICE HAVING INDUCTOR AND CAPACITOR IN PARALLEL CONNECTION - A circuit device having an inductor and a capacitor in parallel connection includes a planar inductor embedded in an insulating material layer, wherein the planar inductor has a winding wire portion, a first connection terminal and a second connection terminal. The first connection terminal and the second connection terminal are located at different elevations and have an overlapping region. A capacitor dielectric layer is located within the overlapping region between the first connection terminal and the second connection terminal, and the capacitor dielectric layer and the first connection terminal and the second connection terminal together form a capacitor. | 2009-09-24 |
20090237179 | System and method for using MEMS filter bank - A method and apparatus for recovering at least one signal of interest are provided. The method includes receiving an overall signal, the overall signal including the at least one signal of interest and a plurality of other signals, identifying at least one of the strongest components of the plurality of other signals, attenuating, using at least one MEMS resonator, any of the components identified by the identifying, wherein the overall signal will be modified to include the at least one signal of interest, attenuated versions of the components identified by the identifying, and the remaining portions of the plurality of other signals that were not subject to the attenuating, and recovering, after the attenuating, the at least one signal of interest. | 2009-09-24 |
20090237180 | BAND-PASS FILTER DEVICE, METHOD OF MANUFACTURING SAME, TELEVISION TUNER, AND TELEVISION RECEIVER - A band-pass filter device includes: a plurality of band-pass filter elements on a principal plane of a substrate; wherein the band-pass filter elements correspond to a plurality of respective channels divided by frequency regions, and each have a plurality of piezoelectric resonators. Each of the piezoelectric resonators includes a piezoelectric film whose periphery is supported by the substrate, a first electrode formed on a lower surface of the piezoelectric film, a second electrode formed on an upper surface of the piezoelectric film and formed in a state of overlapping at least a part of the first electrode with the piezoelectric film interposed between the second electrode and the first electrode, a lower space formed between the substrate and the piezoelectric film, and an upper space formed over the piezoelectric film. | 2009-09-24 |
20090237181 | SURFACE ACOUSTIC WAVE DEVICE - A surface acoustic wave device which uses a Rayleigh wave as a surface acoustic wave includes an IDT electrode provided on a piezoelectric substrate composed of quartz having Euler angles of (0°±5°, 0° to 140°, 0°±40°), a piezoelectric film composed of c-axis oriented ZnO arranged so as to cover the IDT electrode, and the piezoelectric film has a convex portion provided on a surface thereof corresponding to the thickness of the ID electrode. The IDT electrode is composed of a metal material primarily including Al, Au, Ta, W, Pt, Cu, Ni, or Mo, and when the wavelength of the surface acoustic wave is represented by λ, the primary metal of the IDT electrode, a normalized thickness of the IDT electrode normalized by the wavelength of the surface acoustic wave, and a normalized thickness of the piezoelectric film normalized by the wavelength of the surface acoustic wave are preferably set within the ranges of each combination shown in Table 1. | 2009-09-24 |
20090237182 | Compact single-to-balanced bandpass filter - A compact single-to-balanced bandpass filter is proposed in this invention. Firstly, a pre-design circuit is presented, which is composed of an inductive coupled-line (ICL) bandpass filter and an out-of-phase capacitive coupled-line (CCL) bandpass filter. A novel compact circuit with three coupled lines configuration, derived from the pre-design circuit, is then proposed for miniaturizing the single-to-balanced bandpass filter. In order to verify the feasibility of the proposed structure, a 2.4 GHz multilayer ceramic chip type single-to-balanced bandpass filter with size of 2.0 mm×1.2 mm×0.7 mm is developed. The filter is designed by using circuit simulation as well as full-wave electromagnetic (EM) simulation softwares, and fabricated by the use of low-temperature co-fire ceramic (LTCC) technology. The measured results agree quite well with the simulated. According to the measurement results, the maximum insertion loss is 1.65 dB, the maximum in-band phase imbalance is within 3 degrees, and the maximum in-band magnitude imbalance is less than 0.32 dB. | 2009-09-24 |
20090237183 | LOW-PASS FILTER - A low-pass filter includes an input portion inputting an electromagnetic signal, an output portion outputting the electromagnetic signal, a high impedance transmission portion electrically connecting the input portion and the output portion to transmit the electromagnetic signal therebetween, and a pair of low impedance transmission members arranged on opposite sides of the high impedance transmission portion. Each of the low impedance transmission members electrically connects the input portion, the output portion, and the high impedance transmission portion, and includes a first low impedance transmission portion and a second low impedance transmission portion. A width of the first low impedance transmission portion is different from that of the second low impedance transmission portion. | 2009-09-24 |
