|Electricity: power supply or regulation systems patents - Monitor Patents|
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Electricity: power supply or regulation systems March listing by industry category 03/11Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 03/31/2011 > 14 patent applications in 9 patent subcategories. listing by industry category
20110074367 - Static compensator and method for controlling thereof: The present invention relates to a static compensator and a method for controlling thereof, more particularly, to a static compensator including a transformer connected with a bus of a power system; an inverter operating according to a control signal and connected to the transformer in series; a tap changer changing... Agent: Korea Electric Power Corporation
20110074368 - Power delivery system with surge handling capability: A sensing circuit senses a load current to generate a sensed signal. A comparator's output is set to a first value if the sensed signal is equal to or greater than a reference signal, and to a second value if the sensed signal is smaller than the reference signal. A... Agent: Decicon, Inc.
20110074369 - Semiconductor apparatus and calibration method thereof: A semiconductor apparatus includes a reference voltage generation unit, a comparison voltage generation unit, and a calibration unit. The reference voltage generation unit is disposed in a reference die and configured to generate a reference voltage. The comparison voltage generation unit is disposed in a die stacked on the reference... Agent: Hynix Semiconductor Inc.
20110074370 - Voltage regulator: Provided is a voltage regulator capable of setting an accurate short-circuit current. Used as a circuit for determining a current value of a short-circuit current of an overcurrent protection circuit is not a resistor for converting current into voltage but a circuit for controlling in the form of current, that... Agent:
20110074372 - Architecture of a power supply circuit with power factor correction: An improved architecture of a power supply circuit with power factor correction, the power supply circuit includes power supply circuit output terminals and a voltage negative feedback circuit, the power supply circuit output terminals include a high potential terminals and a low potential terminals, the voltage negative feedback circuit includes... Agent:
20110074373 - Control circuit and method for a buck-boost power converter: Control signals are generated for a buck-boost power stage of a buck-boost power converter to convert an input voltage to an output voltage. The buck-boost power stage includes an inductor and at least two power switches connected thereto. The output voltage is monitored to generate an error signal having clamped... Agent: Richtek Technology Corp.
20110074374 - Driving apparatus for an electromagnetic load and related method: A driving apparatus for an electromagnetic load, said apparatus having at least one pair of first and second transistors arranged so as to form a current path with the electromagnetic load for discharging the current produced by the electromagnetic load. The first transistor has an inherent diode between the non-drivable... Agent: Stmicroelectronics S.r.l.
20110074375 - Gate driver in buck converters: A circuit for driving a switching stage including control and sync switches series connected at a switching node, at least one of the control and sync switches being a normal ON depletion mode device, the circuit comprising a gate driver including first and second switching stages for generating gate drive... Agent: International Rectifier Corporation
20110074371 - Single-bound hysteretic regulation of switched-capacitor converters: A voltage regulator may include a comparator with a first comparator input to receive a reference voltage, a second comparator input to receive an output voltage from a phase interleaved converter, and a comparator input. The regulator may also include a set of cascaded flip-flops corresponding to phases of the... Agent:
20110074376 - Output driving circuit capable of reducing emi effect: An output driving circuit capable of reducing EMI effect includes a non-overlapping signal generation unit for generating a first non-overlapping signal and a second non-overlapping signal according to an input signal, a pre-driver for generating a first pre-driving signal and a second pre-driving signal according to the first non-overlapping signal... Agent:
20110074377 - Time constant circuit, switch circuit, dc/dc converter, and display device: To provide a time constant circuit and the like capable of acquiring a characteristic of an output voltage that attenuates gradually after attenuating steeply, compared to a characteristic that attenuates monotonously. The time constant circuit includes: a series/parallel circuit formed by serially connecting a plurality of parallel circuits each formed... Agent: Nec Lcd Technologies, Ltd.
