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Electricity: power supply or regulation systems January USPTO class patent listing 01/07

20070018617 - Current resonance type dc/dc converter capable of decreasing losses on on-load and a light load: In a control circuit for controlling a current resonance type DC/DC converter, a negative voltage detection arrangement produces a pulse while a both-ends voltage of a resonance capacitor has a negative voltage. A voltage level error signal generating circuit includes a capacitor which is charged during production of the pulse... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070018619 - Current resonance type dc/dc converter actualizing a stable zero-current switching: In a current resonance type DC/DC converter for converting an input voltage into an output voltage, a control circuit has an edge detection circuit for detecting edges of a driving control signal and a particular voltage to produce a logic control signal and a logic voltage signal, respectively, an error... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070018618 - Switching power supply capable of always switching a switching element at an optimal timing: A control circuit has a delay correction circuit for correcting a delay involved for driving a switching element. The delay correction circuit has a reference voltage generating circuit for generating a reference voltage, a first comparator for comparing the reference voltage with a driving control signal to produce a first... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070018620 - Power supply apparatus and its method: A power supply apparatus includes a switching regulator, a series regulator, and a controller. The switching regulator performs start and stop operations in response to a first control signal and generates a first constant voltage in response to a first voltage switching signal to output the second constant voltage. The... Agent: Dickstein Shapiro LLP

20070018621 - Area-efficient capacitor-free low-dropout regulator: An area-efficient capacitor-free low-dropout regulator based on a current-feedback frequency compensation technique is disclosed. An implementation of a current feedback block with a single compensation capacitor is used to enable capacitance reduction. The resultant low-dropout regulator does not generally require an off-chip capacitor for stability and is particularly useful for... Agent: Parsons Hsue & De Runtz LLP

20070018626 - Configuration and controlling method of boost circuit having pulse-width modulation limiting controller: The proposed boost circuit includes a DC/DC converter having a switch, receiving an input voltage and outputting an input voltage feedback signal, an output voltage feedback signal, an input current feedback signal and an output voltage after a boost of the input voltage, and a feedback control circuit having a... Agent: Volpe And Koenig, P.C.

20070018624 - Current mode control with feed-forward for power devices: A power device controller includes a voltage mode control loop to generate an error voltage and to control a power device and a current mode control loop to generate a current control voltage and to control the power device. The current mode control loop includes a current feed-forward to reduce... Agent: Sidley Austin Brown & Wood LLP

20070018622 - Flexible buck converter to generate an output voltage higher or lower than an input voltage: A flexible power converter for providing an output voltage higher or lower than an input voltage. The power converter includes a first switch, a second switch and a third switch, a switch controller, and an isolation circuit. The power converter is connected to a high voltage source and an input... Agent: Carlton Fields, Pa

20070018623 - Low-dropout regulator with startup overshoot control: The present invention provides an LDO regulator having a greatly improved overshoot characteristic through the use of an output voltage based feedback loop. More specifically, in the invention, one or more resistors in the divider network in a conventional LDO regulator is replaced with a variable resistor. By varying the... Agent: Synnestvedt & Lechner LLP-agere

20070018625 - Voltage regulator: Consumption current is reduced for a voltage regulator in sleep mode. In normal operation mode, a sub-regulator circuit is ceased from operating according to a power-down signal, which allows an operation amplifier to compare between a reference voltage outputted from a reference voltage circuit and a monitor voltage generated by... Agent: Nixon Peabody, LLP

20070018627 - Power supply controller and method therefor: In one embodiment, a power supply controller utilizes a plurality of reference signals that operate at different frequencies to form a switching signal that is suitable to control a power device to regulate an output voltage.... Agent: Semiconductor Components Industries, LLC Bradley J. Botsch

20070018628 - Dc-dc converter: In a DC-DC converter conforming to the current mode control system, in which the valley value of an inductor current is controlled for output control, a current detection circuit 6 is configured to detect the current flowing from a low-side FET 2 to an inductor 3 using an FET 60,... Agent: Gregory A. Stobbs

