Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 09/08

20080231324 - Phase frequency detector and phase-locked loop: A phase frequency detector with two different delays is disclosed herein. The phase detector comprises a first D flip-flop, a second D flip-flop, a first delay unit and a second delay unit. The first D flip-flop receives a reference signal to output an up signal. The second D flip-flop receives... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080231325 - Method for checking the integrity of a clock tree: A method and device detect synchronization errors between logic signals of a group of logic signals. A control word is loaded into a shift register arranged in loop and clocked by resulting logic signals equal to the result of the OR logic function and to the result of the AND... Agent: Seed Intellectual Property Law Group PLLC

20080231326 - Signal conditioning for an optical encoder: An encoder with signal conditioning of an emitter drive signal is described. In one embodiment, the encoder includes a peak comparator, a pulse generator, a threshold comparator, and digital circuitry. The peak comparator outputs a peak comparator signal based on a comparison of an input sinusoidal signal stored at a... Agent: Kathy Manke Avago Technologies Limited

20080231327 - Signal transfer systems and methods: A signal transfer system. A first device operates with a first voltage and outputs a first signal and a second signal. A protection circuit receives the first and second signals and outputs the first and second signals when the first voltage is greater than or equal to a predetermined voltage,... Agent: Quintero Law Office, PC

20080231328 - Method and circuit for local clock generation and smartcard including it thereon: One delay circuit is inserted in open loop inside a clock recovery circuit for improving the accuracy of clock recovery. One oscillator signal φ(0) to φ(2i-1) is provided with a basic Step of Time. A rational number of Step of Time corresponding to a bit-duration is measured inside a received... Agent: The Jansson Firm

20080231329 - Differential signal output circuit for timing controller of display device: A differential-signal output circuit for a timing controller of a display device includes a conversion circuit, a pre-charging circuit and a timing generator. The conversion circuit is used for receiving a differential signal and outputting a current to a load circuit according to polarity of the differential signal. The pre-charging... Agent: North America Intellectual Property Corporation

20080231330 - Ramp generator and circuit pattern inspection apparatus using the same ramp generator: The present invention provides a ramp generator capable of appropriately setting a rise starting point of an output voltage of a ramp waveform and an output voltage at the time of stable output. A current adjustment unit including a differential pair of transistors and an amplifier constitute a feedback circuit.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080231331 - Spread spectrum clock generator: Disclosed are embodiments of methods and circuits to generate spread spectrum clocks.... Agent: Intel Corporation C/o Intellevate, LLC

20080231332 - Clock signal generation device, semiconductor integrated circuit, and data reproduction method: The present invention improves a lead-in time of the PLL with a phase error detector having an enlarged range of phase error detection and gain control based on the PLL synchronous state. The phase error detection range is enlarged by correcting the phase error detection point in a case where... Agent: Snell & Wilmer L.L.P. (matsushita)

20080231333 - Spread spectrum clock generator: A spread spectrum clock generator is disclosed. The spread spectrum clock generator (SSCG) bases on the structure of the phase-lock loop. The SSCG uses the voltage control oscillator with multi-phase output function for outputting clock signals of different phases. The clock signals of different phases are selectively fed back to... Agent: North America Intellectual Property Corporation

20080231334 - Clock signal transmission circuit: A clock signal transmission circuit having a variable initial value for a wait time that is required until a clock signal stabilizes. The clock signal is generated from an original clock signal. The wait time setting unit generates a plurality of wait time signals to wait until the original clock... Agent: Arent Fox LLP

20080231335 - Circuit to reduce duty cycle distortion: A method and a circuit for correcting duty cycle distortion. A delay insertion gate corrects data dependent delay distortion that is generated by CMOS flip-flop circuits. The delay insertion gate includes two field effect transistors and a current mirror. The two transistors each respectively receive an input signal from an... Agent: Honeywell International Inc.

20080231336 - Scan flip-flop circuit with extra hold time margin: The present invention is a scan flip-flop circuit with extra hold time margin. The scan flip-flop circuit includes a multiplexer, a sense amplifier and a latch. The latch includes a generation unit for generating an output signal in response to a first signal and a second signal outputted from the... Agent: Wpat, PC

20080231337 - Compact subnanosecond high voltage pulse generation system for cell electro-manipulation: Disclosed are methods and systems for subnanosecond rise time high voltage (HV) electric pulse delivery to biological loads. The system includes an imaging device and monitoring apparatus used for bio-photonic studies of pulse induced intracellular effects. The system further features custom fabricated microscope slide having micro-machined electrodes. A printed circuit... Agent: Mcdermott Will & Emery LLP Suite 3800

20080231338 - Converter systems having reduced-jitter, selectively-skewed interleaved clocks: Converter systems are disclosed that use particular combinations of fixed and variable clock skewers to generate interleaved clock signals for the systems. These combinations have been found effective in accurately generating selectively-skewed clocks while simultaneously restricting the jitter that generally accompanies the skewing process.... Agent: Koppel, Patrick & Heybl

20080231339 - Double quench circuit for an avalanche current device: A double quench circuit for an avalanche current device is provided in which the circuit includes an avalanche current device having a first terminal responsive to a bias voltage to reverse bias the avalanche current device above its avalanche breakdown voltage. A first quench circuit is responsive to the bias... Agent: Iandiorio & Teska

20080231340 - Level shift circuit: A level shift circuit includes a first capacitor circuit including capacitors connected in series between a ground and a predetermined potential, a first trigger circuit coupled to the predetermined potential side of the first capacitor circuit, an input terminal coupled to the ground side of the first capacitor circuit, a... Agent: Posz Law Group, PLC

