Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 05/08

20080122490 - Circular edge detector: A circular edge detector on an integrated circuit including a plurality of edge detector cells, each of the plurality of edge detector cells having an input select block operable to receive a data signal and a previous cell signal and to generate a present cell signal, and a state capture... Agent: Ibm Corp. (clg) C/o Cardinal Law Group

20080122491 - Frequency comparator, frequency synthesizer, and related methods thereof: The present invention discloses a frequency comparator for comparing frequencies of a first signal and a second signal. The frequency comparator includes: a frequency detecting circuit for generating a reference signal according to the first signal and an input voltage; a frequency generator for generating the second signal according to... Agent: North America Intellectual Property Corporation

20080122492 - Frequency detector utilizing a pulse generator, and mehtod thereof: The present invention discloses a frequency detecting apparatus for detecting a frequency of an input clock. The frequency detecting apparatus includes: a pulse generator, a digital signal generator, and a decoder. The pulse generator is coupled to the input clock for extracting a period of the input clock to generate... Agent: North America Intellectual Property Corporation

20080122493 - semiconductor devices for receiving a current mode signal and methods of operating the same: Embodiments of methods and apparatus for receiving data are disclosed. More particularly, methods of receiving a current mode signal, which can improve a signal to noise ratio (SNR) according to a change in a power supply voltage, and current mode comparators and semiconductor devices that use the methods are provided.... Agent: Myers Bigel Sibley & Sajovec

20080122494 - On-chip mode-setting circuit and method for a chip: An on-chip mode-setting circuit and method are provided for a chip having an output driver with an output terminal connected to a pin of the chip. The pin may be defined between two states from exterior of the chip. The on-chip mode-setting circuit includes an electronic element connected to a... Agent: Rosenberg, Klein & Lee

20080122495 - Automatic calibration of a reference voltage: A voltage calibration system includes three main units, which are a voltage level trimming unit, a trim detection unit, and a trim control unit. The three units work in conjunction with each other during a trimming operation in order to identify a tap voltage that is closest to a target... Agent: Ibm Corporation- Austin (jvl) C/o Van Leeuwen & Van Leeuwen

20080122496 - Generation of an oscillation signal: Methods and apparatuses for accumulating a phase increment that comprises an overflow to a phase information signal; mapping the phase information signal to an amplitude information signal; quantizing the amplitude information signal while feeding back a quantization noise using a first filter of an nth order, so that the feedback... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20080122497 - Gate drive circuit: t

20080122498 - Frequency dividing circuit: A frequency dividing circuit includes: a D-type flip flop that outputs frequency-divided signal synchronized with input clock and reverse phase signal corresponding to the frequency-divided signal; a variable delay circuit that generates a delay feedback signal delayed by a specific delay time from the reverse phase signal input from the... Agent: Sughrue Mion, PLLC

20080122499 - Multi-threshold reset circuit: A device can include one or more circuits that are configured to be powered by a supply voltage having a specified minimum operating value and a specified nominal operating value; and a reset circuit having a first voltage threshold and a second voltage threshold, the first voltage threshold having a... Agent: Fish & Richardson P.C.

20080122500 - Reset circuit and system having reset circuit: In a power-on detection circuit, a first connection node at which a first divided voltage is generated is connected to a second power supply line during activation of a power-down detection signal. Inactivation timing of the power-down detection signal is set earlier than an activation timing of a power-on detection... Agent: Arent Fox LLP

20080122501 - Clock timing adjusting method and semiconductor integrated circuit: There is provided with a clock timing adjusting method for adjusting the difference of clock timings among a plurality of clock domains in a semiconductor integrated circuit which includes a clock generation portion capable of supplying a plurality of clocks with different phases, a plurality of clock domains for supplying... Agent: Mcdermott Will & Emery LLP

20080122502 - Delay locked loop circuit for preventing malfunction caused by change of power supply voltage: A Delay Locked Loop (DLL) circuit prevents a malfunction caused by a change of a power supply voltage, and includes a first and a second delay lines and a first and a second signal processors for controlling the first and the second delay lines, and turns off the second signal... Agent: Mcdermott Will & Emery LLP

20080122503 - Information processing apparatus and phase control method: An apparatus includes plural combinations of a clock supplier and a clock supply destination supplied with a clock from the clock supplier. The clock supply destination includes a return route through which the clock supply destination returns a clock to a corresponding clock supplier. The clock supplier includes a variable... Agent: Katten Muchin Rosenman LLP

20080122504 - Fractional digital pll: A phase locked loop provides an output frequency that bears a fractional relationship to an input frequency and includes a controlled oscillator for generating the output frequency. The phase information is scaled in the amplitude domain to provide the fractional relationship.... Agent: Laubscher & Laubscher, P.C.

20080122505 - Charge-pump circuit capable of regulating voltage without any external voltage regulator: The present invention discloses a charge-pump circuit capable of regulating voltage without any external voltage regulator, wherein an input-modifying circuit is installed between the voltage-input end and the charge-pump circuit and used to detect the variation of the output voltage of the charge-pump circuit and modify the voltage input to... Agent: Birch Stewart Kolasch & Birch

20080122506 - High efficiency low cost bi-directional charge pump circuit for very low voltage applications: A method and system for providing an output voltage greater than a voltage of a voltage supply in a semiconductor device are disclosed. The method and system include providing basic stage(s) and/or a bi-directional stage and basic stage(s) coupled with the bi-directional stage. The bi-directional stage includes boosting capacitors, N-type... Agent: Sawyer Law Group LLP

20080122507 - Low power, low phase jitter, and duty cycle error insensitive clock receiver architecture and circuits for source synchronous digital data communication: A clock receiver architecture for source synchronous digital data communication, the receiver including a forwarded clock amplifier to provide the received forwarded clock signal to a plurality of delay locked loops. Each delay locked loops provides to one or more phase interpolators a set of clock signals generated from the... Agent: Seth Kalson C/o Intellevate, LLC

20080122508 - Electronic device for generating synchronization signals: The invention relates to electronic devices for generating synchronization signals, in particular to ultrahigh resolution synchronization signals whose temporal accuracy is less than a nanosecond. The inventive device operates not only with an internal clock but also with the external clock of a synchronizable device, thereby avoiding any temporal drift... Agent: Lowe Hauptman & Berner, LLP

20080122509 - Circuitry and method for transferring data, and circuitry and method utilizing clock pulses: A variable power supply voltage generator generates a variable power supply voltage Vvar and supplies it to other circuits. A transmitting circuit 130 (or 140), operative at the variable power supply voltage Vvar, generates multi-value analog signals Smulti and transmits them to other circuits. A receiving circuit 140 (or 130),... Agent: Harness, Dickey & Pierce, P.L.C

20080122510 - Output slew rate control: This document discusses, among other things, output slew rate control. Methods and structures are described to provide slew rate control of an output driver circuit such as a DRAM output driver on a die. A selectable combination of series coupled transistors are configured as a parallel array of complementary inverter... Agent: Schwegman, Lundberg & Woessner, P.A.