20070018629 - Waveform generator electronics based on tuned lc circuits: Disclosed is an apparatus for generating a periodically varying electrical signal for creating a periodically varying electrical field between electrodes of an ion mobility spectrometer. The apparatus includes an output port. A first tuned circuit is provided for being electrically coupled to an external power source and for, in isolation,... Agent: Freedman & Associates

20070018630 - Transistor arrangement with temperature compensation and method for temperature compensation: A transistor arrangement with temperature compensation is disclosed with a transistor having at least one adjustable geometric parameter. A temperature measuring means outputs a temperature-dependent signal, depending on which a control unit drives the geometric parameter of the transistor in such a way that the electrical characteristic quantities thereof are... Agent: Eschweiler & Associates, LLC National City Bank Building

20070018631 - Averaging circuit apparatus, error signal generation system and method of averaging an error signal: An averaging circuit apparatus comprises a rectifier having an input for receiving a high-speed error signal having, for example, a data rate of 10 Gbps. An integrator is coupled to the rectifier and has an error output for providing an averaged representation of the error signal. The averaged representation of... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070013348 - Switching power supply source: A switching power supply source including an inductance with first and second terminals; an output node; an NMos transistor, the drain of which is connected to the first terminal; a PMos transistor, the drain of which is connected to the first terminal; a control device generating control signals for NMos... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, PC

20070013349 - Zero voltage switching buck converter: The present invention is directed generally to a buck converter that achieves zero voltage switching (ZVS). According to various embodiments, the buck converter comprises a ZVS circuit for storing reverse recovery current from the diode of the buck converter and using the energy from the reverse recovery current to discharge... Agent: Kirkpatrick & Lockhart Nicholson Graham LLP

20070013350 - Multiphase power regulator with load adaptive phase control: Disclosed is a power regulator for providing precisely regulated power to a microelectronic device such as a microprocessor. Improved power regulation is accomplished by optimizing the power efficiency of the power regulator. In particular, in a multiphase system, the number of active phases is increased or decreased to achieve optimum... Agent: Theodore E. Galanthay Primarion, Inc.

20070013351 - Electric power unit operating in continuous and discontinuous conduction modes and control method therefor: An electronic power unit includes first and second MOS transistors and a digital control circuit. The first MOS transistor applies a voltage to the load. The second MOS transistor remains on while the first MOS transistor remains off and rectifies the current flowing in the load. The digital control circuit... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070013352 - Extremely high-speed switchmode dc-dc converters: Switchmode DC-DC power converters using one or more non-Silicon-based switching transistors and a Silicon-based (e.g. CMOS) controller are disclosed. The non-Silicon-based switching transistors may comprise, but are not necessarily limited to, III-V compound semiconductor devices such as gallium arsenide (GaAs) metal-semiconductor field effect transistors (MESFETs) or heterostructure FETs such as... Agent: J. Davis Gilmer

20070013353 - Dc-dc converter and converter device: In a converter device, an N-type FET is connected in series between an input terminal and an output terminal and an N-type FET is connected between the side of the output terminal of the N-type FET, and a ground terminal. A smoothing circuit and a comparator circuit are connected to... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070013354 - End-point prediction scheme for voltage regulators: An End-Point Prediction scheme is described for voltage-mode buck regulators to generate adaptive output voltage to integrated-circuit systems. Internal nodal voltages of the regulator controller are predicted and set automatically by the proposed algorithms and circuits. The settling time of the regulator can therefore be significantly reduced for faster dynamic... Agent: Parsons Hsue & De Runtz LLP

20070013356 - Pwm controller with dual-edge modulation using dual ramps: A dual-edge modulation controller including first and second ramp circuits, first and second comparators, an error amplifier and pulse control logic. The first ramp circuit provides a leading-edge ramp synchronous with a clock. The error amplifier compares a feedback signal with a reference and provides a compensation signal. The first... Agent: Law Offices Of Gary R. Stanford

20070013355 - Switching regulator with variable slope compensation: Controlled compensation for a switching regulator is attained by detecting switching duty cycle of the switching regulator, developing a compensation signal having a time duration that is related to the detected switching duty cycle percentage, and generating a duty cycle control signal for the regulator that is dependent in part... Agent: Mcdermott Will & Emery LLP

