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Miscellaneous active electrical nonlinear devices, circuits, and systems January recently filed with US Patent Office 01/09

20090027086 - Comparator and method with controllable threshold and hysteresis: A comparator (12A,12B) includes a first differential input stage (10) including first (MN2) and second (MN3) input transistors and a load (MP9,MP10), the first input transistor (MN2) having a gate, source, and drain coupled to a first input voltage (Vin−), a first tail current source, and the load, respectively. The... Agent: Texas Instruments Incorporated

20090027087 - Low power voltage detection circuit and method therefor: In one embodiment, a low power voltage detection circuit includes a first voltage detection device that receives power from an input voltage and a second voltage detection device receives power from an output of the low power voltage detection circuit.... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20090027088 - High resolution time detecting apparatus using interpolation and time detecting method using the same: A high resolution time detecting apparatus using interpolation and a time detecting method using the same are provided. The time detecting apparatus includes a delayer which generates delayed signals by sequentially delaying a reference signal using a plurality of delay elements, a latch unit which outputs latch signals using the... Agent: Sughrue Mion, PLLC

20090027090 - Current mode memory apparatus, systems, and methods: Some embodiments include a first circuit to receive input signals and to drive signals at first circuit output nodes, and a second circuit to receive at least a portion of current passing through the first circuit output nodes and to generate output signals at second circuit output nodes, the second... Agent: Schwegman, Lundberg & Woessner, P.A.

20090027089 - Driver circuit; electronic circuit having driver circuit and corresponding method: A driver circuit includes an output, at least one transistor including a load section coupled between the output and a supply voltage, and a circuit coupled to a control terminal of the at least one transistor to apply a control voltage to the control terminal in at least one operation... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20090027091 - Clock frequency dividing circuit: A first frequency dividing circuit and a second frequency dividing circuit are provided, and these circuits frequency-divide two-phase external clocks injected from an external part, to output four-phase clocks with phase guarantee. Each of the frequency dividing circuits includes a mixer, an adding circuit, and a phase circuit. The first... Agent: Arent Fox LLP

20090027092 - Method and apparatus for producing clean, undistorted variable voltage 50 - 60 hz sine wave: The invention is directed to a solid-state replacement for a variable transformer. The circuit arrangement presented is not placed in series with the load. It can change output voltage quickly, and is able to deliver more current to the load than is drawn from the source while stepping down because... Agent: Smith, Gambrell & Russell

20090027093 - Sampling circuit and method: A sampling circuit for sampling an input data to obtain an output data includes a delay control unit, a first sampling unit, a second sampling unit, and a processing unit. The delay control unit delays a sampling signal for a first delay time to generate a first delayed signal, and... Agent: North America Intellectual Property Corporation

20090027094 - Trimmable delay locked loop circuitry with improved initialization characteristics: Disclosed herein is improved delay locked loop (DLL) initialization circuitry that alters the measurement used to initialize the variable delay line's delay (e.g., entry point or exit point) by using three clock phases: the DLL reference clock (input to the delay line), the reference clock as trimmed by a delay... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090027095 - Threshold correction circuit, integrated circuit with threshold correction function, and circuit board with threshold correction function: In order to monitor various types of noises which are to be introduced on signals through signal lines on a circuit board and automatically adjust the thresholds for signal state discriminations to make it possible to surely make a signal state discrimination without being affected by these noises even if... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090027096 - Dc brushed motor drive with circuit to reduce di/dt and emi, for mosfet vth detection, voltage source detection, and overpower protection: A gate driver for performing gate shaping on a first transistor of having gate, source, and drain terminals, the first transistor being selected from a switching stage of a power switching circuit having high- and low-side transistors series connected at a switching node for driving a load. The gate driver... Agent: Ostrolenk Faber Gerb & Soffen

20090027097 - Semiconductor integrated circuit device: In a low power consumption mode in which prior data is retained upon power shutdown, the return speed thereof is increased. While use of an existent data retaining flip-flop may be considered, this is not preferred since it increases area overhead such as enlargement of the size of a cell.... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090027098 - Phase shift circuit with lower intrinsic delay: A phase shift circuit that includes two, rather than four, delay chains and corresponding selectors is described. This provides a significant area savings and reduces the intrinsic delay of the phase shift circuit, which is particularly beneficial for embodiments in which there is no intrinsic delay matching. In one specific... Agent: Mauriel Kapouytian & Treffert LLP

20090027099 - Output driver circuit having a clamped mode and an operating mode: An output driver circuit 18 is provided having an operating mode in which the output signal has a variable level dependent upon an input signal and a clamping mode in which the output signal is clamped to a fixed level. The output driver circuit includes a control circuit 20 and... Agent: Nixon & Vanderhye P.C.

20090027101 - Level shift circuit: The present invention provides a level shift circuit that can reliably cut off the path of a through current regardless of the state of supply of power to plural circuit sections that operate by different power supplies. The level shift circuit is provided with an input circuit section that operates... Agent: Studebaker & Brackett PC

20090027100 - Level shifter and flat panel display using the same: A level shifter for a flat panel display device includes: first and second transistors that are different type transistors and serially coupled between first and second power supplies, the second power supply for supplying a lower voltage power than the first power supply; a first capacitor between gate electrodes of... Agent: Christie, Parker & Hale, LLP

20090027102 - Low-leakage level-shifters with supply detection: Low-leakage level-shifters with reduced leakage are disclosed. In one example, a level-shifter circuit to reduce leakage when there is an invalid supply voltage is described, including a level-shifter configured to shift a voltage of an digital input signal based on a first supply voltage to a digital output signal based... Agent: Texas Instruments Incorporated

20090027104 - Methods and apparatus for predictable level shifter power-up state: In one aspect, a level shifter for shifting a voltage level from a first voltage level to a second voltage level and having a predictable power-up state is provided. The level shifter comprises a first input and a second input forming a differential input to receive signals at the first... Agent: Wolf Greenfield & Sacks, P.C.

