Electrical transmission or interconnection systems inventions 10/08

20080258551 - Communication circuit for a digital electronic dimming ballast: A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258552 - Fuel filler door interlock assembly: An interlock assembly is provided for a vehicle having a body with a selectively openable slidable door and a selectively openable fuel filler door mounted thereto. The fuel filler door is operatively connected with the interlock assembly. The interlock assembly has a first interlock state, operable to restrict the opening... Agent: General Motors Corporation Legal Staff

20080258553 - Remote control reactivation: A remote control system includes a portable control unit with a user interface. A radio frequency transceiver communicates with the remote control system to determine if the portable unit is within a secure space. Commands from the remote control system are ignored when the portable control unit is within the... Agent: Brooks Kushman P.C. / Lear Corporation

20080258554 - Power conditioner and method of managing the same: A power conditioner includes a main converter to transform a voltage outputted from a power source into a first transformed voltage and output the first transformed voltage to supply power to a power using point; and an auxiliary converter to transform the first transformed voltage outputted from the main converter... Agent: Stein, Mcewen & Bui, LLP

20080258555 - Multi-level power supply system for a complementary metal oxide semiconductor circuit: There is provided a circuit for managing a multi-level power supply. The circuit includes a comparator that compares a voltage level (Vs1) of a lower voltage supply bus to a voltage level (Vs2) of a higher voltage supply bus, and a switch that routes current from the lower voltage supply... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080258556 - Transfer switch with arc suppression: An automatic transfer switch for a power system receiving multiple alternating current sources and delivering multiple alternating current output is described. A transfer switch control circuit can sense a power loss in one or both AC sources. Each power supply can deliver current to drive a load but, if one... Agent: Holland & Hart, LLP

20080258557 - Multiple generator loadcenter and method of distributing power from multiple generators: A loadcenter supplies power to a non-critical load, a critical load and an ultra-critical load, and is capable of isolating a first distribution panel distributing power to the non-critical load from a second distribution panel distributing power to the critical load to enable the isolated distribution panels to be supplied... Agent: Martin J. Moran Eaton Electrical, Inc.

20080258558 - Multiple generator loadcenter and method of distributing power from multiple generators: A loadcenter for supplying power to a critical load is capable of isolating a distribution panel distributing power to the critical load from another distribution panel distributing power to a non-critical load to enable the isolated distribution panels being supplied with power from separate generator power sources in response to... Agent: Martin J. Moran Eaton Electrical, Inc.

20080258559 - Electric power flow control: An apparatus for controlling power flow in a high voltage network. A phase shifting transformer includes a tap changer.... Agent: Venable LLP

20080258560 - Electric supply for an aircraft gas turbine engine equipment: A device supplying electricity power to and actuating equipments of a gas turbine airplane engine, including an electricity power supply circuit dedicated to the engine and distinct from an electricity network on board the plane and excitation, control or servo circuits for pieces of electrical equipment of the engine. The... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080258561 - Power interface apparatus and method: A centralized isolated ground interface apparatus for providing a remote termination point for isolated ground conductors. The apparatus including an isolation transformer for establishing a neutral to ground bond, at least one isolated ground receptacle positioned remotely from the isolation transformer, a battery backup, an electrical interface housing the isolation... Agent: Adams Intellectual Property Law, P.A.

20080258562 - Apparatus and method for generating fine timing from coarse timing source: An apparatus for generating a pulse at a particular time dictated by an input. The apparatus may comprise an offset voltage generator for generating an offset voltage that is a function of the input, a current generator for generating a current, a ramp voltage generator for generating a ramp voltage... Agent: Qualcomm Incorporated

20080258563 - Electrical communication switch, outlet, companion device, and system: An electrical communication switch, an electrical communication outlet, an electrical communication companion device, and an electrical communication system are provided. The electrical communication switch includes a user-controlled switch having a plurality of switch leads and a controller. The controller is coupled to the user-controlled switch. The controller is configured to... Agent: Jonas J. Hodges

