Class / Patent application number | Description | Number of patent applications / Date published |
307081000 | Predetermined sequence | 21 |
20080252148 | SEPARATED BATTERY AND VEHICLE VOLTAGES - A power distribution system and method of operation, for a motor vehicle. The power distribution system includes a generator is in a parallel electrical connection with a battery and a switch. The generator is also in communication with a vehicle load circuit, while the battery is in selective communication with the generator based on the state of the switch. The switch disconnects the battery from the vehicle load circuits to isolate the battery from the vehicle load circuit and the generator output voltage, and allowing the generator to run at a voltage below the nominal battery voltage. The method includes the steps of disconnecting the battery from the generator and vehicle load, lowering the generator output voltage from the generator, and providing the generator output voltage to the vehicle circuit. | 10-16-2008 |
20080296977 | SEMICONDUCTOR DEVICE - A semiconductor device includes that a first power line supplied with first power supply voltage, a second power line supplied with second power supply voltage, a third power line electrically connected to a internal circuit; a first switch configured to electrically connect or disconnect the first power line and the third power line, a second switch configured to electrically connect or disconnect the second power line and the third power line, and a control circuit controlling the second switch to electrically connect the first power line and the third power line following a predetermined period after the first power line and the third power line are electrically connected each other based on the first switch. | 12-04-2008 |
20090096292 | PULSE GENERATION CIRCUIT AND UWB COMMUNICATION DEVICE - A pulse generation circuit for outputting a pulse with a predetermined waveform to an output terminal in response to a start signal includes a circuit adapted to generate a plurality of signals {Di|i denotes an integer in a predetermined range}, which has predetermined amounts of time differences from the start signal, based on the start signal, a plurality of power supplies {Ej|j denotes an integer} adopted to supply electric energy of a predetermined electric quantity, and a switching circuit adapted to sequentially switch the power supplies {Ej} in a predetermined order in accordance with logical function values of at least a part of the signals {Di} to connect the power supplies {Ej} to the output terminal. | 04-16-2009 |
20100072823 | Device, System and Method for Directly Generating Alternating Current Electricity From Photovoltaic Cells - A device, system and method for generating alternating current (a/c) electricity directly from photovoltaic cells utilize an array of photovoltaic cell pairs that are each connected in anti-parallel to form an a/c junction. The system, device and method mechanically gradually exposes and shades photovoltaic cell pairs to sunlight to generate alternating current electricity at an a/c junction of the solar cell pairs. Gradually and alternately exposing and shading the two anti-parallel connected solar cells of each solar cell pair causes the amplitude and polarity of the electricity at the a/c junction to gradually rise and fall to produce alternating current electricity. The gradual, alternating exposure and shading of the two anti-parallel solar cells is accomplished by mechanically covering and exposing the solar cell pairs. This is efficiently accomplished by a rotating segmented disc positioned over an array of solar cell pairs. | 03-25-2010 |
20100096932 | SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR CONTROLLING MULTIPLE GENERATORS OF A POWERED SYSTEM - A system for controlling a plurality of generators of a powered system, the system includes a controller configured to provide a command to energize at least a first generator and a second generator depending on an operational condition of the powered system, a switching device configured to connect the first generator and/or the second generator to the controller, and a rectifier connected between the controller and the switching device. The switch position of the switching device determines whether the first generator and/or the second generator is energized, depending on the operational condition of the powered system. A method and a computer software code for controlling a plurality of generators of a powered system are also provided. | 04-22-2010 |
20100156191 | Generator set control system - A control system is provided for use with a plurality of generator sets. The control system may have a bus, an arbitration relay, a switching device, a control module, and first, second, and third discrete signal cables. The control module may be configured to receive a group start signal and initiate startup of a first of the plurality of generator sets, and to generate a signal on the first discrete signal cable based on an operational status of the first of the plurality of generator sets. The control module may also be configured to determine if the second discrete signal cable is active, to activate the second discrete signal cable and the arbitration relay based on the determination, and to activate the switching device to connect the first of the plurality of generator sets to the bus based on a status of the third discrete signal cable. | 06-24-2010 |
