Electricity: power supply or regulation systems inventions 03/09

20090079401 - Switch mode power supply (smps) and methods thereof: Embodiments of the present invention are directed to switched-mode power supply (SMPS) circuits and methods thereof. The SMPS circuit receives information related to a future load change. For example, the information may be received at a decoder (e.g., a serial bus interface (SBI) decoder) from a microprocessor or microcontroller, such... Agent: Qualcomm Incorporated

20090079402 - Switching power supply: This switching power supply provides a stable output. In the switching power supply, at least pairs of secondary side coils are connected to each of the center tap rectifier circuits and the secondary side coils of each of the center tap rectifier circuits are disposed in the core portions (cores)... Agent: Oliff & Berridge, PLC

20090079403 - Apparatus to provide a current reference: An apparatus is provided that includes a voltage generator to produce a voltage that compensates for temperature variation and a current source that generates a current reference based on the voltage from the voltage generator.... Agent: Ked & Associates, LLP Intel Corporation

20090079405 - Linearized controller for switching power converter: A linearized controller to operate a switching power converter which includes an inductor having its first terminal coupled to a first voltage (V1) and its second terminal switched so that it alternately connects to a second, higher voltage (V2) or to a common terminal. A sawtooth voltage generator produces a... Agent: Koppel, Patrick & Heybl

20090079404 - Single-inductor multiple-output dc/dc converter method: A method of configuring a DC/DC converter having a plurality of outputs for providing a regulated voltage to each output electrically coupled to an error amplifier of a plurality of error amplifiers and an inductor includes configuring a plurality of controllable switches coupled to the plurality of error amplifiers to... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20090079406 - High-voltage tolerant low-dropout dual-path voltage regulator with optimized regulator resistance and supply rejection: A voltage regulator includes an amplifier having first and second outputs, a feedback path coupled between a first input and the first output of the amplifier, and a feed-forward path between the second output of the amplifier and a switch coupled to a reference potential. In operation, a first control... Agent: Ked & Associates, LLP Intel Corporation

20090079407 - Semiconductor integrated circuit device: The present invention provides a regulator circuit that can fast-respond to a variation in load current and supply a sufficient drive current so as to be capable of generating a stable internal source voltage. The regulator circuit includes a preamplifier circuit that detects and amplifies a different between a reference... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090079408 - Voltage mode pwmff-pfm/skip combo controller: A voltage controller and method providing multiple modes of operation. Embodiments include pulse-width modulation (PWM), feed-forward (FF), pulse-frequency modulation (PFM) and skip operation (PWM-FF-PFM/SKIP). Controller embodiments have integrated MOSFET components, comparator hysteresis, oscillator feed-forward, fixed gain, and error amplifier (EA) limits thereby providing improved efficiency and noise immunity.... Agent: Vern Maine & Associates

20090079409 - Voltage/current control apparatus and method: A voltage/current control apparatus and method are disclosed. The apparatus includes a low-side field effect transistor (FET) having a source, a gate and a drain, a high-side field effect transistor (FET) having a source, a gate and a drain, a gate driver integrated circuit (IC), a sample and hold circuit,... Agent: Joshua D. Isenberg Jdi Patent

20090079410 - Dc/dc converter: A DC/DC converter includes a main switching element and a subordinate switching element, and is arranged to supply power to load via a coil. The ON-time of a subordinate switching element in a succeeding cycle is controlled based on a period of time tdif from the time when the subordinate... Agent: The Webb Law Firm, P.C.

20090079411 - Voltage dividing circuit and magnetic sensor circuit: To provide a variable voltage dividing circuit capable of changing voltage values of a detection point and a release point along with a change in power supply voltage without changing a hysteresis width. The variable voltage dividing circuit according to the present invention includes: a voltage dividing unit which includes... Agent: Brinks Hofer Gilson & Lione/seiko Instruments Inc.

20090079412 - Apparatus and method for controlling the output of a photovoltaic array: An array of photosensitive devices, including photovoltaic cells is controlled to provide adequate output voltage for continued use when light conditions are sensed as dropping below a predetermined level for normal operations. Control is made of the internal connections between banks of devices or cells by switching normally parallel connected... Agent: Paul K. Godwin Paul K. Godwin, P.C.