20090237184 | FILTER WITH CROSSES - The invention relates to a process for the production of a microwave waveguide having a step of determining the zone or zones (z | 2009-09-24 |
20090237185 | Variable radio frequency band filter - A variable radio frequency band filter includes a housing with a plurality of cavities, a plurality of resonators, wherein one resonator is arranged in each cavity, and a tuning arrangement having a plurality of tuning structures. One of the tuning structures is arranged in each of the cavities. The tuning structures of multiple cavities are mechanically connected such that the tuning structures may be shifted simultaneously in order to simultaneously vary the resonance frequencies of the cavities. Each tuning structure includes at least one first metallic surface facing the resonator and at least one second metallic surface facing a wall of the cavity, the first and second metallic surfaces being conductively connected. The second metallic surface is arranged such that a small and essentially uniform gap is formed between the second metallic surface and the wall to achieve a virtual grounding of the metallic surfaces. | 2009-09-24 |
20090237186 | SEMICONDUCTOR DEVICE HAVING SHIELD STRUCTURE - A semiconductor device comprises a semiconductor substrate; a diffusion layer formed on the semiconductor substrate; at least two wiring layers formed opposite to each other over the semiconductor substrate; signal lines for transmitting a signal maintaining a predetermined voltage, each of the signal lines being formed in each of the two wiring layers; shield lines fixed to a constant voltage to shield the signal lines, each of the shield lines being formed adjacent to each of the signal lines in the two wiring layers; and a gate electrode formed over the semiconductor substrate via an insulation film. In the semiconductor device, at least one of the signal lines formed in a lower wiring layer of the at least two wiring layers is electrically connected to the gate electrode opposed in a stacking direction. | 2009-09-24 |
20090237187 | Auxiliary release for a circuit breaker - At least one embodiment of the invention relates to an auxiliary release for a circuit breaker. The auxiliary release includes an undervoltage release for mechanically actuating an actuating element, and a connection point for connecting a voltage release is arranged in the circuit of the undervoltage release. | 2009-09-24 |
20090237188 | Integrated Reed Switch - This invention relates to reed switches, and more particularly to micro-miniaturized reed switches and batch microfabrication techniques used to fabricate micro-miniaturized reed switches. The present invention can provide miniaturized reed switches with more consistent operating parameters, and that can be produced more efficiently than conventional reed switches. The present invention can also provide methods of making miniaturized reed switches using microfabrication techniques. The present invention can use lithographic-based fabrication to enable monolithic construction of a reed switch. Microlithography can repeatedly form micrometer dimensions with tight tolerances over large arrays of devices which, if the patterns are translated into materials appropriate for electromechanical devices, can provide for repeatable and consistent electromechanical operation. For example, tight dimensional control of the gap between two reeds in a reed switch or a reed and a fixed contact can provide consistency of performance between reed switches. Thus, the present invention can allow the commonly regarded reed switch specification of sensitivity, or “Ampere-turns” required to close a reed switch, to be tightly controlled with a commensurate reduction in spread in sensitivity across reed switch production lots. | 2009-09-24 |
20090237189 | STOP LAMP SWITCH - A stop lamp switch including: an enclosure; a reed switch disposed in the enclosure; a magnet, disposed in the enclosure, a magnetic field of which opens and closes the contacts of the reed switch; an actuating shaft that is movable along an axial direction of the enclosure; a blocking member provided on the actuating shaft, that moves with the movement of the actuating shaft, between a first position, at which the magnetic field from the magnet directed toward the first reed switch is blocked, and a second position, at which the blocking of the magnetic field from the magnet directed toward the first reed switch is no longer blocked. | 2009-09-24 |
20090237190 | TRIPPING MODULE FOR A SWITCH DEVICE - A tripping module for a switching device includes at least a magnetic system having at least an armature, a coil, and a yoke. The coil is arranged about the armature, and the yoke is arranged about the coil. The armature is provided for tripping at least indirectly a disconnecting apparatus of the switching device. In order to increase security in electric installation arrangements, the yoke includes at least a bent sheet-metal part. | 2009-09-24 |
