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PLURAL LOAD CIRCUIT SYSTEMS

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307 - Electrical transmission or interconnection systems

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
307031000 Control of current or power 359
307018000 Plural sources of supply 346
307038000 Selectively connected or controlled load circuits 160
307017000 Transformer connections 27
307012000 Common conductor or return type 18
307042000 Circuit arrangements or layouts 12
307036000 Serially connected load circuits 7
307030000 Anticoupling of load circuits through same source 2
20090127931ELECTRONIC CIRCUIT DEVICE - An electric circuit device operable under a first power supply includes: a first circuit; a switch connecting the first circuit with the first power supply; a second circuit for producing a signal output; a control signal output unit for outputting a control signal in accordance with the signal output of the second circuit, wherein while the first circuit is supplied with a first power supply voltage via the switch by supplying of a driving voltage to the switch, the supply of the driving voltage is temporality cut off in response to the control signal.05-21-2009
20100148581POWER SYSTEM AND METHOD FOR DRIVING AN ELECTROMOTIVE TRACTION SYSTEM AND AUXILIARY EQUIPMENT THROUGH A COMMON POWER BUS - Power system and method for providing electrical power are provided. The system includes a traction system and auxiliary equipment coupled to a power bus. The traction system includes one or more electromotive machines having a first type of stator winding that provides protection relative to voltage spikes expected at the traction stator under a first voltage level appropriate for the traction system. The auxiliary equipment includes one or more electromotive machines having a second type of stator winding that provides protection relative to spikes expected at the auxiliary stator under a second voltage level lower than the first voltage level. Inverter circuitry is coupled to drive the auxiliary equipment, and signal-conditioning circuitry is provided to attenuate voltage spikes produced by the inverter circuitry. The power bus is operated at the first voltage level, and the voltage spike attenuation is sufficient to protect the auxiliary stator.06-17-2010
Entries
DocumentTitleDate
20090218884Contactless Battery Charging Apparel - A sequential power transmission between a portable user-carried battery and first and second independent accessories. At least one primary inductive coupling coil is mounted on an article of apparel worn by the user, so as to place a primary coil adjacent a first intermediary inductive coupling coil on the first independent accessory. The energizing of the first intermediary coil energizes a second intermediary coil on the first independent accessory. The second intermediary coil, when energized, energizes a secondary coil on the second independent accessory for powering the use, including the charging of the batteries of that accessory.09-03-2009
20130026830Device adaptive Power Management System - A power management apparatus is operable to regulate power to an attached powered device according to power requirements of the device. The illustrative power management apparatus can comprise a power input connector, at least one power output connector, and at least one power control circuit. The at least one power output connector is operable to supply power to powered devices characterized by a plurality of power characteristics. The at least one power control circuit is operable to determine a power characteristic of a powered device connected to the at least one power output connector and to supply power to the powered device in compliance with the power characteristic.01-31-2013
20100133901Modular stacked subsea power system architectures - A sub-sea power delivery system includes a plurality of modular power converter building blocks on each of the power source side and the sub-sea load side that are stacked and interconnected to meet site expansion requirements and electrical load topologies. The power delivery system comprises a system DC transmission link/bus, wherein the system DC link is configured to carry HVDC or MVDC power from an onshore utility or topside power source to multiple sub-sea load modules. The stacked modular power converter topology on the sub-sea side of the sub-sea power delivery system is symmetrical with the stacked modular power converter topology on the on-shore/top-side of the sub-sea power delivery system.06-03-2010
20130033103Systems and Methods For Distributed Impedance Compensation In Subsea Power Distribution - Systems and methods for impedance compensation in a subsea power distribution system. These systems and methods include the use of a plurality of distributed impedance compensation devices to control the impedance of the subsea power distribution system. These systems and methods may include the use of distributed impedance compensation devices that are inductively coupled to a subsea power transmission cable associated with the subsea power distribution system. These systems and methods also may include the use of distributed impedance compensation devices that are inductively powered by the subsea power transmission cable. These systems and methods further may include the use of distributed impedance compensation devices that are marinised for use under water.02-07-2013
