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19th week of 2009 patent applcation highlights part 20
Patent application numberTitlePublished
20090115492FUSE-FETCHING CIRCUIT AND METHOD FOR USING THE SAME - A fuse-fetching circuit comprises a plurality of fuses, a plurality of first switches and a shift register. Each of the first switches includes a first data end, a second data end and a control end. The first data end is connected to the fuse, and the control end is controlled by a fuse-fetching signal. The shift register includes a plurality of registers, each of which includes a first latch, a first transmission gate, a second latch and a second transmission gate. The first latch is connected to the second data end of the first switch.2009-05-07
20090115493Electric fuse determination circuit and determination method - An electrical fuse determination circuit that can speedily and reliably incorporate an electrical fuse data and improve a reliability of electrical fuse device, includes a first electrical fuse device of which one end connects with a higher voltage, a second electrical fuse device of which one end connects with a lower voltage, a set portion that puts one of the first electrical fuse device and the second electrical fuse device in a conductive state, and a determination portion that determines a voltage level of a predetermined contact point connecting the other end of the first electrical fuse device and the other end of the second electrical fuse device.2009-05-07
20090115494Charge pump warm-up current reduction - A charge pump circuit includes a voltage controlled oscillator. The voltage controlled oscillator operates at a lower frequency during a warm-up mode, and operates at a higher frequency during a loading mode. The lower frequency operation during the warm-up mode reduces power supply current requirements.2009-05-07
20090115495DRIVE CIRCUIT, VOLTAGE CONVERSION DEVICE AND AUDIO SYSTEM - The first control transistor is connected between a first input node for receiving a first input signal swinging between a first voltage and a second voltage and an intermediate node for outputting an output signal, and receives the second voltage at its gate. The second control transistor is connected between a second input node for receiving a second input signal swinging between a third voltage and a fourth voltage in synchronization with the first input signal and the intermediate node, and receives the third voltage at its gate. The voltage difference between the first voltage and the third voltage is smaller than or equal to the source-drain breakdown voltage of the second control transistor, and the voltage difference between the second voltage and the fourth voltage is smaller than or equal to the source-drain breakdown voltage of the first control transistor.2009-05-07
20090115496VPP VOLTAGE GENERATOR FOR GENERATING STABLE VPP VOLTAGE - The present invention relates to a VPP voltage generator that generates a stable VPP voltage. The VPP voltage generator of the present invention generates a stable VPP voltage. Therefore, power consumption can be saved, a precharge time of word line can be prevented from increasing and a tRCD characteristic can be improved. It is thus possible to improve the operational performance of semiconductor memory devices.2009-05-07
20090115497POWER SOURCE CIRCUIT - A power source circuit that outputs a designated voltage through an output terminal thereof, comprising: a step-up circuit that steps up a voltage fed from a power supply and applies the resultant voltage to the output terminal; a voltage sensing circuit that senses a voltage outputted from the step-up circuit and outputs a signal with which activation of the step-up circuit is controlled; and a filter circuit that includes a variable resistor connected between the output side of the step-up circuit and the output terminal.2009-05-07
20090115498COOPERATIVE CHARGE PUMP CIRCUIT AND METHOD - A multiple polarity reversible charge pump circuit is disclosed which, in certain embodiments, may be configured to generate a positive voltage at times and may be reversed to generate a negative voltage at other times. Such a charge pump circuit is advantageous if both the positive and negative voltage are not simultaneously required. In certain other embodiments, a charge pump circuit generates a high output current for only a positive boosted voltage in one mode of operation, but lower current positive and negative boosted voltage outputs in another mode of operation. Use with certain erasable memory array technologies is disclosed, particularly certain resistive passive element memory cells, and more particularly in a three-dimensional memory array.2009-05-07
20090115499Capacitance coupling effect compensating method and apparatus implemented with the method - An electronic apparatus implemented with capacitance coupling effect compensating capability is disclosed. The apparatus includes a first substrate, a common electrode, a second substrate, a coupling catch structure and a compensating circuit. The common electrode is disposed on the first substrate. The coupling catch structure is disposed on the second substrate and configured to receive a first common voltage and output a coupling catch voltage composed of a DC voltage component and a non-DC voltage component. The compensating circuit is configured to receive the coupling catch voltage and a second common voltage, and output an active common voltage applied to the common electrode. The present invention also includes a capacitance coupling effect compensating method.2009-05-07
20090115500VOLTAGE GENERATING CIRCUIT - A voltage generating circuit for outputting a voltage from an output terminal, has a first voltage dividing circuit which is connected between the output terminal and ground; a switch circuit connected between the output terminal and the first voltage dividing circuit; a first voltage detecting circuit which outputs a first pumping signal corresponding to a comparison result; a second voltage dividing circuit which is connected between the output terminal and the ground; a second voltage detecting circuit which outputs a second pumping signal corresponding to a comparison result; a pump circuit that outputs a voltage boosted from a power supply voltage; and a boost circuit which has a capacitive element having one end connected to the voltage dividing resistor of the first voltage dividing circuit.2009-05-07
20090115501Power consumption reduction of a power supply - A power supply includes a first switch to establish a first path to charge an output of the power supply by a voltage source, a second switch to establish a second path to discharge the output, and a third switch connected between the output and a capacitor. When to discharge the output, the third switch is turned on before the second switch turns on, to transfer a portion of energy on the output to the capacitor. When to charge the output, the third switch is turned on before the first switch turns on, to transfer a portion of the energy on the capacitor to the output.2009-05-07
20090115502REFERENCE CURRENT CIRCUIT, REFERENCE VOLTAGE CIRCUIT, AND STARTUP CIRCUIT - A current mirror circuit 2009-05-07
20090115503Variability-Aware Scheme for High-Performance Asynchronous Circuit Voltage Reglulation - A system for automatically transforming a given synchronous circuit description into an equivalent and provably correct desynchronized circuit description. Included in the automated transformation are techniques for synthesizing a variability-aware controller using a two-phase protocol, techniques for synthesizing a variability-aware controller using gated clocks and testability circuits, techniques for synthesizing a variability-aware controller optimized for performance, techniques for initializing the synthesized controller, techniques for dynamically minimizing power requirements, and techniques for interfacing the desynchronized circuit with external synchronous circuits. Also disclosed are techniques for implementing a system for automatically transforming a synchronous circuit description into an equivalent and provably correct desynchronized circuit description within the context of an electronic design automation design flow. Exemplary circuits used in the application of the aforementioned techniques are provided. Application of mathematical models and techniques used for proving equivalence between the input description and the resulting desynchronized circuit are presented and explained.2009-05-07