20110074379 - Dc-dc converter: A DC-DC converter including a power supply supplying direct current (DC) to an inductor, a switching device controlling the supply of DC from the power supply to the inductor by switching between a conductive state and a disconnected state according to a modulation signal, a signal output device generating the... Agent: Roland Corporation
20110074378 - Multiphase power converters, controllers and control methods: A method of controlling a multiphase power converter including a plurality of sub-converters coupled to provide power to a load is disclosed. Each sub-converter includes a power switch. The method includes selectively and consistently turning on the power switch of one or more of the sub-converters at substantially a same... Agent: Astec International Limited
20110074380 - Electric conduction pad and manufacturing method thereof: The present invention relates to electric conduction pads and a method for manufacturing the same, and more particularly, to an electric conduction pad having elastic properties while enabling heat emission, passage of electric current and transmission of electrical signals, using an electrically conductive wire material, as well as a method... Agent: Silveray Co., Ltd.03/24/2011 > 16 patent applications in 9 patent subcategories. listing by industry category
20110068754 - Electronic device and method for dc-dc conversion: An electronic device for DC-DC conversion of an input voltage into an output voltage is provided. The electronic device includes a current mode control loop for controlling a sensed current of the DC-DC conversion by comparing a voltage level indicating a magnitude of the sensed current with a reference voltage... Agent: Texas Instruments Deutschland Gmbh
20110068755 - Method for optimizing the efficiency of an energy system: The invention relates to a method for optimizing the efficiency of an energy system, which system has at least one energy unit that is coupled to a control unit and a DC/DC converter for regulating the power output of the energy unit, and the control unit regulates the power output... Agent:
20110068756 - Band-gap reference voltage generation circuit: A band-gap reference voltage generation circuit and methods thereof. A band-gap reference voltage generation circuit may include a current generator configured to generate a first current and/or a second current. A band-gap reference voltage generation circuit may include a current controller including a first resistor, through which a first current... Agent:
20110068757 - Switching converter having a plurality n of outputs providing n output signals and at least one inductor and method for controlling such a switching converter: This invention provides a switching converter having a plurality N of outputs providing N output signals and at least one inductor, comprising a first controlling device for controlling the total energy flowing over the inductor to the N outputs dependent on a first control signal, at least a second controlling... Agent: State Key-laboratory Of Asic & Systems, Fudan University
20110068758 - Regulated circuits and operational amplifier circuits: Circuits providing a regulated voltage. An output stage has a power switch with a control node, a power input node and a power output node. The power input node is coupled to a source voltage and the power output node provides the regulated voltage. An amplifier stage compares a feedback... Agent:
20110068761 - Average current regulator and driver circuit thereof and method for regulating average current: The present invention discloses an average current regulator, a driver circuit of an average current regulator, and a method for regulating an average current. The average current regulator includes: a power stage including at least one power transistor which switches according to a pulse width modulation (PWM) signal to convert... Agent: Richtek Technology Corporation
20110068762 - Current sensing circuit and switching regulator including the same: A current sensing circuit configured to sense current flowing through a switching transistor of a non-insulated switching regulator, the current sensing circuit includes a voltage divider circuit portion; a first transistor; a first impedance element; a second transistor; a third transistor; and a first voltage comparing circuit portion, wherein control... Agent: Ricoh Company, Ltd.
20110068760 - Power supply circuit: A power supply circuit arranged in a circuit board to supply a determined voltage to an element is disclosed. The power supply circuit includes two voltage receiving terminals to receive voltage signals, a window comparator, and an electrical switch. The comparator drives the electrical switch to be turned on, therefore... Agent: Hon Hai Precision Industry Co., Ltd.
20110068759 - Switching regulator for fixing frequency: A switching regulator for fixing a frequency which includes a power stage circuit, for receiving an input voltage and outputting an output voltage according to an control signal; a reference voltage generator for generating a reference voltage; a comparator for outputting a comparing result according to the output voltage and... Agent:
20110068763 - Duty feed forward method and apparatus for modulating a duty of a pmw signal and power converting method and power converter using the same: The duty of a PWM signal in a power converter is extracted to feed forward to modulate the slope of a linear oscillating ramp signal or the voltage level of an error signal, so as to modulate the duty of the PWM signal, by which the transient response of the... Agent: Richtek Technology Corp.