20080231341 - Over-voltage tolerant pass-gate: A pass-gate having a single or parallel opposite polarity FETs is disclosed. The wells of the primary transistor switches are driven from circuitry that reduces over-voltage leakage and other malfunctions. A circuit that drives the wells is also used to power enable circuits that drive the gates of the pass... Agent: Cesari And Mckenna, LLP

20080231342 - Programmable calibration circuit for power supply current sensing and droop loss compensation: A circuit for regulating power is disclosed. The present invention provides circuits and methods for current sensing variations, static droop settings, mismatched phase outputs, and temperature variations in a multiphase power regulator. The circuits may include a calibration controller that senses and regulates both a current sensing circuit and the... Agent: Troutman Sanders LLP

20080231343 - Method and system for vibration sensing power management: The invention provides in one aspect a method for vibration sensing. The method comprises powering down at least one electronic component required for recording vibration data; powering down a processor used to carry out one or more steps of the method; measuring the vibration level of a machine in a... Agent: Pitts And Brittian P C

20080231344 - Power-diode driver having expansible isolated sub-drivers using single power source: A power-diode-driver uses a single power source to supply power to the sub-drivers inside. The sub-drivers are well isolated so that they can be safely and easily expanded by connecting to other device or driver. Thus, the power-diode driver has a changeable turn-on time and a highly modulated assembly. And,... Agent: Troxell Law Office PLLC

20080231345 - Silicon wafer for semiconductor with powersupply system on the backside of wafer: Disclosed is a semiconductor silicon wafer having an electric power supply affixed to the backside of the wafer. By fabricating the electric power supply onto the backside of the wafer that has been left unused, the semiconductor chip can have a self-supplied power, realizing the self-powered semiconductor chip with an... Agent: Birch Stewart Kolasch & Birch

20080231347 - Charge pump circuit: A charge pump circuit including a plurality of switches and a switch control circuit is provided. The charge pump circuit is suitable for a display panel. The switches switch from “off” state to “on” state in an enable transition, and switch from “on” state to “off” state in a disable... Agent: Jianq Chyun Intellectual Property Office

20080231346 - Charge pump circuit with dynamic curent biasing for phase locked loop: A charge pump circuit includes a first PMOS transistor, a first NMOS transistor connected with the first PMOS transistor at a CPOUT node that is configured to provide an output signal from the charge pump circuit, and a second PMOS transistor connected between a high-voltage supply terminal (VDD) and the... Agent: Xin Wen

20080231348 - Circuit for fixing peak current of an inductor and method thereof: The circuit for fixing the peak current of an inductor includes an operating current, a ramp-type boost converter and a comparator. The magnitude of the operating current is proportional to that of the voltage source of the inductor. The ramp-type boost converter is connected to the operating current. One input... Agent: Oliff & Berridge, PLC

20080231349 - Semiconductor integrated circuit and semiconductor apparatus integrally having semiconductor integrated circuit: A semiconductor integrated circuit includes a first power supply whose potential is controlled under control operation from an external control circuit, a second power supply whose potential is controlled under control operation from the external control circuit, and whose potential can be set independently of the first power supply, a... Agent: Arent Fox LLP

20080231350 - Internal voltage generating circuit for use in a semiconductor device: An internal voltage generating circuit for use in a semiconductor memory device includes a reference voltage input terminal to receive a reference voltage, a comparison unit to output a first internal voltage, the first internal voltage having a voltage level based at least in part on the reference voltage, a... Agent: Lee & Morse, P.C.

20080231351 - Voltage step-down circuit: According to an aspect of the present invention, there is provided a voltage step-down circuit including: a first NMOS connected between an external and an internal power-supply voltages through a PMOS turned ON during an active state and turned OFF during a standby state; a second NMOS connected between the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080231352 - Adjusting pll/analog supply to track cpu core supply through a voltage regulator: A processing device includes a Phase Locked Loop (PLL) system with an adjustable power supply designed to track the power supply provided to one or more of the cores in the processor device. The PLL no longer operates at a fixed voltage level that is held constant and independent from... Agent: Intel Corporation C/o Intellevate, LLC

20080231353 - Ultra fast circuitry for digital filtering: The invention includes a novel differentiator cell, a novel resample unit cell, and precision synchronization circuitry to ensure proper timing of the circuits and systems at the anticipated ultra-high speed of operation. The novel differentiator cell includes circuitry for combining a carry input signal, a data bit signal and the... Agent: Henry I. Schanzer, Esq.

20080231354 - Semiconductor device: The invention provides a semiconductor device that power is stabilized by suppressing power consumption as much as possible. The semiconductor device of the invention includes a logic portion and a memory portion each including a plurality of transistors, a detecting portion for detecting one or both of operation frequencies of... Agent: Fish & Richardson P.C.

