Electricity: power supply or regulation systems inventions 01/09

20090027015 - Dc/dc converter with improved stability: The DC/DC converter according to one embodiment includes a switch, an inductor, a capacitor, a resistor, and a voltage divider. The switch is coupled to the input voltage. The inductor is used for coupling the first switch to an output node of the DC/DC converter so as to generate the... Agent: O2micro Inc C/o Murabito, Hao & Barnes LLP

20090027016 - Auxiliary lighting circuit for a gaseous discharge lamp: A non-arcing electrical switch comprising means for sensing current, means for impressing a source potential across the electrical switch, means for controlling voltage; and means for controlling phase, wherein the means for sensing current, the means for impressing a source potential across the electrical switch, the means for controlling phase... Agent: Levenfeld Pearlstein, LLC Intellectual Property Department

20090027017 - Circuit arrangement for the regulation of a current through a load: A circuit arrangement (1) for the regulation of a current (IL) through a load (RL) comprises: a resistance (RS), through which a load current (IL) flows and across which a voltage (VS) drops, which serves as a control variable (X) for the regulation of the load current (IL), a tapping... Agent: Walter A. Hackler, Ph.d. Patent Law Office

20090027018 - Integrated circuit and a method for selecting a voltage in an integrated circuit: An integrated circuit comprising an adjustable voltage source to allow a plurality of voltage values to be selected; means for measuring a voltage value derived from the adjustable voltage source; and means for configuring the adjustable voltage source to provide a selected voltage value, wherein the selected voltage value is... Agent: Freescale Semiconductor, Inc. Law Department

20090027022 - Charge pump circuit, and control circuit and control method thereof: A first switch group includes switches provided on a path for charging a flying capacitor using an input voltage. A second switch group includes switches provided on a path for charging an output capacitor using charge stored in the flying capacitor. A pulse modulator generates a pulse signal having a... Agent: Cantor Colburn, LLP

20090027019 - Control loop for switching power converters: A control loop for a clocked switching power converter where the loop features a comparator (44) and a filter (61) in series to linearize the nonlinear response of the comparator (44). The filter (61) has poles and zeros offsetting the poles and zeros of a bridge rectifier (M1 and M2).... Agent: Law Offices Of James E. Eakin

20090027021 - Dead-time transition adjustments for synchronous power converters: A method of operating a synchronous power converter detects when at least one of an upper power switch and a lower power switch of the converter transition to an off state during a dead-time transition interval between the upper power switch and the lower power switch. The method generates a... Agent: Fogg & Powers LLC

20090027023 - Switching regulator circuit: Provided is a switching regulator having satisfactory energy conversion efficiency during light load conditions. Such a structure is employed that an oscillating frequency for the switching regulator and a drive capability of a switch element are variable and such a control is taken that during the light load, the oscillating... Agent: Bruce L. Adams, Esq. Adams & Wilks

20090027020 - Threshold voltage monitoring and control in synchronous power converters: A method of providing threshold voltage monitoring and control in synchronous power converters is disclosed. The method establishes a threshold voltage level for at least one of an upper gate and a lower gate power switch in a synchronous power converter. The threshold voltage levels indicate switching delay times are... Agent: Fogg & Powers LLC

20090027024 - Load current compensation in synchronous power converters: A method of operating a synchronous power converter generates a control signal in a load current compensation circuit based on a light load condition at the converter, where the control signal controls a gate driver for at least one power switch of the converter. When the gate driver is turned... Agent: Fogg & Powers LLC

20090027025 - Non-linear pwm controller: In one embodiment, the controller of these teachings includes a nonlinear controller component capable of providing an amplitude determining input signal to a control signal providing component, the control signal providing component providing output having a predetermined amplitude substantially over one time interval from a number of time intervals or... Agent: Burns & Levinson, LLP

20090027026 - Window comparator with accurate levels for use in dc-dc converters: The present invention relates to a improved feedback circuit for generating a quantized control signal representing the relation of a signal to be controlled relative to predetermined limits of at least one error signal window, the circuit comprising signal detecting means, a detected signal connected to error amplifying means for... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090027027 - Anti-ring asynchronous boost converter and anti-ring method for an asynchronous boost converter: The phase node voltage or the PWM signal in an asynchronous boost converter is monitored to detect a phase node voltage ringing. When a phase node voltage ringing is detected, a detection signal is asserted to establish a bypass path to bypass the inductor of the converter. A charge bypass... Agent: Rosenberg, Klein & Lee