20080258564 - Switching mode power supply and switch thereof: A switching mode power supply and a switch thereof are provided. The switch includes a plurality of first transistors, and a second transistor that is turned on/off by a control signal that is equal to that of the plurality of first transistors and in which a second current corresponding to... Agent: Sidley Austin LLP

20080258565 - Electret device and electrostatic induction conversion apparatus comprising the same: An electret device includes an electret film into which charges are injected and a barrier film provided on a surface of the electret film and having an electron affinity smaller than the electron affinity of the electret film.... Agent: Ditthavong Mori & Steiner, P.C.

20080258551 - Communication circuit for a digital electronic dimming ballast: A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The... Agent: Lutron Electronics Co., Inc. Mark E. Rose

20080258552 - Fuel filler door interlock assembly: An interlock assembly is provided for a vehicle having a body with a selectively openable slidable door and a selectively openable fuel filler door mounted thereto. The fuel filler door is operatively connected with the interlock assembly. The interlock assembly has a first interlock state, operable to restrict the opening... Agent: General Motors Corporation Legal Staff

20080258553 - Remote control reactivation: A remote control system includes a portable control unit with a user interface. A radio frequency transceiver communicates with the remote control system to determine if the portable unit is within a secure space. Commands from the remote control system are ignored when the portable control unit is within the... Agent: Brooks Kushman P.C. / Lear Corporation

20080258554 - Power conditioner and method of managing the same: A power conditioner includes a main converter to transform a voltage outputted from a power source into a first transformed voltage and output the first transformed voltage to supply power to a power using point; and an auxiliary converter to transform the first transformed voltage outputted from the main converter... Agent: Stein, Mcewen & Bui, LLP

20080258555 - Multi-level power supply system for a complementary metal oxide semiconductor circuit: There is provided a circuit for managing a multi-level power supply. The circuit includes a comparator that compares a voltage level (Vs1) of a lower voltage supply bus to a voltage level (Vs2) of a higher voltage supply bus, and a switch that routes current from the lower voltage supply... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080258556 - Transfer switch with arc suppression: An automatic transfer switch for a power system receiving multiple alternating current sources and delivering multiple alternating current output is described. A transfer switch control circuit can sense a power loss in one or both AC sources. Each power supply can deliver current to drive a load but, if one... Agent: Holland & Hart, LLP

20080258557 - Multiple generator loadcenter and method of distributing power from multiple generators: A loadcenter supplies power to a non-critical load, a critical load and an ultra-critical load, and is capable of isolating a first distribution panel distributing power to the non-critical load from a second distribution panel distributing power to the critical load to enable the isolated distribution panels to be supplied... Agent: Martin J. Moran Eaton Electrical, Inc.

20080258558 - Multiple generator loadcenter and method of distributing power from multiple generators: A loadcenter for supplying power to a critical load is capable of isolating a distribution panel distributing power to the critical load from another distribution panel distributing power to a non-critical load to enable the isolated distribution panels being supplied with power from separate generator power sources in response to... Agent: Martin J. Moran Eaton Electrical, Inc.

20080258559 - Electric power flow control: An apparatus for controlling power flow in a high voltage network. A phase shifting transformer includes a tap changer.... Agent: Venable LLP

20080258560 - Electric supply for an aircraft gas turbine engine equipment: A device supplying electricity power to and actuating equipments of a gas turbine airplane engine, including an electricity power supply circuit dedicated to the engine and distinct from an electricity network on board the plane and excitation, control or servo circuits for pieces of electrical equipment of the engine. The... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080258561 - Power interface apparatus and method: A centralized isolated ground interface apparatus for providing a remote termination point for isolated ground conductors. The apparatus including an isolation transformer for establishing a neutral to ground bond, at least one isolated ground receptacle positioned remotely from the isolation transformer, a battery backup, an electrical interface housing the isolation... Agent: Adams Intellectual Property Law, P.A.