20080224735 - Frequency synthesis rational division: A system and method are provided for synthesizing signal frequencies using rational division. The method accepts a reference frequency value and a synthesized frequency value. In response to dividing the synthesized frequency value by the reference frequency value, an integer value numerator (dp) and an integer value denominator (dq) are... Agent: Gerald W. Maliszewski

20080224737 - Current mirror circuit: Provided is a semiconductor device capable of evenly distributing an effect of charge on each gate of adjacent MOS transistors, which form a current mirror circuit, during a production process of the semiconductor device, by directly connecting the gates of the adjacent MOS transistors, which form the current mirror circuit,... Agent: Bruce L. Adams, Esq. Adams & Wilks

20080224736 - Semiconductor device supplying charging current to element to be charged: A semiconductor device supplying a charging current to a charging-target element includes: a semiconductor layer of a first conductivity type; a first semiconductor region of a second conductivity type formed on a main surface of the semiconductor layer and having a first node coupled to a first electrode of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080224738 - High-side switch with a zero-crossing detector: A circuit arrangement comprising a high-side semiconductor switch with a first load terminal connected to a first supply terminal receiving an input voltage, a second load terminal connected to an output terminal providing an output signal, and a control terminal, a floating driver circuit connected to the control terminal for... Agent: Maginot, Moore & Beck Chase Tower

20080224739 - Equalizing transceiver with reduced parasitic capacitance: A signaling circuit having reduced parasitic capacitance. The signaling circuit includes a plurality of driver circuits each having an output coupled to a first output node, and a plurality of select circuits each having an output coupled to a control input of a corresponding one of the driver circuits. Each... Agent: Deniro/rambus

20080224740 - Frequency mixer having ferromagnetic film: A frequency conversion device, which may include a radiofrequency (RF) mixer device, includes a substrate and a ferromagnetic film disposed over a surface of the substrate. An insulator is disposed over the ferromagnetic film and at least one microstrip antenna is disposed over the insulator. The ferromagnetic film provides a... Agent: VistaIPLaw Group LLP

20080224741 - Waveform generating circuit and spread spectrum clock generator: A spread spectrum clock generator is provided which improves the spread spectrum effect with little increasing the circuit cost by modifying the shape of a triangular wave used for frequency modulation by a simple method. The output signal of the modulation waveform generating circuit has such a modulation waveform as... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080224742 - Small scale clock multiplier circuit for fixed speed testing: An on-chip clock multiplier for outputting a fast clock that is approximately a predetermined multiple n of a slow clock. The multiplier utilizing a high-speed oscillator to generate a high-frequency base signal. A lower frequency signal is generated using the high-frequency base signal as a function of the output of... Agent: Downs Rachlin Martin PLLC

20080224743 - Sequence independent non-overlapping digital signal generator with programmable delay: A circuit for generating non-overlapping clock signals includes a programmable delayed reference clock signals circuit to produce a plurality of delayed reference clock signals and a plurality of delay clock signal generators, operatively connected to the programmable delayed reference clock signals circuit, to generate non-overlapping clock signals. Each delay clock... Agent: Gauthier & Connors, LLP

20080224744 - Control device, control circuit, control method, and recording medium with a control program recorded therein: The present invention provides a control device capable of performing feedback control so that a signal-wavelength input to a control target object becomes a specific signal-wavelength, using an input signal whose duty value is other than 50%. Accordingly, the control device according to the present invention is a control device... Agent: Nec Corporation Of America

20080224746 - Charge pump circuit: A charge pump circuit including an input rail, an output rail, a voltage rail, a control line, an MOS input transistor including a gate and a channel connected between the input rail and the voltage rail, and an MOS output transistor including a gate and a channel connected between the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080224745 - Phase-locked loop and compound mos capacitor thereof: Compound MOS capacitors and phase-locked loop with the compound MOS capacitors are disclosed. In the phase-locked loop, the compound MOS capacitors of the loop filter are HV (high voltage) devices, and the voltage control oscillator is a LV (low voltage) device. The compound MOS capacitor comprises a HV PMOS capacitor... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080224747 - Variable delay circuit, variable delay device, and vco circuit: Herein disclosed is a variable delay circuit, including a first delay portion that delays an input signal; an output portion; and a variable impedance portion provided coupled between the first delay portion and an the output portion.... Agent: Arent Fox LLP

20080224748 - Differential latch, differential flip-flop, lsi, differential latch configuration method, and differential flip-flop configuration method: A differential latch comprising a data holding transistor, the differential latch comprising: a resetting transistor that is connected to a gate electrode of the data holding transistor and is controlled by a reset signal; and a switching transistor that is connected to the gate electrode of the data holding transistor... Agent: Sughrue Mion, PLLC

20080224749 - System and method for providing stable control for power systems: System and method for providing stable control for power systems. According to an embodiment, the present invention provides an apparatus for providing one or more control signals for a power system. The apparatus includes an input terminal for receiving an electrical energy, which can be characterized by a first input... Agent: Jones Day

20080224750 - Digital delay architecture: A digital delay architecture and a digital delay method are provided. The digital delay architecture includes at least one shifter, at least one adder connected to the at least one shifter and a plurality of registers storing at least an output of the at least one adder and an original... Agent: Brian C. Oakes Tyco Electronics

20080224751 - Delay circuit: A delay circuit, including: a plurality of first delay units coupled in series and each configured to generate a delay time that is approximately double a unit delay time; a second delay unit configured to generate the unit delay time and coupled to a last stage of the plurality of... Agent: Arent Fox LLP

20080224753 - Clock generator circuit, clock selector circuit, and semiconductor integrated circuit: A clock generator circuit provides an output clock without an abnormal waveform pulse which causes faulty operation in other function circuits. A phase synchronizing circuit outputs a second clock synchronized with a first clock. A selector signal generator circuit outputs a switching signal when detecting the abnormal waveform pulse in... Agent: Mcginn Intellectual Property Law Group, PLLC

20080224752 - Internal clock generator, system and method: An internal clock generator, system and method of generating the internal clock are disclosed. The method comprises detecting the level of an operating voltage within the system, comparing the level of the operating voltage to a target voltage level and generating a corresponding detection signal, and selecting between a normal... Agent: Volentine & Whitt PLLC

20080224754 - High-speed serial link receiver with centrally controlled offset cancellation and method: A high-speed serial link receiver includes variable offset comparators with centrally controlled offset cancellation. The receiver includes a comparator stage to receive a high-speed differential input signal. Comparator elements of the comparator stage have first and second current sources to provide current to corresponding differential amplifier half-circuits. An offset cancellation... Agent: Schwegman, Lundberg & Woessner, P.A.