20090027103 - Semiconductor integrated circuit: A semiconductor integrated circuit capable of maintaining characteristics of transistors in a circuit including a plurality of cascade connected transistors. The circuit includes an inverter which has a series connection of P-MOS transistors and a pair of N-MOS transistors. The P-MOS transistor is connected to a high potential source VH... Agent: Venable LLP

20090027105 - Voltage divider and internal supply voltage generation circuit including the same: In a voltage divider and an internal supply voltage generation circuit, the voltage divider includes a first transistor having a resistance value that varies in proportion to a change in temperature; and a second transistor having a resistance value that varies in inverse proportion to the change in temperature.... Agent: Mills & Onello LLP

20090027106 - Substantially zero temperature coefficient bias generator: In an embodiment, a bias generator circuit comprises a first circuit and a second circuit. The first circuit includes a first input coupled to a voltage source and a first output that provides a first output current having a substantially non-zero temperature coefficient. The first circuit comprises a first transistor... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090027107 - Semiconductor device and offset voltage adjusting method: A semiconductor device includes a fuse section having a plurality of fuse circuits configured to generate switch control signals; and an offset adjusting section configured to adjust an offset voltage of a differential amplifier based on the switch control signals supplied from output nodes of the plurality of fuse circuits.... Agent: Young & Thompson

20090027109 - Charge pump circuit with bipolar output: A charge pump circuit with bipolar output comprises a first set of switch device capable of selectively connecting two terminals of a first transfer capacitor to a voltage source and a ground terminal, respectively, a second set of switch device capable of selectively connecting the two terminals of the first... Agent: Sinorica, LLC

20090027108 - Multiple-stage charge pump circuit with charge recycle circuit: A multiple-stage charge pump circuit includes first and second pump capacitors, a charge recycle circuit, and first and second transfer circuits. The charge recycle circuit includes first and second driving circuits and a switch circuit turning off to make a node floating and to couple first terminals of the first... Agent: Bacon & Thomas, PLLC

20090027111 - alternating current level detection circuit: A detection circuit includes a current source with no temperature coefficient; a current generation circuit that generates a VBE proportional reference current from the current source with no temperature coefficient; a current mirror circuit that returns an output current of the current generation circuit; a reference voltage generation circuit that... Agent: Amin, Turocy & Calvin, LLP

20090027110 - High voltage generator: A high voltage generator includes a charge pump configured to output a pumping voltage in accordance with a first clock signal and a second clock signal having a level opposed to a level of the first clock signal; a first regulator configured to stabilize the pumping voltage to a voltage... Agent: Townsend And Townsend And Crew, LLP

20090027112 - Controllable precision transconductance: Techniques for providing precise transconductance values are disclosed. For instance, an apparatus includes a slave transconductance cell and a control loop. The control loop provides a tuning voltage to the slave transconductance cell. Moreover, the control loop includes a master transconductance cell that generates a master output current, and a... Agent: Tyco Technology Resources

20090027113 - Reference voltage generating circuit and offset-compensated current-voltage converting circuit using the same: There is provided a reference voltage generating circuit generating a reference voltage to be applied to a current-to-voltage converting circuit in order to compensate for an offset voltage of the current-to-voltage converting circuit converting an input current into a voltage and outputting the voltage, the reference voltage generating circuit including:... Agent: Lowe Hauptman Ham & Berner, LLP

20090027114 - Semiconductor integrated circuit and activation method of the same: Disclosed herein is a semiconductor integrated circuit including, a circuit section, a first voltage line, a second voltage line, a third voltage line, a switch section, and a control section.... Agent: Rader Fishman & Grauer PLLC

20090027115 - Cutoff frequency adjusting method, gmc filter circuit and semiconductor device: A cutoff frequency adjusting method adjusts a cutoff frequency of a GmC filter circuit which has a capacitor and an Operational Transconductance Amplifier (OTA) circuit with a controllable Gm value. A Gm value of the OTA circuit is detected based on a voltage of the capacitor which is charged by... Agent: Arent Fox LLP

20090021281 - Digital phase discriminator: A phase discriminator for being used in a phase-locked loop to determine if a phase difference between a reference signal and a target signal has reached a programmable gap value is disclose which comprises a programmable phase gap selector receiving the reference signal, a first phase digital converter converting an... Agent: K & L Gates LLP

20090021282 - High-frequency signal detector: Disclosed is a high-frequency signal detector circuit including a diode detector circuit for detecting an input signal by diode detection; a differential-input/differential output amplifier with a common mode feedback circuit, the amplifier including a differential amplifying circuit for differentially receiving outputs of the diode detector circuit and outputting a differential... Agent: Mcginn Intellectual Property Law Group, Pllc

20090021283 - High speed latched comparator: An improved latched comparator, including a track mode circuit, a latch and a latch and track select circuit. The track mode circuit includes two transistors having their sources connected together, and their respective gates receiving a respective first and second input, and their drains connected to the power supply by... Agent: Texas Instruments Incorporated

20090021284 - Low voltage differential signal receiver: The invention discloses a low voltage differential signal (LVDS) receiver, which is realized in an integrated circuit. The LVDS receiver includes: an input stage circuit receiving a full-range common-mode voltage and converting it into a current signal; a current source circuit coupled to the input stage circuit to provide a... Agent: Rosenberg, Klein & Lee

20090021285 - High performance mixed signal circuit: a second circuit for direct digital synthesis comprising a second phase generator (PG2) arranged for being fed with the pseudo-random noise signal, a second phase-to-amplitude converter (PAC2) arranged for being fed with a phase from the second phase generator and for generating a second carrier wave output, and second signal... Agent: Agilent Technologies Inc.