20070013357 - Inverter apparatus with built-in programmable logic-controller: An inverter apparatus is incorporated with a built-in programmable logic-controller (PLC). The PLC includes internal memory for directly outputting control signal to provide inverter operation control without time delay and noise. The inverter apparatus includes external terminals for function assignment and an external program can be coded for expanding the... Agent: Hdsl

20070013358 - Multiphase transformer for a multiphase dc-dc converter: A multiphase DC-DC converter is provided that includes a multiphase transformer, the multiphase transformer including a plurality of input voltage terminals and an transformer output voltage terminal, each input voltage terminal associated with a corresponding phase. Each phase is assigned to an input voltage terminal of the plurality of input... Agent: Blakely Sokoloff Taylor & Zafman

20070007930 - Device for power reduction during the operation of an inductive load: A device for power reduction during an operation of an inductive load, which is operated in a turn-on phase with an increased supply voltage and in a holding phase statically or in PWM operation with the on-board voltage, has a transistor disposed between the on-board voltage source and the inductive... Agent: Lerner Greenberg Stemer LLP

20070007931 - Method and circuit for extracting current-voltage characteristics of device: A method and a circuit for extracting current-voltage characteristics employ two pulse signals with different duty cycles into a device to be measured in order to extracting current-voltage characteristics of the device to be measured. The present invention may reduce the self-heating effect of the device to be measured and... Agent: J C Patents, Inc.

20070007932 - Dc duel isolated bias return power reclaimation system: This is an system to reclaim DC power unused by an load, so that the load is allowed to use nearly 100% of the DC power, making it better than AC for power reclaimation.... Agent: Mr.lawrence Alger Cronce

20070007933 - Soft-switching dc/dc converter having relatively better effectiveness: The proposed soft-switching DC/DC converter includes a converter circuit including a main switch having a first, a second and a control terminals for converting an input DC voltage to an output DC voltage, a resonant circuit electrically connected to the converter circuit, and an energy transferring circuit including an auxiliary... Agent: Volpe And Koenig, P.C.

20070007934 - Mosfet triggered current boosting technique for power devices: A voltage regulator output stage can include a power device whose body to source junction is forward biased using a MOSFET trigger. The forward biasing can advantageously reduce the threshold voltage of the power device, thereby effectively increasing its gate drive as well as its output current capability. Controlling the... Agent: Bever Hoffman & Harms, LLP Tri-valley Office

20070007935 - Extending the continuous mode of operation for a buck converter: An information handling system has a power supply using a DC-to-DC buck converter. The DC-to-DC buck converter maintains continuous mode of operation over a wide range of output currents by adding more inductance to the buck converter circuit when the load current is below a certain value(s). A sensing circuit... Agent: Baker Botts, LLP

20070007936 - Integrated circuit for controlling a switching power supply: An integrated circuit for controlling a switching power supply includes a signal input terminal in addition to a switching input terminal that is also provided in a conventional integrated circuit and is a terminal to switch IC operation modes using an external control signal. The switching input terminal signal is... Agent: Rabin & Berdo, PC

20070007937 - Method and apparatus for increasing the power capability of a power supply: Techniques are disclosed to extend an on time period of switch to regulate a transfer of energy from an input of a power supply to an output of a power supply. One example integrated circuit includes an energy transfer element coupled between an input and an output of the power... Agent: Blakely Sokoloff Taylor & Zafman

20070007938 - Method and apparatus to limit output power in a switching power supply: Techniques are disclosed to adjust a current limit in a switching regulator. One example switching regulator includes a switch to be coupled to an energy transfer element of a power supply. A controller to generate a drive signal is coupled to control switching of the switch to regulate an output... Agent: Blakely Sokoloff Taylor & Zafman

20070007939 - Low voltage electrical vehicle propulsion system using double layer capacitors: A hybrid vehicle propulsion system with a double-layer capacitor is provided. A low voltage double-layer capacitor energy storage system provides power to a hybrid vehicle propulsion system. A boost converter boosts the voltage of the double-layer capacitor system to a higher operating voltage to power at least one motor/generator of... Agent: Hensley Kim & Edgington, LLC