20080122511 - Output slew rate control: This document discusses, among other things, output slew rate control. Methods and structures are described to provide slew rate control of an output driver circuit such as a DRAM output driver on a die. A selectable combination of series coupled transistors are configured as a parallel array of complementary inverter... Agent: Schwegman, Lundberg & Woessner, P.A.

20080122512 - Digital power-on reset: An apparatus comprising a plurality of flip-flops and a compare circuit. The flip-flops may each be configured to (i) receive a clock signal and an input signal and (ii) generate an output signal. The flip-flops may be configured in series such that the output signal of a first of the... Agent: Lsi Corporation

20080122513 - Delay control circuit: A delay control circuit includes a first delay unit, a signal regulation unit, a selector and a second delay unit. The first delay unit is used for delaying an input signal and generates a delayed input signal. The signal regulation unit is coupled to the first delay unit and outputs... Agent: J C Patents, Inc.

20080122515 - Clock generator having improved deskewer: Disclosed is a clock generation circuit for generating a clock-out signal that has a fixed latency with respect to a clock-input signal. When multiple such clock generation circuits are utilized to feed clock signals to different digital logic circuits within an integrated circuit structure, differences in delay time, referred to... Agent: Frederick W. Gibb, Iii Gibb & Rahman, LLC

20080122514 - Variable frequency clock output circuit and apparatus, motor driving apparatus, and image forming apparatus: A variable frequency clock output circuit, comprising: a target value register which stores a target value corresponding to an arbitrarily set target frequency; an increase/decrease value register which stores an arbitrarily set increase/decrease value; an adder-subtractor which has an input portion into which a current output value is inputted and... Agent: Morrison & Foerster LLP

20080122516 - Level shifter and driving method: A level shifter includes; a level conversion unit which receives a first input signal and a second input signal, wherein the second input signal is an inversion of the first input signal, and generates a first output signal having substantially a same phase of the first input signal and a... Agent: Cantor Colburn, LLP

20080122517 - Semiconductor device and method for controlling a semiconductor device: Semiconductor devices and methods are disclosed wherein a switching element or a current path is coupled to a substrate, and wherein a further element is coupled to said substrate and a control input of said switching element or said current path. Accordingly, in at least one embodiment, a semiconductor device... Agent: Maginot, Moore & Beck Chase Tower

20080122518 - Multi-source, multi-load systems with a power extractor: Apparatuses and systems enable power transfer from one or more energy sources to one or more loads. The input power from the energy sources may be unregulated, and the output power to the loads is managed. The power transfer is based on a dynamic implementation of Jacobi's Law (also known... Agent: Blakely Sokoloff Taylor & Zafman

20080122520 - Low voltage circuit with variable substrate bias: In one form a circuit has a bias stage having an input signal terminal for receiving an input signal. The circuit modifies the input signal with a drive stage to provide an output signal in complement form. A drive transistor in the drive stage of the circuit has a bulk... Agent: Freescale Semiconductor, Inc. Law Department

20080122519 - Method and circuits for regulating threshold voltage in transistor devices: A circuit for regulating a desired value of threshold voltage, Vt, for a given FET transistor device. The circuit is coupled to the FET for regulating the desired value of Vt, by providing a device body voltage, and, that additionally enables control of the voltage at the drain of the... Agent: Scully, Scott, Murphy & Presser, P.C.

20080122521 - Semiconductor device: A semiconductor device including a pumping capacitor for inducing a high voltage, a switching circuit for transferring the high voltage induced by the pumping capacitor and a switching control circuit for controlling the switching circuit, wherein the switching control circuit includes a first capacitor for inducing a switching control voltage... Agent: Blakely Sokoloff Taylor & Zafman

20080122522 - Semiconductor integrated circuit: A semiconductor integrated circuit has: a charge pump circuit which charges a first capacitor with an input voltage, transfers a charge accumulated in the first capacitor to a second capacitor, outputs, as an output voltage, a voltage of the second capacitor, and is capable of changing over a capability of... Agent: Ratnerprestia

20080122523 - Voltage generation circuit and semiconductor memory device including the same: A voltage generation circuit and semiconductor memory device including the same are provided. The voltage generation circuit includes: a voltage level detector, which detects a level of a first high voltage to generate a first high voltage level detection signal and detects a level of a second high voltage to... Agent: F. Chau & Associates, LLC

20080122525 - Dynamic power supplies for semiconductor devices: This invention discloses a power supply management circuit which comprises at least one switching circuit coupled between a power supply and a power recipient circuit, and at least one voltage booster circuit coupled between a control circuit and the power recipient circuit, wherein the control circuit is configured to turn... Agent: Howard Chen, Esq. Preston Gates & Ellis LLP

20080122524 - Methods and circuits to reduce threshold voltage tolerance and skew in multi-threshold voltage applications: A circuit and a method for adjusting the performance of an integrated circuit, the circuit includes: first and second sets of FETs having respective first and second threshold voltages, the first threshold voltage different from the second threshold voltage; a first monitor circuit containing at least one FET of the... Agent: Schmeiser, Olsen & Watts

20080122526 - Start-up circuit for a bandgap circuit: A startup circuit operating with a bandgap circuit having a predetermined node with a current change proportional to temperature change and a current source connected to the predetermined node comprising: a controllable current switch connected between the predetermined node and a control node of the current source; wherein when the... Agent: Howard Chen, Esq., Preston Gates & Ellis LLP

20080122527 - Semiconductor integrated circuit device having internal voltage generating circuit: A semiconductor device includes a first voltage generator which outputs a first signal to a first node, a second voltage generator which outputs a second signal to a second node, a capacitor coupled between the first and second nodes; and a current supply circuit coupled to said second node. While... Agent: Mcginn Intellectual Property Law Group, PLLC

20080122528 - Stabilized dc power supply credit: A stabilized DC power supply circuit comprises an error amplifier circuit U1, an output amplifier circuit U2, an output voltage division circuit U3, and a reference voltage circuit U4. A bias current boost circuit U6 capable of stabilized operation is added to the DC power supply circuit. Since the feedback... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20080122529 - Programmable filter circuits and methods: Embodiments of the present invention include programmable filter circuits and methods. In one embodiment, the present invention includes a programmable filter for filtering an input signal comprising a storage element for storing a plurality of digital values representing a discrete time window function, and a plurality of filter channels, each... Agent: Fountainhead Law Group, PC

20080122530 - Transconductor and filter circuit: A transconductor and filter circuit is described. In one embodiment, a front end module within the transconductor and filter circuit converts a differential input voltage signal into a differential output current and supplies the output current at a differential output. A filter module coupled to the differential output of the... Agent: Ratnerprestia

20080116940 - Glitch suppressing apparatus: A glitch suppressing apparatus is provided. The glitch suppressing apparatus comprises four N-type transistors, four P-type transistors, a first delay circuit, a second delay circuit, a first logic circuit, a second logic circuit and two inverters. The glitch suppressing apparatus uses the specific connection relations and functions of the above... Agent: J C Patents, Inc.