20090079413 - Power transformer distribution network and method of operating same: The present invention is single-and multi-phase power distribution systems comprising a plurality of transformers. Each transformer is connected to another of the transformers, in series (single phase) and in series and parallel (multi-phase). Each transformer has a switch connection movable between an on and an off position according to pre-determined... Agent: Beck And Tysver P.l.l.c.

20090072798 - Apparatus and method for applying high voltage with high frequency: An apparatus and a method for applying high voltage with high frequency. The apparatus includes a power generator for generating electric power with predetermined frequency, a voltage transformer receiving the electric power generated by the power generator, amplifying voltage of the electric power received, and applying the amplified voltage to... Agent: Cantor Colburn, LLP

20090072799 - Voltage generator: A voltage generator is provided. The voltage generator includes a voltage pump and a voltage controller. The voltage pump generates a target voltage using a clock signal. The voltage controller compares a temporary voltage input from the voltage pump with a reference voltage to generate a control signal controlling the... Agent: Harness, Dickey & Pierce, P.L.C

20090072800 - Circuit and method for a fully integrated switched-capacitor step-down power converter: A circuit and method for providing a fully integrated DC-DC converter using on-chip switched capacitors is disclosed. A switched capacitor matrix is coupled as a digitally controlled transfer capacitor. A pair of non-overlapping, fixed frequency clock signals is provided to a switched capacitor circuit including the switched capacitor matrix and... Agent: Texas Instruments Incorporated

20090072801 - Voltage generating circuit: A voltage generating circuit according to the present invention comprises a voltage converter which voltage-converts a reference voltage, and an output unit which impedance-converts the voltage outputted from the voltage converter. The voltage converter and the output unit each comprise a low-voltage-side power supply and a high-voltage-side power supply. A... Agent: Mcdermott Will & Emery LLP

20090072802 - Voltage generating apparatus, current generating apparatus, and test apparatus: There is provided a voltage generating apparatus that outputs a power source voltage from a voltage outputting terminal. The apparatus includes a voltage outputting section that outputs the power source voltage according to a current or voltage to be input, a first differential amplification section that compares the power source... Agent: Osha Liang L.L.P.

20090072803 - Inrush current control: One embodiment of the present invention includes a power supply system. The power supply system comprises a variable voltage source configured to provide and incrementally increase a control voltage associated with a pass-transistor. The power supply system also comprises an inrush current monitor configured to monitor a current-flow through the... Agent: Texas Instruments Incorporated

20090072804 - Trimming circuit: A trimming circuit which comprises a shunt circuit having two shunt resistors and two shunt ON/OFF switches and connected in parallel with a series resistor circuit. The middle point of the shunt circuit is connected to a connection point of the series resistor circuit, the resistance ratio thereof with respect... Agent: Studebaker & Brackett PC

20090072806 - Electronic device having multi-power source integrated circuit: An electronic device includes: an integrated circuit having a first circuit part, a second circuit part, a first power source line of the first circuit part, a second power source line of the second circuit part, and a coupling switch coupling the first power source line and the second power... Agent: Arent Fox LLP

20090072805 - Switching regulator and method of adjusting pulse width: A switching regulator switches according to an input signal and performs PWM control with a PWM pulse signal. The switching regulator includes a pulse width limiting circuit that includes a reference current source, a constant current source, a capacitor, an inverting block including a first switch circuit to supply a... Agent: Cooper & Dunham, LLP

20090072807 - Adaptive pwm pulse positioning for fast transient response: An adaptive pulse positioning system for a voltage converter including an adjustable ramp generator, a pulse generator circuit, and a sense and adjust circuit. The adjustable ramp generator has an adjust input and provides a periodic ramp voltage having an adjustable magnitude based on an adjust signal provided to the... Agent: Huffman Law Group, P.C.

