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7593756 |
Detection for high powered devices
A powering source unit comprising: a first powering source; a second powering source; the first powering source being operable to: apply a plurality of voltages towards a powered device via a first...
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7589436 |
Data processing unit and DC backup power supply
A backup power supply is so constructed that it is provided with multiple DC backup power supplies 111 to 11 N, each containing nickel-metal hydride battery, stored upright on the bottom of the...
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7573154 |
Battery operated portable electronic device having dual batteries
A battery-operated portable electronic device has a primary battery to provide energy to low current circuitry of the portable device, and a supplemental battery to provide intermittent bursts of...
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7554383 |
Chip for non-contact reader/writer having power-supply management function
The present invention relates to a semiconductor integrated-circuit device capable of seamlessly switching a power source obtained by rectifying a carrier wave and an external power source. The...
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7547989 |
Control architecture for power supply
The present invention discloses a control structure for a power supply, which comprises: a primary power system, a power switching unit, and at least one switch. The primary power system transforms...
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7541793 |
Parallel power supply with active droop current sharing circuit having current limiting function
An active droop current sharing technique combined with current limiting function is employed in a parallel power supply. The parallel power supply is characterized with a current sensing amplifier...
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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...
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7541691 |
Standby power supply apparatus
A standby power supply apparatus is provided in which a supply voltage of the standby power source, supplied before electronic apparatuses such as TVs or video players are switched on, is reduced...
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7535122 |
Various methods and apparatuses for a multiple input-voltage-level voltage-regulator and a multiple voltage-level DC power supply
A method, apparatus, and system are described in which operating characteristics of voltage regulator (VR) may be controlled. Example operating characteristics that are controlled may be 1) power...
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7523333 |
Power supply apparatus for electrical and/or electronic user devices
A power supply apparatus for electrical and/or electronic user devices, comprising an uninterruptible power supply which can be connected electrically to at least one primary power source, to at...
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7518264 |
Digital current share method for power supplies in parallel
The present invention relates to a digital current share apparatus and method for supplies in parallel wherein a digital current sharing is used to eliminate oscillations during current sharing by...
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7509507 |
Multi-regulator power supply chip with common control bus
A system and method for implementing a common control bus in a multi-regulator power supply integrated circuit. The integrated circuit may, for example, comprise first and second power regulator...
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7505820 |
Backup control for solid state power controller (SSPC)
Redundant functionality is implemented in a control of solid state power switching controller (SSPC) ( 1 ) to ensure that each power switching channel operates according to a default configuration...
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RE40663 |
Digital battery
A dynamic battery array of individual discrete cells, controllably interconnected for instantaneous dynamic configuration into a plurality of individual power buses having different electrical...
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7501718 |
Voltage supply circuit and method for generating a supply voltage
A voltage supply circuit has a first supply voltage input connected to a first comparator and to a first voltage regulator, the first comparator controlling the first voltage regulator. A second...
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7498695 |
More compact and higher reliability power source system
This invention features a more compact and higher reliability power source system for computing loads, the system including a high voltage DC bus connected to a number of DC sources each connected...
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7498694 |
Power management system with multiple power sources
A power management device for enabling multiply power sources to supply power to a load. The power management device includes a plurality of switches and a control logic. The plurality of switches...
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7489167 |
Voltage detection and sequencing circuit
A voltage detection and sequencing circuit is provided, preferably on a single semiconductor chip, for applying a plurality of voltages to an electrical system in a predetermined sequence. The...
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7485990 |
Electronic apparatus, feed switch controlling method and feed switch setting method for electronic apparatus
The power supply controller serves to distribute electric power to each part of the electronic apparatus for operation, and the electric power can be fed from the AC power source, the fuel cell...
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7460889 |
High power classification for power over Ethernet
A method for determining the classification of a powered device, the method comprising: obtaining a first classification over a first power path; obtaining a second classification over a second...
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7456520 |
Control system, method and product for uninterruptible power supply
A method for controlling an uninterruptible power supply (UPS) for servicing a load is disclosed. The UPS has a bypass feed path operable in parallel with an inverter feed path, the bypass feed...
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7453170 |
Universal energy supply system
A universal energy supply system for at least one electrical consumer comprises at least one AC voltage source and a cable connection connecting the source with the electrical consumer, wherein an...
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7449866 |
Booster that utilizes energy output from a power supply
A booster circuit generates a boosted output by boosting a low voltage output supplied as a target to be boosted and feeds back a part of the boosted output, an output by the booster circuit...
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7439634 |
Electrical starting, generation, conversion and distribution system architecture for a more electric vehicle
A system ( 200 ) for distributing electrical power, includes: a first high voltage AC power distributing unit ( 210 a ) including a first high voltage AC bus ( 214 a - 1, 214 a - 2 ), which is...