20090237191 | ELECTROMAGNETIC RELAY - An electromagnetic relay has a movable iron core, an insulation holder integrated with an upper end portion of the movable iron core, a movable contact piece supported by the insulation holder, and a solenoid formed from a wound coil. The movable iron core is housed in an axial hole in the solenoid movably in the upward and downward directions. The movable iron core is adapted to be moved upwardly and downwardly based on magnetization and demagnetization of the solenoid for contacting and separating a movable contact point provided on the movable contact piece with and from a fixed contact point for opening and closing a contact point. A permanent magnet is embedded in a base portion of the insulation holder. | 2009-09-24 |
20090237192 | MAGNETIC RESONANCE IMAGING SYSTEM AND APPARATUS HAVING A MULTIPLE-SECTION - Systems, methods and apparatus are provided through which in some embodiments a magnetic resonance imaging system includes at least two cryostats, each cryostat having a portion of a superconducting coil. Some embodiments provide force balancing between the sections. Some embodiments provide an ability to use more efficient superconducting coil geometry which would otherwise physically trap the gradient between the coils. Some embodiments provide an ability to install, remove or upgrade magnet without dismantling the imaging room. | 2009-09-24 |
20090237193 | Multi-core inductive device and method of manufacturing - A multi-core inductive device assembly for electrical or electronic applications. In one embodiment, the device assembly comprises a multiple core component structure providing multiple inductive devices (for example, that has N inductors and two core elements). Conductive windings are disposed between the core elements. The core elements comprise risers for each of the inductive devices which permit, among other things, individual control of the gap formed between the risers, and hence the magnetic and other performance aspects of each inductive device. This topology allows for a multi-element (N) inductor array with substantial isolation properties, and which allows for individualized control of saturated output power performance for each of the N inductors. Methods for use and manufacturing are also disclosed. | 2009-09-24 |
20090237194 | APPARATUS, A SYSTEM AND A METHOD FOR ENABLING ELECTROMAGNETIC ENERGY TRANSFER - The apparatus | 2009-09-24 |
20090237195 | Center-tapped transformer - A center-tapped transformer includes a spool that defines a spool axis and that has an axially extending first spool part and a second spool part extending coaxially from the first spool part, a primary winding unit that surrounds the first and second spool parts, first and second secondary winding units that are disposed on one side of the primary winding unit and that surround the first and second spool parts, respectively, and an isolating unit that is disposed between the first and second secondary winding units to separate the first and second secondary winding units from each other. | 2009-09-24 |
20090237196 | Method for manufacturing transformer, and transformer - A core is configured with two O-type cores and an I-type core which is separate from the O-type cores. In a transformer comprising a core of the type, by incorporating a first O-type core, a bobbinless coil block and a second O-type core to be stacked on a terminal block sequentially, excellent assemblability is achieved. Further, the first O-type core is incorporated from one side to the terminal block, and the bobbinless coil block and the second O-type core are incorporated by stacking up from the other side. Further, the first O-type core, the bobbinless coil block, the second O-type core and the terminal block are assembled by being stacked up. | 2009-09-24 |
20090237197 | Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures - An M-phase coupled inductor including a magnetic core and M windings, where M is an integer greater than one. The magnetic core is formed of a core material, and the magnetic core includes a first outer leg forming a first gap. The first gap includes a first gap material having lower magnetic permeability than the core material. Each winding is wound at least partially around at least a portion of the magnetic core, and each winding has a respective leakage inductance. The first gap causes the leakage inductances to be greater than if the first outer leg did not form the first gap. The coupled inductor may be used in a power supply, and the power supply may be used in a computing apparatus. | 2009-09-24 |
20090237198 | SAFETY POWER DISCONNECTION TERMINAL APPARATUS WITH LIGHT INDICATION - The present invention discloses a safety power disconnection terminal apparatus with light indication that includes: a housing, having two inspecting openings and a light transmitting portion provided at the top of the housing, and an opening provided at the bottom of the housing; a terminal pin installed in the housing, having two parallel conducting plates, and a fuse connected in between the two conducting plates. Terminal portions are provided at upper ends of the two conducting plates, and are exposed through the two inspecting openings, and L-shaped stands are provided at inner sides of the upper ends of the two conducting plates. A LED module has two LEDs serially connected with at least one voltage divided resistor that are mounted directly onto a surface of PCB. | 2009-09-24 |