20090072808 - Start-up circuit and method for high voltage power distribution circuit: A start-up circuit for a high voltage power distribution circuit includes a transistor, a current source which generates ramped current, an operational amplifier which is connected between the current source and the transistor and controls the transistor, a capacitor which is fed the generated ramped current from the current source... Agent: Cantor Colburn LLP-ibm Poughkeepsie

20090066299 - Semiconductor integrated circuit and method of controlling mems-type variable capacitance capacitor: A first pump circuit generates a first voltage for decreasing the distance between primary electrodes. The first voltage is limited to a predetermined limit by a first limiter circuit. A second pump circuit generates a second voltage for keeping the distance between the primary electrodes constant. A third pump circuit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090066300 - Power converter employing a micromagnetic device: A power converter including a power train, a controller and a driver. In one embodiment, the power train includes a switch that conducts for a duty cycle and provides a regulated output characteristic for the power converter, and a micromagnetic device. The micromagnetic device includes a first conductive winding layer... Agent: Slater & Matsil, L.L.P.

20090066302 - Boost dc/dc converter: A disclosed boost DC/DC converter includes a direct-current power source, of which a negative terminal is connected to ground; an inductor connected to a positive terminal of the direct-current power source; a first switching element connected between the inductor and ground and having a control node for controlling an on-resistance... Agent: Cooper & Dunham, LLP

20090066301 - Buck-boost switching regulator: A buck-boost switching regulator which includes a first switch, a first diode, an inductor, a second switch, a second diode, and a controller for controlling the first switch and the second switch, the controller being configured to receive a current signal indicative of a inductor current flowing in the inductor,... Agent: Mcdermott Will & Emery LLP

20090066303 - Voltage regulator with testable thresholds: A system and method for determining over-voltage and under-voltage thresholds in a voltage regulator are disclosed herein. A voltage regulator includes an over-voltage detector and an under-voltage detector that determine whether the voltage regulator's regulated output voltage is above or below predetermined over-voltage and under-voltage thresholds respectively. The over-voltage detector... Agent: Texas Instruments Incorporated

20090066306 - Constant voltage circuit: A constant voltage circuit converts a voltage input to an input terminal and outputs a predetermined constant voltage from an output terminal. The constant voltage circuit includes an output transistor that outputs an electrical current corresponding to a control signal input thereto to the output terminal, a differential amplifier circuit... Agent: Cooper & Dunham, LLP

20090066305 - Switching regulator: A switching regulator includes a first switch, an inductor, a second switch, a controller to control a switching operation by switching the first switch and switching the second switch complementally to the first switch, and a reverse current detector to detect a reverse current that flows from an output terminal... Agent: Cooper & Dunham, LLP

20090066304 - Switching regulator and electronic device therewith: A switching regulator according to the invention includes: an output switching element; an output feedback circuit generating an error voltage (Verr) according to an error between an output voltage (Vout) and a target voltage; a switching control circuit turning on and off the output switching element based on the error... Agent: Fish & Richardson P.C.

20090066307 - Efficient voltage converter methods and structures: Voltage converter are provided for efficient generation of voltage signals in a load. The converters are formed with a group of inductors and at least two sets of buck and sync transistors that are arranged with the group so that conducted currents through each of the sets are directed through... Agent: Koppel, Patrick & Heybl

20090066308 - Switched mode power supply having variable minimum switching frequency: In a switched mode power supply (SMPS) that regulates an output voltage in response to load conditions by switching an inductor circuit between a supply voltage and ground at a switching frequency, under light loading conditions, the switching frequency of the SMPS is reduced down to a variable minimum switching... Agent: Coats & Bennett, PLLC

20090066309 - Switching regulator: A switching regulator is disclosed that uses a non-linear amplifier and is capable of PWM control operation at high frequencies with a simple circuit configuration and without increasing current consumption. The switching regulator includes a switching unit, an inductor, a rectification unit, and a control circuit that controls the switching... Agent: Cooper & Dunham, LLP

20090066310 - Internal voltage generation circuit with controlled enable pulse width: The internal voltage generation circuit includes an internal voltage enable signal generation unit generating an internal voltage enable signal whose enable pulse width is controlled according to an external voltage. An internal voltage generation unit generates an internal voltage corresponding to a reference voltage according to the internal voltage enable... Agent: Ladas & Parry LLP