20110068764 - Semiconductor circuits capable of mitigating unwanted effects caused by input signal variations: Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to generate a first current according to a... Agent: Mediatek Inc.
20110068766 - Reference voltage generators, integrated circuits, and methods for operating the reference voltage generators: A reference voltage generator includes a proportional to absolute temperature (PTAT) current source and a voltage divider. The PTAT current source is capable of providing a first current that is proportional to a temperature. The voltage divider is capable of receiving a second current that is proportional to the first... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.
20110068767 - Sub-volt bandgap voltage reference with buffered ctat bias: Circuits, methods, and apparatus that provide voltage references having a temperature independent output voltage that is less then the bandgap of silicon. The temperature coefficient and absolute voltage can be independently adjusted. One example generates two voltages, the first of which is proportional-to-absolute temperature and the second of which is... Agent: Intersil Americas Inc.
20110068765 - System and method for power calibrating a pulse generator: An apparatus is disclosed for generating an output signal (e.g., a defined pulse), including a power or current calibration feature. The apparatus comprises a current source adapted to generate a first current to produce the output signal, a current sampling module adapted to generate a second current as a function... Agent: Qualcomm Incorporated
20110068769 - Dimmer switch with adjustable high-end trim: A dimmer switch has a user adjustable high-end trim. The dimmer switch includes a bidirectional semiconductor switch, such as a triac, for controlling the amount of power delivered from a source of alternating current power to a lighting load, such as an electric lamp. A user-adjustable timing circuit controls the... Agent: Lutron Electronics Co., Inc.
20110068768 - Switching power supply and related control method: A switching power supply includes a power switch, an adjusting circuit and a limit signal generator. The power switch operates according to a switch control signal. The adjusting circuit adjusts the turn-on time of the switch control signal according to a limit signal and a detecting signal which corresponds to... Agent:03/17/2011 > 21 patent applications in 12 patent subcategories. listing by industry category
20110062920 - Power supply, test apparatus, and control method: A power supply that outputs an output voltage corresponding to a specified voltage through an output terminal includes a plurality of switches that selects which of a high voltage and a low voltage is coupled to the output terminal, a multi-phase pulse width modulating section that controls a pulse width... Agent: Advantest Corporation
20110062921 - Voltage regulator: Provided is a voltage regulator capable of securely preventing a reverse current from an output terminal (122) with lower current consumption, irrespective of magnitude of a voltage of a VDD terminal (121). Such a configuration is adopted that the voltage of the VDD terminal (121) and a voltage of the... Agent: Seiko Instruments Inc.
20110062922 - Low dropout regulator: The present invention relates to a low dropout regulator, and more particularly to a low dropout regulator without load capacitor and ESR (equivalent series resistance) designed in response to the discharge curve of a Li-ion battery, includes an input terminal, a reference circuit, a power transfer element, a level regulating... Agent: Acer Incorporated
20110062924 - Switching apparatus and control signal generator thereof: A switching apparatus has a switch and a control signal generator. The control signal generator is configured to generate a control signal applied to the switch to control the operations of turning on and off of the switch. The control signal generator has an inverter and a regulating circuit. The... Agent: Novatek Microelectronics Corp.
20110062923 - Switching power supply circuit: A switching power supply circuit includes a power circuit, a switching circuit and a load. The switching circuit includes a first filter module, a power processing unit, a stability module, and a second filter module. The first filter module receives a voltage signal from the power circuit and sends a... Agent: Innolux Display Corp.
20110062927 - Switching power supply device, semiconductor integrated 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: Renesas Technology Corporation
20110062926 - System and method for controlling a voltage supply: A system, voltage supply circuit, control unit for a voltage supply circuit, and method of controlling a voltage supply circuit are disclosed. For example, a system is disclosed that comprises at least one electronic circuit and a voltage supply unit coupled to an input of the at least one electronic... Agent: Intersil Americas Inc.