20120212048Landscape electrical component connector system - A landscape electrical component connector system is provided which is based on a low-voltage electrical circuit with underground wire cable lines and interchangeable, below ground waterproof connectors which interconnect outdoor electrically positioned above ground lighting, audio, and cooling components. These components, which are hard-wired with waterproof connectors, provide versatility in their ability to be easily and simply added and removed from the system manually, without the use of tools, as desired by the owner. The waterproof connectors are quick connect elements which allow for fast and clean interchange of the various components and circuit splitters and extensions, both during initial installation of the system and after it has been installed.08-23-2012
20120181861METHOD FOR DATA TRANSMISSION FROM A TRANSMITTER TO A RECEIVER IN AN AC POWER SUPPLY SYSTEM, AND APPARATUS FOR DATA TRANSMISSION WITH AC POWER SUPPLY SYSTEMS - The invention relates to a method for the data transmission from an emitter (07-19-2012
20130049461CIRCUIT TOPOLOGY OF PRINTED CIRCUIT BOARD - A circuit topology for multiple loads includes a driving terminal, first and second signal receiving terminals, and a capacitor. The driving terminal is connected to a node through a first transmission line. The node is connected to the first and second signal receiving terminals through second and third transmission lines. The second transmission line is longer than the third transmission line, and a difference between lengths of the second and third transmission lines is greater than a product of a transmission speed and a rise time of signals from the driving terminal. A first terminal of the capacitor is connected to the third transmission line. A second terminal of the capacitor is grounded. A distance between the capacitor and the second signal receiving terminal is less than a distance between the capacitor and the node.02-28-2013
20100264729POWER SUPPLY CIRCUIT AND LIGHTING SYSTEM - [Problems to be Solved] In technology for identifying the position of an indoor terminal with high accuracy, the cost for installing a transmitter is high for the introduction of the position identifying technique which uses a transmitter to send a weak electric wave such as in Bluetooth, RFID, and the like, or an emitter to emit an infrared ray.10-21-2010
20130057066EXTERNAL MODULE, ELECTRONIC DEVICE AND METHOD FOR DRIVING EXTERNAL MODULE - An external module, an electronic device and a method for driving an electronic module are provided. The electronic device includes a host and multiple external modules. The external module adapted to be removably connected to the electronic device includes a body, a first connector, a moving assembly and a second connector. The body has multiple connecting ports. The first connector is fixed on one of the connecting ports. The electronic device is adapted to be electrically connected to the first connector for providing power to the external module to drive the moving assembly. The second connector is assembled to the moving assembly disposed in the body and electrically connected to the first connector. The moving assembly drives the second connector to switch between the connecting ports, and the connecting port where the second connector is located is different from the connecting port where the first connector is located.03-07-2013
20120112539WIRELESS POWER TRANSFER SYSTEM, CONTROL METHOD OF WIRELESS POWER TRANSFER SYSTEM, WIRELESS POWER TRANSMITTING APPARATUS, CONTROL METHOD OF WIRELESS POWER TRANSMITTING APPARATUS, AND STORAGE MEDIUM - A wireless power transfer system comprising a wireless power transmitting apparatus and a plurality of wireless power receiving apparatuses, the wireless power transmitting apparatus comprising: a power transmitting unit adapted to transmit power to the wireless power receiving apparatus; a recognition unit adapted to recognize the wireless power receiving apparatus; and a transmitting unit adapted to transmit predetermined charging delay information according to a recognition result of the recognition unit to the wireless power receiving apparatus recognized by the recognition unit, and the wireless power receiving apparatus comprising: a power receiving unit adapted to receive power transmitted from the power transmitting unit; a receiving unit adapted to receive the predetermined charging delay information transmitted from the transmitting unit; and a display unit adapted to make a display based on the predetermined charging delay information received by the receiving unit.05-10-2012
20110012426POWER SUPPLY SYSTEM AND METHOD - A power supply system includes a power supply, a daughterboard, and a motherboard. Output currents of power connectors of the motherboard and impedances of copper foils between every two adjacent power connectors of the motherboard are obtained via simulation. A voltage of one power connector of the motherboard is predetermined. Therefore, desired impedances of copper foils between VRM connectors and corresponding power connectors on the daughter board are determined via calculations, to make currents passing through the power connectors of the motherboard equal to each other.01-20-2011
20130162034EMO Linkage Simplification - Disclosed herein is a simplified EMO linkage circuit that enables add-on equipment without retrofit, and eliminates the need for multi-contact EMO switches.06-27-2013