20090066311 - Pre-conditioner with low voltage components: A pre-conditioner circuit comprising first and second pre-conditioner modules (10, 12), each having an input (Vin1, Vin2) and an output (Vout1, Vout2), the outputs (Vout1, Vout2) being coupled to respective load modules (14, 16). The output (Vout1, Vout2) of each pre-conditioner module (10, 12) is serially connected to the input... Agent: Philips Intellectual Property & Standards

20090066312 - Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus: A reference voltage generation circuit for outputting a reference voltage from an input voltage includes a specific voltage output unit for outputting a specific voltage from the input voltage; a first circuit section for outputting the reference voltage with a positive temperature property from the specific voltage output from the... Agent: Kubotera & Associates, LLC

20090066313 - Reference voltage circuit compensated for temprature non-linearity: Disclosed is a reference voltage circuit including first, second and third current-to-voltage converters, a current mirror circuit that supplies the currents to the first, second and third current-to-voltage converters, and a control unit that exercises control so that a preset output voltage of the first current-to-voltage converter will be equal... Agent: Mcginn Intellectual Property Law Group, PLLC

20090066314 - Current mirror semiconductor device and a layout method of the same: A semiconductor device and a layout method of the same reduce a mismatch in a semiconductor device. The semiconductor device includes a first transistor unit providing a first path of current and a second transistor unit designed in a mirror structure to the first transistor unit and providing a second... Agent: Ladas & Parry LLP

20090058375 - Self-oscillating converter: A converter has a main feedback path and two auxiliary feedback paths from an output node to an auxiliary differential input pair of a comparator. The auxiliary feedback paths have different RC time constants so that a differential ramp signal is effectively applied to the auxiliary differential inputs of the... Agent: Texas Instruments Incorporated

20090058376 - equipment control arrangement suitable for providing information about an operating state of the equipment: A control circuit is provided for controlling a vehicle component (e.g., an HVAC system). The control circuit includes a communication link that connects the equipment control module to the control assembly and communicates instructions from the control assembly to the equipment control module and performance characteristics from the vehicle component... Agent: Foley & Lardner LLP

20090058377 - Constant voltage to constant current transferring controller: A constant voltage to constant current transferring controller includes a voltage signal transferring circuit, a current signal transferring circuit, and an error amplifier. The voltage signal transferring circuit receives a voltage detecting signal and a first reference voltage signal, and outputs a voltage signal transferring reference signal. The current signal... Agent: Rosenberg, Klein & Lee

20090058378 - Circuit system and method for reducing an in-rush current: A circuit is provided including an output stage with a pair of transistors. Further provided is a control circuit in communication with the output stage. The control circuit is capable of controlling a duration in which at least one of the transistors is actuated for reducing an in-rush current.... Agent: Zilka-kotab, PC

20090058379 - Method and apparatus for equalizing phase currents in multiphase switching power converters: A method and apparatus for equalizing phase currents in multiphase switching power converters is described in which pairs of stored digital values that directly or indirectly control the values of the currents in the conversion phases are altered in equal and opposite increments. In one embodiment the digital values being... Agent: Barry W. Chapin, Esq. Chapin Intellectual Property Law, LLC

20090058380 - Multiple output amplifiers and comparators: An amplifier/comparator includes a multitude of output stages all sharing the same input stage. One or more of the output stages are amplification stages and have compensated output signals. A number of other output stages are not compensated and provide comparison signals. Each uncompensated output stage is adapted to switch... Agent: Mcdermott Will & Emery LLP

20090058381 - Power supply stabilizing circuit, an electronic device and a test apparatus: There is provided a power supply stabilizing circuit provided in a chip of an electronic device. The power supply stabilizing circuit stabilizes a power supply voltage supplied to an operational circuit of the electronic device, and includes a current bypass section that supplies a bypass current from an auxiliary power... Agent: Robert E. Lockman, Jr.