20090115504CIRCUIT DESIGN METHODOLOGY TO REDUCE LEAKAGE POWER - A three stage circuit according to the invention comprises a data input, a data output, a control input, two voltage supply inputs. The first stage is electrically connected to the data input and control input and is defined by a combinatorial circuitry with two outputs. The second stage is defined by at least two transistors connected in series between the two voltage supply inputs with their inputs electrically connected to the respective outputs of the first stage and with a common output such that in connection with the first stage they operate as a tri-state gate. The third stage of that three stage circuit is electrically connected to the control input and the common output of the second stage. The three stage circuit is switched to a low leakage state by a control signal feed via the control input and setting the two transistors in their off state resulting in a second stage with a floating common output filtered by the third stage via the control signal actively driven the data output to a specific logic value.2009-05-07
20090115505SEMICONDUCTOR DEVICE WITH CONTROLLABLE DECOUPLING CAPACITOR - Semiconductor device with a controllable decoupling capacitor includes a decoupling capacitor connected between a power voltage terminal and a ground terminal and a switching unit configured to enable/disable the decoupling capacitor in response to a control signal. According to another aspect, a semiconductor device with a controllable decoupling capacitor includes multiple circuits, decoupling capacitors being connected in parallel to each of the circuits and switching units being configured to enable/disable the decoupling capacitors in response to control signals.2009-05-07
20090115506INTERFACE DEVICE AND INFORMATION PROCESSING SYSTEM - A first converter circuit converts a state signal, whose level is constant or slowly varies during a predetermine period of time, into a pulse signal to allow the signal to propagate across an electrically insulating area. A second converter circuit converts the pulse signal, which has propagated through an insulating circuit, into the original state signal or a signal having the same characteristics as the original state signal.2009-05-07
20090115507METHOD OF AND APPARATUS FOR REDUCING SETTLING TIME OF A SWITCHED CAPACITOR AMPLIFIER - A method and apparatus for reducing settling time of a switched capacitor amplifier. The method includes disconnecting first and second capacitors from an amplifier. When the first and second capacitors are disconnected from the amplifier, they are charged by respective first and second input signals. The apparatus includes a plurality of sampling capacitors, each configured to sample a respective one of a plurality of signals during a sampling phase, an amplifier, and a plurality of decoupling switches configured to isolate the sampling capacitors from the amplifier during the sampling phase and to connect the plurality of sampling capacitors to the amplifier during the amplifying phase.2009-05-07
20090115508SWITCHING AMPLIFIER AND ITS MODULATION PROCESS - The present invention discloses a switching amplifier and its modulations process, which belongs to the field of non-filters-type switching amplifier. The switching amplifier comprises; pulse-width modulation with dual comparator, multiple-loop feedback structure, only one integrating amplifier with dual-ends output needed for each loop, no less than two feedback loops set between the integrating amplifier and H-bridge, in addition, no any low-pass filters needed adding to the feedback path. Multiple feedback loops are adopted in the present invention, which can low the distortion of the switching amplifier to the extent. Furthermore, no any extra low-pass filters are needed adding to the feedback path, which making the products a higher cost effectiveness.2009-05-07
20090115509Systems and Methods for Isolating an Analog Signal - An accurate linear equivalent of an analog signal may be produced across an isolation barrier by driving a primary transformer winding with a drive amplifier and compensation amplifier, where the compensation operational amplifier amplifies a difference between a signal produced on a sense winding of the transformer and a combination of the input analog signal and output of the drive amplifier. The system may be stabilized by a lead-lag network between the sense winding, input signal, and operational amplifier. The transformer may comprise an isolation barrier to isolate the input analog signal from a signal winding. The primary winding of the transformer, driven by the operational amplifier and driver amplifier circuit, may produce a linear equivalent of the input analog signal across the isolation barrier on a signal winding of the transformer. The transformer may comprise power supply windings connected to a power supply bridge rectifier and regulator circuit to control and supply power to the circuit components across the isolation barrier. The operational amplifier and drive amplifier circuit may be active for only a portion of each analog signal sampling period. The control signals may provide power during the rest of the sampling cycle.2009-05-07
20090115510DEVICE FOR AMPLIFYING A VOLTAGE REPRESENTING AN AUDIOPHONIC INFORMATION - The invention concerns a device (2009-05-07
20090115511AUDIO AMPLIFIER - An audio amplifier is provided. The audio amplifier includes an amplifier, a biasing circuit, and a time-delay circuit. The amplifier circuit is for amplifying audio signals. The biasing circuit is for providing a bias voltage to the amplifier circuit to actuate the amplifier circuit. The time-delay circuit is for receiving a pulse signal and delaying the bias voltage to avoid a sudden actuation of the amplifier circuit.2009-05-07
20090115512DISTRIBUTED DOHERTY AMPLIFIERS - Doherty and distributed amplifier (DA) designs are combined to achieve, wideband amplifiers with high efficiency dynamic range. A modified Doherty amplifier includes a wideband phase shifter providing first and second outputs, a main amplifier coupled to the first output, an auxiliary amplifier coupled to the second output, and a wideband combining network combining the outputs in phase. A multi-stage DA has a main output and a termination port, and a phase delay module and transforming network allowing power at the termination port to be combined in phase with power at the main output. In one combination, one or more stages of the DA may comprise a Doherty amplifier. In another combination, a modified series-type Doherty amplifying system is achieved by cascading main and auxiliary DAs. In any combination, Doherty topology may include a bias control module.2009-05-07
20090115513Predistorter - The invention aims to converge predistortion coefficients efficiently in a predistorter adapted to compensate for distortion generated in an amplifier. Level detection means (2009-05-07
20090115514Class D amplifier - A class D amplifier includes: an amplifier that generates a digital signal for driving a load based on an input signal; an attenuator that attenuates the input signal according to an attenuation command signal; and a clip prevention controller that outputs the attenuation command signal to intermittently attenuate the input signal when the digital signal is brought into a clip state or a near-clip state.2009-05-07
20090115515Receiver Comprising an Amplifier - The invention relates to a receiver (2009-05-07
20090115516NAUTA OPERATIONAL TRANSCONDUCTANCE AMPLIFIER - Provided is an operational transconductance amplifier (OTA). An existing Nauta transconductor used to implement a high frequency Gm-C filter integrated circuit (IC) is analyzed by a new method and from a new perspective to remove extra components and divide roles of remaining inverters for more simple and efficient circuit structure. In an existing Nauta transconductor, a common mode signal from an input terminal is amplified and appears at an output terminal, while in the inventive Nauta transconductor the common mode signal from an input terminal does not appear at the output terminal and is effectively eliminated. These enhanced characteristics can be achieved with a smaller number of inverters than an existing Nauta transconductor. Frequency characteristics of the filter can be effectively enhanced by independently controlling the quality factor without affecting the transconductance value required for frequency characteristics of the filter.2009-05-07