20090237199 | Electrical Assembly with PTC Resistor Elements - An electrical assembly includes at least two PTC-resistor elements, each of which has a base body having a flat shape. Each base body has main surfaces that contain electrodes. A carrier plate has spacers for positioning base bodies of the at least two PTC resistor elements. A width each spacer is about equal, in at least one area, to a distance between facing electrodes of adjacent PTC-resistor elements. | 2009-09-24 |
20090237200 | Chip resistor and its manufacturing process - A chip resistor ( | 2009-09-24 |
20090237201 | IMAGE PROCESSING APPARATUS, SETTING INFORMATION ACQUIRING METHOD, AND SETTING INFORMATION ACQUIRING PROGRAM - To provide a technique for allowing a user to acquire information peculiar to the user stored in a storage area, for which log-in processing and authentication processing are necessary, through simple authentication processing using a card without performing operation for inputting a user ID and a password. An image processing apparatus includes: a card-ID-information acquiring unit that acquires card ID information of a user; a user-ID-information acquiring unit that outputs the card ID information acquired by the card-ID-information acquiring unit and acquires, according to the outputted card ID information, user ID information associated with the card ID information; and a setting-information acquiring unit that acquires, on the basis of the acquired user ID information, environment setting information concerning a work environment of the user corresponding to the user ID information, the setting-information acquiring unit acquiring the environment setting information on the basis of environment setting administrator authority for allowing the user to acquire a work environment associated with the user ID information of users who can be targets of acquisition of the work environment. | 2009-09-24 |
20090237202 | Operator system utilizing a position detector to initiate a closing sequence - Mobile transmitter configured to control any compatible barrier operator so as to move an access barrier to a closed position based on the change in angular and/or linear position of a carrying device. The mobile transmitter includes a position sensor and an activity sensor to monitor the change in position of the carrying device. Thus, when the angular and/or linear position of the carrying device changes by an amount greater than a predetermined threshold, the mobile transmitter automatically communicates a mobile command signal to the barrier operator commanding it to close the access barrier. | 2009-09-24 |
20090237203 | IDENTIFICATION WITH RFID ASSET LOCATOR FOR ENTRY AUTHORIZATION - A system for controlling access at secure facilities to locations and assets contained in those locations, comprising a biometric identification device, an RFID tag and receiver, and a database for processing information from them to allow or deny access to the locations and assets. The system ties into an existing network in the facility and also includes a programming device for evaluation of the biometric template and acknowledgement of the identification, if made. The system also controls the permissible locations of assets such as laptops, desktop computers, photographic equipment, weapons such as rifles, data storage devices and the like, such that while a person may have access to a location, use of an asset or removal of the asset may not be part of that person's authorized conduct. | 2009-09-24 |
20090237204 | Secure keyless entry system - A secure keyless entry system integrates into an existing motorized garage door opening system to replace the one button transmitters typically placed in a vehicle. The one button transmitters are replaced with remote modules having alpha numeric key pads. The remote modules accept a string of input and compare the last four to eight entries to a previously set designated PIN. In order to obfuscate the designated PIN from on lookers, a user of the system may first enter a random string of decoy characters before finally entering the designated PIN. The disclosed system may also be used to replace the metal keys typically used to secure entry doors to a dwelling. | 2009-09-24 |