20080258562 - Apparatus and method for generating fine timing from coarse timing source: An apparatus for generating a pulse at a particular time dictated by an input. The apparatus may comprise an offset voltage generator for generating an offset voltage that is a function of the input, a current generator for generating a current, a ramp voltage generator for generating a ramp voltage... Agent: Qualcomm Incorporated

20080258563 - Electrical communication switch, outlet, companion device, and system: An electrical communication switch, an electrical communication outlet, an electrical communication companion device, and an electrical communication system are provided. The electrical communication switch includes a user-controlled switch having a plurality of switch leads and a controller. The controller is coupled to the user-controlled switch. The controller is configured to... Agent: Jonas J. Hodges

20080258564 - Switching mode power supply and switch thereof: A switching mode power supply and a switch thereof are provided. The switch includes a plurality of first transistors, and a second transistor that is turned on/off by a control signal that is equal to that of the plurality of first transistors and in which a second current corresponding to... Agent: Sidley Austin LLP

20080258565 - Electret device and electrostatic induction conversion apparatus comprising the same: An electret device includes an electret film into which charges are injected and a barrier film provided on a surface of the electret film and having an electron affinity smaller than the electron affinity of the electret film.... Agent: Ditthavong Mori & Steiner, P.C.

20080252141 - Energy management system and method: An energy management system comprises at least one energy consuming device and an energy controller. The energy controller supplies energy to the energy consuming device and transmits an energy curtailment signal in response to an energy over-consumption condition. In one embodiment, the curtailment signal can be directed to a predetermined... Agent: Whirlpool Patents Company - Md 0750

20080252142 - Apparatus for electrical power transmission: A device for electrical energy transmission includes one or more current converters. Each current converter has phase elements with at least one series connection of circuit elements each with at least two power semiconductors and at least two free-wheeling diodes that are connected in parallel thereto, and energy storing means.... Agent: Lerner Greenberg Stemer LLP

20080252143 - Method and device for injecting reactive current during a mains supply voltage dip: The invention relates to a method and device for injecting current during a mains supply voltage dip. The inventive method consists in permanently monitoring the magnitude and phase of the mains supply voltage and, upon detection of a voltage dip, injecting reactive current in the affected main supply phase(s) in... Agent: Ladas & Parry LLP

20080252144 - Uninterruptible power supply and method for controlling same: An uninterruptible power supply and method for controlling same are disclosed. The controlling method includes the steps of bypassing the first AC power to the output terminal via the bypass loop and the switch and converting a second AC power having a voltage, phase and frequency substantially equal to that... Agent: Kirton And Mcconkie

20080252145 - Dc/dc power conversion device: A DC/DC power conversion device includes n-stage circuits comprised of an inverter circuit for driving which is connected between positive terminals and negative terminals of smoothing capacitors, and a rectifier circuit which is connected between positive terminals and negative terminals of smoothing capacitors; a first circuit corresponding to at least... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080252146 - Controllable power supply device with step-up function: A controllable power supply device with a step-up function including a constant voltage generator, a programmable voltage generator, a first switch and a linear regulator is provided. The constant voltage generator is used to provide an initial voltage. The programmable voltage generator is used to receive the initial voltage and... Agent: Jianq Chyun Intellectual Property Office

20080252147 - Modular multiple-circuit electrical system: A multiple circuit duplex module comprising a chassis having an electrical chassis receptacle providing a plurality of connection points for the selection of power from two or more different circuits; a duplex element having at least one electrical duplex receptacle thereon to deliver power from one of the two or... Agent: Stewart L. Gitler Hoffman, Wasson & Gitler, P.C.