20080116941 - Peak signal detector: A matched filter and peak detector identify peaks of a received signal. The peak detector may detect peaks during a fixed or adjustable time window. The peaks may be used as a preliminary decision (e.g., soft decision) for subsequent receiver decoding operations. The detector may be used to detect high... Agent: Qualcomm Incorporated

20080116942 - Drive voltage generator: The invention discloses drive voltage generators. A drive voltage generator comprises a voltage source, a variable current source, and a unity-gain buffer amplifier. The resistor is coupled between the voltage source and the output terminal of the variable current source. The output terminal of the variable current source is coupled... Agent: Birch Stewart Kolasch & Birch

20080116943 - True-differential dvi/hdmi line driver: A novel source-coupled differential driver circuit fully compatible with digital visual interface (DVI/HDMI) signaling specification is disclosed. Driven output signals are connected to the source terminals of driving switches in the invention circuit, minimizing the detrimental impact of miller coupling capacitance between gate nodes and driven output nodes upon output... Agent: Rajendran Nair Comlsi Inc.

20080116944 - Shift register, image display apparatus containing the same and signal generation circuit: A unit shift register includes a first transistor for supplying an output terminal with a clock signal, and second and third transistors for discharging the output terminal, and further includes a fourth transistor having its gate connected to the gate node of the second transistor and discharging the gate node... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080116945 - Power-on reset circuit: A determination unit of a power-on reset circuit of a semiconductor integrated circuit is provided that ANDs (1) a first monitoring signal output from a first monitoring unit for monitoring when a first source voltage supplied from outside the semiconductor integrated circuit reaches a predetermined level and (2) a second... Agent: Taft, Stettinius & Hollister LLP

20080116946 - Device for static phase error compensation in a phase-lock loop system with a symmetrical structure: In a symmetrical phase-lock loop (PLL) device, first (I1P1, I1P2) and second (I2P1, I2P2) pairs of switches are disposed between (i) first and second outputs of a symmetrical time/voltage conversion block and (ii) first and second inputs of a voltage processing block. In addition, third (I3P1, I3P2) and fourth (I4P1,... Agent: Brinks Hofer Gilson & Lione

20080116947 - Method and apparatus for distributing charge pump current and voltage for pll circuits: A method and apparatus for distributing charge pump current and voltage for phase-locked loop circuits includes a charge pump implemented with a plurality of charge pump stages, each providing substantially equal charge pump current. Each stage includes a respective associated buffer for receiving an incoming increment (INC) signal and an... Agent: Ibm Corporation Rochester Ip Law Dept 917

20080116948 - Delay apparatus and method thereof: The present invention provides a delay apparatus for delaying an input signal by a predetermined delay amount, including: a plurality of delay units for respectively delaying the input signal by the predetermined delay amount, each delay unit having a plurality of delay cells for respectively delaying the input signal by... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080116950 - Delay-locked loop circuit and method of generating multiplied clock therefrom: A delay-locked loop circuit includes: a phase detector generating a detection signal from a phase difference between an external clock signal and a feedback clock signal; a charge pump controlling a level of a voltage signal in response to the detection signal; and a voltage-controlled delay line generating a plurality... Agent: F. Chau & Associates, Llc

20080116949 - Wideband dual-loop data recovery dll architecture: A novel wideband, low bit-error rate, dual-loop data recovery architecture is disclosed. The architecture employs a wideband clock receiver PLL that receives a synchronizing clock and generates the necessary high frequency clock for data transmission and recovery. The wideband PLL translates operating frequency information into a current reference that is... Agent: Rajendran Nair Comlsi Inc.

20080116951 - Frequency multiplying delay-locked loop: Frequency multiplying delay-locked loop techniques are described in which a plurality of phase shifted signals are generated which have increased frequency relative to the incoming signal.... Agent: Lee & Hayes, Pllc

20080116952 - Latching input buffer circuit with variable hysteresis: An input buffer circuit with hysteresis includes a first stage and a second stage. The first stage includes a resistive device to provide a resistance between two nodes of the first stage. The two nodes are responsive to a signal input. The second stage includes four series-coupled transistors. A first... Agent: Freescale Semiconductor, Inc. Law Department

20080116953 - Flip-flop circuit: wherein the pulse generation circuit changes the internal clock signal from the first logic level to the second logic level in response to a change of the clock signal from a third logic level to a fourth logic level and changes the internal clock signal from the second logic level... Agent: Mcdermott Will & Emery LLP

20080116954 - Level shifter with speedy operation: A level shifter (100) includes a first transistor (111), a second transistor (112), a third transistor (121), a fourth transistor (122), a fifth transistor (151), and a sixth transistor (152). The first and second transistors are first-type transistors; and the third and fourth transistors are second-type transistors different from the... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080116955 - Driving circuit: The present invention provides a driving circuit. It includes a plurality of current mirrors to generate a first charge current and a second charge current in response to a reference current. A switch circuit generates a driving signal in response to an input signal. A driving switch is coupled between... Agent: Rosenberg, Klein & Lee

20080116956 - Semiconductor device operating in an active mode and a standby mode: A semiconductor device operates in an active mode or a standby mode, and includes a substrate-potential power source line supplying a substrate potential which is higher in a standby mode than in an active mode, and a source-potential power source line supplying a source potential which is lower in a... Agent: Foley And Lardner LLP Suite 500

20080116961 - Charge pump circuit: The invention is mainly directed to providing a charge pump circuit which realizes low power consumption. A first clock signal is supplied from an oscillator circuit to capacitor elements forming a charge pump circuit. A current generation circuit controls a current flowing through each of inverters by controlling operation of... Agent: Morrison & Foerster LLP