20080224755 - Level-shift circuit, electro-optical device, and level shift method: A level shift circuit that converts a level of an input signal having a logic level at a first input electric potential and a logic level at a second input electric potential and that generates an output signal having a logic level at a first output electric potential corresponding to... Agent: Oliff & Berridge, PLC

20080224756 - Digital pulse-width modulator based on non-symmetric self-oscillating circuit: A low-power digital pulse-width modulator (DPWM) architecture for high frequency dc-dc switch-mode power supplies (SMPS) is disclosed that is well-suited for integration in power management systems of small handheld devices. The DPWM can operate in a stand-alone mode, without external clock, and can be implemented on a portion of silicon... Agent: Fliesler Meyer LLP

20080224757 - Method and apparatus for reducing simultaneous switching outputs: The disclosure provides a method for reducing an amount of simultaneous switching outputs (SSO) of a device. The method of reducing the amount of simultaneous switching outputs can include driving outputs of the device to a first set of values, scrambling a second set of values to reduce an amount... Agent: Oliff & Berridge, PLC

20080224758 - Capacitive proximity switch, and domestic appliance comprising the same: A capacitive proximity switch includes an electrically conductive sensor area, which is covered by an electrically-insulating cover plate, as part of a capacitor having a capacitance which varies as a result of proximity. An associated evaluation circuit is provided, and an electrically-conducting body, via which the sensor area is connected... Agent: Lerner Greenberg Stemer LLP

20080224759 - Low noise voltage reference circuit: A low noise voltage reference circuit is described. The reference circuit utilizes a bandgap reference component and may include at least one of a current shunt or filter to reduce high and low noise contributions to the output. Further modifications may include a curvature correction component.... Agent: Wolf Greenfield & Sacks, P.C.

20080224761 - Opamp-less bandgap voltage reference with high psrr and low voltage in cmos process: A circuit includes an OPAMP-less bandgap voltage generating core circuit connected between a regulated voltage and a ground reference to generate an output bandgap voltage. A preregulator circuit generates the regulated voltage from an unregulated supply voltage. The preregulator circuit includes a negative feedback loop operable to stabilize the regulated... Agent: Stmicroelectronics, Inc.

20080224760 - Reference voltage generator and integrated circuit including a reference voltage generator: A reference voltage generator and an integrated circuit including the reference voltage generator. The reference voltage generator includes a band gap reference circuit and a start-up circuit. The band gap reference circuit provides a reference voltage to a load. The start-up circuit increases the provided reference voltage by providing a... Agent: Marger Johnson & Mccollom, P.C.

20080224762 - Noise reduction for switched capacitor assemblies: An integrated circuit comprises an assembly of switched capacitors operated under control of a system clock signal. It further comprises a signal driver for generating a binary output signal at an output pad. The system clock signal is suppressed for a certain time period after each transition of the output... Agent: Richard F. Jaworski Cooper And Dunham LLP

20080224763 - Transferred-impedance filtering in rf receivers: The specification and drawings present a new method and apparatus for using transferred-impedance filtering in RF (radio frequency) receivers (e.g., inside of a mobile communication device), wherein said filtering can be done with MOS-switches transferring impedance of a regular RC or RCL circuit to RF frequency filtering inside an RFIC... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080224764 - Switched capacitor notch filter circuits: Switched capacitor notch filter circuits are disclosed. An example switched capacitor notch filter circuit described herein includes a switched capacitor amplifier to receive an input signal and a first feedback signal, to amplify the input signal and the first feedback signal, and to output an output signal, a first integrator... Agent: Texas Instruments Incorporated

20080218216 - Metastable-resistant phase comparing circuit: A phase comparing circuit includes a first storage circuit for reading an external clock signal based on a control clock signal; first and second inverters for inverting a signal from the first storage circuit based respectively on first and second threshold levels; third and fourth inverters for inverting respective signals... Agent: Mcginn Intellectual Property Law Group, Pllc

20080218217 - Semiconductor integrated circuit device: High precision of various feedback systems represented by a PLL circuit and the like is realized. For example, in a charge pump circuit in the PLL circuit, a first to a third PMOS transistors connected in series in three stages are provided between a power source voltage and an output... Agent: Stanley P. Fisher Reed Smith LLP

20080218218 - Potential comparator and test apparatus: The potential comparator includes input wires 3 and 4 that input a differential signal output from a test object 2, a high-threshold side divided-voltage generating section 5 that acquires the differential signal from each of the input wires 3 and 4 and generates and outputs the first divided voltage and... Agent: Jianq Chyun Intellectual Property Office

20080218219 - Comparator and image display system: A comparator for comparing a reference signal with a data signal includes a voltage boosting circuit, a first logic inverting circuit and a second logic inverting circuit. The voltage boosting circuit receives the reference signal to hold a voltage difference during a first time, and receives the data signal to... Agent: Birch Stewart Kolasch & Birch

20080218220 - Signal converting apparatus: A signal converting apparatus includes the following elements. A converting section converts an input signal into output signals on the basis of the values of reference parameters, serving as references of a plurality of parameters for signal conversion, and the values of newly proposed parameters. An evaluation input receiving section... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080218221 - Analog source driving apparatus: An analog source driving apparatus including an operational amplifier, a first resistor, a second resistor, a variable gain unit and a source driver is provided. A constant gain amplifier is composed with the operational amplifier, the first resistor, and the second resistor, wherein the first resistor is coupled between the... Agent: Jianq Chyun Intellectual Property Office