20110062925 - Voltage range determination circuit and methods thereof: A voltage range determination circuit may include an object voltage generating unit that generates an object voltage corresponding to a scaled-down voltage of an input voltage based on the input voltage, a selection voltage generating unit that generates a first selection voltage and a second selection voltage that is greater... Agent: Samsung Electronics Co., Ltd.
20110062928 - Switching power supply controller with high frequency current balance: A controller for a multi-phase switching power supply shuffles the sequence of the phases in response to a load transient to prevent synchronization of one or more phases with high-frequency load transients. The sequence may be shuffled by varying the frequency and/or sequence of the switching control signals to introduce... Agent:
20110062929 - Feedback control of a dc/dc power converter: a feedback control linearly operable so as to control the output voltage across the load during constant load conditions, and non-linearly operable so as to control the output voltage across the load during certain detected changes in load conditions above a predetermined threshold so as to speed up the transient... Agent: Linear Technology Corporation
20110062930 - Varying operation of a voltage regulator, and components thereof, based upon load conditions: A method for operating a voltage regulator controller, for use in a voltage regulator including coupled inductors, is provided as follows. A first signal is generated for driving a first switch of the voltage regulator. A second signal is generated driving a first switch of the voltage regulator. The voltage... Agent: Intersil Americas Inc.
20110062931 - Dc-dc converter: Provided is a DC-DC converter including a soft start circuit capable of prolonging a soft start time without increasing a capacitance used in the soft start circuit. A soft start is implemented by gradually increasing a limiting level of an inductor current or a reference voltage. The soft start time... Agent:
20110062932 - Dc/dc converter having a fast and accurate average current limit: In order to overcome the three main obstacles to obtaining a fast and accurate average current limit in a DC/DC converter, three distinct improvements are provided which can work in concert to achieve the goal. Each of the three parts comprises significant new improvements, and their use together to create... Agent: Linear Technology Corporation
20110062934 - Circuit board, method for determining a current space vector, converter, circuit board and series of converters: In circuit board for a converter, including control electronics, the circuit board includes a device for current detection, the device respectively having at least two measuring amplifier circuits, only the output of one of the measuring amplifier circuits being supplied as the detected current value to the control electronics of... Agent:
20110062933 - Full cycle ac power control: A method includes selectively applying full cycles of AC power to a load. The cycles may have first and second states such as full on and full off states. The cycles may be arranged in groups in a pattern. The pattern may have a length that is shorter than a... Agent: Leviton Manufacturing Co., Inc.
20110062935 - Energy recovery circuit: An energy recovery circuit receives and stores energy associated with switching transitions in a power converter having a first switch and a second switch configured to be operated to selectively apply a voltage source to an output load. The energy recovery circuit includes an inductive element, a diode, and a... Agent: Solarbridge Technologies
20110062936 - Ac power switching module: An AC power switching module comprising: AC current input and output means; switching means located between said input and output means for selectively blocking or passing said AC current; a switch controller arranged to provide an output signal to the switching means to control the state of the switching means;... Agent: Vetco Gray Controls Limited
20110062938 - Bandgap voltage reference with dynamic element matching: A voltage reference source is provided that includes a Brokaw bandgap core comprising a first set of transistors, a second set of transistors coupled to the first set of transistors and serving as load devices to the first set of transistors, and a dynamic element matching circuit coupled to the... Agent:
20110062937 - Low voltage bandgap voltage reference circuit: A temperature compensated low voltage reference circuit can be realized with a reduced operating voltage overhead and reduced spatial requirements This is accomplished in several ways including integrating one or more bipolar junction transistors into a current differencing amplifier and reducing the number of components required to implement various voltage... Agent: Honeywell International, Inc.