20090021286 - Pseudo differential output buffer, memory chip and memory system: An output buffer includes first and second input transistors, first and second output loads and a current source. The first and second input transistors have first current electrodes that are commonly coupled to each other and control electrodes that are respectively coupled to a first differential input signal and a... Agent: Volentine & Whitt Pllc

20090021287 - Circuit and method for driving organic light emitting diode: A drive circuit for organic light emitting diodes (OLEDs), and a method for driving OLEDs, using the drive circuit. The drive circuit includes pixel circuits, each of which includes a first transistor for receiving a data voltage, and outputting a drive current to an OLED, a second transistor for transmitting... Agent: Ked & Associates, LLP

20090021288 - Signal delay element, method and integrated circuit device for frequency adjustment of electronic signals: The invention relates to frequency adjustment of electronic signals. The method comprises the steps of providing an output signal of a frequency generator with a first frequency as input signal for a signal delay element providing an edge of said input signal of said signal delay element; delaying said input... Agent: International Business Machines Corporation

20090021289 - Voltage detection circuit in an integrated circuit and method of generating a trigger flag signal: An integrated circuit that includes at least one tunneling device voltage detection circuit for generating a trigger flag signal. The tunneling device voltage detection circuit includes first and second voltage dividers receiving a supply voltage and having corresponding respective first and second internal node output voltages. The first and second... Agent: Downs Rachlin Martin Pllc

20090021290 - Method and system for improved efficiency of synchronous mirror delays and delay locked loops: A plurality of improved memory systems employing a phase detection system in conjunction with either a synchronous mirror delay or a delay-locked loop, and related methods of operation, are disclosed. The memory systems determine timing characteristics among multiple signals and, based upon those timing characteristics, vary which clock-related signal is... Agent: Whyte Hirschboeck Dudek S.c. Intellectual Property Department

20090021291 - Adaptive emi reduction technique for wireline phys in multi-port applications: An adaptive electromagnetic interference (EMI) detection and reduction device for multi-port applications is provided. The invention includes at least two physical devices (PHY), where the PHYs transmit data along wire pairs to a register jack (RJ). The transmissions create EMI along the wire pairs, where the transmissions have constructively interfering... Agent: Lumen Patent Firm, Inc.

20090021293 - Low-power integrated-circuit signal processor with wide dynamic range: An integrated circuit includes at least three separate power supply terminals, at least one for those portions of the circuit that must accommodate the widest signal-related voltage excursion, at least one for those that experience substantially smaller signal-related voltage excursions, and a common terminal.... Agent: Mcdermott Will & Emery LLP

20090021292 - Reliable level shifter of ultra-high voltage device used in low power application: The present invention relates to integrated circuits. In particular, it relates to an IC comprising a receiving stage for receiving an input signal, an output stage for generating an output signal having a larger voltage range than the input signal and a level shifter. Embodiments of the invention provide a... Agent: Horizon Ip Pte Ltd

20090021294 - Driving device of voltage drive type semiconductor device: A driving device 10 of an IGBT 1 comprises a high potential side switch device group having a plurality of switch devices M1 and M1′, one of ends of each switch device being connected to a high potential side; a low potential side switch device group having a plurality of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090021295 - Dual reactive shunt low noise amplifier: A dual reactive shunt feedback low noise amplifier design may include a transconductance amplifier having a capacitor coupled across it and a pair of coupled inductors coupled across it. In one embodiment, the coupled inductors may be laid out as two overlapping coils.... Agent: Trop Pruner & Hu, Pc

20090021296 - Sampling filter and radio communication apparatus: There are provided a sampling filter that enables a filter characteristic to be adjusted flexibly, and a radio communication apparatus equipped with this sampling filter. A sampling filter apparatus (100) is equipped with four integration units (150-1 through 150-4) corresponding to the number of filter taps, and some of the... Agent: Dickinson Wright Pllc James E. Ledbetter, Esq.

20090021297 - Signal processing apparatus, filter apparatus, signal processing method and filtering method: There is provided a signal processing apparatus including a variable capacitor and a switching portion for switching the circuit mode between a sampling mode, in which the variable capacitor samples an input signal, a holding mode, in which a charge gained by sampling the input signal is held in the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090021298 - Method and apparatus to select a parameter/mode based on a time measurement: Techniques are disclosed to select functional parameters and/or operating modes of a circuit based on a time measurement are disclosed. One example integrated circuit includes a threshold detection and timing circuit that is coupled to measure a signal during an initialization period of the integrated circuit from a multifunction capacitor... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090021299 - Semiconductor device and display device utilizing the same: A source-drain voltage of one of two transistors connected in series becomes quite small in a set operation (write signal), thus the set operation is performed to the other transistor. In an output operation, two transistors operate as a multi-gate transistor, therefore, a current value can be small in the... Agent: Fish & Richardson P.c.