20090027029 - Load control unit: A load control unit for controlling the supply of an electric power to a load from battery in accordance with a pulse-width modulation control includes: a reference voltage generating unit; a first charging/discharging unit; a second charging/discharging unit connected in series to the first charging/discharging unit to charge and discharge... Agent: Morgan Lewis & Bockius LLP

20090027028 - Pulse width modulated controller applied to switch-type voltage regulator: A PWM controller applied to switch-type voltage regulator includes an error amplifier, a soft-start control circuit, a compensating load and a comparator. The error amplifier receives a reference voltage signal and a feedback voltage signal and outputs an error current signal according to the received feedback voltage signal and the... Agent: Schmeiser, Olsen & Watts

20090027030 - Low noise bandgap voltage reference: A bandgap voltage reference circuit that can be implemented with low noise characteristics is described. To achieve such low noise, a bandgap reference circuit is provided that includes an amplifier coupled at its inputs to first and second transistors respectively, the transistors being arranged to generate a voltage representative of... Agent: Wolf Greenfield & Sacks, P.C.

20090027031 - Low noise bandgap voltage reference: A bandgap voltage reference circuit that can be implemented with low noise characteristics is described. To achieve such low noise, a bandgap reference circuit is provided that includes an amplifier coupled at its inputs to first and second transistors respectively, the transistors being arranged to generate a voltage representative of... Agent: Wolf Greenfield & Sacks, P.C.

20090027032 - Circuit arrangment for the temperature-dependent regulation of a load current: The invention concerns a circuit arrangement (2) for the regulation of a current (IL) through a load (RL), with: a resistance (RS), through which a load current (IL) flows and across which a voltage (VS) drops, which serves as a control variable for the regulation of the load current (IL),... Agent: Walter A. Hackler, Ph.d. Patent Law Office

20090027034 - Method and apparatus for regulating voltage in a remote device: A system and the method are provided for supplying power to a remote device. In one embodiment, the method involves regulating voltage for at least one device remote from a power source. The regulating includes monitoring a current response of the remote device and adjusting a voltage of the power... Agent: Proskauer Rose LLP

20090027033 - System and method for integrated temperature measurement in power over ethernet applications: A system and method for integrated thermal monitoring in Power over Ethernet (PoE) applications. Headroom in a particular cable installation is identified using ambient temperature measurement alone or in combination with determined cable characteristics. In calculating an amount of headroom for a particular cable installation, the current capable of being... Agent: Law Office Of Duane S. Kobayashi

20090027035 - Output regulation circuit of a power converter without current sensing loss and method thereof: An output regulation circuit of a power converter without current sensing loss includes a transforming circuit to receive a proportional voltage from the primary winding of the power converter. The first proportional voltage is transformed to a charging current signal. When the power switch during on-time period, the charging current... Agent: Dr. Banger Shia

20090021226 - Semiconductor integrated circuit and sensor driving/measuring system: In a sensor driving/measuring system, specifications required by a sensor which requires a high applied voltage are implemented with const increase suppressed. A semiconductor integrated circuit for use in a sensor driving/measuring system driven by a battery includes: a sensor driver for outputting a given voltage to be applied to... Agent: Mcdermott Will & Emery LLP

20090021227 - Power-supply device, ic circuit, and information processing apparatus, and soft-start control method: An electric current flowing to an upper side power MOSFET during soft-start is detected according to an on-voltage of the MOSFET and an on-pulse width of a PWM pulse for driving the upper side power MOSFET is forced to be reset in the idle and decided according to a signal... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090021228 - Integrated cmos dc-dc converter implementation in low-voltage cmos technology using ldo regulator: An electrical circuit and method of power management of a cellular telephone includes a battery adapted to produce a battery voltage; a LDO regulator operatively connected to the battery and adapted to provide a constant supply voltage from the battery voltage; and a DC-DC converter operatively connected to the LDO... Agent: Rahman Llc

20090021229 - Method and apparatus for enabling a voltage regulator: A voltage regulator circuit is operated by enabling a bias network operable to set a bias current in an amplifier. A startup circuit is connected to the bias network, the startup circuit operable to assist the bias network in setting the amplifier bias current during a startup period. The startup... Agent: Coats & Bennett/qimonda

