|Electrical transmission or interconnection systems patents - Monitor Patents|
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Electrical transmission or interconnection systems May archived by USPTO category 05/11Below 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. 05/26/2011 > 21 patent applications in 14 patent subcategories. archived by USPTO category
20110121645 - Battery management systems and methods: A battery management system includes a switch array, a first controller and a second controller. The switch array selects a battery module from multiple battery modules in a battery pack based upon a conduction state of the switch array. The first controller is coupled to the switch array and receives... Agent:
20110121646 - Inverter system: A vehicle system for use in powering an AC load. The system may include an inverter system operating in cooperation with a power distribution system. The power distribution system may be configured to provide a stabilized power output to the inverter system. The inverter system be configured to inverter the... Agent: Lear Corporation
20110121647 - Solar power distribution system: The present invention is directed toward a solar power system including an array of photovoltaic panels. The photovoltaic array may include a first module electrically coupled to an AC load and a second module electrically coupled to a DC load. The array may be reconfigured such that individual panels may... Agent: Renewable Energy Solution Systems, Inc.
20110121648 - Power supply system including alternative sources: A power supply system for a residential or a commercial unit is disclosed. The system comprises an AC power source from a power grid, a DC power source from one or a plurality of remote alternative power sources and another DC power source from one or a plurality of local... Agent:
20110121651 - Assembly of actuators and of a system for supplying electrical power from a network: An assembly having actuators and an electricity power supply system. The assembly includes an input unit connecting the actuators to a three-phase AC electricity network and to a control system. The input unit includes a transformation member arranged to transform the AC into DC at high voltage and connected to... Agent:
20110121650 - Circuit configuration and method for providing a voltage supply for a driver circuit: A circuit configuration for providing a voltage supply for a driver circuit driven by a controller, contains a controller for driving a driver circuit, and an intermediate circuit for providing a DC voltage. The intermediate circuit is connectable to a voltage source. A first voltage regulating circuit is provided for... Agent: Diehl Ako Stiftung & Co. Kg
20110121649 - Energy savings based on power factor correction: Methods and apparatus for enhanced control over electronic device manufacturing systems are provided herein. In some embodiments, an integrated sub-fab system in accordance with the present invention may be provided with fixed or real time power factor management, correction, reporting, and tabulation. Such a system could also be used by... Agent: Applied Materials, Inc.
20110121652 - Pairing of components in a direct current distributed power generation system: A method of signaling between a photovoltaic module and an inverter module. The inverter module is connected to the photovoltaic module. In an initial mode of operation an initial code is modulated thereby producing an initial signal. The initial signal is transmitted from the inverter module to the photovoltaic module.... Agent:
20110121653 - Parallel powering of portable electrical devices: A system may include an electronic device configured to consume a supply current; an AC to DC adapter configured to be coupled to the electronic device, wherein the AC to DC adapter has a maximum rated output current; a battery configured to be coupled to the electronic device; DC to... Agent: O2micro International Limited
20110121654 - Remote switch sensing in lighting devices: In embodiments of the present invention improved capabilities are described for providing intelligent power control in response to an external power interruption, causing a processor is in an electrical fixture to interrogate an external power control switch to gain an understanding of the switch's state, where prior to the external... Agent:
20110121655 - Inverter with uninterruptible power supply for water pump: An inverter with uninterruptible power supply for a water pump includes a plurality of DC cells connected in series to form a cell unit providing a DC power source approximately equal to a working voltage. A frequency conversion/voltage stabilizing circuit has an input side electrically connected to the DC power... Agent:
20110121657 - Power supply circuit: A power supply circuit for a graphic card on a motherboard includes first to fourth electrical switches. The first electrical switch is connected to the motherboard to receive a power good signal from the motherboard. The second electrical switch is connected between the first electrical switch and each of the... Agent: Hon Hai Precision Industry Co., Ltd.