20090015295 - Envelope detector having reduced harmonic interference: A system for detecting the envelope of a signal is provided. The system includes a first envelope detector generating a first envelope signal of an input RF signal, such as an envelope signal representing the positive peak envelope of the input RF signal. A second envelope detector generates a second... Agent: Mr. Christopher John Rourk Jackson Walker LLP

20090015296 - Digital frequency synthesizer and method thereof: A digital frequency synthesizer and a method thereof are provided. In the digital frequency synthesizer, a plurality of multiphase signals (MPSs) is generated by a phase delay locked loop array, and a transition reference values is generated by a programmable transition value generator. An operation result obtained according to an... Agent: Jianq Chyun Intellectual Property Office

20090015298 - Output buffer circuit: In the case of a conventional output buffer circuit, it is difficult to adjust rising and falling times of a signal outputted from each of differential output terminals (OUTP/OUTN). Provided is an output buffer circuit including: a delay circuit including a first, second and third delay paths coupled to a... Agent: Mcginn Intellectual Property Law Group, PLLC

20090015299 - Output circuit: A reference voltage is applied from a reference voltage generating circuit to the non-inverting input terminal of an amplifier for supplying a drive voltage to the gate terminal of an NMOS transistor, and the output voltage appearing at the source terminal of the NMOS transistor is divided by a resistor... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090015297 - Source driver with charge sharing: A source driver includes four output switches, two resistors, and a charge-sharing switch. The first output switch and the first resistor are coupled in series to a first output channel of the source driver. The second output switch and the second resistor are coupled in series to a second output... Agent: North America Intellectual Property Corporation

20090015300 - Method and apparatus for producing a signal: Apparatus for producing a signal, comprising a capacitor; a first current source for one of charging and discharging the capacitor over a first time period; a second current source for one of discharging and charging the capacitor over a first portion of a second time period; a detector for detecting... Agent: Wilmerhale/boston

20090015301 - Controlling timing dependencies in a mixed signal system-on-a-chip (soc): The claimed subject matter provides systems and/or methods that facilitate controlling timing dependencies in a mixed signal circuit. Timing performance associated with a horizontal scanner and an analog to digital converter (ADC) can be monitored. Moreover, data related to the monitored timing performance can be leveraged to modify timing parameter(s)... Agent: Amin, Turocy & Calvin, LLP

20090015302 - Delay locked loop and method of controlling the same: A delay locked loop includes a DLL hold control unit that receives a first control signal and outputs a DLL hold control signal, and a DLL block that receives the DLL hold control signal and generates a DLL clock.... Agent: Baker & Mckenzie LLP Patent Department

20090015303 - Delay cell of voltage controlled delay line using digital and analog control scheme: Provided is an analog/digital control delay locked loop (DLL). The DLL includes a phase detector for detecting a phase difference between an input clock signal and a feedback signal to provide an up detection signal or a down detection signal, a charge pump for generating an adjusted output current based... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090015304 - Clock data recovery and synchronization in interconnected devices: For synchronizing a master device and a slave device connected by a data transfer link, the master device measures a phase offset in a signal received from the slave device with respect to the master's clock signal. The master determines a control symbol based on the phase offset. The master... Agent: Michael W. Starkweather Jason P. Webb

20090015305 - Digitized method for generating pulse width modulation signals: A digitized method for generating pulse width modulation (PWM) signals is disclosed. In the digitized method, multiphase PWM signals are generated by altering the reference levels so that fully on duty cycle or fully off duty cycle of each phase PWM signal can be achieved. Therefore, the digitized PWM signal... Agent: J C Patents, Inc.

20090015306 - Signal generating appartus, filter apparatus, signal generating method and filtering method: There is provided a signal generating apparatus including: a multiphase oscillating portion for generating a number of base signals having the same frequency and a predetermined phase difference of which the signal level transitions between a first level and a second level, and where periods during which the signal level... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090015308 - Efficient delay elements: Circuits, methods, and apparatus for delaying signals in a power and area efficient manner are provided. A gating element within a stage of a programmable delay element suppresses an operation of other stages of the delay element. A programmable delay has components with differing delays that may be combined to... Agent: Townsend And Townsend And Crew LLP/ 015114

20090015307 - Local skew detecting circuit for semiconductor memory apparatus: A local skew detecting circuit for a semiconductor integrated circuit includes a reference delay block that receives a test signal and generates a reference delay signal by delaying the test signal by a predetermineddelay time, and a first timing detecting block coupled with the reference delay block, the first timing... Agent: Baker & Mckenzie LLP Patent Department

20090015309 - Data output clock signal generating apparatus and semiconductor integrated circuit with the same: A data clock control apparatus includes a bias voltage generator configured to receive a plurality of test mode signals and a plurality of fuse signals and to generate a bias voltage to secure a predetermined potential difference from an external driving power supply, and a clock signal controller configured to... Agent: Baker & Mckenzie LLP Patent Department

20090015310 - Semiconductor device: A semiconductor device transfers first data to a circuit block. The semiconductor device is provided with a storage circuit configured to store the first data, a shift register configured to set the first data, a transfer circuit configured to transfer the first data from the shift register to the circuit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090015311 - Low skew clock distribution tree: A clock distribution tree for an integrated circuit memory includes a set of data drivers, a corresponding set of input buffers coupled to the data drivers, a first clock distribution tree coupled to the data drivers, and a second clock distribution tree coupled to the input buffers, wherein the first... Agent: Hogan & Hartson LLP

20090015312 - Calibration circuit, semiconductor device including the same, and memory module: A calibration circuit includes: a replica buffer that drives a calibration terminal; a pre-emphasis circuit connected in parallel to the replica buffer; and an up-down counter that changes impedances of the replica buffer and the pre-emphasis circuit. A replica control circuit causes the replica buffer to conduct based on an... Agent: Mcginn Intellectual Property Law Group, PLLC