20080252148 - Separated battery and vehicle voltages: A power distribution system and method of operation, for a motor vehicle. The power distribution system includes a generator is in a parallel electrical connection with a battery and a switch. The generator is also in communication with a vehicle load circuit, while the battery is in selective communication with... Agent: Visteon/brinks Hofer Gilson & Lione

20080252149 - Ac/dc converter having single detectable input: An AC/DC input power converter including only a single input cable such that a user will never have to switch cabling, regardless if the cable is connected to an AC voltage source or a DC voltage source.... Agent: Jackson Walker LLP

20080246336 - Current fed inverter with pulse regulator for electric induction heating, melting and stirring: A current fed inverter with duty cycle regulation of dc current to the input of the inverter is provided to increase the magnitude of inverter output power while operating a resonant load at resonant frequency. The regulator duty cycle period is synchronized to the period of the output current of... Agent: Philip O. Post Indel, Inc.

20080246337 - Electrical power distribution system and method with active load control: An electrical power distribution system and a method of implementation are provided. The electrical power distribution system includes: a first AC power source; a second AC power source; a first DC bus; a first AC to DC rectifier; a second AC to DC rectifier; and an electrical load management control... Agent: Honeywell International Inc.

20080246338 - Multi-power source locomotive control method and system: Control modes for operating multiple power sources include energy storage systems and applicable to large systems such as locomotives. Selectable operating modes are provided for different locomotive speed ranges and work loads. A common DC bus electrical architecture is used so that prime power sources need not be synchronized. Multiple-engine... Agent: Merchant & Gould PC

20080246339 - Self-powered home automation installation and its method of operation: n

20080246340 - Battery integrated power supply (bips): The current state of the art in conventional direct current (DC) power supplies is to provide direct current to a load where the direct current is derived from alternating current (AC) line voltage. There are two inherent problems with such power supplies. If a large transient occurs in the line... Agent: Carl R Swisher

20080246341 - Power supply selection for multiple circuits on an integrated circuit: An integrated circuit comprising a plurality of circuits is provided. The integrated circuit further comprises a plurality of power circuits, wherein each of the plurality of power circuits can supply a selected voltage to at least one of the plurality of circuits.... Agent: Freescale Semiconductor, Inc. Law Department

20080246342 - Electrical switching device arrangement: An electric switching device arrangement has a switching section consisting of at least one first and one second switching point which are electrically connected in series by a conductor section used therefor. In order to compensate external vibrations effecting the electric switching device arrangement provided with the switching section, the... Agent: Lerner Greenberg Stemer LLP

20080246343 - Power supply adapter for usb devices: A power supply adapter for an electronic device includes a power interface and a switch element. The power interface is used for being connected to a power line of the electronic device, for providing power to the electronic device. The switch element is used for being coupled between a power... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080246344 - Arrangement for failsafe evaluation of a position encoder: A safety switching device comprises a position encoder, such as a potentiometer, for user selection of an operational quantity, such as an operating mode. The position encoder has a first terminal, a second terminal, and a tap moveable through a plurality of positions. A total impedance is defined between the... Agent: Harness, Dickey & Pierce, P.L.C

20080246345 - Semiconductor switch arrangement and an electronic device: A semiconductor switch arrangement (300) comprises a bipolar transistor (302) and a semiconductor power switch (301) having an input node (306), an output node (304) and a control node (305) for allowing a current path to be formed between the input node (306) and the output node (307). The bipolar... Agent: Freescale Semiconductor, Inc. Law Department

20080238191 - Power supply unit for use with an aircraft electrical system: A power supply unit that provides uninterrupted power to an aircraft power bus during switchovers of the aircraft bus from one power source to another. The power supply unit includes circuitry to distinguish between loss of bus power due to switchovers between power sources and loss of bus power due... Agent: James D. Stevens Reising, Ethington, Barnes, Kisselle, P.C.