20080218222 - Circuit and method for current-mode output driver with pre-emphasis: An output driver circuit including a pre-driver stage that receives a first data signal, the pre-driver stage including a plurality of first differential pairs that perform current subtraction to output a second data signal based on the first data signal, and an output driver stage electrically coupled to the pre-driver... Agent: Oliff & Berridge, Plc

20080218223 - Power on detection circuit: A power on detection circuit for accurately detecting an input voltage with a simple circuit structure and reduced current consumption includes a voltage conversion circuit, which converts input voltage into current, and a latch circuit, which holds the power on detection signal. The voltage conversion circuit supplies output current to... Agent: Freescale Semiconductor, Inc. Law Department

20080218224 - Semiconductor integrated circuit: The present invention is directed to assure an initial state of a circuit until a power supply voltage is stabilized at the time of power-on and to prevent an output circuit of an external input/output buffer circuit from performing erroneous operation at the time of setting a predetermined register value... Agent: Miles & Stockbridge Pc

20080218225 - Semiconductor device and communication control method: The present invention relates to a technique capable of establishing communications between cores, which can provide a large degree of freedom of clock frequencies settable in each core, and thus providing deterministic operation, small communication latency, and high reliability. An object of the present invention is to provide a semiconductor... Agent: Dickstein Shapiro LLP

20080218226 - Circuits and apparatus to implement digital phase locked loops: Circuits and apparatus to implement digital phase locked loops are disclosed. A disclosed example digital phase locked loop circuit comprises a phase detector to detect a phase difference between a reference signal and a feedback signal, a time digitizer to convert the phase difference to a digital value, and an... Agent: Texas Instruments Incorporated

20080218227 - Semiconductor memory apparatus: In order to provide a semiconductor memory apparatus which can adjust the locked loop circuit such as a DLL in detail after producing the semiconductor memory apparatus, and moreover, which can adjust the locked loop circuit by using a measuring apparatus which has a low testing frequency, an exclusive-OR circuit... Agent: Foley And Lardner LLP Suite 500

20080218229 - Adjustment of pll bandwidth for jitter control using feedback circuitry: Jitter method and control circuit for a circuit block in a transceiver system having a phase lock loop circuit which includes an oscillator, a charge pump connected to the oscillator to add or subtract charge to or from said oscillator, and a low pass filter connected to said charge pump... Agent: Driggs, Hogg, Daugherty & Del Zoppo Co., L.p.a.

20080218228 - Symmetrical time/voltage conversion circuit: The invention relates to a time/voltage conversion circuit, comprising two simple time/voltage converters (CTT1 and CTT2), which are structurally-identical to each other, each having an input receiving a respective logic control signal (Up and Dwn) and an output providing a corresponding voltage representative of the duration of the logic control... Agent: Brinks Hofer Gilson & Lione

20080218230 - Clock test apparatus and method for semiconductor integrated circuit: A clock test apparatus for a semiconductor integrated circuit includes a delay unit configured to delay an internal clock signal. A comparison unit compares the phase of an output signal of the delay unit with the phase of a reference clock signal. A phase discrimination unit receives a test mode... Agent: Baker & Mckenzie LLP Patent Department

20080218231 - Multiple output time-to-digital converter: A differential line compensation apparatus, semiconductor chip and system are disclosed.... Agent: Infineon Technologies Ag Patent Department

20080218232 - Timing controller, display device including timing controller, and signal generation method used by display device: A display device includes a timing controller and a display unit. The timing controller receives an external clock signal, reads signal generation information, and generates and outputs an internal clock signal based on the read signal generation information. The display unit receives the internal clock signal and displays an image.... Agent: Frank Chau, Esq. F. Chau & Associates, Llc

20080218233 - Master-slave type flip-flop circuit and latch circuit: A clock input circuit 13 receives power during standby mode and comprises a NAND circuit NAND0 that controls a clock signal CK using a standby mode signal RET. When the standby mode signal RET is at a low level (in standby mode) clock signals C01 and C02 are kept at... Agent: Mcginn Intellectual Property Law Group, Pllc

20080218234 - low power flip-flop circuit: A flip-flop circuit having low power consumption includes a sensing circuit, and a clock generating circuit. The flip-flop is leading edge triggered and operates on an internally generated pseudo clock signal. The sensing circuit senses a change in an input signal and an output signal of the flip-flop. The clock... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080218235 - Semiconductor integrated circuit with flip-flop circuits mounted thereon: A plurality of flip-flop circuits, having different circuit configurations, which perform an identical digital signal processing are mixed on a single semiconductor substrate. A first flip-flop circuit among the plurality of flip-flop circuits receives a clock signal supplied from outside the flip-flop circuits, through at least two stage inverters, and... Agent: Ditthavong Mori & Steiner, P.c.