20090015313 - Level shift circuit and semiconductor integrated circuit including the same: In a level shift circuit, including two Nch transistors Tn1, Tn2 receiving a pair of complementary input signals and two Pch Transistors Tp1, Tp2 of which gate terminals are cross-coupled to each other, nodes A and B as the drains of the two Nch transistors Tn1, Tn2 operating in reverse... Agent: Mcdermott Will & Emery LLP

20090015314 - High frequency excitation system: A power module is adapted to be connected to a voltage source and to supply power to a load. The power module includes a power transistor; and a gate controller for driving the power transistor. The gate controller includes a gate transformer, and an impulse generator that extends a negative... Agent: Fish & Richardson PC

20090015315 - Circuit for controlling an a.c. switch: A circuit for generating a D.C. signal for controlling an A.C. switch referenced to a first potential, from a high-frequency signal referenced to a second potential, including: a first capacitive element connecting a first input terminal, intended to receive the high-frequency signal, to the cathode of a rectifying element having... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20090015316 - Heating-control isolation-diode temperature-compensation: A semiconductor integrated circuit (IC) acts as a controller of a heating-controlled device or appliance. A heating body has a positive temperature coefficient and acts as both a heating element and a temperature sensor. A Silicon-Controlled Rectifier (SCR) switches AC current to the heating body to increase its temperature. When... Agent: Stuart T Auvinen

20090015317 - Methods and systems for controlling qubits: A system for quantum computing includes a plurality of qubits and a control system. The control system generates control signals to control operation of the qubits and sets a bias point of each quit between a first position, in which the qubit is disabled and not responsive to the control... Agent: F. Chau & Associates, LLC

20090015318 - Charge pump drive circuit: A charge pump drive circuit includes a first MOSFET (Metal Oxide Semiconductor Field Effect Transistor) and a second MOSFET. The first MOSFET and the second MOSFET are different in channel type and provided to form a complementary inverter circuit. The complementary inverter circuit drives a charge pump circuit based on... Agent: Sughrue Mion, PLLC

20090015319 - Voltage controlled oscillation circuit: The present invention provides a voltage controlled oscillator, which includes an amplifier circuit, an amplifier circuit tail current source, a latch circuit, a latch circuit tail current source, a load resistor, and a current modulation circuit. The amplifier circuit is provided with a first node, and an amplifier circuit tail... Agent: Apex Juris, PLLC

20090015320 - Temperature compensation for floating gate circuits: A system and method is provided for improving the accuracy of the voltage reference output of a floating gate voltage reference circuit by minimizing the temperature coefficient, Tc. The system and method provides a minimized Tc on output reference voltage, for a wide variety of such output voltages. In a... Agent: Nixon Peabody, LLP

20090015321 - Circuit having a local power block for leakage reduction: A circuit having a local power block for leakage reduction is disclosed. The circuit has a first portion and a second portion. The first portion is configured to operate at a substantially greater operating frequency than the operating frequency of the second portion. The second portion has a local power... Agent: Qualcomm Incorporated

20090015322 - Integrated circuit with multiple layers of circuits: An integrated circuit 78 is formed of multiple layers of circuits 14, 16 superimposed to produce stacks of circuit blocks 2, 4. Stack control circuitry 18, 20 is associated with the input and output signals from the circuit blocks to direct these to/from the currently active circuit block(s) as appropriate.... Agent: Nixon & Vanderhye, PC

20090009219 - Reducing power consumption in an amplification stage driving a sample and hold circuit while maintaining linearity: An input signal to be sampled by a sample and hold circuit is amplified separately by two amplifiers. The output of the first amplifier is provided to a boost circuit to maintain the impedance of a sampling switch contained in a signal dependent boost switch substantially constant. The output of... Agent: Texas Instruments Incorporated

20090009220 - Signal generating apparatus, periodic-signal observing system, integrated circuit, periodic-signal observing method, and method of testing integrated circuit: A signal generating apparatus having an LSI circuit in which a plurality of cycle-observing signals are generated to be output via an I/O circuit to a device outside the LSI circuit in order to observe a prescribed periodic signal in the LSI circuit. The apparatus includes: a frequency-dividing circuit that... Agent: Staas & Halsey LLP

20090009222 - Clock generation circuit, recording device and clock generation method: A clock generation circuit is provided that multiplies an input signal of a specific frequency by a specific multiplication factor and generates an output clock signal. The clock generation circuit includes a PLL circuit that multiplies the input signal and generates the output clock signal, and a correction circuit that... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090009221 - Method and apparatus for synchronizing a clock generator in the presence of jittery clock sources: There are provided, in a clock generator for generating a plurality of output clock signals, an apparatus and method for synchronizing the clock generator to an input reference clock in the presence of a jittery input clock provided to the clock generator from a PLL. The clock generator and the... Agent: Joseph J. Laks Thomson Licensing LLC

20090009223 - Pll circuit and semiconductor integrated device: A charge pump circuit comprises two MOS transistors serially connected between a power supply voltage VDD and ground, a switch SW0, four switches SW1 through SW4, four capacitors C1 through C4, and four switches SW5 through SW8. If a control voltage Vcntl is to be varied, a specific switch SW... Agent: Arent Fox LLP

20090009225 - Clock signal generator: A clock signal generator for generating clock signals to an integrated circuit. The clock signal generator comprises a delay-locked loop adapted to generate a plurality of mutually delayed clock phases based on a reference clock signal. The delay-locked loop is further adapted to select one of the plurality of clock... Agent: Renner Otto Boisselle & Sklar, LLP