20080238193 - Auto (car) inverter, & auto timer, with always-on and timed sockets and outlets: p

20080238194 - Device for managing the supply to a network of power-consuming elements for a motor vehicle: A switching unit for a device for managing the supply to a network of power-consuming elements for a motor vehicle, said management device including: a main network (Rp), a main energy storage element (Bp) which is intended to supply the main network (Rp), a secondary network (Rs), and a secondary... Agent: Berenato, White & Stavish, LLC

20080238192 - Power feed control circuit for on-vehicle electronic control apparatuses: First and second on-vehicle electronic control apparatuses which communicate with each other through serial communication interface circuits are fed with powers through an output contact of a power source relay from an on-vehicle battery, an electromagnetic coil of the power source relay is energized through a transistor when a power... Agent: Sughrue Mion, PLLC

20080238195 - Distributed maximum power point tracking system, structure and process: Distributed maximum power point tracking systems, structures, and processes are provided for power generation structures, such as for but not limited to a solar panel arrays. In an exemplary solar panel string structure, distributed maximum power point tracking (DMPPT) modules are provided, such as integrated into or retrofitted for each... Agent: Glenn Patent Group

20080238196 - Energy recycle system for use with ac current power supply: An energy recycle system for use with an AC current power supply, for example, an electronic ballast, is presented. The energy recycle system includes an energy recycle load connected to an output terminal of the AC current power supply, in which the energy recycle load includes a rectifier for rectifying... Agent: Madson & Austin

20080238197 - Multi-module current sharing scheme: A circuit provides multi-module current sharing for circuit modules. The circuit includes an error amplifier having a negative and a positive input and an output. The positive input of the error amplifier is connected to a reference voltage. A buffered differential amplifier has an output connected to the negative input... Agent: Howison & Arnott, L.l.p

20080238198 - Charge pump for bus-powered device: A charge pump can be used with a bus-powered device connected to a bus. The charge pump is formed of a power connection from the bus carrying a DC power signal constrained to not exceed a given current limit and a given voltage limit, a DC-to-DC step-down voltage converter, a... Agent: Electro Scientific Industries/stoel Rives, LLP

20080238199 - Current source, control device and method for operating said control device: A current source includes a first switching element configured to adjust an output current according to a control signal received at a control input. The current source also includes a reference resistance, which is electrically coupled to the first switching element such that the output current flows through the reference... Agent: Lerner Greenberg Stemer LLP

20080238201 - Aircraft power system and apparatus for supplying power to an aircraft electrical system: An aircraft power system is provided having an aircraft power supply and a bidirectional switch. The aircraft power supply includes an alternator, a battery and a load. The bidirectional switch is coupled between one of the alternator and the battery, and the load. The switch includes a first FET, a... Agent: Wells St. John P.s.

20080238200 - Power converter and control method for a power converter: A control method for a power converter capable of reducing overall volume of a system and energy loss by using a plurality of power sources and distributing loads to them without a DCDC converter and a combination of a fuel cell and a battery. The power converter has DC power... Agent: Young & Basile, P.C.

20080238202 - Integrated electrical power extraction for aircraft engines: An aircraft power system includes an aircraft engine having a plurality of engine spools, a plurality of AC generators driven by at least one spool, wherein each AC generator is independently operational to supply AC power to a respective AC power bus or a respective power electronics module, and at... Agent: General Electric Company Global Research

20080238203 - Battery charging and power managerment circuit: Traditionally, system loads are placed in parallel with the battery. This simple topology wastes the available power if the USB power and/or wall adapter is present. Recent topologies have made some improvements by powering the load by the maximum available voltage. Thus, if a USB power source or wall adapter... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080238205 - Hybrid green uninterruptible power system and bi-directional converter module and power conversion method thereof: A hybrid green uninterruptible power system including an input port, a boost module, a secondary battery, a bi-directional converter module, and an inverter module is provided. The boost module converts an AC utility power into a high voltage DC power. The bi-directional converter module includes a multi-winding transformer for either... Agent: Rosenberg, Klein & Lee