20120235479METHOD FOR SETTING PARAMETERS OF A FIELD DEVICE ELECTRICAL CURRENT SUPPLY MODULE - A method for setting energy supply parameters of a field device electrical current supply module. The field device electrical current supply module is connected, in such case, exclusively to one field device. The connected field device can be supplied electrical energy by the field device electrical current supply module. In the method, a field device type of the connected field device is identified first by the field device electrical current supply module. Then, a parameter setting of at least one energy supply parameter of the field device electrical current supply module is automatically read out from a database and this is loaded into the field device electrical current supply module.09-20-2012
20120235478OPERATION PLANNING METHOD, AND HEAT PUMP HOT WATER SUPPLY AND HEATING SYSTEM OPERATION METHOD - An operation planning method performed in a system including a power generation device, a first electric load operating using power generated by the power generation device, and a second electric load which generates heat using power generated by the power generation device. The operation planning method is performed to design an operation plan for the second electric load and includes: predicting, for individual unit time periods, a power generation amount by the power generation device and a power consumption amount by the first and second electric loads; and designing the operation plan for the second electric load to operate during an operation period including the time period with the largest amount of reverse power, calculated by subtracting the first and second power consumption amounts from the power generation amount.09-20-2012
20120235477Modular Portable Energy System - The present invention relates to modular portable energy systems, specifically solar energy systems or kits. In a first embodiment, a personal solar kit is provided. A portable shelter system with power generation capabilities is provided in a second embodiment. In a third embodiment, alternative power generation systems are provided. A multi-layered solar power generation device is provided in a fourth embodiment. In a fifth embodiment an energy network system is provided that can be used with any of the previous embodiments of the present invention.09-20-2012
20120091794WIRELESSLY POWERED LAPTOP AND DESKTOP ENVIRONMENT - A wireless energy transfer system for energizing desktop electronics includes a source resonator, having a dipole moment, and configured to be positioned above a desk and oriented such that the dipole moment of the resonator is parallel to a top surface of the desktop, the source resonator configured to generate oscillating magnetic fields, and wherein the oscillating magnetic field is capable of providing energy to at least one electronic device having an integrated device resonator when the electronic device is positioned at least one of on the desktop and above the desktop.04-19-2012
20120098333Subscriber Line Interface Circuit with Intra-Operational State Selectable Supply - A method of generating a plurality of supply voltages for a plurality of subscriber line channels includes generating a first target VBAT value for a first associated linefeed driver from a first VBAT control. A second target VBAT value for a second associated linefeed driver is generated from a second VBAT control. A selected target VBAT value is generated based upon the first and second target VBAT values. A magnitude of the selected target VBAT value is not less than any maximum of a magnitude of the first and second target VBAT values. A switching regulator is controlled to provide a first generated VBAT corresponding to the selected target VBAT value, wherein the switching regulator provides a second generated VBAT having a pre-determined proportional relationship (p) to the first generated VBAT.04-26-2012
20090206662Inverter unit - An inverter unit includes a reactor and switching elements that form a voltage boost circuit that boosts a power supply voltage; a switching element for an inverter that forms an inverter circuit to be supplied with the power supply voltage boosted by the voltage boost circuit; and a cooling unit provided with a coolant passage that carries coolant along a cooling face with which the reactor and the switching elements of the voltage boost circuit and the switching element of the inverter circuit are in contact.08-20-2009
20090256421MOBILE POWER GENERATION SYSTEM AND METHOD OF CONSTRUCTING THE SAME - The present invention relates to a mobile power generation system and method of constructing the system. The mobile power generation system includes a power generation module configured to generate and transmit electricity, a mobile module configured to be movable and to allow the power generation module to be assembled therein, an additional module configured to protect the mobile module against external physical shocks and fix the mobile module at a designated location, and a site configured to allow the mobile module to be fixed therein. The present invention is advantageous in that mobile power generation facilities are modularized and produced in a technically-intensive manner, the construction time and expenses thereof are decreased, existing sites are reused, and the mobile power generation facilities are safely protected against physical shocks such as earthquakes because they are moved and float through a mobile module.10-15-2009