20090058382 - Direct current stabilization power supply: A direct current stabilization power supply apparatus, comprising: an output control device which generates a voltage corresponding to a drive current given and outputs it as an output voltage; a direct current stabilization portion which gives the drive current to the output control device to equalize a comparison voltage corresponding... Agent: Birch Stewart Kolasch & Birch

20090058386 - Green technologies: 7less microsystems: The green technology is the technology for the green society having the green safety. The green technology is not only save the resource and recycle the resource but also save the energy and recycling the energy. The core technology of the Green Technology is the 7Less Microsystems. The 7Less Microsystems... Agent: Min Ming Tarng, Ph. D.

20090058387 - Maintaining a constant output voltage by sampling and holding a voltage across an auxiliary winding: A lower-cost and more precise control methodology of regulating the output voltage of a flyback converter from the primary side is provided, which works accurately in either continuous voltage mode (CCM) and discontinuous mode (DCM), and can be applied to most small, medium and high power applications such cell phone... Agent: Imperium Patent Works

20090058384 - Reference voltage generating circuit and timer circuit: A reference voltage generating circuit includes a constant current source circuit connected with a power supply voltage and configured to output a reference current to an output node based on the power supply voltage. A current-voltage converting circuit is connected the output node and generates a reference voltage to the... Agent: Young & Thompson

20090058385 - Step-up dc-dc converter: A step-up DC-DC converter is disclosed that is capable of high efficiency power conversion under both a heavy load condition and a light load condition. The step-up DC-DC converter includes a direct current power source, an inductor, a first switching element, a second switching element, a smoothing capacitor, a driver... Agent: Dickstein Shapiro LLP

20090058383 - Switching dc-dc converter with adaptive-minimum-on-time control and method of adaptively controlling minimum-on-time of a switching dc-dc converter: A power converter includes a power switch adapted to receive an input power from an external power source and to generate an output power, and an adaptive oscillator adapted to output an adaptive minimum-on signal of the power switch in response to a change in measured magnitude of at least... Agent: Lee & Morse, P.C.

20090058388 - Switching power supply device: This invention prevents undershoot, etc., occurring in the output during the transition from intermittent control mode to continuous control mode to hinder stability, responsiveness, and low power consumption.... Agent: Texas Instruments Incorporated

20090058389 - Control circuit for measuring and regulating output current of ccm power converter: A switching control circuit is provided for measuring and regulating an output current of a power converter. The power converter is operated under continuous current mode. A detection circuit generates a continuous-current signal and a peak-current signal by detecting a switching current of an inductive device. An integration circuit generates... Agent: J C Patents, Inc.

20090058390 - Semiconductor device with compensation current: A semiconductor device is disclosed. In one embodiment, the semiconductor device includes a first resistor, a second resistor, and a transistor. The second resistor is configured to receive a current via the first resistor. The transistor is configured to be driven via the first resistor and the second resistor and... Agent: Dicke, Billig & Czaja

20090058391 - Temperature sensitive circuit: A circuit for use in a current source or a proportional to absolute temperature sensor or in a bandgap regulator, the circuit comprising at least two PTAT cells the operating Voltages of whose components overlap, the PTAT contribution to the output including the sum of the outputs of the two... Agent: Smith-hill And Bedell, P.C.

20090058392 - Reference voltage circuit: A reference voltage circuit that obtains a precisely constant voltage by compensating a temperature variation of a reference voltage circuit using band gap voltage. A p-type MOS transistor (PNP) outputs a reference voltage according to a control voltage, and provides respective PNPs having diode connections with currents corresponding to the... Agent: Volentine & Whitt PLLC

20090058393 - Constant-current, constant-voltage and constant-temperature current supply of a battery charger: Provided is a current supply for providing a charge current to a load. The current supply includes: a driving transistor, providing the charge current to the load; a sensing transistor, limiting the charge current; a pulling low transistor, pulling low a controlling node which controls the driving transistor and the... Agent: Jianq Chyun Intellectual Property Office

20090058394 - Device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto: The invention relates to a device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto, in particular, for a low-voltage switchgear, with a power supply unit (10) whose output signals are transmitted to the measuring sensors via transformers providing the isolation. A quartz-controlled oscillation circuit arrangement... Agent: Buchanan, Ingersoll & Rooney PC