20080238204 - Power mains data transfer system: A power mains data transfer system according to one embodiment of the present invention comprises a data transceiver, a first data path to the power mains over which a data path is maintained, and a second, power path connected to the UPS output and provides a connection from which data... Agent: Joanne M. Martin

20080238206 - Universal interface for battery charger: A battery pack module having a battery and a battery charger suitable for re-charging the battery. The battery pack powers a network terminal such as an optical network terminal (ONT) upon utility-company power failure. Upon return of power from the power utility company the battery charger automatically re-charges the battery.... Agent: Verizon Patent Management Group

20080238207 - Apparatus and method for measuring battery charge level of portable terminal: Disclosed is a method for measuring a battery charge level of a portable terminal having a removable back-up battery. The method includes determining that the back-up battery is connected in parallel to an main battery of the portable terminal, disconnecting the main battery from the back-up battery for a period... Agent: H.c. Park & Associates, PLC

20080238208 - Dc-dc switching cell modules for on-board power systems: A DC-DC switching cell module includes a switch, a rectifier, an output filter coupled to the rectifier, and an input port for receiving an external PWM control signal from a controller. The switching cell module is configured to control the switch in response to the external PWM control signal to... Agent: Harness, Dickey, & Pierce, P.l.c

20080238209 - Image forming apparatus: An image forming apparatus according to an aspect of the invention is operable in a first mode in which a first unit group comprising at least one of a plurality of functional units is activated and a second mode in which a second unit group comprising at least one of... Agent: Baker Botts LLP C/o Intellectual Property Department

20080238210 - Method and apparatus for generating short duration high voltage energy pulses using integrated generators and antennae: A method and a small profile apparatus for generating high voltage impulses. Integration of the radiating antenna with the impulse source structure makes possible the small size of the present invention.... Agent: David Allen Hall

20080238211 - Solid-state microsecond capacitance charger for high voltage and pulsed power: A solid-state high-voltage pulse generator based on a three-phase chopper capacitance charger is described. In a first phase, an intermediate capacitor is resonance-charged via a diode. In a second phase, the intermediate capacitor is discharged to the load through one or more solid-state switches. In a third phase, the energy... Agent: Knobbe Martens Olson & Bear LLP

20080238212 - Transmission of a binary switch position: The present disclosure relates to simplified monitoring and transmission of a binary switch position by means of coded switching, in which corrections caused by different pulse edge delays are eliminated. According to the disclosure, an auxiliary voltage which is to be transmitted when the switch position is closed is coded... Agent: Buchanan, Ingersoll & Rooney PC

20080238214 - Switch gear cell and converter circuit for switching a multiplicity of voltage levels with a switchgear cell such as this: A switchgear cell having a group of connection is disclosed, with the group of connection having a first and a second controllable bidirectional power semiconductor switch and a capacitor. In order to reduce the stored electrical energy and to save space, the group of connection can have a third, fourth,... Agent: Buchanan, Ingersoll & Rooney PC

20080238213 - Switching circuit, signal output device and test apparatus: There is provided a switching circuit that opens or short-circuits between a first terminal and a second terminal in accordance with a control signal. The switching circuit includes a plurality of switching devices that is serially connected between the first terminal and the second terminal and each of which is... Agent: Jianq Chyun Intellectual Property Office

20080238215 - Method, memory media and apparatus for detection of grid disconnect: A phase shift procedure for detecting a disconnect of a power grid from a feeder that is connected to a load and a distributed generator. The phase shift procedure compares a current phase shift of the output voltage of the distributed generator with a predetermined threshold and if greater, a... Agent: General Electric Company Global Research

20080238216 - Power floor method and assembly: A power floor tile assembly and method for providing power to furniture components via a floor structure, the tile assembly including a plurality of floor tiles, each tile including a substantially rigid supporting substrate member that includes top and bottom surfaces and an edge, at least a first conductive tile... Agent: Quarles & Brady LLP