20090021230 - Driving device and dislay device including the same: A driving voltage circuit for a liquid crystal display and a liquid crystal display using the driving voltage circuit. A liquid crystal display according to the present invention includes a liquid crystal display panel for displaying an image and a driving voltage generating circuit connected to the display panel, wherein... Agent: Macpherson Kwok Chen & Heid LLP

20090021231 - Voltage regulator: Provided is a voltage regulator having satisfactory transient response characteristics. Because a PMOS (25) and an NMOS (24) pass drain currents (charge and discharge currents with respect to gate of PMOS (26)) based on the square of voltage (ΔIR) according to change (ΔI) in drain currents of NMOSs (16 and... Agent: Bruce L. Adams, Esq Adams & Wilks

20090021232 - Switching regulator: A switching regulator according to the invention includes a resistor (R3) and a capacitor (C3) for generating a ramp signal from the AC component in the output of a hysteresis comparator (1). The switching regulator is characterized in that the hysteresis comparator (1) compares with a reference voltage outputted from... Agent: Fish & Richardson P.c.

20090021233 - Pwm controller with output current limitation: A PWM controller with output current limitation makes the over-current limitations almost the same even though the input voltages are different. The designer does not need to use high specification components or add an output current limiting circuit against the over-current condition. Costs are reduced and the layout is simplified.... Agent: Rosenberg, Klein & Lee

20090021234 - Ultra low-voltage sub-bandgap voltage reference generator: A low-voltage sub-bandgap reference circuit is disclosed. In one embodiment, the low-voltage sub-bandgap voltage reference circuit includes a differential amplifier and a first bipolar transistor with its base and collector coupled to an electrical ground. The reference circuit further includes a second bipolar transistor with base and collector coupled to... Agent: K & L Gates LLP

20090015214 - Power factor correction method and device: A power factor correction method and the controller thereof, applied to a boost-type converter, are provided. First, the power factor correction method uses the input and output voltages to generate a reference switching signal. Next, a voltage control circuit uses the difference between the output voltage and a voltage command... Agent: Rosenberg, Klein & Lee

20090015215 - Dynamic selection of oscillation signal frequency for power converter: In one embodiment, a method is provided for providing power to a radio-frequency (RF) component capable of operating under multiple communication standards, wherein each standard has a respective operating frequency. The method includes: receiving a communication standard signal indicative of which of the multiple communication standards the RF component is... Agent: Sidley Austin LLP

20090015216 - Input regulated dc to dc converter for power scavenging: A method of scavenging power in a circuit having a power source generating electric current includes connecting a power scavenging device having an input terminal pair and an output terminal pair to the circuit via the input terminal pair, dynamically regulating a voltage drop across the input terminal pair of... Agent: Marshall, Gerstein & Borun LLP (fisher)

20090015217 - Power supply controller and method therefor: In one embodiment, a power supply controller is configured to form a reference signal that has selectable values. The power supply controller is also configured to form a feed-forward signal in response to change in the value of the reference voltage and to use this feed-forward signal control the value... Agent: Mr. Jerry Chruma Semiconductor Components Industries, L.L.C.

20090015218 - Current-fed multiple-output power converter: A power converter is disclosed. According to one embodiment, the power converter includes a first stage including a current source for generating a current signal, and a second stage. The second stage includes n output circuits coupled to the current source for converting the current signal into n corresponding output... Agent: K&l Gates LLP

20090015220 - Switching power supply device, semiconductor intergrated circuit device and power supply device: A switching power supply device performs a stable operation with fast response for a semiconductor integrated circuit device. A capacitor is provided between the output side of an inductor and a ground potential. A first power MOSFET supplies an electric current from an input voltage to the input side of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090015219 - Voltage regulator pole shifting method and apparatus: A voltage regulator comprises first and second amplifier stages, a common-source output stage and a feedback path. The output stage drives a capacitive load with a regulated voltage responsive to a signal applied to the output stage. The capacitive load sets the dominant pole of the voltage regulator. The first... Agent: Coats & Bennett/qimonda

20090015221 - Voltage generating apparatus: A voltage generating apparatus generates an output voltage based on an input voltage. A voltage generator includes a first operational amplifier operative to receive the input voltage and a feedback voltage proportional to the output voltage. The voltage generator regulates the output voltage so that a virtual short circuit is... Agent: Martine Penilla & Gencarella, LLP