20090237205 | METHOD AND SYSTEM FOR SECURING A VEHICLE AGAINST THEFT - Method and system for securing a vehicle against theft where at least one essential operational element of the vehicle can be switched between three operating states, and the essential operational elements are switched into a substantially unrestricted operation-ready operating state A by an external usage authorization device independent of the vehicle over means for transmitting the authorization data, at least one essential operational element is switched into an operation-ready operating state B by an event-dependent circuit through at least one event for a period of time, the period of time depending on predefined operating parameters and either at least one essential operational element of the vehicle is switched after the passage of time for putting out of operation the vehicle into a non-operation-ready or restrictively operation-ready operating state C, or the essential operational elements are switched before the passage of the time period into operation-ready operating state A according to first step by means of the usage authorization device via transmitting the authorization data. The vehicle and the usage authorization device, before it is initially operated for the first time, are individualized once through an authorization code or the operating parameters are set at the usage authorization device or the events, which trigger the switching of the operating state of the essential operational element of the vehicle, are selected on the usage authorization device. | 2009-09-24 |
20090237206 | Stand alone blue tooth enabled car door unlocker module - An unlocking device for automobiles that is able to be mounted on the interior of an automobile's rear window to facilitate reentry inside the automobile once a driver is locked out. The unlocking device is rectangular in shape and is mounted on the glass with suction cups. It is a stand alone module that is non evasive of the oem electronics of the automobile. The device is designed to receive dtmf tones from a cellphone operating in bluetooth mode. The device is universal in nature in that it is designed to enable unlocking for any automobile manufacturer's vehicle that uses an oem keyfob transmitter. | 2009-09-24 |
20090237207 | Secure Web Accessed Box - A web accessed security box includes a web server that can communicate with a web browser to control access and account for asset events that occur when the box is used. A personal identifier must be satisfied to open a drawer of the box. A latching system uses both an access solenoid for normal opening and closing in response to the personal identifier, and an emergency release solenoid having a separate power supply to open the box when the access solenoid is disabled. Several features make the box secure against weather and tampering. | 2009-09-24 |
20090237208 | IMAGING DEVICE AND AUTHENTICATION DEVICE USING THE SAME - An image pick-up device comprises a first image pick-up unit for taking an image of a left eye of a subject, a second image pick-up unit for taking an image of a right eye of the subject, a first lighting unit for illuminating the left eye of the subject, a second lighting unit for illuminating the left eye in a direction intersecting an image-taking optical axis of the second image pick-up unit, a third lighting unit for illuminating the right eye of the subject, and a fourth lighting unit for illuminating the right eye in a direction intersecting an image-taking optical axis of the first image pick-up unit. | 2009-09-24 |
20090237209 | Communicating keychain - One embodiment of communication between a device that holds one or more keys and a cellular device like but not limited to a cellphone or personal digital assistant. The communication can include a method of locating one device with the other, controlling one device with the other by remote, displaying information of one to the other, and communication either audible, visual, or physical through vibration to the user of the devices. The communication between the devices is wireless and should not be limited. | 2009-09-24 |
20090237210 | PROXIMITY LOCATION SYSTEM AND METHOD THEREOF FOR LOCATING A COMMUNICATIONS DEVICE - A proximity location system and method thereof for locating a communications device. A radio-frequency identification (RFID) proximity location tag is arranged in a proximity of the communications device and detected thereby. A proximity location key included in the RFID proximity location tag is acquired by the communications device and forwarded to a location information server. The location information is queried for location information associated with the proximity location key. Based on the location information, data transmitted by the communications device is routed to the appropriate receiver of the data. The location information is also provided to the receiver. | 2009-09-24 |
20090237211 | SECURITY AND IDENTIFICATION TAGS - An identification tag, such as an EAS tag or an RFID tag, comprising a loop antenna having a substantially triangular shape and an electronic component connected to and positioned within the loop antenna, the antenna and component comprising a flexible metal structure disposed on one face of a flexible substrate, the flexible substrate extending away from one side of the triangular loop antenna to form a flap such that, when the tag is positioned on a face of a package close to its edge, the flap can be wrapped around the edge of the package and onto its other face. | 2009-09-24 |
20090237212 | Electronic tag and system with conditional response corresponding to at least one plant attribute - A system for tracking plants includes electronic tags configured to conditionally respond to interrogation, the condition response corresponding to data stored in the tag and/or one or more environmental parameters corresponding to one or more plants. | 2009-09-24 |