20090009224 - Multiphase dll using 3-edge phase detector for wide-range operation: The invention discloses a new architecture of multiphase delay-locked loop (DLL) with innovative 3-edge phase detector (3-edge PD), which compares the VCDL's first delay interval and the last delay interval to send an Up pulse or a Dn pulse to adjust the interval among those delay clock phases. The DLL... Agent: Rosenberg, Klein & Lee

20090009226 - System and method for implementing a swap function for an iq generator: A system and method for implementing an IQ generator includes a master latch that generates an I signal in response to a clock input signal, and a slave latch that generates a Q signal in response to an inverted clock input signal. A master selector is configured to provide a... Agent: Gregory J. Koerner Redwood Patent Law

20090009227 - High-power electric pulse generator: A high power electric pulse generator includes a charge storage device, a high voltage source for charging the charge storage device, a first photoconductor element connected to the reference potential and to the storage device, a second photoconductor element connected to the storage device and to a useful load, a... Agent: St. Onge Steward Johnston & Reens, LLC

20090009228 - Clock generating apparatus: A clock generating apparatus includes a clock generator and a controllable delay line. The clock generator receives an external clock signal and generates multiple clock signals having different phases by delaying the external clock signal. The controllable delay line receives one of the multiple clock signals as a first clock... Agent: Volentine & Whitt PLLC

20090009229 - High/low voltage tolerant interface circuit and crystal oscillator circuit: A high/low voltage tolerant interface circuit and a crystal oscillator circuit using the same are provided herein. The interface circuit includes a first transistor, a bulk-voltage generator module and an bias module. The first transistor includes a gate, a first source/drain, a bulk coupled to the first source/drain of the... Agent: Jianq Chyun Intellectual Property Office

20090009230 - Semiconductor device: A semiconductor device includes a level shift circuit to convert an input signal having an amplitude from a first power supply potential to a second power supply potential to a signal having an amplitude from the first power supply potential to a third power supply potential, a first output portion... Agent: Mcginn Intellectual Property Law Group, PLLC

20090009231 - Device and method for power switch monitoring: A device monitors at least one power switch which is series-mounted with a logic core between a first and a second potential. A connection point between the switch and logic core is carried to a third potential. The switch is biased by a biasing potential. The device includes a feedback... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20090009232 - Power switches: A switching device suitable for operation in temperatures over 150 C comprises first 1 and second 2 transistors, the source 1S of the first transistor being connected to the drain 2D of the second transistor, the gate 2G of the second transistor being connected to the source 1S of the... Agent: James E. Bradley

20090009233 - Method and system for controlling a handheld electronic device: A method (500), a handheld electronic device (102) and an external accessory (402) for controlling at least one function of a plurality of functions of the handheld electronic device is provided. The method includes determining (504) whether the handheld electronic device is docked in an external accessory. Further, the method... Agent: Motorola, Inc.

20090009234 - Proportional settling time adjustment for diode voltage and temperature measurements dependent on forced level current: A temperature sensor circuit and system providing accurate digital temperature readings using a local or remote temperature diode. In one set of embodiments a change in diode junction voltage (ΔVBE) proportional to the temperature of the diode is captured and provided to an analog to digital converter (ADC), which may... Agent: Jeffrey C. Hood Meyertons Hood Kivlin Kowert & Goetzel PC

20090009235 - Semiconductor memory device: A semiconductor memory device includes a memory cell array and a voltage generation circuit for generating a voltage applied to the memory cell array, in which a plurality of drive MOS transistors having different width dimensions are selectively connected in parallel between an output line and the ground. The voltage... Agent: Foley And Lardner LLP Suite 500

20090009236 - Step-down circuit with stabilized output voltage: The present invention provides a semiconductor integrated circuit device equipped with a negative feedback amplifier circuit or a step-down circuit which realizes stabilization of an output voltage effectively in response to a variation in power supply voltage. A constant current source is used to cause a bias current for setting... Agent: Stanley P. Fisher Reed Smith LLP

20090009237 - Boosting circuit and boosting method: A boosting circuit includes a boosting capacitor to which an input voltage is applied; a smoothing capacitor to which a boosted voltage is applied; a discharging MOS transistor configured to connect said boosting capacitor and said smoothing capacitor in a discharging operation during a boosting operation period such that charge... Agent: Mcginn Intellectual Property Law Group, PLLC

20090009238 - Semiconductor integrated circuit: Disclosed herein is a semiconductor integrated circuit including a stoppable circuit unit configured to be alternately switched between a stopped state and an operating state; a first voltage line configured to apply a first voltage to the stoppable circuit unit when the stoppable circuit unit is in the operating state;... Agent: Rader Fishman & Grauer PLLC

20090002033 - Noise removal circuit and comparator circuit including same: The present invention reliably removes a signal change associated with a noise component from a comparison signal of a comparator. A comparator circuit includes a comparator and a timer circuit. After a reversal of the comparison signal, if the level of the comparator is sustained at least from a first... Agent: Posz Law Group, PLC

20090002034 - Circuit arrangement and method for detecting a power down situation of a voltage supply source: Circuit arrangement for detecting a power down situation of a second voltage comprising a first conductor, adapted the be connected to a first voltage, a second conductor, adapted the be connected to a reference voltage, an input node, adapted the be connected to the second voltage, and two output nodes,... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090002035 - Comparator circuit: A comparator circuit according to an embodiment of the present invention includes a comparator configured to compare an input signal voltage with a reference voltage obtained by smoothing the input signal by use of a resistor and a capacitor, and output a result of the comparison, a discharge circuit configured... Agent: Foley And Lardner LLP Suite 500

20090002036 - Liquid ejecting apparatus and liquid ejecting method: A liquid ejection apparatus includes an element that is charged and discharged so as to perform an operation to eject a liquid, an analog signal generating unit that generates an analog signal having a voltage change pattern for determining the operation of the element, a charging transistor that amplifies a... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090002037 - Reset control method and apparatus in power management integrated circuit: A reset control apparatus may include a first reference generator adapted to output a first reference value in response to an enable signal from an external power source, a second reference generator adapted to receive the first reference value and to output a second reference value, and a set signal... Agent: Lee & Morse, P.C.