20090015222 - Constant voltage circuit capable of quickly responding to a sudden change of load current: A constant voltage circuit which is capable of quickly responding to a sudden change of an output voltage includes an output transistor, and first and second error amplifiers. The output transistor outputs a power with an output voltage and an output current to a load. The first error amplifier is... Agent: Dickstein Shapiro LLP

20090015224 - Dc-dc converter, driver ic, and system in package: A DC-DC converter that prevents self turn-on and improves the power efficiency is provided. In a non-insulated DC-DC converter, self turn-on is prevented by applying a negative voltage between a gate and a source of a low side MOSFET by the use of a capacitor for generating negative voltage when... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090015223 - Power supply voltage booster: A power supply voltage booster avoids inadequate step-up capability. In a voltage boosting circuit, a switching device connects and disconnects between the ground potential and one end of the coil, the other end of which is supplied with a supply voltage VB. The switching device is repeatedly turned ON and... Agent: Nixon & Vanderhye, PC

20090015227 - Load-induced voltage overshoot detection and correction in switching power supplies: One embodiment of the invention includes a switching power supply system. The system includes a switch network comprising at least one switch configured to provide an output voltage based on switching activity thereof. The system also includes a switching controller configured to control the switch network to maintain the output... Agent: Texas Instruments Incorporated

20090015226 - Method for implementing radiation hardened, power efficient, non isolated low output voltage dc/dc converters with non-radiation hardened components: A method of producing an economical DC/DC converter that efficiently produces a relatively low output voltage and operates in a high ionizing radiation dose environment such as found in spacecraft and particle accelerator applications. That is, the converter comprises two P-channel FETs, a switching means for switching conductivity between the... Agent: Stephen E. Feldman, P.C.

20090015225 - Method for regulating a voltage and circuit therefor: A voltage regulator (10) having an undervoltage protection circuit 11 and a method for protecting against an output voltage out being less than a predetermined level. The voltage regulator has an undershoot limitation circuit (11) coupled between a feedback network (30) and a regulation section (42). A power factor correction... Agent: Semiconductor Components Industries, LLC Intellectual Property Dept. - A700

20090015228 - Switching power supply circuit: A switching power supply circuit uses a magnetic material that is harder to be magnetically saturated than ferrite as a core of a transformer or a choke coil and suitably protects a switching element. The circuit includes a transformer having a core made of a magnetic material of amorphous metal,... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090015229 - Bi-directional dc power converter: A bidirectional power converter is presented. The power converter includes a circuit having a first and second power node and a first and a second internal node. Energy storage components are coupled between the power nodes and ground. A first switch is coupled between the first power node and the... Agent: Bay Area Intellectual Property Group, LLC

20090015230 - Method of controlling a step-up dc-dc converter and related converter: A method of controlling a DC-DC step-up converter including at least one power switch and an energy storage inductor may include comparing a converter output voltage to a first threshold and generating a first comparison flag based on the converter output voltage comparison. The method may also include comparing a... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090015231 - Digital pwm modulator with fast dynamic response and fine resolution: A pulse width (PWM) controller for a voltage converter having at least one switch, an Analog to Digital Converter (ADC) circuit for digitizing inputted state variables including a feedback voltage from an output of the voltage converter and a reference voltage for setting the output of the voltage converter and... Agent: Ostrolenk Faber Gerb & Soffen

20090015233 - Dynamic voltage transitions: The operating voltage of an integrated circuit (e.g., a processor) is changed in response to one or more conditions (e.g., a laptop computer is connected to an AC power source). Both the operating frequency and the operating voltage of the integrated circuit are changed. The voltage regulator providing the operating... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090015232 - Method and device for regulating a voltage supply to a semiconductor device: A device for regulating a voltage supply to a semiconductor device, the device comprising memory for storing a plurality of performance ranges, wherein the respective performance ranges are associated with a respective supply voltage; means for measuring the performance of the semiconductor device; and a regulator for modifying the supply... Agent: Freescale Semiconductor, Inc. Law Department

20090015234 - Full wave linear power supply voltage boost circuit: A power supply arrangement for an electricity meter includes an input, a full wave rectifier, and a voltage doubler circuit. The input is configured to receive a periodical input signal. The full wave rectifier is coupled to the input and has a first output. The first output is coupled to... Agent: Maginot, Moore & Beck Chase Tower

20090009147 - Low drop-out voltage regulator with high-performance linear and load regulation: A low drop-out voltage regulator with high-performance linear and load regulation, comprising: a reference voltage circuit, capable of providing a reference voltage; a differential amplifier; a power device, capable of driving a load resistor; a feedback circuit, disposed between the differential amplifier and the power device so that the differential... Agent: Wpat, PC

20090009148 - Steady state frequency control of variable frequency switching regulators: A steady state frequency control circuit for a variable frequency regulator including an open loop frequency control circuit, a frequency detector and a comparator circuit. The variable frequency regulator provides a clock signal indicating actual operating frequency and has a frequency control parameter for adjusting steady state operating frequency. The... Agent: Huffman Law Group, P.C.