20110121656 - Systems and methods for delivering power in response to a connection event: Systems and methods are provided for delivering power from a first energy source to a second energy source. An electrical system for delivering power from a first energy source to a second energy source comprises an interface configured to be coupled to the second energy source, a switching element coupled... Agent: Freescale Semiconductor, Inc.
20110121660 - Appliance mounted power outlets: An electrical appliance comprising a connection to a power source and a principle electrical load, wherein the appliance additionally comprises at least one inductive power outlet, the inductive power outlet comprising: at least one driver, connectable to the power source, the driver for providing an oscillating voltage supply; and at... Agent: Powermat Ltd.
20110121659 - Method and apparatus for high efficiency ac/dc conversion of low voltage input: Embodiments of the subject invention relate to a method and apparatus for providing a low-power AC/DC converter designed to operate with very low input voltage amplitudes. Specific embodiments can operate with input voltages less than or equal to 1 V, less than or equal to 200 mV, and as low... Agent: University Of Florida Research Foundation, Inc.
20110121658 - Wireless energy transfer device: A wireless energy transfer device (1) includes: a power transmission unit (2) that generates an oscillating magnetic field or oscillating electric field; a power reception unit (3), which is provided with a receiving antenna (31), and which converts the oscillating magnetic field or the oscillating electric field of the power... Agent: Toyota Jidosha Kabushiki Kaisha
20110121661 - Power conversion device: In a power conversion device which performs DC/DC conversion, an inverter circuit (20), which is formed of one or more single-phase inverters (20a) and (20b) connected in series to each other, is connected in series to a DC power supply (1) in its subsequent stage. In further subsequent stage, a... Agent: Mitsubishi Electric Corporation
20110121662 - Power supply and power supplying system with remote power management function: The power supply includes a first power connector, a power conversion circuit, a control unit and a detection circuit. The first power connector includes a plurality of power terminals and a first detecting terminal. The power conversion circuit is coupled to the power terminals of the first power connector for... Agent: Delta Electronics, Inc.
20110121663 - Power supply interrupter (cellular device): This device, either applied as an aftermarket part to any cellular charging device or as an internal part of a newly designed “factory offered” cellular charging device, when unplugged from the battery operated cellular device, will automatically stop pulling power from the main power source to include but not limited... Agent:
20110121664 - Fault tolerant service switch operation in a utility meter: An arrangement for controllably disconnecting a utility power service from a load includes a meter housing, a service switch, an electrically-powered source of motive force, and energy storage device, and a charging circuit. The meter housing includes metrology circuitry configured to generate metering information regarding electrical power provided to the... Agent: Landis+gyr, Inc.
20110121665 - Power supply apparatus: To solve or mitigate the problem of lacking the “last mile” connection to a power grid, the invention provides a power supply apparatus for supplying electric energy to a plurality of devices. The apparatus comprises a power dock (130) configured to electrically couple to a power pack (110), wherein the... Agent: Koninklijke Philips Electronics N.v.05/19/2011 > 24 patent applications in 18 patent subcategories. archived by USPTO category
20110115286 - Inflight entertainment system power provisioning: An inflight entertainment (IFE) system receives power from a multiple of power supply units that each supply power to passenger seats in a multiple of multi-seat groups, wherein different power supply units supply power to adjacent passenger seats in each multi-seat group. The IFE system exhibits reduced power supply unit... Agent:
20110115285 - Systems and methods for commutating inductor current using a matrix converter: Systems and methods are provided for delivering current using a matrix converter in a vehicle. An electrical system comprises an AC interface, a first conversion module coupled to the AC interface, an inductive element coupled between the AC interface and the first conversion module, and a control module coupled to... Agent: Gm Global Technology Operations, Inc.