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7429807 |
Adjustable speed drive system for primary loop recirculation pump
An adjustable speed drive system for a primary loop recirculation pump capable of keeping a PLR pump operating even if a single malfunction occurred in a main adjustable speed drive circuit...
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7420294 |
Smart power switch for broadband communications network
A power switching module provides power to a line amplifier in a broadband telecommunications network. The switch includes a first input port for connection to a first power source, a second input...
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7414332 |
Electric power unit and electronics device obtaining power from a plurality of power sources
An electric power unit selectable and usable a plurality of electric sources, including an electric source-discriminating device to detect attached electric sources of the plurality of electric...
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7414330 |
Power switch device
A power switching device which is used to receive plenty of input voltage and output a switch voltage is provided. The device comprises a first switching unit, a second switching unit, and a...
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7411313 |
Controller for plural supplies driving single load
A controller is disclosed for determining that the currents from the two AC power sources are correctly phased. Required circuitry can be disposed within a housing from which extend power cables...
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7400493 |
Circuit breaking link status detection and reporting circuit
Certain embodiments provide a circuit breaking link status and reporting system. The system includes a power source and a circuit breaking link in communication therewith. An electrical outlet is...
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7391132 |
Methods and apparatus providing double conversion/series-parallel hybrid operation in uninterruptible power supplies
An uninterruptible power supply (UPS) includes an AC power source, a DC power source coupled to a DC bus, a load, a converter, an inverter and a controller. Responsive to the controller, the...
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7385374 |
Adaptive power system
A power system having an extended life and a system and method for extending the life of a battery powered device. In one embodiment, the method comprises providing a plurality of power sources and...
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7380150 |
Method for selecting an inductive or battery power supply based on the voltage sensed therefrom for a transponder system
A power management circuit for a system that has combined power supplies from an inductively coupled circuit and from a battery comprises voltage sensing circuitry for sensing the voltage of each...
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7368836 |
Volt-second synchronization for magnetic loads
A method and device for connecting a load to an AC power source is arranged to ensure that the volt-second ratings of magnetic devices in the load are not exceeded, in order to limit in-rush...
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7362084 |
Fast voltage regulators for charge pumps
A digital multilevel memory system includes a charge pump and a voltage regulator for generating regulated high voltages for various memory operations. The charge pump may include a plurality of...
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7343509 |
Car-mounted electronic control device
The car-mounted electronic control device is constructed to include a main control circuit unit to be powered with a car-mounted battery through a switching element and a main power source circuit,...
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7332832 |
Removable hard disk drive (HDD) that is hot-plug compatible with multiple external power supply voltages
Circuitry in a hard disk drive (HDD) senses the supply voltage, normally at power-on, and applies appropriate DC-to-DC conversion (pass-through, step-down, or boost regulation) according to the...
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7324631 |
Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network
A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to...
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7286910 |
Installation for controlling power in an aircraft
The installation ( 10 ) for controlling power in an aircraft comprises a power distribution network ( 22 ); at least two subscribers ( 14 A, 14 B, 14 C) connected to the network ( 22 ); a central...
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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...
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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...
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7262520 |
Robust power distribution systems and methods
The present invention provides systems and methods that allow for individual power sources to be disconnected and reconnected without interrupting the power supply from the other power sources and...
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7259692 |
Hybrid power management system and method
A system and method for hybrid power management. The system includes photovoltaic cells, ultracapacitors, and pulse generators. In one embodiment, the hybrid power management system is used to...
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7256515 |
Power supply system with high cooling capability
A power supply system for supplying power to a system load is described. The power supply system includes a plurality of power supply modules. Each power supply module includes a power-generating...
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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...
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7227755 |
Integrated power supply and platform for military radio
An adapter assembly including a base for supporting a SINCGARS radio and a radio frequency power amplifier, a first connector for electrically connecting with the SINCGARS radio and a second...
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7227277 |
Multiple input DC-DC power converter
Apparatuses and methods for converting a plurality of dc input voltages from a plurality of voltage sources to at least one dc output voltage. An apparatus embodiment includes a plurality of...
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7215040 |
Half-bridge converter with zero-voltage switching and snubber
A method and apparatus for digital power processing operating with zero-voltage switching, which enables zero-voltage switching under the condition that the frequencies are not constant, or the...
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7212407 |
Electrical power converter method and system employing multiple output converters
A support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with...
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7199488 |
Telemetry power system
A long-life telemetry power storage and delivery system includes a power bus electrically connected through a voltage regulator to a wireless communications unit operable for periodic high-current...
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