20080218236 - Delay circuit: A delay circuit (12) includes a resistor (R1), a capacitor (C), and a discharging circuit (14). The discharging circuit includes a PNP transistor (Q1) and an NPN transistor (Q2). The capacitor has one terminal connected to one terminal of the resistor, and the other terminal connected to ground. The PNP... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080218237 - Multi-level multi-pin differential interface: A digital interface system that includes a first circuit that transmits a set of voltage levels and a second circuit that receives the set of voltage levels and generates a set of voltage differential levels based on the set of voltage levels. The set of voltage differential levels corresponds to... Agent: Brinks Hofer Gilson & Lione/marvell

20080218238 - Input signal detecting circuit: An input signal detecting circuit includes a plurality of comparators configured to output a plurality of differential output signals in response to a differential input signal, respectively; and a differential exclusive OR circuit configured to output an exclusive OR resultant signal from the plurality of differential output signals outputted from... Agent: Mcginn Intellectual Property Law Group, Pllc

20080218239 - Interface circuit and signal output adjusting method: The problem to be solved by of this claimed application is solved by providing an interface circuit and a signal output adjusting method that are capable of adjusting amplitude of a transmission-side signal by taking attenuation of a transmission path into consideration. In a transmission-side circuit part of an interface... Agent: Foley And Lardner LLP Suite 500

20080218240 - Current control circuit used for voltage booster circuit: When a low level voltage is inputted to an input terminal IN, a transistor EF1 enters a blocked state, a first switch circuit SW1 enters a conduction state, and a second switch circuit SW2 enters the blocked state. Accordingly, a boosted voltage outputted from a voltage booster circuit CP is... Agent: Mcdermott Will & Emery LLP

20080218241 - Differential output circuit with reduced differential output variation: In a differential output circuit, a second amplifier has a positive terminal connected to a second fixed potential and a negative terminal to a fifth switch at a first terminal. First and second switches are connected at a point connected to the fifth switch at a second terminal and to... Agent: Mcdermott Will & Emery LLP

20080218242 - Output signal switching device: An output signal switching device includes a switching unit connected to a base board and a detection resistor. The voltage of the detection resistor is set to be constant by a resistor. The expansion board includes the detection resistor. When being connected to the expansion board, the switching unit interrupts... Agent: Amin, Turocy & Calvin, LLP

20080218243 - Semiconductor switching circuit and semiconductor integrated-device: There is provided a switching circuit including, a semiconductor switching circuit comprising, a transistor, a first electrode of the transistor being connected to an electrical source via a load, a second electrode of the transistor being connected to a standard potential, a driving circuit outputting a signal to a control... Agent: Amin, Turocy & Calvin, LLP

20080218244 - Analog switch: An analog switch comprises a first transistor, a second transistor, the drain and the source thereof being connected between said first input terminal and a second output terminal whereto said second signal is output and the gate thereof being grounded or connected to a supply voltage node, a third transistor,... Agent: Hanify & King Professional Corporation

20080218245 - Solid-state switch: A solid state switch that employs a controller driven input and MOSFET power switching devices is disclosed. The controller can test for a short-circuit on the load side of the MOSFET power switching devices before putting the switch in a sustained conductive state.... Agent: Vincent Patent Agency

20080218246 - Relay connector unit and electronic device control system: A relay connector unit for communicating an electronic control unit with a plurality of electronic devices includes: a first connecting unit connected to the electronic control unit; a second connecting unit having a plurality of circuits connected to the electronic devices respectively; and a transferring unit connected to the first... Agent: Sughrue-265550

20080218248 - Circuit for adjusting reference voltage using fuse trimming: A binary bidirectional trimming circuit is disclosed. The trimming circuit includes: a first resistor set having 4 resistors in parallel connected and a first fuse bridged two ends thereto provide one trimming step; a second resistor set having 2 resistors in series connected and a second fuse bridged two ends... Agent: Sinorica, Llc

20080218247 - Method for automatically adjusting electrical fuse programming voltage: The present invention provides a circuit for determining the optimal gate voltage for programming transistors. The determination of the optimal voltage compensates for the variations in the programming current due to process variations in manufacturing or due to ambient conditions. By applying the optimal gate voltage thus determined to the... Agent: Scully, Scott, Murphy & Presser, P.c.

20080218249 - Semiconductor device and trimming method therefor: Provided is a semiconductor device including a divisional resistor having a fuse, and a divisional resistor for measuring relative accuracy which is obtained by eliminating the fuse from the divisional resistor having the fuse. Characteristic values of the divisional resistor for measuring relative accuracy are measured so as to obtain... Agent: Bruce L. Adams, Esq Adams & Wilks

20080218250 - Charge pump circuit: In a charge pump circuit provided with a positive electric potential generating charge pump circuit that generates a positive electric potential and a negative electric potential generating charge pump circuit that generates a negative electric potential, a parasitic bipolar transistor is prevented from turning on so that the charge pump... Agent: Morrison & Foerster LLP

20080218251 - Plasma television set and power supply circuit: A plasma television set includes a detection disabling circuit including a dividing resistance having one of two ends to which a constant voltage is supplied from an outside of the sustain voltage generation circuit and the other end which is grounded, the dividing resistance having a dividing point, and a... Agent: Yokoi & Co., U.s.a., Inc.

20080218252 - Voltage regulator outputting positive and negative voltages with the same offsets: A voltage regulator has a first charge circuit, a second charge circuit, and a control circuit. The control circuit has five input terminals and two output terminals. The five input terminals are respectively coupled to a reference voltage, a first voltage source, a second voltage source, an output terminal of... Agent: North America Intellectual Property Corporation

20080218253 - Low power voltage reference: A voltage reference includes a first cell configured to receive a first proportional to absolute temperature (PTAT) current and a second cell configured to receive a second PTAT current. The first cell includes a diode-connected stack of insulated-gate field-effect transistors (IGFETs). The diode-connected stack of IGFETs includes a first transistor... Agent: Dillon & Yudell LLP

20080218255 - Filter characteristic adjusting apparatus and filter characteristic adjusting method: There is provided a filter characteristic adjusting apparatus and a filter characteristic adjusting method which can avoid an increase in circuit scale of the filter characteristic adjusting apparatus, and can speedily adjust a characteristic frequency of the filter to a desired frequency. When performing characteristic adjustment for the filter, the... Agent: Steptoe & Johnson LLP