20090115517APPARATUS AND METHOD FOR LOW POWER RAIL-TO-RAIL OPERATIONAL AMPLIFIER - A rail-to-rail amplifier is provided. The rail-to-rail amplifier includes a p-type differential pair, an n-type differential pair, switches, and an output stage. The switches are arranged to selectively couple either the p-type differential pair or the n-type differential pair to the output stage so that only one of the differential pairs is coupled to the output stage at a time.2009-05-07
20090115518DIFFERENTIAL AMPLIFIER WITH INPUT STAGE INVERTING COMMON-MODE SIGNALS - To eliminate common-mode components in differential input signals without the necessity of introducing a transformer and a special feedback loop for eliminating common-mode components, a differential amplifier (2009-05-07
20090115519POWER AMPLIFIER AND ITS IDLING CURRENT SETTING CIRCUIT - An idling current setting circuit (2009-05-07
20090115520Temperature compensation of collector-voltage control RF amplifiers - A temperature compensation system for compensating a collector-voltage controlled RF amplifier. To overcome variation that occurs with temperature which can result in signal degradation of the adjacent channel spectrum, a temperature compensated current is utilized to create an offset signal. The offset signal is processed in connection with a control or data signal to generate a temperature compensated voltage source control signal. A differential amplifier may process the data or control signal and the offset signal. The compensated voltage control signal tracks temperature to adapt the applied collector voltage to temperature. This in turn forces the applied collector voltage to vary in response to temperature changes thereby maintaining a constant output power or RF swing. One example environment of use is in an EDGE type GSM system.2009-05-07
20090115521High CMR amplifier topology - An amplifier topology includes an input stage comprising a differential pair which conducts respective output currents in response to a differential input signal. Bias current sources provide the pair's tail current and respective bias currents for the input stage in response to a drive voltage. After flowing through the input stage, most or all of the input stage bias currents are summed at a summing node, the summed currents being a current I2009-05-07
20090115522Low power, low noise amplifier system - A low power, low noise amplifier system includes at least one amplifier having first and second differential input terminals, first and second differential output terminals and providing a differential output; first and second input capacitors interconnected with the first and second differential amplifier input terminals; first and second feedback circuits containing first and second feedback capacitors, respectively, interconnected with the amplifier differential input and output terminals; an input chopper switch circuit for receiving a low frequency differential input and selectively, alternately swapping those low frequency differential inputs through the input capacitors to the differential input terminals of the amplifier; an output chopper switch for receiving and selectively, alternately swapping the amplifier differential outputs synchronously with the input chopper switch circuit; and a low pass filter responsive to the swapped differential outputs for providing a low noise, low power amplification of the low frequency differential inputs.2009-05-07
20090115523DISCRETE TIME AMPLIFIER CIRCUIT AND ANALOG-DIGITAL CONVERTER - The present invention is intended to attain simplified circuit configuration and low current consumption in a discrete time amplifier circuit and an AD converter, to improve the convergence from the transient response state to the steady state of the amplifier circuit and to reduce noise and distortion owing to the variation in the output common-mode voltage. The discrete time amplifier circuit and the AD converter are provided with a switched-capacitor common-mode feedback (CMFB) circuit capable of detecting and feeding back the output common-mode voltage at every sampling timing in the case that the circuit operates at double sampling timing (every ½ cycle).2009-05-07
20090115524OUTPUT STAGE CIRCUIT AND OPERATIONAL AMPLIFIER THEREOF - The present invention relates to an output stage circuit and an operational amplifier thereof. In the output stage circuit, one of a gate of a transistor is coupled to a gate of a bias transistor and a level shifter in response to a small signal outputted from an amplifying circuit in the operational amplifier. In addition, a gate voltage of the bias transistor is controlled by a voltage generating circuit to control a DC bias of the transistor of the output stage circuit. Therefore, extra frequency compensating components for compensating the transistor of the output stage circuit is no longer necessary, and saving circuit layout area and cost can be achieved by the present invention.2009-05-07
20090115525FREQUENCY TUNABLE LOW NOISE AMPLIFIER - A frequency tunable low noise amplifier 2009-05-07
20090115526FET BIAS CIRCUIT - A FET bias circuit applies a bias voltage that is not adjusted separately to an amplifying element FET of a FET amplifying circuit. In the FET bias circuit is provided a monitor element FET m having a gate connected to the gate of the amplifying element FET a and a source connected to the source of the amplifying element FET a, respectively, and having a drain current with respect to the bias voltage substantially proportional to the drain current of the amplifying element FET a. In the FET bias circuit is further provided a fixed bias circuit for applying the bias voltage so that the amplifying element FET a enters a predetermined operating class by applying a bias voltage to the monitor element FET m so that a drain current flowing to the monitor element FET m enters a predetermined operating class.2009-05-07
20090115527OUTPUT STAGE CIRCUIT AND OPERATIONAL AMPLIFIER THEREOF - The present invention relates to an output stage circuit and an operational amplifier thereof. In the output stage circuit, one of a gate of a transistor is coupled to a gate of a bias transistor and a level shifter in response to a small signal outputted from an amplifying circuit in the operational amplifier. In addition, a gate voltage of the bias transistor is controlled by a voltage generating circuit to control a DC bias of the transistor of the output stage circuit. Therefore, there is no need extra frequency compensating component for compensating the transistor of the output stage circuit, and to save circuit layout area and cost can be achieved by the present invention.2009-05-07
20090115528Low Cost High Performance Power Amplifier Utilizing Two-Stage-Included Local Negative Feedback with Feedback-Shifting Technology - The present invention provides a cost-effective and power-effective solution to a high performance amplifier design over conventional Class A and Class B/AB amplifiers. Without increasing cost or losing simplification of conventional Class B/AB amplifier configuration, two kinds of unique local feedback loops, which cover the second and third stages and further offer a feedback shifting feature over frequency range, are disclosed to replace the traditional Miller compensation capacitor to suppress dominant distortion, which is usually generated by the two last stages while maintaining stability of the amplifier, through high frequency end. Since the present invention provides key elements of a three-stage amplifier that enable performance improvement in a wide range of circuit design, the present invention has significant commercial values in amplifier circuit industries including audio power amplifiers, IC (integrated circuit) operational amplifiers, ADC (Analog-to-Digital Conversion) and DAC (Digital-to-Analog Conversion) buffers, etc.2009-05-07
20090115529POWER AMPLIFIER HAVING INPUT ENDS COMBINED IN SERIES AND OUTPUT ENDS COMBINED IN SERIES - A power amplifier includes a first transformer, a first transistor, a first resistor, a second transformer, a second transistor, a second resistor, and a bias circuit. The first transformer drives the first transistor. The second transformer drives the second transistor. The first transformer is connected in series with the second transformer. The first transistor is connected in series with the second transistor. Therefore, the power amplifier has input impedance and output power both greater than those of a conventional power amplifier.2009-05-07