20080116960 - Charge pump-type dc/dc converter: A charge pump-type DC/DC converter is provided that steadily operates even when boosting reference voltage is low. A PMOS transistor for short-circuiting an output terminal of a charge pump of an initial stage with a booster reference voltage is provided to eliminate the influence of a parasitic diode of a... Agent: Volentine & Whitt Pllc

20080116957 - Circuit for initializing voltage pump and voltage pumping device using the same: A voltage pump initialization circuit is provided. The voltage pump initialization circuit includes an initialization signal generator for generating an initialization signal which is activated in response to a power-up signal, and an initializer for initializing a voltage pump in response to the initialization signal.... Agent: Cooper & Dunham, LLP

20080116959 - Method and apparatus for distributing charge pump current and voltage for pll circuits: A method and apparatus for distributing charge pump current and voltage for phase-locked loop circuits, and a design structure on which the subject circuit resides are provided. A charge pump implemented with a plurality of charge pump stages, each providing substantially equal charge pump current. Each stage includes a respective... Agent: Ibm Corporation Rochester Ip Law Dept 917

20080116958 - Voltage pumping device: A voltage pumping device is provided which includes a source voltage generator for generating a source voltage which has a first voltage level for a predetermined period and a second voltage level after a lapse of the predetermined period, the second voltage level being constant, and a pumping circuit configured... Agent: Cooper & Dunham, LLP

20080116962 - Circuit to compensate threshold voltage variation due to process variation: Structure and process for compensating threshold voltage variation due to process variation. The structure includes a circuit segmented into sub-blocks having a predetermined size corresponding to a characteristic length associated with a process variation. A local circuit is located in each circuit sub-block, and a reference signal coupled to each... Agent: Greenblum & Bernstein, P.L.C

20080116963 - Clock control circuit and voltage pumping device using the same: A clock control circuit is provided. The clock control circuit includes a voltage supplier for supplying a first voltage in response to a first clock signal, a voltage booster for boosting the first voltage in response to the first clock signal input to the voltage booster, and a clock generator... Agent: Cooper & Dunham, LLP

20080116964 - Apparatus and method for controlling the propagation delay of a circuit by controlling the voltage applied to the circuit: The voltage applied to an integrated circuit is controlled by a temporal process monitor formed as part of the integrated circuit. The temporal process monitor includes a voltage controlled oscillator for producing a first output signal having a first period. A comparator compares the first period to one or more... Agent: Macpherson Kwok Chen & Heid LLP

20080116965 - Reference voltage generation circuit: According to an aspect of the present invention, there is provided a reference voltage generation circuit including: a first transistor having a first gate, a first source and a first drain; a second transistor having a second gate connected to the first gate, a second source connected to the first... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080116966 - Switched capacitor circuit with inverting amplifier and offset unit: A switched capacitor circuit includes an amplifier, a charging unit, an offset unit, and an integrating unit. The charging unit is coupled between an input node and a first node, and is for accumulating charge corresponding to an input signal during a sampling mode. The offset unit is coupled between... Agent: Law Office Of Monica H Choi

20080116967 - Radio frequency zero crossing signal generator for optical disc drive: The invention discloses radio frequency zero crossing signal generators for optical disc drives, comprising a controllable low pass filter, a comparator, and a control circuit. The controllable low pass filter evaluates an average level of the magnitude of a radio frequency ripple from an optical disc drive. The comparator compares... Agent: Birch Stewart Kolasch & Birch

20080111585 - Detection device, sensor, and electronic instrument: A detection device includes a detection circuit and a reference voltage supply circuit. The detection circuit includes an amplifier circuit, a synchronous detection circuit, and a filter section. The reference voltage supply circuit includes a first supply circuit which includes a reference-voltage first-type operational amplifier and supplies an analog reference... Agent: Oliff & Berridge, Plc

20080111586 - Method for determining a memory type and related electronic device: An electronic device for determining a type of a memory includes a comparator and a reset controller. The comparator for generating a discrimination signal according to a reference voltage and a first voltage of the memory, includes a first input end for receiving the first voltage, a second input end... Agent: North America Intellectual Property Corporation

20080111588 - Input buffer circuit: The input buffer circuit includes: a first buffer adapted to buffer a clock enable signal in modes other than a self refresh mode; a second buffer adapted to buffer the clock enable signal in the self refresh mode; and an output unit adapted to select output signals of the first... Agent: Venable LLP

20080111587 - Input receiver with negative voltage generator and related method: An input receiver includes a negative voltage generator and an amplifier for amplifying an input signal. The negative voltage generator generates a negative voltage. The amplifier is coupled to the input signal, a supply voltage, and the negative voltage, and amplifies the input signal to generate an amplified signal accordingly.... Agent: North America Intellectual Property Corporation

20080111589 - System for adjusting driving capability of output stage: A driving adjustment circuit that increases the driving capability of amplifier by adding a driving current directly to an output stage of the amplifier is provided. The driving adjustment circuit adjusts the driving capability according to an external load. Thus, the present invention not only solves the problem of insufficient... Agent: Jianq Chyun Intellectual Property Office

20080111590 - Buffer for driving capacitive load: A buffer circuit buffers incoming signals, from a local oscillator generator to a mixing circuit and has a push-pull circuit having two inputs, a first being coupled to a first incoming signal, and a second of the inputs being coupled to one of the buffered versions of the incoming signals,... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.c.

20080111591 - Ramp generation circuit and a/d converter: A ramp generation circuit including, a charge supply unit which generates predetermined charges every predetermined time, an integration circuit which accumulates the charges generated from the charge supply unit and converts the charges into a voltage, and, an attenuation unit which outputs, to an output terminal, a voltage obtained by... Agent: Amin, Turocy & Calvin, LLP

20080111592 - Method for providing a power on reset signal with a quadratic current compared to an exponential current: Aspects of the present invention include a method, apparatus and device for generating a power on reset (POR) signal in relation to the crossing point of two currents wherein at least one current is a quadratic function and the other is an exponential function, where each has a mathematical correlation... Agent: Sawyer Law Group LLP

20080111593 - Power-up reset circuits and semiconductor devices including the same: A power-up reset circuit includes a sensing circuit and an output circuit. The sensing circuit outputs a node voltage in response to an external power supply voltage. The output circuit outputs a voltage sensing signal in response to the node voltage. A signal generation circuit outputs a reset signal in... Agent: Harness, Dickey & Pierce, P.L.C

20080111594 - Switching booster power circuit: A switching booster power circuit includes a power switch, a booster circuit, a switching control, a voltage detector and a delay circuit. The voltage detector detects an input voltage value at a predetermined point of an electricity supply line from the power switch to an electric load, and determines the... Agent: Harness, Dickey & Pierce, P.L.C