20110062939 - Controlling power usage by at least one electronic apparatus: In a method for controlling power usage by at least one electronic apparatus, a power regulating device having a plurality of integrated power and data connectors is provided. In addition, the at least one electronic apparatus is connected to an integrated power and data connector of the power regulating device... Agent:
20110062940 - High efficiency charge-and-add adjustable dc-dc converter: A charge-and-add DC-DC voltage converter design using a switch network that toggles between two states, either simultaneously charging a flying capacitor (one or any number) or creating a DC voltage on the output capacitor by connecting all flaying capacitors in series thus adding the input voltage to remaining voltages on... Agent:03/10/2011 > 9 patent applications in 7 patent subcategories. listing by industry category
20110057632 - Circuit and method for constant on-time control for an interleaved multiphase voltage regulator: A circuit and method are proposed for constant on-time control for an interleaved multiphase voltage regulator, which monitor the channel currents of all the channels of the interleaved multiphase voltage regulator to select one from the channels to drive and so achieve interleaved phase operation.... Agent:
20110057633 - Load driving circuit: Provided is a circuit capable of further reducing noise that increases along with an amplitude of a flow-through current flowing through a charge pump circuit. A load driving circuit includes: an output MOS transistor 32 connecting a power supply 30 and a load 31; a charge pump circuit 40 boosting... Agent: Renesas Electronics Corporation
20110057634 - Switching power supply device and semiconductor device used for the same: In a switching power supply device in which an operation reference voltage of a control circuit has an electric potential identical to that of a connection point between a switching element and a coil that is an energy conversion circuit, an output voltage detection circuit includes: a rectification circuit which... Agent: Panasonic Corporation
20110057635 - Switching regulator: A switching regulator includes a switch circuit that delivers a power from a power supply side to an output side, and a smoothing circuit that smoothes the voltage on the output side. The switching regulator also includes an on/off control circuit that controls the on/off of the switch circuit, as... Agent: Renesas Electronics Corporation
20110057636 - Method for reducing energy loss in dc-dc converter and related control device and dc-dc converter: A method for reducing energy loss in a DC-DC converter comprises detecting an output current of the DC-DC converter to generate a sensing signal, adjusting a frequency of an oscillation signal, comparing a reference signal and a feedback signal of the DC-DC converter to generate a comparison result, comparing the... Agent:
20110057637 - Boundary conduction mode switching regulator and driver circuit and control method thereof: The present invention discloses a boundary conduction mode (BCM) switching regulator, and a driver circuit and a control method of the switching regulator, for controlling a power stage to convert an input voltage to an output voltage or output current. The BCM switching regulator detects whether it is operating in... Agent: Richtek Technology Corporation
20110057638 - Pulse width modulation regulator ic and circuit thereof: A pulse width modulation regulator IC is provided for controlling a duty cycle of at least one switch to convert one input voltage signal into an output voltage. An input pin is provided for receiving an input signal different from the input voltage signal. The input signal has a lasting... Agent: Niko Semiconductor Co., Ltd.