20090115530Doherty-Amplifier System - A Doherty-amplifier system has several amplifier stages, of which the inputs are controlled via a control unit with different phase angles and/or signal amplitudes of an input signal. According to the invention, every output of every amplifier stage is connected directly to an antenna element, without the output signals from the amplifier stages being combined with one another before being supplied to the antenna elements.2009-05-07
20090115531EFFICIENT POWER AMPLIFIER - A dynamic power supply for N amplifiers includes first and second power boost circuits which temporarily boost the positive or negative power supply rail, respectively. A control circuit monitors amplifier output signal levels and provides power boost control signals to the power boost circuits, which temporarily raise the positive supply voltage above the nominal voltage level in tandem with the highest output signal from the N amplifiers and lower the negative supply voltage below the nominal voltage level in tandem with the lowest output signal level from the N amplifiers. The power boost circuits each may be coupled to a reservoir capacitor from which current is drawn to provide the power boost. When inactive, the reservoir capacitors charge up from the respective power supply rails. The dynamic power supply is well suited for audio amplification systems.2009-05-07
20090115532IMAGE SIGNAL AMPLIFYING CIRCUIT AND AMPLIFYING SEMICONDUCTOR INTEGRATED CIRCUIT - An image signal amplifying circuit comprises: an amplifier circuit for amplifying an image signal; an output capacitor and a resistance, both being serially connected between an output node of the amplifier circuit and an output terminal; and a second-order high pass filter having a value of Q larger than one, the second-order high pass filter being provided at a preceding stage of the amplifier circuit, wherein distortion to correct a sag arising in a high pass filter on an output side, the high pass filter including the output capacitor and the resistance, is caused in the input image signal by a characteristic of the second-order high pass filter.2009-05-07
20090115533VOLTAGE CONTROLLED OSCILLATOR - A voltage controlled oscillator may include a plurality of inverting units connected in serial and connected between a first and a second voltage sources to produce an oscillating frequency. Each of the inverting units may have a first current source for producing a constant current that may determine an oscillating frequency, a switching inverter connected between the first voltage source and the first current source that may produce a current having a phase opposite to an output current from a preceding inverting unit, and a frequency adjuster that may control the oscillating frequency by charging and/or discharging the current from the inverting unit.2009-05-07
20090115534PHASE LOCKED OSCILLATOR - There is provided an analog phase locked oscillator comprising a sampling phase detector, a loop filter, a voltage controlled oscillator, a frequency multiplier and a feedback loop where the feedback loop connects the output of said oscillator with the input of said phase detector through said frequency multiplier. The sampling phase detector is adapted to perform a discrete phase comparison between a reference frequency and the multiplied feedback signal. The voltage controlled oscillator is adapted to give out a constant frequency at a multiply of the reference frequency divided with the multiplication factor of the multiplier.2009-05-07
20090115535PWM CONTROL CIRCUIT AND MOTOR EQUIPPED WITH THE SAME - The PWM control circuit is provided. The PWM control circuit includes: a PWM control signal generator that generates a PWM period signal defining a period of a PWM signal and a PWM resolution signal specifying a resolution in one period of the PWM period signal; and a PWM unit that generates the PWM signal based on the PWM period signal and the PWM resolution signal, wherein the PWM control signal generator changes a frequency of the PWM resolution signal while keeping a frequency of the PWM period signal unchanged.2009-05-07
20090115536PROGRAMMABLE LINEAR TRIMMING METHOD AND SYSTEM FOR PHASE LOCKED LOOP CIRCUIT CALIBRATION - The present invention implements an apparatus for calibrating a phase locked loop (PLL) circuit. The apparatus includes a detector for detecting frequencies of a reference signal and a controlled oscillator contained in the PLL circuit. The detector outputs the frequency difference to a control circuit. The control circuit is programmed to adjust one or more control signals to the controlled oscillator based upon the frequency difference in an orderly fashion to complete the calibration process.2009-05-07
20090115537Systems and Methods for Voltage Controlled Oscillator Calibration - Various systems, methods and apparatus for calibrating a clock generating circuit are discussed herein. As one example, a method for calibrating a voltage controlled oscillator is disclosed. The method includes fixing the control voltage of a fine tune capacitor in the voltage controlled oscillator at a predetermined level. A binary search is performed in a digital circuit for a value of a calibration word that is used to enable switched capacitors in a coarse tune capacitor bank in the voltage controlled oscillator. The calibration word is fixed at the value determined by the binary search, and the control voltage of the fine tune capacitor is released to enable adjustment of the control voltage by a feedback signal to the voltage controlled oscillator.2009-05-07
20090115538Oscillator Circuit and Method for Influencing, Controlling, or Regulating the Frequency of an Oscillator - An oscillator circuit according to the invention comprises an oscillator with a toggle circuit having an output and an inverting input, whereby the output is connected to the inverting input via a feedback resistor, the inverting input is connected, for example, to the ground, via a first oscillator capacitor, and also connected, for example, to the ground, via a second oscillator capacitor and via a control resistor whose value can be adjusted or electrically controlled, so that the frequency of the oscillator can be varied by increasing or decreasing the value of the control resistor. In order to control the value of the control resistor, preferably a modulated 1-bit signal is used that is integrated by an integrator. Preferably, the oscillator is an integral part of a closed-loop control circuit in which the frequency of the oscillator forms the actual value and a predefined target frequency forms the target value.2009-05-07
20090115539INTEGRATED RC OSCILLATOR WITH HIGH FREQUENCY STABILITY, NOTABLY FOR AN INTEGRATED SWITCHED-MODE POWER SUPPLY - An integrated oscillator (2009-05-07
20090115540CONTROLLABLE OSCILLATING SYSTEM AND RELATED METHOD FOR SELECTIVELY ADJUSTING CURRENTS PASSING THROUGH CROSS-COUPLING DRIVING DEVICE - A controllable oscillating system for generating a differential oscillating signal is disclosed. The controllable oscillating system includes an oscillating circuit and a current adjusting device. The oscillating circuit includes a controllable resonator, a cross-coupling driving device, and a current source. The cross-coupling driving device is coupled to the controllable resonator and utilized for driving the controllable resonator to generate the differential oscillating signal. The current source is coupled to the cross-coupling driving device and utilized for providing a first current. The current adjusting device is coupled to the cross-coupling driving device and utilized for adjusting currents passing through the cross-coupling driving device.2009-05-07
20090115541CIRCUIT FOR PHASE LOCKED OSCILLATORS - The present invention pertains to a circuit comprising a DC current source and at least two spin torque oscillators, the at least two spin torque oscillators being electrically coupled to each other and to the DC current source. A circuit comprising phase shifting means is connected in such a way as to cause a phase shift between current and voltage through the spin torque oscillators. An advantage of the present invention is that the controlled phase shift significantly increases the tolerance for deviating anisotropy fields, which makes manufacturing of spin torque oscillator devices much more feasible in practice.2009-05-07