20080111595 - Dll circuit and method of controlling the same: A DLL circuit includes a clock selection control unit configured to generate a clock selection signal on the basis of a phase difference between a reference clock and a feedback clock and, after the clock selection signal is generated, to generate an initialization signal. A delay control unit, when the... Agent: Venable LLP

20080111596 - Circuit and method for generating data output control signal for semiconductor integrated circuit: The data output control signal generating circuit includes a delay correction signal generating unit that delays an input signal by a phase difference between a clock and a delay locked loop clock, and latches the delayed signal to generate a plurality of output enable signals. A column address strobe latency... Agent: Venable LLP

20080111597 - Systems and arrangements for controlling a phase locked loop: A high speed, low jitter phase locked loop (PLL) with feed forward phase frequency detection is disclosed. The phase frequency detector can include a phase difference sensor providing an output signal indicating a phase difference duration between a rising edge of a reference signal and a rising edge of a... Agent: Ibm Coporation (rtp) C/o Schubert Osterrieder & Nickelson Pllc

20080111598 - Charge pump circuit with reduced parasitic capacitance: A charge pump circuit is provided with a capacitor for generating a boosted voltage from a power supply voltage in response to a clock signal; and an output node from which the boosted voltage is externally outputted. The capacitor includes a first well formed within a substrate, a second well... Agent: Sughrue Mion, Pllc

20080111600 - Apparatus and method of setting operation mode in dll circuit: An apparatus for setting an operation mode in a DLL circuit generates a locking completion signal according to a level of a phase comparing signal obtained by comparing phases of a reference clock and a feedback clock. During three or more cycles of a pulse signal, it is determined whether... Agent: Venable LLP

20080111599 - Wideband dual-loop data recovery dll architecture: A novel wideband, low bit-error rate, dual-loop data recovery architecture is disclosed. The architecture employs a wideband clock receiver PLL that receives a synchronizing clock and generates the necessary high frequency clock for data transmission and recovery. The wideband PLL translates operating frequency information into a current reference that is... Agent: Rajendran Nair, Comlsi Inc.

20080111601 - Delay line calibration: A tunable delay line is calibrated to maintain the delay of the delay line at a desired value or within a desired range of values. In some aspects a signal is passed through a delay line multiple times so that the cumulative delay of the signal through the delay line... Agent: Qualcomm Incorporated

20080111602 - Cycle modulation circuit capable of limiting peak voltage: A cycle modulation circuit capable of limiting peak voltage to provide a pulse width control signal to a rear end power driving unit includes a comparison unit, an input voltage source and a linear voltage generation unit. The comparison unit compares an oscillation waveform signal generated by the linear voltage... Agent: Birch Stewart Kolasch & Birch

20080111603 - Pulse controller with dual latches: A pulse controller with dual latches includes a first latch unit and a second latch unit, in which two latch units are used to latch signal level for ensuring a sufficient conducting amount of the switching element in the rear end power output unit, and through a mutual interaction between... Agent: Birch Stewart Kolasch & Birch

20080111604 - Digital circuit to measure and/or correct duty cycles: A method, an apparatus, and a computer program are provided to measure and/or correct duty cycles. Duty cycles of various signals, specifically clocking signals, are important. However, measurement of very high frequency signals, off-chip, and in a laboratory environment can be very difficult and present numerous problems. To combat problems... Agent: Ibm Corporation (cs) C/o Carr LLP

20080111605 - Reset circuit of high voltage circuit: A reset transistor is prevented from being deteriorated when power-down occurs during a programming operation or an erasing operation. It is made possible to protect the reset transistor as well as other transistors in a circuit to which a high voltage is applied when the power-down occurs during the erasing... Agent: Morrison & Foerster LLP

20080111606 - Set/reset latch with minimum single event upset: A method and latch circuits are provided for implementing enhanced noise immunity performance. Each latch circuit includes an L1 latch and an L2 latch coupled to the L1 latch. Data is first latched in the L1 latch during a first half clock cycle and then latched in the L2 latch... Agent: Ibm Corporation Rochester Ip Law Dept 917

20080111607 - Amplitude-linear differential phase shift circuit: A broad frequency range phase shift circuit is responsive to a radio-frequency signal generated by a radio-frequency source and generates a lagging phase signal and a leading phase signal, 90° out of phase with the lagging phase signal, corresponding to the radio-frequency signal. An operational amplifier has a signal input... Agent: Bryan W. Bockhop, Esq. Bockhop & Associates, Llc

20080111608 - Variable delay element: A variable delay element includes first and second input stages, each input stage comprising a charge pumping circuit and a discharging circuit, each charge pumping circuit and each discharging circuit associated with the first and second input stages configured to operate on opposite phases of an input signal, and an... Agent: Kathy Manke Avago Technologies Limited

20080111610 - Level conversion circuit: A level conversion circuit includes a high-potential-side level conversion unit which is connected between a first high-voltage power supply and a first low-voltage power supply, and converts a high-potential-side voltage of an input signal, a low-potential-side level conversion unit which is connected between a second high-voltage power supply with a... Agent: Amin, Turocy & Calvin, LLP

20080111609 - Voltage level shifter and method thereof: A voltage level shifter converts an input signal into an output signal. While the input signal is high to the output signal is high either. Moreover, while the input signal is low the output signal is low either.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080111611 - Cmos power switching circuit usable in dc-dc converter: A power switching circuit in CMOS technology has a power MOS transistor and a driver stage. The power MOS transistor is operated at a higher supply voltage in excess of its maximum allowable gate-source voltage; and the driver stage of the level shifter is operated at a lower supply voltage... Agent: Texas Instruments Incorporated

20080111612 - Pumping voltage generating apparatus of semiconductor integrated circuit: A pumping voltage generating apparatus includes a detection signal generating unit that generates a detection signal when a pumping voltage is lower than a reference value. A pumping unit elevates a first external voltage by a second external voltage to be output as the pumping voltage, in response to the... Agent: Venable LLP

20080111613 - Voltage pumping device: A voltage pumping device is disclosed. The device may include a voltage level detector for detecting a level of a voltage fed back thereto and generating a voltage pumping enable signal according to the detected voltage level, an oscillator for operating in response to the voltage pumping enable signal and... Agent: Marshall, Gerstein & Borun LLP

20080111614 - Semiconductor device: A semiconductor device comprising an internal current generating section (1) for supplying an output current (i2) dependent on an input current (i1) into an IC, an external terminal (2) for connecting an external resistor (Rex) to the input end side of the internal current generating section (1), a current limiting... Agent: Fish & Richardson P.c.