20120292991Combination GFCI/AFCI Receptacle with Class 2 Power Units - A combination AC receptacle and low voltage class 2 power units are provided in a standard single strap flush wall-mount outlet so that portable battery operated electronic devices may be charged without having to use a special AC charger. Ground fault circuit interrupter (GFCI) and/or arc fault circuit interrupter (AFCI) capabilities are also provided so that this combination AC receptacle and low voltage class 2 power units, e.g., USB receptacles, may used in occupancy locations requiring such protections under current electrical building codes. A standard wall cover plate is used to finish off installation of this flush wall-mount outlet into a wall outlet box. Also a data interface may be provided to allow a PDA or PC to control smart wiring systems through the USB receptacle.11-22-2012
20080284247Method for operating a system of modular structure, in particular a process automation system - There is described a method for operating a system of modular structure, which can be extended during operation by adding modules that consume electrical energy, in particular a process automation system, the system having a power supply, which supplies the other modules of the system with electrical energy, with at least one signal being generated and displayed before a further module that consumes electrical energy is added, from which signal it is possible to identify or derive the level of current electrical power, which the power supply can still supply to the further module to be added given the already added modules—residual power—and/or the level of power, which the power supply supplies currently to the already added modules and/or from which it can be identified or derived whether the module to be added can be added without overloading the power supply.11-20-2008
20080309160Modular blade enclosure power subsystem disign - An apparatus for distributing power to computing modules in a multi module enclosure. The apparatus includes at least one power input module, a plurality of power input cables, a plurality of power conversion modules, and a plurality of computing modules. The at least one power input module is modularly arranged within the multi module enclosure. The plurality of power input cables are electrically connected to and provide power input to the at least one power input module. The plurality of power conversion modules are electrically connected to power outputs of the at least one power input module and are modularly arranged within the multi module enclosure. The plurality of computing modules are electrically connected to power outputs of the power conversion modules and are arranged within the multi module enclosure.12-18-2008
20100276995Security for wireless transfer of electrical power - A security mechanism is provided for wireless power transfer applications including resonant source and device objects, wherein tuned resonance between source and device objects is necessary for efficient power transfer. Tuning parameters associated with the source object are periodically adjusted so as to require corresponding changes in tuning parameter(s) of the device object to maintain tuned resonance. The tuning parameters are communicated to authorized users such that only authorized users capable of matching the changes made by the transmitter would be capable of receiving power. Unauthorized users that are unaware of the transmit tuning parameters will be rendered unable to maintain tuned resonance and thus unable to receive power.11-04-2010
20100078995Beam power with multipoint reception - A beam power source transmits a signal indicating power availability, receives a request for power in response, and beams power in response to the request.04-01-2010
20090072620METHOD AND APPARATUS FOR RESISTIVE POWER DISTRIBUTION - An electrical power distribution method and apparatus are disclosed, the apparatus comprising a first power distribution member section receiving electrical power from a power supply and a second high resistivity power distribution member section, electrically connected to the first section for supplying the electrical power to an electrical device in electrical communication with the high resistivity section.03-19-2009
20120146408PRODUCTION SYSTEM POWER SUPPLY CONTROL METHOD, AND PRODUCTION SYSTEM - A power supply control method of a production system including a first unit and a second unit includes: starting power supply for operation of the second unit in accordance with a signal acquired according to an operation status of the first unit (S06-14-2012
20110254367Redundant Power Delivery - Redundant power delivery including a power cable comprising a first plug including contacts for hot, neutral, and ground and a plurality of power lines, each power line electrically connected independently to the hot, neutral, and ground contacts of the first plug at a first end and each power line having a second plug at a second end providing contacts for hot, neutral, and ground; a selectable redundant power module, the selectable redundant power module comprising a plurality of input connectors, each input connector comprising a hot, neutral, and ground contacts and adapted to engage each second plug of each power line; and a switch to select one or more of the input connectors of the selectable redundant power module for receiving power.10-20-2011
20110133551BATTERY BACKED POWER-OVER-ETHERNET SYSTEM - A power control system arranged for use in a power-over-Ethernet system comprises a battery (06-09-2011
20120306269METHOD AND APPARATUS FOR DETECTING LOAD FLUCTUATION OF WIRELESS POWER TRANSMISSION - A method and apparatus to detect load fluctuation of a wireless power transmission are provided. A wireless power transmitter includes a resonator configured to wirelessly transmit, to a target device, an output power. The wireless power transmitter further includes a power detector configured to detect a current of the output power. The wireless power transmitter further includes a controller configured to detect a change in the current, and to detect a target load based on the change in the current. The target load includes a load of which the output power is applied thereto.12-06-2012