20090115542TEMPERATURE COMPENSATION OSCILLATOR AND METHOD FOR MANUFACTURING THE SAME - A temperature detection circuit (2009-05-07
20090115543Voltage Controlled Piezoelectric Oscillator that can be Linear Frequency Controlled - In conventional frequency control by single-direction voltage control to a variable capacitance diode, there is a limit in an amount of correction for obtaining a straight line. The variable capacitance unit that configures a voltage controlled piezoelectric oscillator comprises a first variable capacitance diode, a first condenser connected in parallel with the first variable capacitance diode, the second variable capacitance diode, a second condenser inserted and connected between a cathode of the first variable capacitance diode and an anode of the second variable capacitance diode, a third condenser inserted and connected between an anode of the first variable capacitance diode and a cathode of the second variable capacitance diode. The external control voltage is applied to the first variable capacitance diode and the second variable capacitance diode so that respective polarities thereof are reversed.2009-05-07
20090115544SYSTEMS AND METHODS FOR DQPSK MODULATOR CONTROL USING SELECTIVELY INSERTED DITHER TONE - DQPSK modulator control is provided using a single monitor photodiode with a selectively injected dither tone. The dither tone signal is sequentially injected into arm modulators and/or to a modulator driver port in time slots. A tapped signal at the output of the modulator is monitored synchronously with injected dither (I arm, Q arm, or phase modulator in third slot). The recovered dither output from a single photodiode is processed in the same sequence as the dither injection to adjust the bias to the optimal point: I-arm at the null point, Q-arm at the null point, and phase modulator at the quadrature point. This technique can be used for any control where the rate of change of the monitored condition due to systemic or environmental conditions (e.g., temperature, aging, etc.) is slow enough to allow time slot dither injection, monitor, and control.2009-05-07
20090115545Nonlinear Transmission Line Modulator - A modulator is provided that comprises a nonlinear transmission line (NLTL) that is bias modulated by a baseband signal. A given logic state of the baseband signal determines a delay amount of a first carrier signal through the NLTL. The modulator further comprises an impulse forming network (IFN) that includes a first NLTL that receives the first carrier signal delayed by the determined delay amount and a second NLTL that receives a second carrier signal having a fixed delay amount. The first NLTL and second NLTL within the IFN have opposite diode polarity configurations. The modulator further comprises a power combiner that converts a delta delay of the first carrier signal relative to the second carrier signal to a sharp impulse that represents the given logic state of the baseband signal.2009-05-07
20090115546MODULATOR COMPRISING A DUAL-FREQUENCY OSCILLATOR AND A SYNTHESIZER - Oscillators (2009-05-07
20090115547BOUNDARY ACOUSTIC WAVE FILTER - A longitudinally coupled resonator boundary acoustic wave filter device includes a piezoelectric substrate made of LiNbO2009-05-07
20090115548BALUN CIRCUIT AND INTEGRATED CIRCUIT DEVICE - A balun circuit includes a first CPW line 2009-05-07
20090115549FRONT-END CIRCUIT OF THE WIRELESS TRANSCEIVER - A front-end circuit of the wireless transceiver is disclosed to reduce the number of the pin count of the chip, and achieve the impedance matching. The circuit comprises an antenna unit, a receiver, and a transmitting block, all of which are connected together, wherein there is no switch provided between the receiver and the antenna unit, such that the loss of switch can be avoided for reducing the noise figure and improve the sensitivity of the receiving path accordingly.2009-05-07
20090115550SINGLE-POLE-DOUBLE-THROW SWITCH INTEGRATED WITH BAND PASS FILTERING FUNCTION - A single-pole-double-throw switch is provided, which is configured to be integrated with a bandpass filtering function and includes four quarter-wavelength transmission lines connected in series, five resonators connected in parallel to each other, and four transistors connected in parallel to four of the five resonators. When two of the four transistors are turned on and the others are turned off, the single-pole-double-throw switch is equivalent to a third-order quarter-wavelength short-circuited stub bandpass filter.2009-05-07
20090115551Noise filter - The invention can provide a miniaturized noise filter. The noise filter for reducing noise comprises a coil with a conductive wire (2009-05-07
20090115552PACKAGE FOR SUPPRESSING SPURIOUS RESONANCE IN AN FBAR - Disclosed is a package having a thin film bulk acoustic resonator (FBAR). The package may be utilized for suppressing spurious resonance occurred during operation of the FBAR. The package includes a negative impedance converter (NIC) operatively coupled to the FBAR through at least one interconnect. The at least one interconnect includes transmission lines and bonding wires. The package further includes a filter operatively coupled to the NIC. The filter exhibits a parallel resonance at a predefined frequency. The parallel resonance exhibited by the filter is converted to a series resonance by the NIC such that the series resonance of the NIC is responsible for suppressing the spurious resonance occurring during the operation of the FBAR.2009-05-07
20090115553TUNABLE RESONATOR USING FILM BULK ACOUSTIC RESONATOR (FBAR) - A tunable resonator is provided. The tunable resonator includes a film bulk acoustic resonator (FBAR) for performing a resonance, and at least one driver which is arranged at a side of the FBAR and is deformed and brought into contact with the FBAR by an external signal, thereby changing a resonance frequency of the FBAR. Accordingly, a multiband integration and a one-chip manufacture can be implemented simply using a micro electro mechanical system (MEMS) technology and a mass production is possible.2009-05-07
20090115554ELECTRONIC PART AND ELECTRONIC EQUIPMENT WITH ELECTRONIC PART - An electronic part, an object of which is to improve temperature characteristics and electrical properties, includes a substrate (2009-05-07
20090115555TUNABLE RESONATOR AND TUNABLE FILTER - A tunable filter is provided which includes a filter unit comprising a pair of microstrips which are disposed facing each other, a capacitor unit connected to one side of the filter unit, and an adjustment unit for regulating the length of each of the pair of microstrips to adjust inductance of the filter unit, the adjustment unit being connected to the opposite side of the filter unit. The length of the microstrips may thereby be regulated in order to vary the frequency band.2009-05-07
20090115556Divided adjustable armature for a circuit breaker - A divided armature for the trip mechanism of a circuit breaker especially useful for low trip current breakers allows for two independent adjustments: first of the magnetic air gap between the yoke and the armature and second of the clearance between the trip bar and the back plate of the armature. The divided armature allows the force of a return spring of the trip mechanism to be unchanged while adjusting the magnetic air gap to set the trip current point.2009-05-07
20090115557ELECTROMAGNETIC RELAY - An electromagnetic relay includes an electromagnetic block formed by winding a coil around an iron core and a frame shaped card. One end portion of the frame-shaped card is engaged with a movable iron piece that is rotated by being attracted to and separated from a magnetic pole portion of the iron core based on excitation and non-excitation of the electromagnetic block. The electromagnetic relay also includes a contact mechanism portion configured to be driven by the other end portion of the frame-shaped card that makes a reciprocating movement so as to open/close contacts and a pair of protrusions protrusively provided on the same shaft center inside of the one end portion of the frame-shaped card. Both side edge portions of the movable iron piece are held by the one end portion of the card and the protrusions. An adjustment opening is provided between the pair of protrusions.2009-05-07