20090009149 - System and method for limiting input voltage to a power delivery system having regeneration capability: A system and method for limiting input voltage to a power delivery system having regeneration capability. According to various embodiments, the system includes a regulator having a multiple input variables and at least one output variable; and an accumulator in communication with the regulator wherein the accumulator presets the output... Agent: Elsa Keller

20090009150 - Reference voltage generator with bootstrapping effect: An integrated electronic device for generating a reference voltage. The circuitry has a bias current generator for generating a first bias current, a diode element coupled to the bias current generator and fed by a second bias current derived from the first bias current for converting the second bias current... Agent: Texas Instruments Incorporated

20090009151 - Reference voltage generator with bootstrapping effect: An integrated electronic device for generating a reference voltage. The circuitry has a bias current generator for generating a first bias current, a diode element coupled to the bias current generator and fed by a second bias current derived from the first bias current for converting the second bias current... Agent: Texas Instruments Incorporated

20090009152 - 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, a first switch, a second switch, and a charge storage unit. The first switch is coupled between a first voltage and a node. The first switch determines... Agent: Jianq Chyun Intellectual Property Office

20090009153 - Multiple output ac/dc power adapter: A multiple output AC/DC power adapter is provided. The adapter includes an adapter body with an output connector and more than one output plugs configured for connecting with the output connector. The adapter body includes a DC-DC converting circuit having an input terminal, an output terminal, a first adjustment terminal.... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090001941 - Inductive powering surface for powering portable devices: Systems and methods for an inductive powering surface for powering portable devices are described. In one aspect, a powering device includes the inductive powering surface. The inductive powering surface includes multiple primary coils, an impedance auto-match circuit and other control circuits. The impedance auto-match circuit selectively energizes the primary coils... Agent: Lee & Hayes PLLC

20090001942 - Reactive power compensator and control device therefor: A reactive power compensator includes a control block with a limiter and a primary delay-control block with a limiter that set, based on an output of a voltage sensor, reactive power produced by an SVC to a predetermined value. A reactive power controller sets the reactive power produced by the... Agent: Buchanan, Ingersoll & Rooney PC

20090001943 - Current mode boost converter using slope compensation: A boost converter circuit that includes a power supply, an inductor coupled to the power supply to receive current from the power supply, a diode coupled to receive current from the inductor and coupled to provide current to a load as an output, an inductor switch coupled to a node... Agent: Murabito Hao & Barnes LLP

20090001944 - Soft start circuit and power supply including soft start circuit: A soft start circuit is connected to a pulse width modulation controller including an oscillator, and a functionality of modulating amplitude to a pulse width and a power supply includes the soft start circuit. The soft start circuit includes a frequency controlling unit, a duty ratio establishing unit, and a... Agent: Robert E. Bushnell

20090001945 - Circuit and method for phase shedding with reverse coupled inductor: In some embodiments, a regulator with a reverse coupled inductor is provided. It can operate in both a multi-phase and a phase shed mode. When in the phase shed mode, it has circuitry to provide a low resistance path for induced current.... Agent: Intel Corporation C/o Intellevate, LLC

20090001946 - System and method to calculate initial duty cycle: A system and method for determining an initial duty cycle for startup of a voltage regulator involves generating a first current source responsive to an input voltage to the voltage regulator and generating a second current source responsive to an output voltage of the voltage regulator. A first capacitor is... Agent: Howison & Arnott, L.l.p

20090001947 - Low power optimized voltage regulator: Methods and apparatus relating to low power optimized voltage regulators are described. In one embodiment, a voltage regulator controller may cause leakage current from a load to drain a capacitor (e.g., coupled in parallel with the load) during a reduced power state. Other embodiments are also disclosed.... Agent: Caven & Aghevli C/o Intellevate, LLC