20090002038 - Phase locked loop with stabilized dynamic response: A hybrid phase locked loop (PLL) circuit for obtaining stabilized dynamic response and independent adjustment of damping factor and loop bandwidth is provided. The hybrid PLL circuit of the illustrative embodiments includes the resistance/capacitance (RC) filter elements of a conventional RC PLL and the feed-forward path from the output of... Agent: Ibm Corp. (wip) C/o Walder Intellectual Property Law, P.C.

20090002040 - Dll circuit of semiconductor memory apparatus: A DLL circuit for a semiconductor memory apparatus includes a delay line having a coarse delay chain, which has a plurality of coarse delayers connected in series and is inputted with a reference clock signal, and a plurality of fine delayers which receive output clock signals of the respective coarse... Agent: Baker & Mckenzie LLP Patent Department

20090002041 - Method for improving stability and lock time for synchronous circuits: Delay-locked loops, signal locking methods and devices and systems incorporating delay-locked loops are described. A delay-locked loop includes a forward delay path, a feedback delay path, a phase detector and a timer circuit. The forward delay path alternatively couples to an external clock signal and to an internal test signal.... Agent: Trask Britt, P.C./ Micron Technology

20090002039 - Power control circuit, method of controlling power control circuit, and dll circuit including power control circuit: A power control circuit includes a check unit that receives a reference clock and generates a check signal for cyclically activating a feedback loop of a DLL circuit, a phase detecting unit that detects a phase difference between the reference clock and a feedback clock, and generates a phase difference... Agent: Baker & Mckenzie LLP Patent Department

20090002042 - System and method for conditioning differential clock signals and integrated circuit load board using same: A system and method of conditioning differential clock signals iteratively adjusts the duty cycles and phases of the clock signals. The duty cycles of the clock signals are adjusted by comparing respective voltage corresponding to the duty cycles of respective clock signals in each of the differential pairs. The result... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090002043 - System, method and apparatus having improved pulse width modulation frequency resolution: Using a combination of frequency dithering of a PWM counter and a variable time delay circuit yields improved PWM frequency resolution with realizable circuit components and clock operating frequencies. A controllable time delay circuit lengthens a PWM signal during the first PWM cycle. During the second PWM cycle, the PWM... Agent: Baker Botts L.lp One Shell Plaza

20090002044 - Master-slave type flip-flop circuit: A master-slave type flip-flop circuit consisting of a master latch and a slave latch, wherein the master latch comprises: a first clocked inverter to which data are input and a first latch circuit configuring a closed circuit with a first inverter and a second clocked inverter so that an output... Agent: Oliff & Berridge, PLC

20090002045 - Integrated circuit with delay selecting input selection circuitry: Some embodiments provide an integrated circuit (IC) with a delay select input selection circuit. The delay select input selection circuit comprises a first input selection circuit, a first storage element, a second storage element, and a first input line branching into multiple input lines. The multiple input lines include at... Agent: Adeli & Tollen, LLP

20090002046 - Skew signal generation circuit and semiconductor memory device having the same: In a skew signal generation circuit, a pad is connected to an external resistor and a code generator compares a voltage of the pad with a reference voltage to generate a plurality of codes. A skew signal extractor extracts a skew signal from the codes, the skew signal containing information... Agent: Cooper & Dunham, LLP

20090002048 - Reference voltage generating circuit: Disclosed is a reference voltage generating circuit which includes resistors R0, R0 and R3, a differential amplifier A1 and transistors Q1, Q2 and Q3. The collectors of the transistors Q1 and Q2 are connected to differential input terminals of the differential amplifier, while one ends of the R0, R0 and... Agent: Foley And Lardner LLP Suite 500

20090002047 - Switching circuit which is used to obtain a doubled dynamic range: It is characterized by the connection of a transistor (17) to the signal source (10) and a load (19) by means of a series of capacitors (11, 18), resistors (15, 16) and an inductor (12) that form the circuit of the invention, and by the application of two complementary control... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090002051 - Input circuit of semiconductor integrated circuit: An input circuit is disclosed. The input circuit can include a cross voltage generating block that can be configured to perform charge-sharing on a pair of input signals whose phases are opposite to each other and generate a cross voltage, and an input buffer block that can be configured to... Agent: Baker & Mckenzie LLP Patent Department

20090002052 - Semiconductor device: A level shifter circuit of the present invention includes a level shifter for converting a low-voltage signal to a high-voltage signal, and is provided with a unit that sets a voltage condition of an input signal to a transistor for input of the level shifter, when a high-voltage power supply... Agent: Mcdermott Will & Emery LLP

20090002049 - Voltage output device for an electronic system: The present invention discloses a voltage output device for an electronic system, for transforming an input voltage for generating an output voltage for a load, which includes a first node, a second node, a third node, a first transistor, a second transistor, a first driving unit, a second driving unit,... Agent: North America Intellectual Property Corporation