20110115287 - Vehicular power supply circuit: A vehicular power supply circuit for supplying power to loads from a battery to drive the loads includes a power line and noise protection circuits. The power line is connected to the loads and systematically separated into multiple power lines based on characteristics of the loads to be connected. Each... Agent: Toyota Jidosha Kabushiki Kaisha
20110115290 - Electric vehicle control apparatus: An electric vehicle control apparatus includes: a main power source (1) to (3) that supplies DC power; a power conversion device (8) that converts the DC power from the main power source to AC power, which it then supplies to a vehicle drive motor (9); an electric storage device (7)... Agent: Kabushiki Kaisha Toshiba
20110115288 - Mild hybrid system and method for controlling the same: A mild hybrid system according embodiments of the invention may include: a motor-alternator; an inverter for controlling electrical energy flow to and from the motor-alternator; an electrical energy storage for storing electrical energy generated by the motor-alternator; and a unidirectional DC/DC buck converter including a bypass means for providing a... Agent: Hyundai Motor Company
20110115289 - Motor control device, electric power steering system, and vehicle steering system: In a motor control device that is used for, for example, an electric power steering system or another vehicle steering system equipped with a motor, a relay circuit (40) that serves as a power supply breaker is provided in a power feed line (Lp2) of a pre-driver (22) of a... Agent: Jtekt Corporation
20110115291 - Redundant power system switch for backup power switching without power interruption: A redundant power system includes a redundant power source, a first switch, a second switch, and a control circuit. The first switch connects between the redundant power source and a low priority remote system, where the first switch has a characteristic of turning off faster than the first switch turns... Agent: Juniper Networks Inc.
20110115292 - Power operation system, power operation method and photovoltaic power generator: Each of a plurality of photovoltaic power generators includes a solar cell, a storage battery, a communication interface for communication, and a battery control unit for controlling storage of electric power and output of electric power to an electric power system. The battery control unit of the first photovoltaic power... Agent:
20110115293 - Method for replacing a load control device of a load control system: The invention regards a system and method for using a handheld programming device to configure a lighting control system wirelessly. In one embodiment, at least one device configured with a processing section is installed in the lighting control system. A communications receiver that is operable to receive a signal from... Agent: Lutron Electronics Co., Inc.
20110115294 - Dual voltage-source inverter system and method: Systems and methods are disclosed for a dual voltage-source inverter system. The systems and methods selectively couple a first voltage source and a second voltage source to an inverter via a controllable switch.... Agent: Gm Global Technology Operations, Inc.
20110115295 - Energy management system and grid-connected energy storage system including the energy management system: An energy management system includes: a first interface configured to receive a first power from a power generation system; a second interface configured to couple to the power generation system, a power grid, and a storage device, and to receive at least one of the first power from the power... Agent:
20110115296 - Standy power reduction: A standby power system for an appliance having a power input coupled to a main power source includes a power enabling device coupled between the main power source and power input of the appliance, a standby power state sensing device coupled to the power enabling device, and a power restore... Agent:
20110115298 - Electric power supply system: In an electric power supply system, a plurality of batteries (405, 406) are connected in series by a switch group (402 to 404, 407 to 409), and a higher voltage and a lower voltage are output through a terminal and a VOL terminal, respectively, and are respectively converted in the... Agent:
20110115299 - High voltage array converter: A direct current to pulse amplitude modulated (“PAM”) current converter, denominated a “PAMCC”, is connected to an individual source of direct current. The PAMCC receives direct current and provides pulse amplitude modulated current at its output. An array of PAMCCs constructed in accordance with the present invention form a distributed... Agent: Array Converter Inc.
20110115300 - Converting device with multiple input terminals and two output terminals and photovoltaic system employing the same: A converting device with multiple input terminals and two output terminals is disclosed for converting Direct Current (DC) power from a power source to Alternating Current (AC) power. The converting device includes N pairs of input electrodes (N is an integer and N≧2), configured to receive the DC power from... Agent: Du Pont Apollo Ltd.