20110057639 - Passive lossless snubber cell for a power converter: A passive lossless snubber cell for a switched-mode power converter comprises an energy absorbing circuit and an energy resetting circuit coupled to said energy absorbing circuit. The energy absorbing circuit is arranged to release energy stored in a snubber capacitor of the energy absorbing circuit to a storage capacitor of... Agent: City University Of Hong Kong
20110057640 - Storageless step-down switching dc-dc converter: A storageless DC-DC converter is provided having simultaneously ultra high efficiency of 99.5% in an ultra compact size leading to 1 kW/inch3 power density, while also providing a regulation over the wide input DC voltage range. In addition to fixed 2 to 1 step-down voltage conversion the continuous output voltage... Agent: Cuks, LLC03/03/2011 > 15 patent applications in 11 patent subcategories. listing by industry category
20110050185 - Dc-dc converters: Methods and apparatus for control of DC-DC converters, especially in valley current mode. The DC-DC converter is operable so that a low side supply switch may be turned off, before the high side supply switch is turned on. During the period when both switches are off the current loop control... Agent:
20110050186 - Voltage reducing circuit: A voltage reducing circuit includes an internal power supply section configured to reduce an external power supply voltage supplied from an external power supply to an internal power supply voltage which is lower than the external power supply voltage based on a reference voltage. A first current control section is... Agent:
20110050189 - Booster and voltage detection method thereof: A booster and a voltage detection method thereof are provided herein. The booster includes a charge pump circuit and a voltage detection circuit. The charge pump circuit is controlled by a switching signal to generate an actual voltage according to the basis voltage, wherein the actual voltage is a product... Agent:
20110050187 - Driving control device and method for power converting system: A driving control device and method for power converting system includes power converting circuit and driving control device. The driving control device has an analog/digital convertor, a measuring device, and a control module. The driving control method is the analog/digital convertor receives a inductor current and the parameters of the... Agent:
20110050191 - Inductor and dc-dc converter: An inductor includes a coil electrode section in which a first spiral electrode and a second spiral electrode are wound in substantially the same direction, lie in substantially the same plane, and are connected to each other by a connection electrode. The coil electrode section is sandwiched by the first... Agent:
20110050188 - Power supply controller with an input voltage compensation circuit: An example controller for a power supply includes a drive signal generator and a compensation circuit. The drive signal generator is to be coupled to control switching of a switch included in the power supply to regulate an output voltage of the power supply in response to a sensed output... Agent:
20110050190 - Systems and methods for enhanced efficiency auxiliary power supply module: Provided is a power supply for use in a solar electric production system, including: a first stage having an input connected to a voltage from a photovoltaic panel and an output providing a first voltage different from the voltage from the photovoltaic panel; and a second stage connected to the... Agent:
20110050192 - Methods for light load efficiency improvement of a buck boost voltage regulator: Methods are proposed for a buck boost voltage regulator to monitor the output voltage or both the inductor current and the output voltage of the buck boost voltage regulator to control the buck boost voltage regulator to reduce the switching times of the power switches of the buck boost voltage... Agent:
20110050193 - Power supply circuit for cpu: A power supply circuit includes a PWM controller, which is capable of providing pulse signals to the CPU, a temperature feedback circuit coupled to the PWM controller, and a temperature sensor. The temperature sensor is coupled to the temperature feedback circuit, the temperature sensor is located adjacent the CPU, and... Agent:
20110050194 - Driver circuit and test apparatus: Provided is a driver circuit that outputs, from an output end, an output signal corresponding to an input signal supplied thereto, comprising an output resistance section that is provided between a constant voltage source and the output end; an output switching section that switches voltage of the output end according... Agent:
20110050195 - Dc to dc converter: The invention relates to a DC to DC converter comprising a DC to DC converter unit (DCW), a first field effect transistor (FET1) for the voltage conversion, a bipolar transistor (BP1) as a starting aid, and a second field effect transistor (FET2) for switching-off the bipolar transistor (BP1). Said bipolar... Agent:
20110050196 - Reference current generating circuit: A reference current generating circuit includes first and second standard current generating circuits to generate first and second standard currents, respectively and first and second trimming circuits to generate first and second reference circuits by trimming the standard current values outputted from the standard current generating circuits. The second standard... Agent:
20110050197 - Reference current or voltage generation circuit: A reference current or voltage generation circuit which forms a self feedback circuit with a plurality of transistors and generates a reference current or a reference voltage, the reference current or voltage generation circuit including a normally-on type transistor that has a gate connected to a first power supply and... Agent:
20110050198 - Low-power voltage regulator: A technique for reducing power dissipation and circuit area for a high voltage application includes creating a low-voltage, local power supply for use with local circuitry. In at least one embodiment of the invention, an apparatus includes an output node configured to provide a regulated output voltage. The apparatus includes... Agent:
20110050199 - Control device and control method of high voltage inverter: The present invention relates to a control device and a control method of a high voltage inverter capable of automatically and accurately setting up neutral point information at a master controller and a plurality of cell controllers of the high voltage inverter, wherein a master controller determines information of neutral... Agent:Previous industry: Electricity: single generator systems
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