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| Number | Title | Issue Date |
| 8164216 | Modular electrical system and method for its operation A modular electrical system including a first current-emitting source module and a first current-consuming sink module which is connected to the first current-emitting source module is provided. The first sink module has a first sink identification means to identify... | 04/24/2012 |
| 8129857 | Semiconductor circuit A first signal processing circuit performs predetermined signal processing on a first signal to provide a change to a characteristic value thereof, and then outputs a second signal. A second signal processing circuit performs predetermined signal processing on the s... | 03/06/2012 |
| 8097978 | Extending backup times of uninterruptible power supplies A system for extending backup times using networks of direct current (DC) uninterruptible power supplies (UPS) is provided. A first DC UPS has a first input and a first output. A second DC UPS has a second input coupled to the first output of the first DC UPS, a sec... | 01/17/2012 |
| 7898105 | RF powered specialty lighting, motion, sound Disclosed is a system for wirelessly powering an item. A source is configured to send wireless power. A target is configured to receive the wireless power and convert the wireless power to a useable power. A component is connected to and configured to receive the us... | 03/01/2011 |
| 7898106 | DC UPS configured as intrinsic power transfer switch A direct current (DC) uninterruptible power supply (UPS) configured as an intrinsic power transfer switch is provided. The DC UPS includes first and second inputs. First and second rectifiers are coupled to the first and second inputs. A common node is coupled to th... | 03/01/2011 |
| 7863771 | Power-aware wireless transmissions A technique for operating a device at multiple different power levels dependent upon the amount of power received involves sensing the amount of power received and turning on circuit components if power is adequate. A device constructed according to the technique sh... | 01/04/2011 |
| 7851941 | Method and system for a multiple output capacitive buck/boost converter Methods and systems for a multiple output capacitive buck/boost converter are disclosed and may include charging one or more input capacitors via an input voltage. One or more output voltages may be generated on a chip by switching the charged input capacitors to ou... | 12/14/2010 |
| 7830035 | Power supply unit The power supply unit has a sample-and-hold circuit that samples a voltage supplied from a power source to a load according to a sample timing signal and holds the voltage as an output set value for the DC/DC converter. The unit supplies a load with an output from t... | 11/09/2010 |
| 7719135 | 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 c... | 05/18/2010 |
| 7696639 | Three phase rectifier circuit with virtual neutral A rectifier circuit powers three power conversion modules using a three phase AC input without a neutral connection. The rectifier circuit includes a first bridge rectifier that is connected to a first phase of the three phase AC input and that produces a first rect... | 04/13/2010 |
| 7566985 | Power supply apparatus with soft start control A power supply apparatus may include a plurality of power supply circuits, an individual soft start circuit including a first terminal for outputting a predetermined fixed voltage and a second terminal for outputting a voltage that varies with time, and an individua... | 07/28/2009 |
| 7560829 | Power system using multiple battery pack types A power system can include a first battery port to couple to a first type of battery pack having a first battery voltage range, a second battery port to couple to a second type of battery pack having a second battery voltage range that is different from the first ba... | 07/14/2009 |
| 7489051 | Adaptive power system with improved efficiency and distribution space reduction The present disclosure provides a method and system using a power protector, such as an uninterruptible power supply (power protector) or a power line conditioner. An input of the power protector can be coupled to an output of one or more of circuit breakers using e... | 02/10/2009 |
| 7443051 | System and method for providing adaptive power supply to system on a chip A system and method for adaptively providing a power supply voltage. The system includes an input/output subsystem configured to receive a first voltage, an analog subsystem configured to receive a second voltage and coupled to the input/output subsystem, a first di... | 10/28/2008 |
| 7432609 | Exhaust gas-driven generator system and method of controlling electrical system An amount of electric power generatable by an exhaust gas-driven rotating electric machine is determined corresponding to an operating point, so that an increment amount of fuel by the exhaust gas-driven electric power generation is smaller than engine-driven altern... | 10/07/2008 |
| 7417335 | Method and apparatus for integrated circuit power up A power booster circuit for use with an integrated circuit coupled to power supply circuitry. The integrated circuit includes a first circuit block that operates at a first voltage level and a second circuit block that operates at a second voltage level. The power s... | 08/26/2008 |
| 7408269 | Multi-level power supply system for a complementary metal oxide semiconductor circuit There is provided a method for managing a multi-level power supply. The method includes comparing a voltage level (Vs1) of a lower voltage supply bus to a voltage level (Vs2) of a higher voltage supply bus, and routing current from the lower voltage su... | 08/05/2008 |
| 7383137 | Method and apparatus for measuring absolute and net power consumption for computer systems A method for managing power data includes determining an amount of power used for a system running an application over a first time period from an operating system. An amount of power used for the system in a baseline state over a second time period is determined fr... | 06/03/2008 |
| 7377805 | Universal power supply apparatus The present invention relates to an universal power supply apparatus wherein the power suitable for various kinds of portable electronic devices having different shapes and voltages of power input terminals is selectively supplied, and a power supply apparatus where... | 05/27/2008 |
| 7368834 | Electronic protection devices for automatic circuit-breakers Described herein is an electronic protection device for automatic circuit-breakers comprising: a control unit; a warning interface; a supply system comprising a main supply system and a first back-up supply system; an interface for connection between said supply sys... | 05/06/2008 |