20080111615 - Voltage generator in a flash memory device: A flash memory device applies a low read voltage at increased flash memory device temperatures. A high read voltage is applied when a supply voltage is high, thereby maintaining a stable threshold voltage margin of a programmed cell or an erased cell. As a result, the reliability of the flash... Agent: Townsend And Townsend And Crew, LLP

20080111616 - Compensation for leakage current variation by the utilization of an automatic self-adaptive keeper: A method and system for automatically detecting and optimally compensating a wide range of die leakage currents in dynamic circuits is presented. A self-adaptive keeper tracks the leakage and reduces the leakage effects by optimally controlled compensation current. The self-adaptive keeper utilizes a 2-stage embedded current mirror circuit, a dummy... Agent: Dillon & Yudell LLP

20080111617 - Reduction of temperature dependence of a reference voltage: An apparatus and a method to reduce temperature dependence of a reference voltage have been presented. In one embodiment, the method includes generating a reference voltage associated with a difference between a first threshold voltage of a first transistor and a second threshold voltage of a second transistor. The method... Agent: Daniel E. Ovanezian Blakely, Sokoloff, Taylor & Zafman LLP

20080106304 - Semiconductor circuits using vertical bipolar junction transistor: An amplifier circuit includes: an amplification transistor, which is connected to an input node and an output node, amplifying an input signal and generating an output signal; and a load connected between the output node and a predetermined power supply node, wherein the amplification transistor is a vertical bipolar junction... Agent: Frank Chau, Esq. F. Chau & Associates, LLC

20080106305 - Comparator circuit: A comparator circuit for reducing current consumption in a low consumption mode while suppressing the generation of glitches during a transitional period. The comparator circuit includes a comparison core circuit unit, a monitor circuit unit formed by a first transistor, and a nonlinear amplification circuit. The comparison core circuit includes... Agent: Freescale Semiconductor, Inc. Law Department

20080106306 - Programmable cable with deskew and performance analysis circuits: An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embedded circuits are tuned at production for best performance by observing... Agent: Victoria Donnelly Hazeldean Rpo

20080106307 - Voice coil driving device and method for applying electric current: A voice coil type driving device includes: a voice coil for securing a driving force depending on applied electric current; a position level generator for generating control signals so as to control the electric current applied to the voice coil in multiple levels; and a driving circuit for controlling the... Agent: Cha & Reiter, LLC

20080106308 - Power-on reset circuit: The power-on reset circuit of the present invention includes a buffer, a delay circuit connected to the buffer and a constant current source circuit connected to the delay circuit. The delay circuit is made up by two capacitors, two resistors, an NMOS transistor and a PMOS transistor. The two capacitors... Agent: Bacon & Thomas, PLLC

20080106309 - Reset device: A disclosed reset device for outputting a reset signal based on a magnitude of an input power supply voltage includes: a power supply voltage monitoring unit including a comparator to which a detection voltage detected based on the magnitude of the power supply voltage and a reference voltage to be... Agent: Ladas & Parry LLP

20080106310 - Phase locked loop utilizing frequency folding: A phase locked loop (PLL), including a phase-frequency detector receiving two clock signals and outputting a phase detection signal corresponding to the phase difference between the two clock signals is provided. A controller receives the phase detection signal and generates a first control signal and a second control signal according... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080106311 - Delay circuit of semiconductor device: A delay circuit of a semiconductor device increases its delay time as an external voltage increases. The delay circuit can also ensure a desired delay time according to an external voltage, without additional delay circuits. The delay circuit of the semiconductor device includes a first delay unit, and a second... Agent: Blakely Sokoloff Taylor & Zafman

20080106313 - High-speed cable with embedded power control: An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embedded circuits are tuned at production for best performance by observing... Agent: Victoria Donnelly Hazeldean Rpo

20080106314 - Programmable high-speed cable with boost device: An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embedded circuits are tuned at production for best performance by observing... Agent: Victoria Donnelly

20080106312 - Programmable high-speed cable with printed circuit board and boost device: An HDMI cable carries high speed encoded data which are transmitted differentially over data channels, along with a clock. High-frequency loss and differential skew within a differential signal may be compensated by analog circuits embedded in the cable. These embedded circuits are tuned at production for best performance by observing... Agent: Victoria Donnelly Hazeldean Rpo

20080106315 - Dynamic floating input d flip-flop: A dynamic floating input D flip-flop (DFIDFF) is provided. The DFIDFF includes a floating input stage, a first string of transistors, and a second string of transistors. At a pre-charge period, the floating input stage transmits the input data to the first string of transistors; the first string of transistors... Agent: Jianq Chyun Intellectual Property Office

20080106316 - Clock generator, data driver, clock generating method for liquid crystal display device: A clock generator and data driver for a liquid crystal display device in which the clock generator includes a bias voltage supply receiving a power supply voltage and generating a bias voltage, an internal clock generator converting differential clock signals into an internal clock signal in response to the bias... Agent: Macpherson Kwok Chen & Heid LLP

20080106317 - Controllable resistive circuit for providing a continuous variable resistance: The present invention sets forth a controllable resistive circuit which comprises a transistor, a capacitor, a charging unit and a discharging unit. The transistor is capable of providing a variable resistance which is controlled to vary continuously and smoothly. The charging and discharging units are used to respectively charge and... Agent: Madson & Austin

20080106318 - Semiconductor device and a level shift circuit: e

20080106319 - Igbt-driver circuit for desaturated turn-off with high desaturation level: A driver circuit comprising an insulated gate bipolar transistor having a collector coupled to a voltage supply, an emitter coupled to a source of reference potential, and a gate configured to receive a control signal from a driver circuit, and a desaturation circuit conductively coupled between an insulated gate and... Agent: Schwegman, Lundberg & Woessner / Infineon

20080106320 - Inverter apparatus: To provide a highly reliable inverter apparatus which discriminates long-cycle noise generated by the isolated signal transmission element from short-cycle dv/dt noise and induction noise. A low pass filter, band pass filter, and a switching means are provided between the input section of the gate drive circuit of the voltage-drive... Agent: Crowell & Moring LLP Intellectual Property Group

20080106322 - On die thermal sensor in semiconductor memory device: An on die thermal sensor in a semiconductor memory device includes: a reference voltage generating unit for generating a band gap voltage and generating a reference voltage by using the base band gap voltage; a voltage amplifying unit for outputting a temperature voltage by amplifying the band gap voltage; and... Agent: Mcdermott Will & Emery LLP

20080106321 - Semiconductor memory device having on die thermal sensor: A semiconductor memory device includes: a temperature information output unit for measuring an internal temperature of the semiconductor memory device, and generating a plurality of flag signals, each voltage level of which varies according to the measured internal temperature; a self-refresh oscillation unit for providing a self-refresh period corresponding to... Agent: Mcdermott Will & Emery LLP

