Matches 1 - 50 out of 152 1 2 3 4 >
Match Document Document Title
7626365 Charging system and method  
The invention concerns a method ( 200 ) and system ( 100 ) for charging a battery ( 110 ). The method includes the steps of receiving ( 212 ) an input power supply signal ( 300 ), monitoring ( 216...
7622912 Method for enabling monitoring of power consumption  
Power consumption at a site is monitored. An electrical load is connected to a power source by an electrical conductor. A fuel-less energy producing device is electrically connected to a junction...
7605492 Power supply system and method for supplying power to a vehicle  
A power supply system is provided that can operate with energy storage units of varying voltages and temperatures, that can correct voltage and temperature deviations, and that can continue to...
7592715 Multiple sources of operating power to a load  
A system comprises a first power supply, a second power supply, and a load coupled to the first and second power supplies via separate power connectors. The load receives separate operating power...
7576449 Method for converting direct voltage into three-phase alternating voltage  
A method of converting a direct voltage generated by a decentralized power supply system into three-phase alternating voltage by means of a plurality of single-phase inverters (WR 1 -WR 3 ), said...
7566988 Method and apparatus for monitoring UPS power sources  
An uninterruptible power supply (UPS) system includes a first UPS module that has a first power source, a second power source and a controller operable to selectively connect the first or second...
7564673 Control circuit for converters  
A converter circuit, in particular having a class E converter, comprising a drive circuit for a switching transistor MOS1 having two series-connected components which operate as a function of the...
7564147 Electrical power distribution system and method with active load control  
An electrical power distribution system and a method of implementation are provided. The electrical power distribution system includes: a first AC power source; a second AC power source; a first DC...
7541776 Method and system for operating a portable electronic device in a power-limited manner  
Improved techniques to manage operation of a portable electronic device having a substantially depleted battery when power is available from an external, power-limited source are disclosed. In one...
7541692 Peripheral device having a power supply  
Peripheral devices that have their own power sources. In one embodiment, a peripheral device comprises a processing device, memory, and a power circuit configured to supply power to a peripheral...
7508093 Modular current supply  
A current supply system includes one or more, or a plurality of current supply modules that each includes an input terminal and an output terminal and that each has a maximum output power. Multiple...
7498689 Power supply device for vehicle  
A power supply device for vehicles is disclosed, which device includes a backup unit to the power supply as an auxiliary power supply employing a capacitor unit formed of plural capacitors. The...
7482709 System for powering and controlling electrical equipment of an aircraft engine or its environment  
A system for powering and controlling electrical equipment of an aircraft engine or of its environment, includes at least one DC voltage power supply bus, a set of power supply modules associated...
7474016 System and method for responding to abrupt load changes on a power system  
A system and method for responding to abrupt load changes on a power system transfers an initial amount of power from an external power source to the AC power system through a secondary converter...
7454012 Managing power in a line powered network element  
A system for managing power from a power source for at least one line powered network element in an access network is provided. The system includes a power manager that establishes at least one...
7443053 Control circuit and method of electric output modes  
A control circuit and control method of electric output modes for a stacked power supply system which has a circuit board to integrate a plurality of power supply devices to output electricity. The...
7443052 DC/DC converter and decentralized power generation system comprising a DC/DC converter  
The invention relates to a DC/DC converter for use in a decentralized power generation system. If a DC/DC converter is physically separated from a power receiving component and connected to such a...
7405495 Multicellular DC/DC voltage converter with protection switches  
A DC/DC voltage converter between a high-voltage electrical network and a low-voltage electrical network comprises a plurality of cells connected in parallel. Each cell comprises a chopper DC/DC...
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...
7340051 Power ramp-up in a line-powered network element system  
A method of ramping up a power supply that supplies power on a communication medium. The method includes supplying power on the communication medium with the power supply operating at a first set...
7301247 Power supply device incorporated in vehicle driven by internal combustion engine  
A power supply device incorporated in a vehicle driven by an internal combustion engine including: a first power supply system for driving a vehicle load that converts an output of a generation...
7276815 Power management system  
A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the...
7259473 Method of controlling parallel diverse conversion paths in DC-to-DC power converter  
A DC-DC converter has a plurality of diverse type DC-DC converter channels whose outputs are combined to provide a composite DC power output to a load. One of the channels is a high efficiency...
7239045 Power distribution system and control system for same  
A control system for a power distribution system includes electrical operators each of which has an open input, a close input and an operator member adapted to cooperate with a corresponding...
RE39710 System for providing assured power to a critical load  
A power system ( 8 ) is provided for economically supplying uninterrupted electrical power to one or more critical loads ( 14 ). One or more fuel cell power plants ( 18 ) provide one substantially...
7230351 Circuit arrangement for stabilizing a supply voltage and method for operating said circuit arrangement  
A voltage source is formed by a series connection of a first energy accumulator (accumulator B 1 ) and a second energy accumulator (capacitor C 1 ). The voltage (UC 1 ) of the second energy...