20110316335METHOD AND DEVICE FOR OPERATING AN AUTOMATION MACHINE - An automation machine with a plurality of electric energy loads and a method for operating an automation machine is disclosed. The automation machine is operated by controlling, with a machining program, a machining operation carried out with the automation machine on at least one item and having at least one machining step, determining the active electric power consumed by the plurality of energy loads, and determining from the determined active electric power consumed by the plurality of energy loads the electric energy consumed by the machine or by the plurality of energy loads for at least one of a machined item, a machining step and a pass through the machining program. The lowest electric energy consumption can be determined by comparing different machining operations, with a future machining operation to be controlled with the machining program having the lowest electric energy consumption, enabling energy-efficient operation of an automation machine.12-29-2011
20120001485WIRELESS POWER SUPPLY SYSTEM, WIRELESS POWER TRANSMITTING DEVICE, AND WIRELESS POWER RECEIVING DEVICE - A wireless power supply system includes: a wireless power transmitting device configured to include a variable resonant circuit having a variable-controllable resonant frequency characteristic, and to transmit electric power wirelessly via the variable resonant circuit; a power transmission control unit configured to variably control the resonant frequency characteristic of the variable resonant circuit; and a plurality of wireless power receiving devices configured to include respective unique resonant circuits having respective unique resonant frequency characteristics which are different to each other, and to wirelessly receive power from the wireless power transmitting device by a magnetic field resonance mode arising as a result of the unique resonant circuit tuning to a resonant frequency of the variable resonant circuit.01-05-2012
20120175951LOAD BALANCING FOR DISTRIBUTION POWER SUPPLY SYSTEM - Solutions for balancing loads in a distribution power supply system are disclosed. In one embodiment, a load balancing system including: an obtainer for obtaining load data from a plurality of meters, wherein each meter is connected to one of: a first phase, a second phase, or a third phase of a distribution power supply system; a determinator for determining a balanced load distribution for the first, second, and third phases of the distribution power supply system based on the load data, wherein the balanced load distribution indicates one of: the first phase, the second phase, or the third phase for each meter to switch connection to; and a transmitter for transmitting balanced load distribution commands including the balanced load distribution to each of the meters, such that each meter switches a phase connection to the distribution power supply system according to the balanced load distribution commands.07-12-2012
20120056478POWER-SUPPLY CONTROL DEVICE - A power-supply control device for battery having a plurality of cells connected in series has a voltage conversion unit that steps down a voltage at the battery to supply the stepped-down voltage to a first load, a first opening and closing unit that opens and closes a supply path of first power from the battery to the voltage conversion unit and a second load, a battery control unit that detects abnormality of the battery, controls opening and closing of the first opening and closing unit, and is operated by second power supplied from the battery or third power supplied from the voltage conversion unit, the second power being lower than the first power, and a second opening and closing unit that opens and closes a supply path of the second power from the battery to the battery control unit.03-08-2012
20120025606DUAL OUTPUT POWER SUPPLY - A single power supply provides at least one constant voltage output and at least one constant current output. The single power supply includes two or more switching power converters, such as flyback converters, that are independently controllable based on an error signal corresponding to the associated output. Further, one or more of the switching power converters can implement such control using primary-side feedback. The switching power converters can be flyback converters. Any switching power converters included the in the single power supply can both be part of a single PCB assembly, part of a single IC package, or part of a single monolith semiconductor die.02-02-2012
20120161513SINGLE-PHASE VOLTAGE SOURCE AC/DC CONVERTER AND INTERCONNECTION SYSTEM - A single-phase voltage source AC/DC converter according to the present invention generates a second axis voltage command from difference between a DC voltage detection value at a DC terminal and a DC voltage command value and controls a DC voltage by increasing and decreasing active power with the second axis voltage command. For example, the voltage at the DC terminal is increased by decreasing active power when the DC voltage detection value at the DC terminal is lower than the DC voltage command, while the DC voltage detection value at the DC terminal is decreased by increasing the active power when the DC voltage detection value at the DC terminal is higher than the DC voltage command.06-28-2012