20080218254 - Reduced jitter amplification methods and apparatuses: Apparatuses, circuits, and methods to amplify signals with reduced jitter are disclosed. Embodiments generally comprise amplifiers coupled with apparatuses that adjust peak frequencies of the amplifiers to reduce jitter. In many system and apparatus embodiments, the frequency gain boosters receive one or more feedback signals derived from input signals applied... Agent: Schubert, Osterrieder & Nickelson, Pllc C/o Intellevate, Llc

20080218256 - Channel filtering in radio communications systems: The effective frequency response overlap of first and second filter networks produces a composite band-pass filter response which is highly selective by nature and is determined only by the steep band edge transition region of the individual filter networks. The maximum pass-band of the first and second filter networks can... Agent: Buchanan, Ingersoll & Rooney Pc

20080218257 - Distributed track-and-hold amplifier: An apparatus includes an analog input buffer having one or more inputs and one or more outputs, a plurality of differential track-and-hold stages, one or more input transmission lines, and one or more output transmission lines. Each track-and-hold stage has one or more inputs and one or more outputs. The... Agent: Lucent Technologies Inc.

20080211544 - Peak voltage detector circuit and binarizing circuit including the same circuit: A peak voltage detector circuit detects a peak voltage of an input voltage. The input voltage is input into a first input terminal of a comparator. A counter circuit counts up a counter value in synchronization with a first clock signal, when a signal output from the comparator is in... Agent: Posz Law Group, PLC

20080211545 - Sample-and-hold apparatus and operating method thereof: A sample-and-hold apparatus and an operating method thereof are provided. The sample-and-hold apparatus includes a sampling amplifier, a transistor, a first switch, a second switch, a sampling capacitor, and a drain-charge unit. A first input terminal of the sampling amplifier receives an input signal. A first-terminal of the transistor is... Agent: Jianq Chyun Intellectual Property Office

20080211546 - Integrated driver circuit for a lin bus: An integrated driver circuit is provided for a LIN bus comprises a first input terminal, a second input terminal, and an output terminal, which is to be connected to a bus line of the LIN bus and at which an output data signal, dependent on an input data signal, is... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080211547 - Inverter citcuit: An inverter circuit includes an IGBT (3) and an IGBT (4) connected in series between a power supply potential (Vcc) and a GND potential, and an HVIC (1) and an LVIC (2) for respectively controlling actuation of the IGBTs (3) and (4). The inverter circuit also includes a capacitor (5),... Agent: Mcdermott Will & Emery LLP

20080211548 - Semiconductor integrated circuit controlling output impedance and slew rate: The present invention provides a semiconductor integrated circuit that can perform impedance control and slew rate control independently of each other and simplify the structure of a control circuit. An output circuit comprising plural output MOSFETs connected in parallel is used, from among the plural output MOSFETs, the number of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080211549 - Fast pulse generator: A pulse generator including a pulsed switch (12), for example a diode, connected between an input source (14), such as an oscillator, and a frequency multiplier (16).... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20080211550 - Noise reduced pwm driver: A PWM driver for driving an electric device by a PWM signal includes an ECU that provides a command signal, first circuit that provides a carrier signal of a triangular shape having a preset frequency, a second circuit that forms a PWM signal having a duty ratio formed based on... Agent: Posz Law Group, PLC

20080211551 - Semiconductor memory device: A semiconductor memory device performs a reset operation at a wafer state by using a signal input through an address pin in a test mode. The semiconductor memory device includes a buffer for transferring a reset command in response to a reset-active signal and a test reset signal, a test-reset... Agent: Mcdermott Will & Emery LLP

20080211552 - Controllable synchronous rectifier: The present controllable synchronous rectifier employs a Lus semiconductor to set synchronous rectification action in quadrant 1 of output characteristics of the conventional power MOSFETs. By controlling the voltage level of the gate-source voltage, the drain current can be controlled in the synchronous rectifier. Further, in combination with a protect... Agent: Chao-cheng Lu No.4-4, Alley 27, Lane 143

20080211555 - Delay locked loop in semiconductor memory device: A delayed lock loop for preventing a stuck fail in a dead-zone includes a clock buffering block for generating a first and a second internal clock signals; a phase comparison block for delaying a feedback signal by a first predetermined value and for respectively comparing a phase of a delayed... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080211553 - Delay locked loop in semiconductor memory device and method for generating divided clock therein: Provided are a delay locked loop (DLL) and a method for generating a divided clock therein. In the DLL, a width of a reference frequency for phase comparison can be changed depending on a magnitude of an operating frequency. In the DLL, a clock buffer receives a clock equal to... Agent: Mcdermott Will & Emery LLP

20080211554 - Time delay compensation circuit comprising delay cells having various unit time delays: A time delay compensation circuit comprises delay cells having various unit time delays. A delay-locked loop, a type of the time delay compensation circuit, includes a phase detector, a delay line, and a filter unit. The phase detector compares the phase of the external clock signal with that of the... Agent: F. Chau & Associates, LLC

20080211556 - Semiconductor integrated circuit: A delay clock circuit for delaying an input clock signal includes cascade connection of components each comprising first and second inverters. A delay clock control circuit is operated so that a through current can pass through a connection node between the first and second inverters for causing charge competition for... Agent: Mcdermott Will & Emery LLP

20080211557 - System and method for controlling timing of output signals: The timing of output signals can be controlled by coupling a digital signal through a signal distribution tree having a plurality of branches extending from an input node to respective clock inputs of a plurality of latches. A phase interpolator is included in a signal path common to all of... Agent: Edward W. Bulchis, Esq. Dorsey & Whitney LLP