20090115558INTERFACE SYSTEM FOR CONTROL LEVER - The invention relates to an interface system for a vehicle having a starter motor and a transmission control lever. There is a need for such an interface system which senses control lever position and prevents starter motor operation unless the control lever is in a park position. The interface system includes a plurality of magnet members generating magnetic fields, and a plurality of magnetic sensors or Hall effect switches mounted to the lever so that movement of the lever causes the magnetic sensors to move through the magnetic fields. An interface circuit is connected to the starter motor and to the magnetic sensors. The interface circuit and the sensors cooperate to generate lever position signals. The interface circuit and the sensors also cooperate to prevent activation of the starter motor unless the lever is in its park position. Thus, the same lever position sensors are used by the transmission control system and are used to control operation of the starter.2009-05-07
20090115559Inductive Component - An inductive component includes a coil former comprising connection pins, a first winding and a second winding on the coil former, and protective components comprising either a PTC element or a polyswitch. The protective components are connected directly to the coil former; and the protective components and the windings are electrically connected to the connection pins.2009-05-07
20090115560INDUCTOR/TRANSFORMER AND MANUFACTURING METHOD THEREOF - A manufacturing method for the inductor/transformer is disclosed. A simulator is used to simulate the inductance, the quality factor, and the self-resonance frequency of said inductor/transformer to generate at least one group of the area size, the number of the conductive layer, the line width, the number of turns, and/or the line space of the conductive layers and the first conductive layer; the inductor/transformer is manufactured according to the factors. Thereafter, the Monte-Carlo simulation is used to initiate the process variability analysis of the factors of the conductive layer and the first conductive layer, and the geometric size of the inductor/transformer can be modulated according to the results of the process variability analysis during the manufacturing process, such that the inductor/transformer can be manufactured by the process of the generic logic circuit.2009-05-07
20090115561PLANAR CORE STRUCTURE - Generally, a low-profile planar core structure for use in magnetic components and related processes are presented herein. More specifically, the planar core structure provides a relatively large winding area that reduces heat dissipation, reduces leakage inductance, and allows for a low-profile design. The planar core structure has a center core that is elongated along a horizontal axis. Furthermore, conductors may enter and exit the planar core structure without increasing its height.2009-05-07
20090115562SPIRAL INDUCTOR - A spiral inductor is provided. The spiral inductor includes a first spiral conductive trace with at least one turn, a second spiral conductive trace, and a connector. The first spiral conductive trace comprises an outer end and an inner end. The second spiral conductive trace surrounds a portion of the outermost turn of the first spiral conductive trace, and comprises a first end and a second end. The connector electrically connects to the inner end and the first end.2009-05-07
20090115563Laminated inductor and method of manufacture of same - A laminated inductor, in which there is extremely little tendency for cracking to occur between adjacent conductor patterns in portions of a laminate in the lamination direction even when the conductor pattern thickness is large, as well as a method of manufacturing such a laminated inductor, are provided.2009-05-07
20090115564Systems and Methods for Forming an Isolated Transformer - A transformer to isolate a primary winding from a signal winding include a primary substrate (which may comprise a printed circuit board (PCB)) and a secondary substrate. The primary and secondary substrates may each have three openings to allow first and second E-E core halves to be joined therebetween. A first insulator may be disposed between the primary and secondary substrates to isolate the primary substrate from the secondary substrate. A second insulator may secure the primary and secondary substrates in place and insulate the secondary substrate from the core. The primary and secondary substrates may each include a Faraday shield its outer layers. A shield slit to prevent shorting between the legs of the E-E core may be formed by cutting a channel in the shield between the opening of the primary and secondary substrates. A retaining clip may be used to clamp together the primary substrate, first and second core E-E core halves, secondary substrate and second insulator. A primary winding and sense winding may be disposed within the primary substrate and a signal winding may be disposed within the secondary substrate. The primary, sense, and signal windings may be positioned so that the magnetic flux produced by the primary winding passes through the signal and sense windings in substantially equal proportions. The primary and signal winding may enter the E-E core from opposite directions to choke any common mode current therebetween.2009-05-07
20090115565LIQUID METAL RELAY - A liquid metal relay includes passages formed by bonding a first substrate and a second substrate together, a liquid chamber formed in a middle of the passages, a plurality of electrodes arranged in the liquid chamber, a first gas chamber and a second gas chamber arranged to communicate with both ends of the passages, a gas sealed into the first gas chamber and the second gas chamber, and a heating section for heating the gas, a liquid metal sealed in the liquid chamber, and through electrodes led to an outside of the first substrate from the plurality of electrodes and the heating section.2009-05-07
20090115566Manually Resettable Thermostat - A manually resettable thermostat has several individual thermostats which have respective manually resettable calibration temperature stacked one above the other and formed an integrative assembly. The thermostat can apply to the thermostatic system that need several different manually resettable calibration temperatures so the space of the system is saving and the operation of the thermostat is easy.2009-05-07
200901155671200.degree.C Film Resistor - For production of a high-temperature sensor, in which a platinum resistance film is applied on a metal-oxide substrate, in particular sapphire or a ceramic plate, and a ceramic intermediate layer is laid on the resistance film, a self-supporting cover, in particular a ceramic or glass-ceramic cover, is bonded on the ceramic intermediate layer or a glass ceramic is mounted on the intermediate layer over its entire surface. Advantageously, the glass ceramic is electrically conductive or an ion conductor above 750° C. and is laid on up to the cathode of the resistance film up to beyond the intermediate layer. In particular, the cover is bonded with a metal-doped glass ceramic, which is laid on the cathode of the resistance film up to beyond the intermediate layer. Preferably, the electrically insulating intermediate layer is coated with a glass ceramic or a glass ceramic doped with metal, which coating has a resistance of at most one megaohm per square at 850° C. or above.2009-05-07
20090115568Chip Resistor and Method for Producing the Same - The chip resistor (2009-05-07
20090115569Chip Resistor - [Problem] To provide a chip resistor that is unlikely to suffer from mounting failure and capable of readily lowering its resistance.2009-05-07