20110115301 - Method and area electric power system detecting islanding by employing controlled reactive power injection by a number of inverters: An area electric power system includes a number of direct current power sources, and a number of inverters operatively associated with the number of direct current power sources. Each of the number of inverters is structured to provide real power and controlled reactive power injection to detect islanding. An output... Agent:
20110115302 - System and method for synchronizing an auxiliary electrical generator to an electrical system: There is provided herein methods and apparatus for apparatus for controlling the interconnection of an auxiliary AC generator with an electrical system, such as an electrical distribution system, e.g., a utility grid. A measuring circuit measures the frequency of an auxiliary AC generator and the phase angle between one voltage... Agent: Electro Industries/gauge Tech.
20110115303 - Multiple use wireless power systems: A wireless power system having at least one of a remote device with multiple wireless power inputs capable of receiving power from a different wireless power source, a remote device including a hybrid secondary that can be selectively configured for multiple uses, a remote device including a hybrid secondary, a... Agent: Access Business Group International LLC
20110115304 - Power supply structure of printer: A power supply structure of printer has a power supply circuit outputting regular power for printing, and an auxiliary charging circuit having a plurality of farad grade super capacitors collaborated with a voltage-stabilized charging loop to supply power with high transient power and to maintain normal operation of the printer.... Agent: Godex International Co., Ltd.
20110115305 - Electrical power-saving control apparatus, power supply including that apparatus and power-saving method thereof: A power-saving control apparatus for reducing power consumption of a power supply is provided. The present invention includes a switching circuit and a rectifier circuit. The rectifier circuit rectifies an AC signal to a DC signal. The switching circuit controls either the AC signal or the DC signal as an... Agent:
20110115306 - Domestic appliance, especially a dishwasher or washer: A domestic appliance having a control device to control device components of the domestic appliance during execution of a program, wherein the device components have electrical loads. The domestic appliance also has a switch to at least partly de-energize the control device after the program has finished executing.... Agent: Bsh Bosch Und Siemens HausgerÄ Te Gmbh
20110115308 - Feeder automation system and method for operating the same: A feeder automation system and a method for operating the feeder automation system are disclosed. The feeder automation system comprises a first domain comprising a first slave station; a second domain comprising a second slave station; and a tie-switch provided between the first domain and the second domain. The first... Agent:
20110115307 - Information device: A compact information device in which a shortened unlatch time is enabled so such device can transition from a power cutoff mode to a power supply mode to resume supplying power to internal circuits as a result of a latch circuit unlatching a control signal. Embodiments of such a device,... Agent: Seiko Epson Corporation05/12/2011 > 18 patent applications in 11 patent subcategories. archived by USPTO category
20110109156 - Apparatus for shutting off power supply for vehicle: An apparatus for shutting off a power supply for construction equipment or a vehicle driven by an engine, including a power supply, functional electrical devices connected to the power supply, a key switch managing the power supply, and a main relay applying or shutting off the power supply to the... Agent: Volvo Construction Equipment Holding Sweden Ab
20110109157 - Controller for engine: A waste heat controller controls waste heat quantity of an engine according to a required heat quantity along with a heat-utilize requirement. When the heat-utilize requirement is generated, a fuel-increase-rate indicating a fuel increase quantity is computed. A reference fuel-increase-rate is established to be compared with the fuel-increase-rate. Based on... Agent: Denso Corporation
20110109155 - Method and apparatus for avoiding electrical resonance in a vehicle having a shared high-voltage bus: A method for avoiding electrical resonance in a vehicle having a high-voltage (HV) direct current (DC) bus shared by a first and a second power electronic converter device, such as an air conditioning compressor module (ACCM) and a traction power inverter (TPIM), includes determining an impedance characteristic of the bus,... Agent: Gm Global Technolgy Operations, Inc.