20080211558 - Structure for radiation hardened programmable phase frequency divider circuit: A design structure embodied in a machine readable medium includes information for designing, manufacturing and/or testing a programmable phase frequency divider circuit implemented in CMOS technology for space applications. The programmable phase frequency divider consists of three radiation hardened D-type flip flops and combinational logic circuits to provide the feedback... Agent: Ibm Corporation

20080211559 - Data holding circuit and signal processing circuit: A data holding circuit is capable of latching an input signal at both a rising edge and a falling edge of a clock signal. Several flip-flops and exclusive OR circuits cooperate to achieve this function.... Agent: Birch Stewart Kolasch & Birch

20080211560 - Clock generator and associated self-test and switching-control method: A clock generator with extended tuning range and associated method is provided. The associated self-test and switching-control method includes steps of generating a primary clock signal by a phase-locked loop circuit; determining a frequency limit of the primary clock signal; and determining a frequency-dividing condition of the frequency-dividing module according... Agent: Kirton And Mcconkie

20080211561 - Clock signal generation circuit and semiconductor device: The semiconductor device is provided with a clock signal generation circuit that includes a reference clock signal generation circuit which generates a first reference clock signal, a first counter circuit which counts the number of rising edges of the first reference clock signal by using the first reference clock signal... Agent: Cook, Alex, Mcfarron, Manzo, Cummings & Mehler, Ltd.

20080211562 - Method and device for generating a clock signal: A method and device for generating a clock signal, the method including measuring, using a first clock signal, a characteristic of a reference event in a received signal, determining, using the first clock signal, a variation of a characteristic of a second event in a received signal, correcting the measurement... Agent: Seed Intellectual Property Law Group PLLC

20080211563 - Interface circuit, power conversion device, and vehicle-mounted electric machinery system: An interface circuit capable of reliably transmitting signal even when there is fluctuation in the potential difference in reference potentials between circuits between which signal transmission is carried out. An interface circuit 4 is comprised of a level shift circuit 20 and a potential selection circuit 10 for selecting the... Agent: Crowell & Moring LLP Intellectual Property Group

20080211564 - Signal input circuit: A circuit for breaking a signal path has not only a switching means but also a low-pass or bandpass filter whose frequency characteristic is switchable or bypassable. The insulation between the input and the output when the switching means is open, which decreases with frequency in the case of ordinary... Agent: Joseph J. Laks Thomson Licensing LLC

20080211565 - Mute circuit: AnNchMOS transistor (1) is provided for muting of an output terminal (10) to which positive and negative output signals are outputted, and a mute switch circuit (3) is provided for controlling on/off of the transistor (1) by switching a voltage applied to the gate of the transistor (1). When muting... Agent: Steptoe & Johnson LLP

20080211566 - Apparatus for driving a load: An apparatus for driving a load that may include, for instance, a semiconductor chip, comprising a first switch, and a fracture sensor. The apparatus may further include, for instance, a circuit disposed outside the semiconductor chip and comprising a second switch coupled in series with the first switch, and configured... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20080211567 - Bidirectional switch and method for driving the same: A bidirectional switch includes a field-effect transistor having a first ohmic electrode, a second ohmic electrode and a gate electrode, and a control circuit for controlling between a conduction state and a cut-off state by applying a bias voltage to the gate electrode. The control circuit applies the bias voltage... Agent: Mcdermott Will & Emery LLP

20080211568 - Mugfet power switch: A multi-gate field effect transistor power switch is used to selectively couple a circuit to a supply voltage. In various embodiments, both n and p-type multi-gate field effect transistor power switches may be used to couple sub-circuits of varying granularity to different voltage supplies.... Agent: Schwegman, Lundberg & Woessner / Infineon

20080211569 - Higher voltage switch based on a standard process: A higher voltage switching circuit based on a standard process limits the lowest applied voltage to an intermediate voltage between the higher voltage and ground, instead of ground. In this way, the maximum electric field across the gate dielectric is greatly reduced. In additional the use of p-type triple well... Agent: Trop Pruner & Hu, PC

20080211570 - Systems, methods, and integrated circuits with inrush-limited power islands: A new approach for managing turn-on of power islands uses a precharge phase to begin the process of bringing up the island's internal supply voltage, while minimizing transients and associated power-control-logic instability.... Agent: Brinks Hofer Gilson & Lione/sandisk

20080211571 - Device for passive stabilization of supply voltages of a semiconductor element: In a device for passive stabilization of voltage supplies of a semiconductor element, regions made of a second conductivity type are embedded in a first layer of a first conductivity type within lateral regions, which are used for the wiring of standard cells of components. Barrier layers whose capacitances are... Agent: Kenyon & Kenyon LLP

20080211572 - Reference voltage generating circuit and semiconductor integrated circuit device: A reference voltage generating circuit comprises: a monitor circuit, including a low threshold voltage PMOS transistor, a low threshold voltage NMOS transistor, and a resistor having a predetermined resistance which are connected in series, for generating a reference voltage at one end; and an additional circuit for supplying a monitor... Agent: Young & Thompson

20080211573 - Tunable balanced loss compensation in an electronic filter: The invention provides a system for providing tunable balanced loss compensation in an electronic filter. Tunable balanced loss compensation is provided by using cross-connected balanced transconductors and self-connected balanced transconductors. The cross-connected balanced transconductors and the self-connected transconductors compensate the unbalanced loss across the electronic filter. The self-connected balanced transconductors... Agent: William L. Botjer