20090115570DEVICE FOR ELECTRONIC ACCESS CONTROL WITH INTEGRATED SURVEILLANCE - Described is a device for electronic access control (EAC) and surveillance. The device includes an EAC module and an imager integrated in a single unit. The EAC module controls physical access through a secure portal and the imager maintains surveillance of an observation area near the portal. A data signal is provided at a data port proximate to the EAC module and imager. The data signal includes EAC data for the portal, image or video data of the observation area and optional audio data. The device can be configured to communicate with a remote server and database over an IP data network. The device can also include one or more analytical modules for real-time computation and processing of data and generation of metadata for transmission over the data network. Correlating and combining current and historical data from multiple devices results in powerful real time threat detection and forensic search capability.2009-05-07
20090115571RF PAYMENT VIA A MOBILE DEVICE - A nontraditional transaction device, for example a mobile device, may be employed to complete a transaction. The mobile device may utilize radio frequency (RF) communication and/or authentication to facilitate completion of a transaction. Secondary identification information, for example voice recognition data, biometric recognition data, or alphanumeric data, may be utilized for secondary end user authentication. For security reasons, the mobile device account data may transmitted after the secondary identification information is verified.2009-05-07
20090115572SYSTEM AND ASSOCIATED METHOD FOR TRACKING LUGGAGE DURING TRAVEL - A system for tracking luggage is provided so that a traveler may know where the luggage arrives. The system can notify the traveler of the arrival of the luggage at a destination and allows for the traveler and luggage to be reunited in quicker, more efficient manner. A method of using the system is also provided.2009-05-07
20090115573RFID ENABLED SYSTEM AND METHOD USING COMBINATION OF RFID ENABLED OBJECTS - A system for selecting digital content from at least one content source employs a plurality of RFID enabled objects that are read by one or more RFID readers. The RFID enabled objects may be, for example, RFID enabled media objects or RFID enabled non-media objects, such as any suitable RFID enabled object. Specific combinations of RFID tags and RFID enabled objects, or RFID enabled media objects provide access to more (or different) digital content than the same tags provide alone. A method includes contactlessly reading a plurality of RFID tags associated with a plurality of RFID enabled objects to obtain a plurality of RFID tag information and determining whether each of the read plurality of RFID tag information has been read within a suitable time period with respect to each other. If so, the method includes sending the read plurality of RFID tag information for receipt by a content delivery authorization unit to determine if downloadable content is available for download.2009-05-07
20090115574RADIO FREQUENCY IDENTIFICAITON TAG - A radio frequency identification tag is provided, comprising: memory, storing at least one item of specific identification data; a logic circuit, connected to the memory, comprising at least a port to receive a trigger signal from an external source, and retrieving one item of the specific identification data from the memory according to the trigger signal; and an antenna, connected to the logic circuit, transmitting the specific identification data retrieved by the logic circuit.2009-05-07
20090115575Apparatus, system for storing data, and method for accessing data directory - A storage apparatus includes a memory unit, a tag and a controller, wherein the tag is used to store a data directory and the controller is used to control the data access of the memory unit. Moreover, a storage system includes the storage apparatus and a host computer, wherein the host computer connects to the memory unit, the tag and the controller so that the host computer commands the controller to control the data access between the memory unit and host computer. Furthermore, the host computer updates the data directory of the tag in response to the updated data of the memory unit.2009-05-07
20090115576Efficient Variable Format Data Encodation in RFID Tags and Other Media - An embodiment includes a data structure embodied in a tangible computer readable medium comprising a data section encoding at least one data item and an identification map having a plurality of bits, each bit corresponding to an entry in an external table. Another embodiment includes a system of data structures embodied in a tangible computer readable medium comprising at least one data structure, each data structure encoding at least one data item and an identification map having a plurality of fields indicating the presence of a data item. Another embodiment includes a system of structures comprising a data structure including a previously encoded data item, a deletion list, and an addition list.2009-05-07
20090115577RFID TAG - An RFID tag includes: a sheet-like base; an antenna provided on the base and extending along the base; a circuit chip mounted on the base and connected to the antenna for performing radio communication through the antenna; a protection body wider than the circuit chip and narrower than the antenna, which is located at least either above the circuit chip or on a backside of the circuit chip with the base interposed therebetween for protecting the circuit chip; and a connection section provided as a portion of the antenna at a location where an edge of the protection body and the antenna intersect with each other as viewed from a direction intersecting with a surface of the base, which includes one or more conductor patterns narrower than other portion of the antenna, and which connects inner and outer antenna portions of the edge with each other.2009-05-07
20090115578RADIO FREQUENCY ANIMAL TRACKING SYSTEM - An RFID system provides a transponder having a power store that can be recharged when located within an electromagnetic field generated by a transceiver unit. The power store can be a battery and/or a capacitor. In certain embodiments, the transponder can communicate over at least two different frequencies so that the real time performance of the transponder can be improved without losing backwards compatibility. The system provides an ear tag for use on livestock with superior durability and overall performance in the field.2009-05-07
20090115579SIGNAL PROCESSING APPARATUS FOR RECEIVING RFID SIGNAL AND METHOD THEREOF - A signal processing apparatus for receiving RFID signal comprises a first low-pass filter, a first down-sampler, a first comparator and a first waveform converter. The first low-pass filter filters the RFID signal. The first down-sampler down-samples the filtered RFID signal. The first comparator generates a new signal for value determination according to the down-sampled RFID signal. The first waveform converter converts the waveform of the new signal for the following process.2009-05-07
20090115580RFID SYSTEMS AND METHODS EMPLOYING INFRARED LOCALIZATION - A series of radio frequency identification (RFID) systems are delineated. An RFID system comprises an RFID signpost having a transmitter for transmitting signals of a predefined type, and a receiver for receiving signals of the predefined type, wherein the transmitter for transmitting signals of the predefined type cannot transmit until a determination is made that the predefined type of signal is not present at the receiver. Another RFID system comprises an RFID signpost including a transmitter having a continuous power dissipation rating, and a processor for controlling the transmitter such that peak pulse power of a transmission from the transmitter multiplied by its duty cycle does not exceed the continuous power dissipation rating for the transmitter.2009-05-07
20090115581RADIO FREQUENCY IDENTIFICATION DEVICE WITH VISUAL INDICATOR - An RFID device includes a chip, an antenna operatively coupled to the chip, and a visual indicator operatively coupled to the chip. The visual indicator provides a visual indication of an operative state of the device. The visual indication may be human readable and/or machine readable, and may provide visual indication that is dependent on a change in an operative state of the device. The operative state that triggers the visual indication may include a state in which the chip has temporarily or permanently been rendered inoperative or disabled, that is, in which the chip no longer responds to, or otherwise interacts with, ordinary incoming RF signals such as from a device reader. The visual indicator may be included in a display that functions by any of a variety of suitable mechanisms, such as by use of electrochromic materials, thermochromic materials, liquid crystals, or chemically-reactive materials.2009-05-07