7227278 Multiple bi-directional input/output power control system  
A multiple bi-directional input/output power control system includes a network of functional blocks housed in a single enclosure, providing DC power to one or more DC loads, and providing control...
7224084 Interface circuit  
When an AC adaptor is removed and a power supply to a power node NP of a ROM writing apparatus is stopped, an analog switch which is controlled by a voltage at the power node NP is turned off....
7170196 Power feed  
An electrical power feed for a submarine system and a method of supplying electrical power to the submarine system in which a plurality of power converters are used for feeding electrical power...
7170194 Configurable multiple power source system  
A system for supplying additional power to a module having an internal power supply, the system comprising: a module having an associated power supply, the power supply not being designed to...
7151326 System and method for safely and efficiently capturing power currently produced by already available power supplies to power electrical devices in a truck while its engine is turned off  
The present invention is directed to an electrical system and method for providing power to a truck's cab while the truck's engine is turned off. An already available primary power supply of the...
7145265 AC/DC hybrid power system  
A hybrid power system has two voltage sources, a variable DC power source, and a second power source, connected through selection components to a common node. The variable DC power source may be a...
7141892 Power supply method of a line interactive UPS and the line interactive UPS  
A power supply method and apparatus of a line interactive UPS utilizes a bi-directional AC/AC power converter in association with the AC delta control concept. When the line voltage coupled to the...
7113375 Circuit configuration for monitoring and/or regulating supply voltages  
A circuit configuration for monitoring and/or for regulating supply voltages. The circuit enables at least two supply voltages (U 12 ) or (U 22 ) that are produced by means of two feed-ins (Q 1 , Q...
7112897 Capacitor and switch components cooperation to maintain input voltage to target circuit at or above cut-off voltage until power circuit is able to maintain the input voltage  
An apparatus in one example comprises a first capacitor component, a second capacitor component, and a switch component. The first capacitor component, the second capacitor component, and the...
7096727 System and method for generating electric power from a rotating tire's mechanical energy  
A tire assembly with integrated power generation features includes one or more piezoelectric devices and power conditioning modules. Piezoelectric devices may include a plurality of piezoelectric...
7068515 Multi-chip module with stacked redundant power  
Embodiments include apparatus, methods, and systems having a multi-chip module with stacked redundant power. An exemplary apparatus has a module having plural processors. A first power system is...
7064955 Redundant power for processor circuit board  
One embodiment includes an electronic assembly having a first printed circuit board (PCB) and a second PCB. The second PCB has at least one processor coupled to and disposed above the first PCB. A...
7064458 Method and system for transferring a load between AC voltage sources  
A method and system for transferring a load from a first AC voltage source to a second AC voltage source. A temporary voltage source is connected to the load and to the first voltage source via a...
7023109 Uninterruptible power source apparatus  
An uninterruptible power supply unit essentially includes: a DC power supply source 3 , a parallel converter 4 , and a series converter 6 that are individually connected in parallel to both...
7003612 PC switching device selectively switching between an input device and a plurality of computers having different electric power control mechanisms  
This invention is to provide a PC switching device which can be applied to various kinds of PC's, some of which have an electric power control method different from the others. When a plurality of...
7000122 Managing system and synchronization method for a plurality of VRM-type modules  
A managing system manages a plurality of VRMs associated with a plurality of microprocessors and connected in parallel together between first and second voltage references, the VRMs having output...
6956304 Integrated circuit and method for controlling a power supply thereof  
Integrated circuit, which is supplied externally by a supply voltage, having at least one useful circuit and a power supply for the at least one useful circuit which comprises a plurality of power...
6853098 Communications interface and floating devices including such an interface  
A communication device is provided which transmits and responds to differential currents. Thereby allowing communication between devices that may be floating with respect to each other.
6803677 System for providing multiple power conversion operations  
A system may be provided to perform multiple power conversion operations. The system may include a transformer interconnected between a high voltage DC bus and a low voltage DC bus, and an AC load...
6781336 Method and apparatus for controlling electric servo actuators  
A servomechanism having an actuator configured to convert electrical energy into mechanical energy and a controller configured for electrical connection to a power source. A power cable...
6765312 Dual battery system  
A dual battery system includes a starter battery and a battery of the vehicle electric system, a starter and electric consumers that are divided up into start-relevant consumers and consumers of...
6759764 Grid load logic  
A method of supplying supplemental power from a supplemental power source in addition to that from a primary power source in order to meet power demand of a load, comprising: measuring power flow...
6677687 System for distributing power in CPCI computer architecture  
A system for distributing power in a compact peripheral component interconnect (CPCI) computer architecture is provided. A CPCI computer architecture comprises a plurality of CPCI systems each...
6674270 Power cutoff device  
A power cutoff device is provided to adjust the transient characteristics of a power voltage caused at a cutoff of the power voltage. The power cutoff device is provided between power lines, which...
Matches 1 - 50 out of 152 1 2 3 4 >