20110234007 | STANDBY POWER SUPPLY DEVICE - The present invention relates to an electronic device ( | 09-29-2011 |
20120013194 | REMAINING CAPACITY EQUALIZING DEVICE AND METHOD, AND REMAINING CAPACITY EQUALIZING DEVICE SET - A remaining capacity equalizing device is provided having an inductance connected to a reference node of a battery pack and first and second switching elements. A first closed circuit is formed through selecting sequentially a first switching switch from a first switching switch group that is connected to the high-voltage side of the reference node. A second closed circuit is formed by selecting sequentially a second switching switch from among a second switching switch group that is connected to the low-voltage side of the reference node. The first and second switching elements are turned ON/OFF alternatingly for each combination of first and second closed circuits so that, during a specific interval, the ratio of the conductive times of the first and second switching elements is the inverse of the ratio of the numbers of storage cells in the first and second closed circuits. | 01-19-2012 |
20120025621 | DEVICE, SYSTEM, AND METHOD FOR SECTIONING AND COUPLING MULTIPLE PHOTOVOLTAIC STRINGS - A photovoltaic system has a power converter connected by power rails to a plurality of photovoltaic strings, each string has serially connected photovoltaic panels and switches. The switches divide each string into sections, and the strings are distributed in electrical parallel paths over a plurality of arrays with one section per string in each array. A first set of strings to be brought online with the power converter is initialized. A drive signal is sent to switches in the initial set of strings to couple the sections in each string of the initial set so that the set of strings come online with the power converter providing voltage and current to the power converter. | 02-02-2012 |
20120032518 | METHOD AND APPARATUS FOR ENERGY HARVEST FROM AMBIENT SOURCES - An energy harvesting system includes a plurality of transducers. The transducers are configured to generate direct current (DC) voltages from a plurality of ambient energy sources. A sensor control circuit has a plurality of sensors configured to detect the DC signals from the plurality of transducers. A DC-to-DC converter is configured to supply an output voltage. A plurality of switches, each switch coupled between the DC-to-DC converter and a corresponding transducer of the plurality of transducers. The sensor control circuit enables one switch of the plurality of switches and disables the other switches of the plurality of switches based on a priority criterion. | 02-09-2012 |
20120242155 | Device, System and Method For Directly Generating Alternating Current Electricity From Photovoltaic Cells - A method utilizing a device and/or system presented herein for generating alternating current (a/c) electricity directly from photovoltaic cells utilize an array of photovoltaic cell pairs that are each connected in anti-parallel to form an a/c junction. The system, device and method mechanically gradually exposes and shades photovoltaic cell pairs to sunlight to generate alternating current electricity at an a/c junction of the solar cell pairs. Gradually and alternately exposing and shading the two anti-parallel connected solar cells of each solar cell pair causes the amplitude and polarity of the electricity at the a/c junction to gradually rise and fall to produce alternating current electricity. The gradual, alternating exposure and shading of the two anti-parallel solar cells is accomplished by mechanically covering and exposing the solar cell pairs. This is efficiently accomplished by a rotating segmented disc positioned over an array of solar cell pairs. | 09-27-2012 |
20130009485 | ELECTRIC POWER CONTROL SYSTEM AND METHOD - In a predetermined interval, electric power that is generated by power-source equipment is charged to a storage device and the amount of electric power that is accumulated in the storage device is reported from a communication device to a device that is provided to an electric power provider or a consumer. After the passage of a predetermined time interval, the amount of electric power that was previously reported to the device that is provided to the electric power provider or the consumer is discharged from the storage device and supplied to the electric power distribution system. | 01-10-2013 |
20130033114 | PORTABLE TERMINAL, BATTERY PACK AND APPARATUS FOR CONTROLLING BATTERY UNIT - Disclosed is a portable terminal, a battery pack and an apparatus for controlling a battery unit. The battery pack includes k battery units, wherein k is an integer of 2 or more; a power supply control unit that conducts control operation such that at least one of the k battery units supplies a power to a load by a time period, and other battery units except for the at least one are in an idle state in a whole or part of the time period. | 02-07-2013 |