20090001948 - Programmable power limiting for power transistor system: Various systems, methods and apparatuses are provided herein for limiting power dissipation in a switch. As one example, a method for limiting power dissipation is disclosed. The method includes monitoring current through the switch, and based at least in part on detecting that the current is at least as great... Agent: Texas Instruments Incorporated

20090001949 - Switching regulator and method of converting dc voltage: A switching regulator includes an inverter circuit and a size adjustment circuit. The inverter circuit converts an input voltage into an output voltage by a switching operation of a switch circuit. The size adjustment circuit controls an ON resistance of the switch circuit, depending on a power efficiency that is... Agent: Young & Thompson

20090001950 - Flash memory and related voltage regulator: A voltage regulator includes a voltage regulator unit configured to output a step voltage and a damping resistance switching unit coupled between a load and an output node of the voltage regulator and configured to select an optimal damping resistance value based on a required load capacity.... Agent: Volentine & Whitt PLLC

20090001951 - Current direction detection circuit and switching regulator having the same: A current direction detection circuit includes a monitoring transistor having a control terminal and an output terminal respectively connected with a control terminal and an output terminal of a ground side output transistor; an impedance element having one terminal connected with an input terminal of the monitoring transistor and the... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20090001952 - Apparatus and method for improving a transient response of a power converter: The output current of a power converter is sensed for triggering a quick transient response when the variation of the output current reaches a default value, and therefore the output voltage of the power converter is promptly stabilized earlier by removing the time delay to trigger the quick transient response.... Agent: Rosenberg, Klein & Lee

20090001953 - Low dropout linear voltage regulator: The present invention discloses an LDO (Low DropOut) linear voltage regulator, which is based on an NMC (Nested Miller Compensation) architecture and can be capacitor-free, wherein an active resistor is added to the feedback path of the Miller compensation capacitor to increase the controllability of the damping factor, solve the... Agent: Joe Mckinney Muncy

20090001955 - Dc-dc converter: Disclosed is a low noise, non-isolated DC-DC converter for providing a non-inverted (i.e., the same polarity as an input voltage) output voltage of any desired voltage by stepping-up/down the input voltage. It comprises an input coil L1, an input capacitor C1 and a second intermediate coil Lm2 connected in series... Agent: Nec Corporation Of America

20090001954 - Switching power supply: A switching power supply is provided which keeps constant, even when the oscillation frequency of a switching element increases, the on duty of secondary current passing through a secondary winding, thereby achieving a constant current drooping characteristic with high accuracy. To be specific, a secondary current on-period detection circuit generates... Agent: Steptoe & Johnson LLP

20090001956 - Powered device including a multi-use detection resistor: In a particular embodiment, a method includes receiving a powered device (PD) detection signal at a PD from a powered network and applying the PD detection signal to an external resistor to provide a detection signature to the powered network. Further, the method includes receiving a PD classification mark signal... Agent: Westman Champlin & Kelly, P.A.

20090001957 - Electronic voltage supply method and apparatus: A method and apparatus for supplying a voltage in an information handling system. A modulated voltage signal output circuit linked to an amplitude control element. The amplitude control element linked to a voltage output circuit, the output circuit including one or more electrical energy-storage elements to receive an electrical current.... Agent: Andrea E. Tran Pramudji Wendt & Tran, LLP

20090001958 - Bandgap circuit: A bandgap circuit according to an embodiment of the present invention includes a load circuit arranged between an output terminal and a first power supply line, an output transistor arranged between the output terminal and a second power supply line, and outputs a desired reference voltage in accordance with control... Agent: Foley And Lardner LLP Suite 500

20090001959 - Current mirror circuit having drain-source voltage clamp: A circuit and method for providing an output current that includes biasing an output transistor in accordance with a reference current to conduct the output current and further includes maintaining a voltage across the output transistor. One embodiment includes conducting a reference current through a diode-coupled first field-effect transistor (FET)... Agent: Kimton N. Eng, Esq. Dorsey & Whitney LLP

20090001960 - Systems and methods for asic power consumption reduction: Embodiments of the present invention are directed to dynamically measuring the speed of a circuit and modifying the operating voltage of the circuit based on the measured speed, in order to minimize the power being used while still ensuring proper operation of the circuit. Consequently, circuits of higher inherent speeds... Agent: Emulex Design & Manufacturing Corporation C/o Morrison & Foerster LLP