20090237213 | COMMUNICATION SYSTEM WITH ANTENNA BOX AMPLIFIER - A communication system for communicating with an implanted wireless sensor is provided. A transmit antenna element can propagate an energizing signal onto a communication medium and a receive antenna element can recover a responsive implanted sensor response signal. The antenna box includes a power amplifier for amplifying the energizing signal and timing regeneration circuitry for detecting an end to signals and outputting control signals for selecting mode operation. The antenna box can receive the energizing signal from the antenna cable in a transmit mode and provide the implanted sensor response signal to the antenna cable in a receive mode. The antenna box can communicate with an electronic box and/or conversion box that provide and receive signals and provide power via the antenna cable. | 2009-09-24 |
20090237214 | PROPINQUITY DETECTION BY PORTABLE DEVICES - A point of sale (POS) terminal including a contactless transaction/identification card reader and a propinquity verifier, coupled to the contactless card reader and verifying at least predetermined propinquity of the POS terminal to a propinquity indication element. | 2009-09-24 |
20090237215 | APPLICATION OF RADIO FREQUENCY IDENTIFICATION - A method for making a container including a radio frequency identification label is provide. In an embodiment the method includes placing a radio frequency identification (RFID) label into a mold; positioning the RFID label so that an outer portion of the label is substantially flush with the mold surface; and molding a container such that the outer portion of the RFID label is substantially flush with the outer surface of the side wall of the container. An article, which may be formed using the foregoing method, is also disclosed. | 2009-09-24 |
20090237216 | LPRF DEVICE WAKE UP USING WIRELESS TAG - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast. | 2009-09-24 |
20090237217 | PACKAGING BOX, PACKAGING MATERIAL, TAG ID READING METHOD, AND TAG ID TRANSMITTING PROGRAM - A packaging box includes a body which has a top surface, a base, and a side, first and second signal conductors, and an RFID tag. The first signal conductor is provided on a first region of the body. The second signal conductor is provided on a second region of the body. The RFID tag is attached to the side in a third region as being electrically insulated from the first and the second signal conductors with a first electrode thereof connected to the first signal conductor and a second electrode thereof connected to the second signal conductor. | 2009-09-24 |
20090237218 | WIRELESS COMMUNICATION DEVICE - Embodiments relate to a wireless communication device. The embodiment provides a wireless communication device comprising: a reception signal processor demodulating a received signal; a first signal state detector detecting a reception state of a first signal from the received signal; a second signal state detector detecting a reception state of a second signal from the received signal; a transmission signal processor modulating a transmission signal; and a controller controlling a change of a frequency of a channel transmitted to the transmission signal processor depending on a reception state of at least one of the first signal of the first signal state detector and the second signal of the second signal state detector. | 2009-09-24 |
20090237219 | SECURITY APPARATUS, SYSTEM AND METHOD OF USING SAME - Methodologies and mechanisms are provided that enable implementation of a system and methodologies for detachment of a security tag (e.g., an identification tag) from an article only upon the sale of the article, wherein the identification data indicating the personnel detaching the security tag is logged in connection with data specific to the article sale transaction. | 2009-09-24 |
20090237220 | RFID TAGS WITH POWER RECTIFIERS THAT HAVE BIAS - A system and method for generating a rectified signal in a RFID tag. An alternating signal is received by the RFID tag, and a first phase of the alternating signal is coupled to a gate and to a first non-controlling terminal of a first switching transistor. The non-controlling terminal of the first switching transistor is one of a source and a drain of the first switching transistor. A first bias voltage is applied between the first non-controlling terminal and the gate of the first switching transistor and a rectified voltage is received between the first non-controlling terminal and a second non-controlling terminal of the first switching transistor. | 2009-09-24 |
20090237221 | Label programmer, system, and method of initializing RF-enabled labels - A label programming system configured to initialize a radiofrequency (RF)-enabled label for attachment to a data storage device includes a platform, an RF read/write assembly disposed on a first side of the platform, and an optical reader assembly in electrical communication with the RF read/write assembly. The optical reader assembly is disposed on a second side of the platform opposite the first side. The optical reader assembly is configured to optically read information from the RF-enabled label and communicate the information to the RF read/write assembly that is configured to write the information to a chip of the RF-enabled label. | 2009-09-24 |