20080106323 - Electrically programmable fuse sense circuit: A electrically programmable fuse sense circuit having an electrically programmable fuse and a reference resistance. A first current source is coupled, through a first switch, to the electrically programmable fuse. A second current source is coupled, through a second switch, to the reference resistance. A precharge signal enables the first... Agent: Ibm Corporation RochesterIPLaw Dept. 917

20080106324 - Power source noise measuring device, integrated circuit, and semiconductor devide: To accurately measure power source noise generated inside an integrated circuit, the power source noise measuring device comprises: a mutual inductor pair placed inside an integrated circuit, the mutual inductor pair including (i) a first inductor connected to between power source voltages of the integrated circuit and (ii) a second... Agent: Staas & Halsey LLP

20080106325 - System and method for switching between high voltage and low voltage: A system and method for providing a voltage. The system includes a first transistor including a first gate, a first terminal, and a second terminal. The first terminal is configured to receive a first predetermined voltage, and the first gate is configured to receive a first control signal. Additionally, the... Agent: Townsend And Townsend And Crew, LLP

20080106326 - Reference voltage circuit and method for providing a reference voltage: A high precision reference voltage circuit for generating a reference voltage includes a reference voltage generation circuit for generating a reference voltage, a temperature detection circuit for detecting a temperature at the reference voltage generation circuit, and a control circuit for controlling a temperature characteristic of the reference voltage generation... Agent: Brinks Hofer Gilson & Lione/infineon Infineon

20080106327 - Closed-loop control for performance tuning: The present invention relates to a method and circuit arrangement for controlling performance of an integrated circuit in response to a monitored performance indicator, wherein power supply of the integrated circuit is controlled based on said performance indicator. At least one of a noise level of the controlled power supply... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080106328 - Semiconductor die micro electro-mechanical switch management system and method: A die micro electro-mechanical switch management system and method facilitate power conservation by selectively preventing electrical current from flowing in designated components. A present invention semiconductor die comprises a block of transistors for performing switching operations, a bus (e.g., a power bus, a signal bus, etc.) for conveying electrical current... Agent: Murabito Hao & Barnes LLP

20080106329 - Apparatus for adjusting frequency characteristic and q factor of low pass filter and method thereof: Provided are an apparatus for adjusting frequency characteristic and Q factor of a low pass filter (LPF) and a method thereof. The apparatus includes: a frequency comparing unit for calculating a first square value and a second square value, and comparing a first reference value with the first and the... Agent: Ladas & Parry LLP

20080100346 - Method and apparatus for measuring pulse widths of a side-band signal: Example embodiments are directed to an apparatus and method for measuring a pulse width. A side-band signal generator may be configured to receive a given data pattern and output a side-band signal by modulating a pulse width of the received data pattern in a test mode. A phase detector may... Agent: Harness, Dickey & Pierce, P.L.C

20080100348 - Semiconductor device: A semiconductor device, includes a lower layer side insulation film; a wiring pattern formed on the lower layer side insulation film; a base insulation film formed on the lower layer side insulation film and the wiring pattern; and a plurality of metal thin film resistance elements formed on the base... Agent: Cooper & Dunham, LLP

20080100347 - Signal detecting circuit: A full-wave rectifier circuit receives complementary signals and produces a current corresponding to an added value of differential signals at different levels. A voltage comparator performs a comparison between output signals produced and subjected to current addition and voltage conversion by the full-wave rectifier circuit. A timer detects whether an... Agent: Mcdermott Will & Emery LLP

20080100349 - Driving apparatus having an adjustable driving current output: An exemplary driving apparatus capable of generating a driving current, including: an analog input generating circuit, an analog input driving circuit, and an output circuit. The analog input generating circuit is electrically connected between a first voltage source and the ground and configured (i.e., structured and arranged) for supplying an... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang J

20080100350 - Spread spectrum clock and reference signal generator: Exemplary embodiments of the invention provide a system, method and apparatus for spread spectrum functionality for a free-running, reference harmonic oscillator. In an exemplary embodiment, an apparatus comprises a reference oscillator adapted to provide a reference signal having a reference frequency; and a spread spectrum controller adapted to control the... Agent: Gamburd Law Group LLC

20080100351 - Power-on reset circuit: A power-on reset circuit includes a power detector to generate a detect voltage by detecting an internal voltage. An output unit outputs a power-up reset signal using the detect voltage. A delay unit is configured to delay the power-up reset signal and generate a delay voltage. A switch device is... Agent: Townsend And Townsend And Crew, LLP

20080100352 - Phase locked loop without a charge pump and integrated circuit having the same: A phase locked loop includes a phase-frequency detector and a loop filter. The phase-frequency detector compares phases of an input signal and a feedback signal to generate first and second control signals. The loop filter includes a pull-up resistor, a pull-down resistor and a capacitance unit. The loop filter receives... Agent: Mills & Onello LLP

20080100353 - Delay locked loop: A delay locked loop includes a buffer for outputting an internal clock by buffering an external clock, a delay block for delaying the internal clock in response to one of control signals or a selection signal, thereby outputting a delayed clock, a control signal generation block for generating at least... Agent: Mcdermott Will & Emery LLP

20080100357 - Delay locked loop circuit, semiconductor device having the same and method of controlling the same: A delay locked loop (DLL) circuit includes a basic loop, a coarse loop, a delay model and a fine loop. The basic loop generates a plurality of first clock signals, based at least in part on an input clock signal, a feedback clock signal and a fine loop output signal.... Agent: Lee & Morse, P.C.