20130076149 | POWER-ON CONTROL CIRCUIT - An exemplary power-on control circuit includes power supplies and a control chip. Each power supply includes a power good pin to output a power good signal and an enable pin to receive an enable signal. When the enable pin of one power supply receives an enable signal, the one power supply will be powered on. When one power supply is powered on successfully, the power good pin of the one power supply will output a power good signal. The control chip includes input ports and output ports. Each input port corresponding to one output port. Each input port is connected to the power good pin of one power supply to receive a power good signal from the one power supply, and its corresponding output ports is connected to the enable pin of the one power supply to output an enable signal to the one power supply. | 03-28-2013 |
20130175869 | POWER-GOOD SIGNAL GENERATOR AND CONTROLLER WITH POWER SEQUENCING FREE - A power-good signal generator generates a power-good signal according to a control signal of a controller, and comprises an impedance element, a controlled transistor and a power sequencing free circuit. An end of the impedance element is coupled to a second voltage source. The controlled transistor has first and second input/output ends and a controlled end, wherein the first input/output end is coupled to the other end of the impedance element to generate the power-good signal. An operating state of the controlled transistor is changed in response to the control signal. The power sequencing free circuit is coupled to the controlled end and one of the first input/output end and the second voltage source. When the second voltage source is supplied before the first voltage source, the power sequencing free circuit turns on the controlled transistor to clamp the power-good signal to be lower than a predetermined voltage level. | 07-11-2013 |
20140062208 | APPARATUS AND METHOD FOR POWER SWITCHING IN ELECTRONIC DEVICE - An apparatus and a method for controlling power in an electronic device are provided. The apparatus includes a switching unit configured to selectively supply a load with one of a first power, which is continuously generated, and a second power, which is discontinuously generated, during operation of the electronic device, and a control unit configured to control switching of the switching unit such that the second power is supplied to the electronic device after a delay of a predetermined time upon generation of the second power. | 03-06-2014 |
20140097694 | METHOD AND APPARATUS FOR REGULATOR CONTROL - Aspects of the disclosure provide an integrated circuit (IC) chip that includes a feedback control circuit and a detecting circuit. The feedback control circuit is configured to govern a feedback signal to a first regulator that regulates a first power supply to the IC chip based on the feedback signal. The feedback control circuit is powered at least partially by a second power supply. The detecting circuit is configured to detect a power down of the second power supply, and to cause the feedback control circuit to be disengaged from the feedback signal in response to the power down. | 04-10-2014 |
20140097695 | POWER CONTROL APPARATUS AND POWER CONTROL METHOD - A power control device is provided at a customer site having a distributed power supply capable of supplying power and load devices and controls a stand-alone operation in which the power supplied from the distributed power supply is converted to AC power and supplied to the load devices. The power control device comprises: a determination processing unit for determining whether or not a power supply supplied from the distributed power supply during the stand-alone operation satisfies a power demand necessary for operating the load devices; and a supply control unit for, when it is determined that the power supply does not satisfy the power demand, intermitting the stand-alone operation. After intermitting the stand-alone operation, the determination processing unit re-executes the stand-alone operation and determines whether the power supply satisfies the power demand or not. When it is consecutively determined predetermined times that the power supply does not satisfy the power demand or when a predetermined period of time has elapsed without determining that the power supply satisfies the power demand after determining that the power supply does not satisfy the power demand, the determination processing unit stops the re-execution. | 04-10-2014 |
20140145510 | POWER SUPPLY DEVICE OF A DISCHARGE CIRCUIT SEQUENCE - The power supply device ( | 05-29-2014 |
20140167515 | ENERGY STORAGE DEVICE, SYSTEM WITH ENERGY STORAGE DEVICE AND METHOD FOR GENERATING A SUPPLY VOLTAGE OF AN ENEGRY STORAGE DEVICE - The invention relates to an energy storage device ( | 06-19-2014 |
20140327315 | POWER SUPPLY APPARATUS, POWER SUPPLY SYSTEM, AND METHOD FOR CONTROLLING POWER SUPPLY SYSTEM - A power supply system ( | 11-06-2014 |