20110109158 - Extraction, storage and distribution of kinetic energy: An energy conversion system (ECS) is described for energy conversion and distribution including the conversion of vehicle-stored energy into electrical energy and the distribution of the electrical energy locally at the home or via a utility grid level. The ECS includes a system coupled or connected to a vehicle powertrain... Agent:
20110109159 - Active low-pass current filter: An active low-pass current filter apparatus and method reduces conducted emissions above a predefined cutoff frequency at high power levels. The apparatus and method use a bidirectional DC-DC converter to minimize current fluctuations on a power lead that may result in conducted emissions above the predefined cutoff frequency. The bidirectional... Agent: Texas Memory Systems, Inc.
20110109160 - Voltage monitoring circuit for redundant power systems: A redundant power system determines a rate of decline of a voltage supplied by a remote power source. The redundant power system further supplies power from a redundant power source to the remote power source based on the determined rate of decline of the voltage supplied by the remote power... Agent: Juniper Networks Inc.
20110109163 - 77-78-93 patriot systems: A backup energy supply system including: a self-charging system with a wiring assembly; a plurality of batteries for providing electrical storage and converting chemical energy directly to electrical energy; a plurality of inverters for converting direct current to alternating current; at least one electrical outlet; at least one on/off switch... Agent:
20110109164 - Intuitive electronic circuit: An apparatus according to various embodiments may detect the state of an external switch (14). An apparatus (1000) according to various embodiments may activate or deactivate an appliance based on the state of the external switch (14). An apparatus according to various embodiments may activate or deactivate an appliance based... Agent: Tycka Design Private Limited
20110109161 - Uninterruptible power supply: An uninterruptible power supply with an input terminal and an output terminal, a main switch connected to the input terminal, an input filter circuit connected to the main switch, a rectifier circuit connected to the input filter circuit, a main capacitor connected to the rectifier circuit, a switching device connected... Agent: Toshiba International Corporation
20110109165 - Apparatus and method for managing a power source: An electrical power management apparatus and method in which a public power grid, a renewable energy source, an energy storage element and a domestic power supply network are interconnected through a controllable switch which connects the various components together in combinations which are advantageous to sensed power load and consumption... Agent: International Business Machines Corporation
20110109166 - Electric power supply system: In an electric power supply system, a plurality of batteries (405, 406) are connected in series by a switch group (402 to 404, 407 to 409), and a higher voltage and a lower voltage are output through a terminal and a VOL terminal, respectively, and are respectively converted in the... Agent:
20110109169 - Antenna unit for reading rfid tag: An antenna unit includes a plurality of loop antennas; an impedance matching circuit common to the loop antennas; a switching circuit that switches high frequency connection between the impedance matching circuit and the loop antenna; and an antenna control circuit that controls to connect only one loop antenna among the... Agent: Sanden Corporation
20110109167 - Load impedance decision device, wireless power transmission device, and wireless power transmission method: A load impedance decision device, a wireless power transmission device, and a wireless power transmission method are provided. At least one of a distance and an angle between two resonators may be measured. A load impedance may be determined based on at least one of the measured distance and the... Agent: Samsung Electronics Co., Ltd.
20110109168 - Relay controller: Provided is a relay controller which can shorten the time from turning off a switching element until turning off a relay compared with what is conventionally possible. The relay controller comprises a relay switch in which a contact point connects a power supply to a load, and a coil is... Agent: Yazaki Corporation
20110109170 - Hand-held electronic device and method for preventing fall of the same: The hand-held electronic device includes a central processing unit, a memory unit, a state-detecting unit, a state-determining unit, a main power supply unit, a standby power supply unit, and a power supply switching unit. After determining the presence of a fall state, the state-determining unit will output a fall prevention... Agent: Askey Computer Corp.