| 7362005 | Isolated dual battery system An isolated dual power source system for isolating a first power source of a vehicle, connected to an engine starter, from a second power source of the vehicle which has an electrical circuit for distributing electrical power among the consumers, includes first and ... | 04/22/2008 |
| 7362009 | Chain reaction control circuit for parallel power supply A chain reaction control circuit for parallel power supply provides greater power without changing the design of the original power supply structure. It includes a control unit to receive a first power actuation signal output from a power actuation unit, then output... | 04/22/2008 |
| 7363520 | Techniques for providing power to a set of powerable devices An improved power supply subsystem, which is automatically updatable, includes a first power supply having a first power circuit, a first controller adapted to control operation of the first power circuit, a first interface adapted to connect the first controller to... | 04/22/2008 |
| 7358625 | Power strip with 12 volt outlet An electrical power strip includes a housing, an AC power source (e.g. a male plug or power cord), an AC outlet, a converter, and a 12 VDC outlet. The AC outlet and the converter receive power from the AC power source. The converter converts the AC power (e.g. 120 V... | 04/15/2008 |
| 7352641 | Dynamic memory throttling for power and thermal limitations In one embodiment, a memory controller is coupled to a memory subsystem and controls accesses to the memory subsystem. In addition, a temperature sensor is positioned to detect a temperature associated with the memory subsystem. In this embodiment, the memory contro... | 04/01/2008 |
| 7345378 | Power supply circuit containing multiple DC—DC converters having programmable output current capabilities A power supply circuit contains a plurality of DC-DC converter control loops that provide respectively different control signals. A plurality of output driver stages of given current drive capabilities have their inputs programmably connectable via a set of switches... | 03/18/2008 |
| 7339353 | Power system for managing power from multiple power sources A power source system including a power distribution apparatus has an energy management system for managing the provision of power from multiple power sources to multiple electrical devices. The power distribution apparatus may have a combination of primary and seco... | 03/04/2008 |
| 7333860 | Dependent power supplying apparatus and electronic instrument A semiconductor power supplying apparatus driven by a power source includes at least two driven circuits for performing prescribed data processing when electric power is supplied. An electric power supplying circuit is provided so as to convert power from the power ... | 02/19/2008 |
| 7332831 | Power supply apparatus with soft start control A power supply apparatus includes a plurality of power supply circuits, switches connected to the power supply circuits, a common soft start circuit and an individual soft start circuit commonly connected to the plurality of power supply circuits via the switches. T... | 02/19/2008 |
| 7329968 | Charge-recycling voltage domains for energy-efficient low-voltage operation of digital CMOS circuits An integrated circuit with multiple supply voltage domains includes a first domain and a second domain of electrical components. The first domain receives current from a first voltage rail and discharges electrical current to a second voltage rail. A second domain o... | 02/12/2008 |
| 7319574 | Arc fault detection apparatus, method and system for an underground electrical conductor A non-invasive underground arc fault detection apparatus is for an underground electrical conductor. The apparatus includes an electric circuit having an opening for admitting the electrical conductor therethrough. The electric circuit includes one or two transducer... | 01/15/2008 |
| 7312962 | Intelligent overcurrent protection for power supplies The present invention is a method and system for preventing an output of current greater than a desired amount for a redundant power supply system. In an embodiment of the present invention, redundant power supplies may be shut down when the sum of the output curren... | 12/25/2007 |
| 7313714 | System and method for managing groups of modular power supplies for powering subcomponents of a computer system A system and method for dynamically managing a plurality of power supplies for a computer system has a plurality of first circuits, each of the first circuits responsive to an electrical condition of each of the plurality of power sources. A second circuit is couple... | 12/25/2007 |
| 7301440 | Power line communication system and method The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c... | 11/27/2007 |
| 7301313 | Multiple voltage regulators for use with a single load Multiple voltage regulators for use with a single load. The present invention allows power to be supplied to an electrical load using multiple voltage regulators based on the operating environment of the load. In one embodiment, a primary voltage regulator that is b... | 11/27/2007 |
| 7282905 | System and method for IDDQ measurement in system on a chip (SOC) design System and method for detecting transistor failure in large-scale integrated circuits by measuring IDDQ. A preferred embodiment comprises a switch structure for an integrated circuit made up of a plurality of main switches (such as main switch 410) selectivel... | 10/16/2007 |
| 7284140 | Disk array device and method of supplying power to disk array device A disk array device and a method of supplying power to a disk array device to which power is supplied by at least two AC inputs are provided. Where at least two AC/DC power-supply groups are provided in correspondence with each of the AC inputs and each AC/DC power-... | 10/16/2007 |
| 7274175 | Multiple output power supply that configures itself to multiple loads A two stage multiple output power supply device is capable of outputting programmable DC voltages onto multiple outputs. The first stage receives an AC supply voltage and outputs a DC supply voltage. The second stage includes a DC-ID controller and multiple DC-to-DC... | 09/25/2007 |
| 7269447 | Portable telephone terminal and power supply method A portable telephone terminal where power is supplied from a series power supply when the portable telephone terminal is in a wait state or a state where processors and the like are not in full operation. When the processors and the like are in a busy operating cond... | 09/11/2007 |
| 7253538 | Method of supplying electric power from shore to ship and system thereof A method and a system of supplying electric power from shore to a ship with generators 60, 61, the ship being berthed in port include: a first step of synchronizing the electric power 11 from shore with electric power from the generators 60, 61,... | 08/07/2007 |