20120212049CONFIGURABLE APPARATUS AND METHODS FOR SUPPLYING POWER AND DATA TO ELECTRONIC DEVICES - Embodiments of a system, topology, and methods for providing electrical power to electronic devices from various power sources are described generally herein. Other embodiments may be described and claimed.08-23-2012
20090008992SEMICONDUCTOR INTEGRATED CIRCUIT - In a semiconductor integrated circuit, a switching circuit controls the capacity of a capacitor unit based on a control signal from a control circuit and separates a resonant frequency determined by first inductance, second inductance, and the capacity of the capacitor unit from the band area of the signal handled by an A/D converter.01-08-2009
20120261985 Coded Power Converter System - The present invention relates to a power converter system (10-18-2012
20100244561DC Voltage Converting Device - A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable connection. To improve such a DC voltage converting device in that also with high DC voltages on the input side, a conversion into another DC voltage is possible without any special constructional efforts and high costs while complicated cooling means or the like, are avoided at the same time, the DC voltage converting device comprises a plurality of DC voltage converting units of which each is serially connected to the DC voltage source on the input side and connected in parallel with the cable connection on the output side for supplying the converted DC voltage.09-30-2010
20120080939POWER TERMINAL BLOCK AND POWER SUPPLY APPARATUS - A power terminal block includes a base made of an insulator, a plurality of power terminals electrically insulated from each other and disposed on the base, and a plurality of terminal bases, each terminal base including a base connecting part made of a conductor and electrically coupled to the power terminals, and a first conductor connecting part made of a conductor, the first conductor connecting part being physically and electrically coupled to the base connecting part, the base connecting part and the first conductor connecting part being provided at different heights, wherein adjoining terminal bases, electrically coupled to power terminals supplied with currents with different electrical potentials, are coupled with the first conductor connecting parts of adjoining terminal bases disposed in different directions.04-05-2012
20120091798ELECTRICAL POWER SUPPLYING DEVICE HAVING A CENTRAL POWER-HUB ASSEMBLY SUPPLYING ELECTRICAL POWER TO POWER PLUGS, ADAPTORS AND MODULES WHILE CONCEALED FROM VIEW AND MANAGING EXCESS POWER CORD DURING POWER SUPPLYING OPERATIONS - An electrical power-supplying device for supplying electrical power to a group of electrical appliances located in an environment. The electrical power supplying device includes a power supply cord for plugging into a standard power receptacle by way of a supply power plug, and also a housing base portion having a 3D interior volume with a capacity for holding a plurality of power adapters, power transformer modules and power plugs associated with a group of electrical appliances located in the environment. A centrally located power-hub assembly or structure is supported in the housing base portion, for supporting a plurality of electrical receptacles and one or more electronic circuits. A housing cover portion is adapted to cover the power-hub assembly, and conceal appliance power plugs and adapters plugged into the electrical receptacles.04-19-2012
20120091797ENERGIZED TABLETOP - An energized table includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L04-19-2012
20120091796WIRELESS POWERED PROJECTOR - A wireless power system for powering a projector includes a source resonator, configured to generate an oscillating magnetic field, and at least one device resonator, configured to receive power from the source resonator via the oscillating magnetic field, wherein said at least one device resonator supplies power to a projector component and to an adapter card component.04-19-2012
20120091795WIRELESS POWERED TELEVISION - A wireless power system for powering a television includes a source resonator, configured to generate an oscillating magnetic field, and at least one television component attached to at least one device resonator, wherein the at least one device resonator is configured to wirelessly receive power from the source resonator via the oscillating magnetic field when the distance between the source resonator and the at least one device resonator is more than 5 cm, and wherein at least one television component draws at least 10 Watts of power.04-19-2012
20120286571POWER SUPPLY - A power supply to provide electrical power to one or more loads. The power supply may include a resonant air core transformer to provide an adjustable and adaptable source of power to electronic devices. The power supply may include isolated primary-side circuitry and secondary-side circuitry. The primary-side circuitry may include control circuitry that, among other things, provides drive waveforms for the primary-side switching circuitry. In embodiments configured to produce AC output, the secondary-side circuitry may also include switching circuitry. The primary-side control circuitry may provide drive waveforms for the secondary-side switching circuitry. The secondary-side circuitry may include measurement circuitry that measures the current and/or voltage of the output and provides those measurements to the control circuitry through isolation circuitry. The control circuitry may adjust the drive waveforms for the primary-side and/or secondary-side switching circuitry as a function of the measured values.11-15-2012