20110109171 - Wattmeter circuit for operating a grinder pump assembly to inhibit operating under run dry or blocked conditions: A method for operating a grinder pump station and inhibiting the likelihood of operation of a grinder pump assembly under at least one of a run dry condition and a blocked condition includes providing a wattmeter circuit operably connected to the grinder pump assembly and measuring real power using the... Agent: Environment One Corporation
20110109172 - Timing-device equipped energy-saving socket: A timing-device equipped energy-saving socket includes an enclosure, in which the enclosure is deposed a power plug on one side, and deposed a variety of power sockets on the sides without deposing the power plug. The enclosure is deposed a control device inside. When the power plug receives the AC... Agent:05/05/2011 > 23 patent applications in 16 patent subcategories. archived by USPTO category
20110101773 - Power distribution apparatus: A power distribution apparatus 30 comprises an outboard distribution unit 36, an inboard distribution unit 32, a feeder cable 34 electrically interconnecting the inboard and outboard distribution units 32, 36, a generator line 40 whereby a generator output can be supplied, in use, to the outboard distribution unit 36, and... Agent:
20110101774 - Emergency energy supply device for a hybrid vehicle: An emergency energy supply device for providing an emergency energy supply for a hybrid vehicle includes a high-voltage battery for driving an electric drive and a low-voltage battery. The emergency energy supply device includes an energy store, which is electrically connectible to the high-voltage battery and/or to the low-voltage battery... Agent:
20110101775 - Circuit arrangement with a power input and an operating method for controlling a power input circuit: A circuit arrangement with a power input and at least one power supply unit that generates a DC voltage for operating an electronic device including a power input circuit inserted between the power input and the at least one power supply unit that selectively disconnects or rectifies an AC voltage... Agent: Fujitsu Technology Solutions Intellectual Property Gmbh
20110101776 - Lamp circuit: A lamp circuit is disclosed, comprising a direct current (DC) power supplier adapted to provide a supply voltage, a driving unit coupled to the DC power supplier so as to receive the supply voltage, and a light-radiating module coupled to the driving unit and having a DC output side. The... Agent:
20110101777 - Systems and methods for optimizing power loads in a power distribution unit: A method of optimizing power loads of a power strip is disclosed. The power strip is of the type having single or three phase power input, a plurality of circuit breakers, and a plurality of outlets. The arrangement is such that at least one circuit breaker is associated with at... Agent: American Power Conversion Corporation
20110101778 - Battery charging coaction and output system with current limit supply: The present invention relates to a power system utilizing an engine generator or public power with AC source, wherein the power system particularly has the characteristics that the maximum output current thereof is limited by electromagnetic effects, and/or constant current or nearly constant current output thereof is set to be... Agent:
20110101779 - Utilization system and associated method: A system includes an energy storage system capable of receiving electrical energy from an energy source and can supply electrical energy to a first load during a first period and to the first load during a second period. The first load differs in usage rate from the first period relative... Agent:
20110101781 - Battery backup system, method of use, and method of manufacturing: Some embodiments include an electrical system. In many embodiments, the electrical system can comprise a system input configured to receive a first power signal from an external power source. In the same or different embodiments, the first power signal can comprise a first voltage. In the same or different embodiments,... Agent: Belkin International, Inc.
20110101782 - Deployable power supply system: A deployable power supply system is provided. A primary casing and a moveable panel includes a first side section, a second side section, a front side, and a rear side, the moveable panel having a top panel forming a top portion of said housing. The first side section of at... Agent: Zero Base Energy, LLC
20110101780 - John-son power surge restorer battery powered electrical power supply: The present invention provides a portable rechargeable battery powered backup system for electrical devices, comprising a portable, multi-outlet power source designed to provide electrical current further comprising a four-wheeled pushcart having two shelves or compartments for supporting two rechargeable Lithium-Ion batteries... Agent:
20110101783 - Electrical power distribution system and method thereof: An electrical power distribution system and method are provided, wherein the system includes a primary generator and a secondary harvester. The primary generator includes a primary coil configured to emit an electromagnetic field when an electrical power is supplied to the primary coil, and a first communication device configured to... Agent: Eveready Battery Company, Inc.