20080100354 - Delay locked loop of semiconductor device and method for driving the same: A delay locked loop (DLL) of a semiconductor device includes: a first delay line for delaying a first clock signal in synchronization with a first edge of an external clock signal to output a first delayed clock signal; a second delay line for delaying a second clock signal in synchronization... Agent: Mcdermott Will & Emery LLP

20080100356 - Delay locked loop circuit: A delay locked loop (DLL) circuit has a first delay line that delays a received external clock signal for a fine delay time and then outputs a first internal clock signal; a duty cycle correction unit that corrects a duty cycle of the first internal clock signal and then outputs... Agent: Mills & Onello LLP

20080100355 - Phase-locked loop circuit: A voltage controlled oscillator 8 is configured to include a plurality of variable delay circuits 30 that are connected to one another so as to form a ring. Output fixing units 31 each of which fixes, when the voltage controlled oscillator 8 stops operating, the output of a corresponding one... Agent: Oliff & Berridge, PLC

20080100358 - Counter control signal generating circuit: A counter control signal generating circuit is disclosed. The circuit includes a first counter configured to receive a latched external address, and count the latched external address for a first latency, thereby generating a first counted address, a second counter for counting the first counted address for a second latency,... Agent: Cooper & Dunham, LLP

20080100359 - Clock regeneration circuit: There is disclosed a clock regeneration circuit having a PCR buffer including a register which buffers a PCR extracted from a transmission signal, a counter which counts a reception side reference clock CKr, an STC buffer including a register which buffers a counted value of the counter, and a CPU... Agent: Cantor Colburn, LLP

20080100361 - Normal mode and green mode pulse width modulation controller: A PWM controller that effectively transitions between normal mode and green power mode is disclosed. A driver provides a normal drive signal during normal operation. A pulse width detector detects the pulse width of the PWM signal and if the pulse width drops below a threshold the normal mode drive... Agent: Sinorica, LLC

20080100360 - Pulsed local clock buffer (lcb) characterization ring oscillator: In an exemplary embodiment of the present invention, a local clock buffer (LCB) fabricated in a semiconductor receives a global clock signal as input. The LCB implements a pulse width controller that is operationally coupled to the LCB and an output driver forming a ring oscillator. The output driver outputs... Agent: Cantor Colburn LLP - IBM Austin

20080100362 - Pulse width modulation sequence maintaining maximally flat voltage during current transients: A digital circuit implementing pulse width modulation controls power delivered in what one can model as a second order or higher order system. An exemplary control plant could embody a step-down switch mode power supply providing a precise sequence of voltages or currents to any of a variety of loads... Agent: Andrew R. Gizara

20080100363 - Storage device and methods thereof: A storage device and methods thereof are disclosed. The device includes a clock control module and a latch. During normal operation, the clock control module provides a periodic clock signal to a clock input of the latch, allowing the latch to operate normally. In a low power mode of operation,... Agent: Larson Newman Abel Polansky & White, LLP

20080100364 - Multiphase clock generation circuit: Provided is a multiphase clock generation circuit (1) including: a phase-locked loop circuit (10) for generating multiphase clock signals based on a reference clock signal; a frequency profile holding circuit (20) for holding a frequency profile of each of the multiphase clock signals, starting output of the frequency profile in... Agent: Mcginn Intellectual Property Law Group, PLLC

20080100365 - Spread spectrum clock generator: A digitally controlled delay line generates a clock signal. The clock signal can be modulates as a spread spectrum clock signal. In an example embodiment, the programmable delay line has an input for receiving a signal, an output that delays outputting the input signal by a time period programmed into... Agent: Tucker Ellis & West LLP

20080100366 - Signal processing method and signal processing apparatus: A signal processing method and apparatus reducing distortion using divided signals differing in only amplitude by weighting an input signal by first weights ki (i=1 to 4) to obtain divided signals, performing the same signal processing f(x) on the divided signals, weighting the signal processed divided signals by second weights... Agent: Staas & Halsey LLP

20080100367 - Crosstalk noise reduction circuit and method: In a semiconductor device, a method for reducing the effect of crosstalk from an aggressor line to a victim line begins with sensing the occurrence of a voltage change on the aggressor line that can induce a voltage pulse having a pulse magnitude that exceeds a pulse threshold on the... Agent: Stmicroelectronics, Inc.

20080100368 - Integrated circuit system and control method thereof: An integrated circuit system and method are provided. The system includes a plurality of integrated circuits (ICs) which transmit and receive a data signal and a clock signal; a sensing part which senses an environment of the integrated circuit system to generate environment data; and a control part which adjusts... Agent: Sughrue Mion, PLLC

20080100369 - Integrated virtual voltage circuit: The present invention provides an integrated virtual voltage circuit for use with a sub-circuit. In one embodiment, the integrated virtual voltage circuit includes a MOS transistor switch coupled to a supply voltage and configured to employ a drain to provide an operating voltage for the sub-circuit during switch activation. Additionally,... Agent: Texas Instruments Incorporated

20080100370 - Charge pump: A charge pump includes a level shifter and a charge exchange control switching circuit. The level shifter can enhance the levels of a first and second clock signals, and output a first and a second control signal corresponding to the enhanced signals. Based on the first and second control signals,... Agent: North America Intellectual Property Corporation

20080100371 - Dual rail generator: Some embodiments disclosed herein provide dual rail generators to provide a high and a low supply rail.... Agent: Blakely Sokoloff Taylor & Zafman

20080100373 - Bandwidth calibration of active filter: An active RC filter has an op-amp and a biasing circuit arranged to bias the op-amp to set a gain bandwidth product of the op-amp according to a desired pole frequency of the filter. The biasing circuit is operable according to an output of an RC calibration circuit. The op-amp... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20080100372 - Filter of adjustable frequency response and method thereof: A filter of an adjustable frequency response comprises a plurality of filters having a plurality of distinct frequency responses, respectively. These filters receive a common input signal and generate a plurality of intermediate signals, respectively. A multiplexing circuit is used to select one of these intermediate signals as a filtered... Agent: North America Intellectual Property Corporation

20080100374 - Programmable filters and methods of operation thereof: Programmable filters are used for the purpose of changing the filter cutoff frequency as may be necessary for the operation of a wireless transmitter or receiver. Frequencies may be changed by selecting a desirable value of a capacitor and/or a resistor. The programmable filter controls the frequency according to the... Agent: Blakely Sokoloff Taylor & Zafman

20080100375 - Integrated channel filter using multiple resonant filters and method of operation: A circuit includes a first filter comprising a first inductor coupled to a first variable capacitor, wherein the first filter is associated with a first resonant frequency. The circuit further comprises an amplifier coupled to the first filter and a second filter coupled to the amplifier. The second filter comprises... Agent: Baker Botts L.L.P.

20080100376 - Voltage conversion device having non-linear gain and changeable gain polarity: A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output module. The switch module is used for outputting analog... Agent: North America Intellectual Property Corporation

20080100377 - Methods and devices for providing an amplitude estimate of a time varying signal: A JFET transistor device configured to provide an amplitude estimate of a time varying input signal, and associated methods for using such a device, are disclosed. An exemplary JFET transistor device includes a gate region and a substrate (back gate, or the like), at least one of which is at... Agent: Darryl G. Walker

20080100378 - Circuits and methods for controlling a switch: A circuit having a first circuit portion configured to receive a pulse-width modulated first signal and a second signal, and configured to generate third and fourth signals each responsive to the first and second signals; a second circuit portion configured to receive the third and fourth signals and to generate... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052