20090115582APPARATUS FOR RECOGNIZING RADIO FREQUENCY IDENTIFICATION (RFID) AND METHOD THEREOF, AND DATA PROCESSING METHOD OF RFID - The present invention relates to an RFID reader and a method thereof, and an RFID data processing method. The RFID reader generates a specific query message to a plurality of RFIDs, receives a first response message corresponding to the query message from at least one RFID among the RFIDs, and sequentially identifies a tag ID of a collided RFID by using a collision solving message when a collision occurs according to the result of receiving a first response message. The RFID reader can quickly and accurately identify a plurality of RFIDs since it can eliminate an unnecessary time such as excessive no response slot generation or repeated rounds through a sequential identification process for the collided RFIDs.2009-05-07
20090115583METHOD AND APPARATUS FOR DIGITAL SIGNAL INTEGRATED WITH POWER CABLE - A control system for vehicle accessories or similar items remote from the controls is connected via only the power connection to the accessories, the control signal being a pulse train impressed on the power connection. The modulation may be a frequency shift keyed waveform and each accessory may have a differing binary address train.2009-05-07
20090115584In-vehicle call apparatus - In an in-vehicle theft call apparatus, when a relevant vehicle is in a non-stopped state, an electric power supply from an in-vehicle battery is maintained to both a Cellular wireless section and a PCS wireless section. Thus, a wide range wireless communication area can be secured. In contrast, when the vehicle is in a stopped state, an electric power supply from the in-vehicle battery is maintained to only one of the Cellular wireless section and the PCS wireless section while being interrupted to the other. Thus, a communication signal can be transmitted appropriately in an event of call state; further, power consumption can be improved.2009-05-07
20090115585SECURITY ACCESS SYSTEM, APPARATUS, AND METHOD - A security access system and method is disclosed. In one embodiment, a vehicle access security system, comprising a transmitter element, a detector element, a receiver element, and a computational element is taught, wherein the transmitter element transmits a modulated vehicle access signal into a predetermined communications channel, which is detected by the detector element. The detector element is adapted to detect the modulated vehicle access signal and further adapted to have a detector output signal. The receiver element receives the detector output signal and performs at least one signal processing function, wherein the receiver element has a receiver output signal. The computational element accepts the receiver output signal and compares it to a predetermined access code to determine whether a user shall be granted access to the vehicle.2009-05-07
20090115586Multifunctional collimator indicator - The present invention relates to indication systems providing augmented visual support for the operator of a motor vehicle, vessel or an aircraft. The indication system is positioned in the location of a traditional vehicular gauge dashboard. The indication system consists of an image formulator and an optical collimator system with two visual channels. Lower channel is used for direct visual tracking of all virtual gauge readings while the upper channel is used to track updates “on the windshield” of a vehicle with the background of the surrounding environment. The lower channel displays virtual collimator imaging of the traditional analog or digital gauges as well as navigational system data. The upper channel is reflected onto the exterior background of the windshield and displays collimator imaged critical data that is required for the safe operation of a vehicle. To provide the switching functionality between the two channels, the indication system utilizes a lightproof partition. The side of the partition facing the image formulator is designed as a flat reflective mirror. In order to engage the lower channel, the partition is placed away from the optical systems for the lower channel. To provide viewing of the upper channel, the partition is positioned along the optical axis of the upper collimator lens at a given angle. To provide the function of automatic switching between the channels, the multifunctional collimator indicator is equipped with an eye position tracking system which tracks real-time position of the eye's pupil.2009-05-07
20090115587Single-Chip Microcomputer Controller for Automobile Instruments - This invention makes known by the single-chip microcomputer controller for the automobile instruments. Its characteristic is that that one port of the presetting parameters keyboard links with the master chip, another port is grounded. One port of the presetting parameters switch links with the master chip, another port is grounded. The master chip links with many signal lines to collect the analog signal, the digital signal and the switch signal. Through the above presetting, the present invention makes the automobile instruments not only adapt various car sensors, but also adapt different parameters. So the invention makes the automobile instruments adapt various cars.2009-05-07
20090115588EMERGENCY INTERVENTION SYSTEM AND APPROPRIATE METHOD FOR AUTOMATICALLY REDRESSING MALFUNCTIONS IN MEANS OF TRANSPORT - The invention proposes an emergency intervention system and a method for automatically redressing malfunctions in means of transport (2009-05-07
20090115589Method and Computer Program for Identification of Inattentiveness by the Driver of a Vehicle - A method and a computer program for identifying when the driver of a vehicle, in particular a motor vehicle, is not paying attention. In order to make it possible to make a more reliable statement on the presence of any inattentiveness by the driver, the method observes a steering action following a steering quiescent phase, in addition to detecting the steering quiescent phase. The extent of the steering quiescent phase and of the steering action found are logically linked to one another, and the result of this logical operation is then used as a measure for the severity of the inattentiveness of the driver.2009-05-07
20090115590Tyre and System for Monitoring the Tyre During the Running of a Vehicle - A method for monitoring a tyre during running includes acquiring and storing, at least temporarily, a first curve representing an acceleration profile of a first point of a tread area of the tyre; acquiring and storing, at least temporarily, at least one second curve representing an acceleration profile of a second point of the tread area; and comparing the first curve and the at least one second curve, or parameters derived from the first curve and the at least one second curve, so as to determine a dynamic behavior of the tyre. The first and second points are located substantially on a same meridian plane of the tyre. A related tyre, wheel for a vehicle, system for monitoring a tyre during running, and method for controlling a vehicle are also disclosed.2009-05-07
20090115591Tyre provided with a device for detecting at least one functional parameter of the tyre itself, and a method for detecting at least one functional parameter in a tyre - Fastened to a tyre is a detecting device consisting of a detecting unit including an antenna operatively connected to a sensor unit and a power supply unit including a piezoelectric element mounted in a housing. The piezoelectric element is disposed within the housing so as to have a first end substantially fixed to the housing and a second end associated with a loading mass, a gap being formed between at least one inner wall of the housing and an outer surface of the loading mass. The piezoelectric element is positioned substantially along a plane orthogonal to a radial direction of the tyre. An anchoring body has a base portion with a fastening surface secured to the radially internal surface of the tyre. The detecting unit is brought into engagement with the anchoring body by insertion of the inner perimetral edge of the antenna into a perimetral groove formed between the base portion and a retaining portion.2009-05-07
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