20110101784 - Hybrid wind-solar inverters: Certain embodiments of the invention may include systems and methods for providing a hybrid wind-solar inverter. According to an exemplary embodiment of the invention, a method for directing power from alternative power sources to an electrical grid is provided. The method can include: receiving at least two input DC power... Agent: General Electric Company
20110101785 - Method and apparatus for maintaining uninterruptible power supplies: A system and method of isolating an uninterruptible power supply system is disclosed that comprises bypassing an inverter section of the power supply to couple primary power to a load bus; and, thereafter, isolating the power supply by simultaneously uncoupling the power supply from the load bus and coupling the... Agent: Liebert Corporation
20110101786 - Method and apparatus for anti-islanding of distributed power generation systems: A method and apparatus for identifying an islanding condition. In one embodiment, the method comprises altering a phase error response within a phase locked loop (PLL), and determining whether the islanding condition exists based on the altered phase error response.... Agent: Enphase Energy, Inc.
20110101787 - Series/parallel power supply switching: A device which can dynamically configure an array of power supply cells such as photovoltaic (PV) solar cells to provide power to a load device based on the power requirements of the load device. By selectively configuring the array of power supply cells according to one of a number of... Agent:
20110101789 - Rf power harvesting circuit: Provided is an RF power harvesting circuit with improved sensitivity to RF energy. The RF power harvesting device includes an inductor, a first capacitor connected to the inductor, a first MOSFET connected to a first node, and a second MOSFET connected to the first node. The inductor or the first... Agent:
20110101790 - Selectable resonant frequency transcutaneous energy transfer system: An inductive power transfer system includes a number of controllable reactive components (3, 6, 12, 13, 16) that allow the resonant frequency of a primary and/or secondary resonant circuit to be controllably varied to thereby control power available to a load (10).... Agent: Telemetry Research Limited
20110101792 - Traveling vehicle system: A contactless power feed type traveling vehicle system prevents and minimizes leakage of the magnetic field from a power feed cable and includes an AC power source, a power feed cable, a power reception pickup, and a magnetic field reducing section. The power feed cable is connected to the AC... Agent: Murata Machinery, Ltd.
20110101788 - Wireless energy transfer system: A wireless energy transfer system includes a first energy transfer unit having at least one resonant frequency, a second energy transfer unit having the at least one resonant frequency, and a load. The first wireless energy transfer unit includes a first coil magnetically coupled to a first wireless energy transfer... Agent: University Of Pittsburgh - Of The Commonwealth System Of Higher Education
20110101791 - Wireless power feeder, wireless power transmission system, and table and table lamp using the same: Power is fed from a feeding coil L2 to a receiving coil L3 by magnetic resonance. A VCO alternately turns ON/OFF switching transistors Q1 and Q2 at a drive frequency fo, whereby AC current is fed to the feeding coil L2, and then the AC current is fed from the... Agent: Tdk Corporation
20110101793 - Voice control energy-saving power socket: The present invention provides a voice control energy-saving power socket that uses voice control to power up and achieve time, labor and energy saving. When an electrical equipment is turned off, the present invention can automatically detect current change and completely isolate the input power source and the electrical equipment... Agent:
20110101794 - Portable power supply device: A portable power supply device comprises a stackable battery housing locating a plurality of batteries therein and an inverter housing locating an inverter therein which is arranged to convert the direct current from the batteries to an alternating current. The inverter housing is readily separable from the battery housing such... Agent:
20110101795 - Apparatus and method for restricting power delivery: An apparatus and method for restricting operation of a power delivery system are disclosed. In at least some embodiments, the apparatus includes a first input terminal at which is received a first command signal, and a second input terminal at which is received an additional signal. The apparatus further includes... Agent: Rockwell Automation Technologies, Inc.Previous industry: Wheel substitutes for land vehicles
Next industry: Electrical generator or motor structure
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