20120286570POWER DISTRIBUTION ARCHITECTURE FOR DUAL INTEGRATED CORE ENGINE TRANSCEIVER FOR USE IN RADIO SYSTEM - A method and apparatus of using DICE-T personality cards to adapt the incoming voltages supplied by the GVA and provide the ability to turn any voltage to any card on or off depending upon operating mode in a radio system is disclosed. The ability to control voltages individually also allows the control of the power-up sequencing of any card. The DICE-T personality cards use voltages from GVA to generate the additional voltages required by the Core Engines and VHF Module. All of the voltages are connected to hot-swap controllers which provide switching of the power to each destination. These hot-swap controllers also provide monitoring of voltage and shut-down if over-current conditions occur. The two DICE-T personality cards each have a Complex Programmable Logic Device (CPLD) controls the hot-swap controller for each voltage. The CPLD also controls the sequencing of the individual voltages applied to each module.11-15-2012
20120139340RF and EM Field Shield and Electrical Generator - The RF (Radio Frequency) and EM (Electro Magnetic) Field Shield and Electrical Generator is an apparatus for shielding the user of an electrical device from electrical frequency generated internally from the device during normal operations while at the same time absorbing the unproductive fields generated internally or available from external fields for conversion to an electrical current that can be utilized to provide recycled and captured electrical current to the device. Additionally with increased size applied to the apparatus as a stand-alone converter that can provide electrical current to a number of electrical devices, or an external power grid.06-07-2012
20120139339POWER SUPPLY APPARATUS AND METHOD TO CONTROL THE SAME - A power supply apparatus includes a converter to convert AC power into DC power, an SMPS to convert the DC power into DC powers desired by loads, a capacitor to interconnect the converter and the SMPS, a PTC element connected to the converter, a first switch connected in parallel with the PTC element, and a second switch connected in series with the first switch. The method includes turning on the second switch to start charging of the capacitor, turning on the first switch to charge the capacitor to a target voltage level, and turning off both the first switch and second switch if a voltage across the capacitor rises over the target voltage level, to discharge the voltage across the capacitor so as to lower the voltage across the capacitor to the target voltage level or lower.06-07-2012
20080224538Grid-connected fuel cell system and load using the same - The system includes a fuel cell to generate DC electricity by reacting oxygen with fuel, an inverter to convert the DC electricity generated by the fuel cell to AC electricity, a DC output terminal to output the DC electricity, and an AC output terminal to output the AC electricity, the AC output terminal being connected to an electricity system.09-18-2008
20130175859NETWORK APPARATUS WITH COMMON POWER INTERFACE - Disclosed herein is a network apparatus with a common power interface. The network apparatus mechanically connects to a power adapter via an electrical connector, and transfers the power to other electronic device via an electrical port in addition to taking power for the apparatus. In accordance with one of the embodiments of the invention, the apparatus substantially includes a control unit for processing the inner signals and data of the apparatus, and a communication module for processing the wired or wireless communication. A common power interfacing module is particularly introduced to processing the power allocation from the power adapter. A power management unit is also incorporated to managing the power inside the network apparatus, for example taking power for the operation of the apparatus. According to one further embodiment, the network apparatus is a routing device capable of connecting with external storages.07-11-2013
20130093240CHARGE CONTROLLER AND PORTABLE DEVICE APPLYING THE SAME - A charge controller has a printed circuit board (PCB), a first transmission interface, a second transmission interface, and a recognition integrated circuit (IC). The recognition IC of the charge controller recognizes a type of a second electronic device coupled to the second transmission interface, so that a power source of a first electronic device coupled to the first transmission interface in the charge controller is charged in the second electronic device. A portable device applying the charge controller is also described.04-18-2013
20130140887CLUSTERING METHOD, OPTIMIZATION METHOD USING THE SAME, POWER SUPPLY CONTROL DEVICE - The present invention is a method for performing clustering of sizes of loads of a power supply system with history data for each predetermined period as objects to be classified, wherein the method is such that, for each of the history data, subtraction processing is performed thereupon in which the amounts of specific loads which have been identified as loads of the power supply system are deducted, whereupon clustering is performed for each of the history data for which the subtraction processing has been performed thereupon as the objects to be classified.06-06-2013
20080197702PROGRAMMABLE INFRASTRUCTURE SYSTEM - A modular power distribution system (08-21-2008