20090002050 - Voltage output device for an electronic system: The present invention discloses a voltage output device for an electronic system, for transforming an input voltage for generating an output voltage for a load, which includes a first transistor, a second transistor, a first driving unit, a second driving unit, a control unit, a diode, an inductor, a first... Agent: North America Intellectual Property Corporation

20090002053 - Offset compensation using non-uniform calibration: Methods and systems for offset compensation using calibration are provided. Embodiments enable offset compensation using non-uniform calibration. Embodiments enable calibration schemes configurable according to the probability distribution function (PDF) of the random offset. Embodiments enable calibration schemes configurable with multiple levels of calibration resolution according to the PDF of the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090002054 - Gate drive apparatus: A gate drive apparatus including a constant-current-pulse gate drive circuit which creates a gate signal for a switching device as a constant-current output, a constant-voltage-pulse gate drive circuit which creates the gate signal as a constant-voltage output, and a decision/switch circuit which switches the operation of the constant-current-pulse gate drive... Agent: Buchanan, Ingersoll & Rooney PC

20090002055 - Semiconductor device: A switching transistor has its drain and source respectively connected to a gate and a source of an output transistor for supplying output current to a load, and its gate connected to an internal grounding wire GW to be connected to a grounding terminal GND. A resistance element R1 connects... Agent: Young & Thompson

20090002056 - Active resistance circuit with controllable temperature coefficient: Embodiments of the invention provide a circuit to implement an on-chip resistor with desired temperature coefficient behavior. In some embodiments, a circuit may comprise an amplifier, with a reference controlled by ratioed amounts of one or more positive temperature coefficient (TC+) and/or negative temperature coefficient (TC−) circuits, coupled to a... Agent: Intel Corporation C/o Intellevate, LLC

20090002057 - Temperature sensor circuit and method for controlling the same: A temperature sensor circuit includes a first reference voltage generator configured to generate a first reference voltage signal by using a first signal linearly varying with temperature, a second reference voltage generator configured to generate a second reference voltage signal with a predetermined logic level by using the first reference... Agent: Cooper & Dunham, LLP

20090002058 - Automatic bias circuit for sense amplifier: The present invention discloses a bias circuit for a sense amplifier having a device under sensing, the device under sensing having an un-programmed state and a programmed state, the bias circuit comprises at least one first branch having at least one first device formed substantially the same as the device... Agent: K & L Gates LLP

20090002059 - Rail to rail full complementary cmos isolation gate: An isolation gate to provide isolation to a circuit to be isolated for a first voltage and a second voltage includes a voltage source for the first voltage and the second voltage, a first path coupled to the circuit to be isolated and a first control switch to control the... Agent: Law Office Of Donald D. Mondul C/o Intellevate

20090002060 - Negative n-epi biasing sensing and high side gate driver output spurious turn-on prevention due to n-epi p-sub diode conduction during n-epi negative transient voltage: A high-side driver in a driver circuit for driving a half-bridge stage having high- and low-side power switching devices series connected at a switched node, the high-side driver driving the high-side power switching device. The high-side driver including first and second complementary switched MOSFET series connected at a high-side node,... Agent: Ostrolenk Faber Gerb & Soffen

20090002061 - Bias supply, start-up circuit, and start-up method for bias circuit: A bias supply, a start-up circuit, and a start-up method for a bias circuit are provided. The bias supply includes the bias circuit, an impedance unit, a charge storage unit, and a switch. The impedance unit is coupled between a first voltage and a node. The charge storage unit is... Agent: Jianq Chyun Intellectual Property Office

20090002062 - Method for sensing integrated circuit temperature including adjustable gain and offset: Embodiments of the invention include a temperature sensor method for providing an output voltage response that is linear to the temperature of the integrated circuit to which the temperature sensor belongs and/or the integrated circuit die on which the temperature sensor resides. The output voltage of the temperature sensor has... Agent: Smith Frohwein Tempel Greenlee Blaha LLC

20090002063 - Semiconductor circuit: A semiconductor circuit according to an embodiment of the present invention includes a first current mirror operating between a first power supply potential and a second power supply potential, a third power supply potential generated by the first current mirror, a second current mirror operating between the first power supply... Agent: Mcginn Intellectual Property Law Group, PLLC

20090002064 - Charge pump circuit: A reversal charge pump circuit generates a negative voltage from an input voltage received from an input terminal, and provides an output terminal with the negative voltage. The charge pump circuit achieves increased voltage stability and avoids breakdown voltage problems, with an uncomplicated structure. The circuit may have first and... Agent: Dickstein Shapiro LLP

20090002065 - Buffer circuit for reducing differential-mode phase noise and quadrature phase error: According to one exemplary embodiment, a buffer circuit for reducing differential-mode phase noise and quadrature phase error comprises first and second switching branches driven by an in-phase (I) signal, third and fourth switching branches driven by a quadrature-phase (Q) signal, the first and second switching branches and third and fourth... Agent: Farjami & Farjami LLP

20090002066 - Multi-tap direct sub-sampling mixing system for wireless receivers: A multi-tap direct sub-sampling mixing system for wireless receivers is provided with a dynamically configurable passive switched capacitor filter. A front end amplifier is connected to receive a signal. The passive switched capacitor filter is connected to receive the amplified signal and has an output for providing a filtered signal.... Agent: Texas Instruments Incorporated

20090002067 - Method and system for signal coupling and direct current blocking: A method and class of circuit configurations for coupling low-frequency signals from one stage of an electronic apparatus to another stage, from the outside world to such a stage, or from such a stage to the outside world, through the use of a plurality of symmetrical double-layer capacitors combined with... Agent: Seed Intellectual Property Law Group PLLC