20100308651Method and System for an Integrated Leaky Wave Antenna-Based Transmitter and On-Chip Power Distribution - Methods and systems for an integrated leaky wave antenna-based transmitter and on-chip power distribution are disclosed, and may include supplying one or more bias voltages and ground for a chip including a plurality of power amplifiers (PAs) utilizing bias voltage and ground lines. One or more leaky wave antennas (LWAs) may be communicatively coupled to the power amplifiers. Wireless signals may be transmitted utilizing the LWAs integrated in the lines in the chip. Radio frequency (RF) signals may be transmitted via the plurality of LWAs. The RF signals may include 60 GHz signals and the LWAs may include microstrip and/or coplanar waveguides. A cavity length of the LWAs may be configured by a spacing between conductive lines in the microstrip and/or coplanar waveguides. The LWAs may be configured to transmit the wireless signals at a desired angle from a surface of the chip.12-09-2010
20130181517System and Method for a Variable Impedance Transmitter Path for Charging Wireless Devices - In one embodiment, a method includes wirelessly coupling a transmitter to the wireless device; determining a first power transfer value of a signal transmitted from the transmitter to the wireless device with a first transmit impedance; determining a second power transfer value of the signal transmitted from the transmitter to the wireless device with a second transmit impedance; and selecting one of the first transmit impedance and the second transmit impedance based on the first power transfer value and the second power transfer value.07-18-2013
20130187451Power Switching Assembly - A power switching assembly for switching power in a power distribution bus, and a power distribution system including such a power switching assembly, are disclosed. The power switching assembly includes a first terminal, a second terminal, a first semiconductor element and a second semiconductor element electrically coupled between the first terminal and the second terminal to provide controllability of a current flow from the first terminal to the second terminal and from the second terminal to the first terminal A controller for controlling the semiconductor elements may be configured to implement one or more of various control schemes such as a breaker, a current limiter, a load balancer, and a precharging device.07-25-2013
20120019062POWER HEAD FOR ABOVE GROUND POOLS - Disclosed herein is an electrical power head for supplying electrical power to electrical appliances for an above ground pool. The power head includes at least one electrical outlet. The power head has an electrical housing located proximate the pool. The housing has access to an electrical power source. The power source defines ordinary domestic power. The housing includes an electrical circuit having structure for connecting the power head to the domestic A/C electricity, a step-down transformer for converting domestic A/C into electricity into that usable by a connectable pool appliance and a DAC for converting a digital signal to an analog signal, decision means for determining whether the usable electricity is D/C or A/C and at least one electrical outlet for connection to an electrical pool appliance.01-26-2012
20130200701POWER DISTRIBUTION DEVICE, POWER DISTRIBUTION SYSTEM AND METHOD FOR SUPPRESSING INRUSH CURRENT - A power distribution device includes power distribution ports that are connected to electric devices, respectively, and distribute a power supply signal to the electric devices, an inrush current suppressing circuit that collectively suppresses an inrush current on an upstream side ahead of the electric devices, a controller that detects an occurrence of the inrush current and outputs a switching instruction, and a switch that switches, based on the switching instruction, a path for the power supply signal to a first power supply path that causes the power supply signal to be input to the inrush current suppressing circuit when the inrush current has occurred, and that switches, on based on the switching instruction, the path for the power supply signal to a second power supply path that causes the power supply signal to bypass the inrush current suppressing circuit when the inrush current has not occurred.08-08-2013
20120086268Power feeder and power feeding system - Disclosed herein is a power feeder including: a power transmission section adapted to transmit power to one or a plurality of electronic devices using a magnetic field; and a control section adapted to control the operation of the power transmission section, wherein the control section controls the operation of the power transmission section in such a manner as to transmit power in a condition relatively away from a maximum condition in which the transmission efficiency is maximal in an initial operation period as compared to a stable operation period that follows during power transmission.04-12-2012
20130207465APPARATUS AND METHOD FOR DIRECTLY POWER NON-MOBILE COMPUTERS BY SOLAR PV ARRAY WITHOUT DC-AC AND AC-DC CONVERSIONS - An apparatus and method for non-mobile computer's solar power input interface and corresponding multiple DC outputs from solar PV panels is disclosed. In one embodiment, the invention requires no AC-DC or DC-AC conversions between solar PV panels natural DC power outputs and the power consuming computers. In another embodiment, non-mobile digital devices and equipments such as a network router or a digital TV which need low voltage DC power, can also directly use solar PV panel DC power outputs described in this invention.08-15-2013

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