Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
12/2010
12/01/2010CN101521405B Intelligent double-power supply switching device
12/01/2010CN101369739B Spare power automatic switching device and method for three-segment bus two-segment switch
12/01/2010CN101340111B Uninterrupted switching system of commercial power and generated power and method thereof
11/2010
11/30/2010US7843676 Uninterruptible power supply
11/30/2010US7843163 Portable weather resistant enclosure
11/30/2010US7843083 Backup power system equipped with independent protection circuit architecture
11/30/2010US7843082 Islanding detection apparatus for a distributed generation power system and detection method therefor
11/25/2010US20100296244 Microchp with improved shut down system
11/25/2010US20100295375 Accumulation device
11/25/2010US20100295374 Method and apparatus for providing uninterruptible power
11/25/2010US20100295373 Method and apparatus for the loss-free transmission of electrical energy
11/25/2010US20100295369 Power supply system
11/25/2010DE102006010385B4 Verfahren zur Identifikation von Stromversorgungsmodulen A method for the identification of power supply modules
11/24/2010EP2252484A1 Control unit and method for controlling personal protection means for a vehicle
11/24/2010CN201656756U AC/DC server power
11/24/2010CN201656555U Three-power-supply automatic switching-over device
11/24/2010CN201656554U Automatic feeding device for spare silicon chains of direct current system
11/24/2010CN201656553U Automatic switching controller with double power supplies
11/24/2010CN201656552U Double-circuit power supply intelligent transformation control device
11/24/2010CN201656551U Double-path power supply switching control device
11/24/2010CN201656550U Dual power supply automatic switching device
11/24/2010CN201656549U Automatic switching device of UPS
11/24/2010CN201656548U Double-loop power supply manual throwing device capable of preventing electric dazzling
11/24/2010CN201656547U Automatic power supply switching device
11/24/2010CN201656546U Power supply switching-over and recharging device of electric vehicle
11/24/2010CN201656545U Isolating board of AC double-power supply loop automatic switching device
11/24/2010CN201656544U Universal type UPS circuit board device
11/24/2010CN201656417U Microcomputer protection measuring and controlling device of permanent magnetic vacuum breaker
11/24/2010CN101897100A Arrangement and approach for coupling power supplies using controlled switching techniques
11/24/2010CN101897099A Device, system and method that decreasing standby power of electronic appliance and receptacle
11/24/2010CN101895790A Method and device for laying out slot positions of SDH (synchronous digital hierarchy) apparatus
11/24/2010CN101895155A Energy storage device with failure detection and automatic reconstruction function and reconstructing method
11/24/2010CN101895151A Quadruple supply system
11/24/2010CN101895150A Quadruple co-generation system
11/24/2010CN101895149A Methods and apparatus for web-enabled engine-generator systems
11/24/2010CN101895148A Dual-power stable-switching device and method
11/24/2010CN101895147A High-reliability power system
11/24/2010CN101895146A Method for realizing redundancy of alternating current power supply
11/24/2010CN101895144A Movable charging vehicle
11/24/2010CN101895138A Method and system for storage battery management
11/23/2010US7840840 DC backup power supply system, a disk array and a DC backup power supply
11/23/2010US7839115 Power switching apparatus for natural energy power supply
11/23/2010US7839019 Multipurpose portable storage and supply system
11/18/2010WO2010130527A1 Circuit for stabilizing a supply voltage
11/18/2010US20100289336 Power supply system
11/17/2010EP2250722A1 Automatic battery reconnection
11/17/2010CN201639650U Set top box capable of being charged and supplying power externally
11/17/2010CN201639635U Mobile phone maintaining communication during replacement of cell
11/17/2010CN201639356U Power supply device with function of emergent illumination and luminous component thereof
11/17/2010CN201639355U Emergence electrical power device for fire-fighting equipment
11/17/2010CN201639354U Power supply switching circuit
11/17/2010CN201639353U Safety device for testing discharge capacity of accumulator battery without off line
11/17/2010CN201639352U Control device of electric brake
11/17/2010CN201639351U Communication power supply screen
11/17/2010CN201639350U Multifunctional controller for transformer substation
11/17/2010CN201639349U Accumulator fault emergency power system
11/17/2010CN201639348U Automatic switching system of locomotive power supply
11/17/2010CN201639347U Composite power supply
11/17/2010CN201639346U Switching device for power supply of electric mosquito-killing racket
11/17/2010CN201639345U Double-isolating switch bus couple power supply device
11/17/2010CN201639344U Device capable of protecting vehicle-mounted electronic equipment after abnormal power-off
11/17/2010CN201639343U Modular parallel power UPS device
11/17/2010CN1834842B D.C. power source device
11/17/2010CN101889379A Circuit configuration for operating a household appliance
11/17/2010CN101888114A Multifunctional power supply of vehicular automotive electronic device
11/17/2010CN101888113A Solar power supply control system and control method
11/17/2010CN101888112A Power system provided with stand-by power
11/17/2010CN101888111A Structure and method of two electrolytic series rectifier units in mutual backup and connection
11/17/2010CN101888096A Triangle extension power-supply system
11/17/2010CN101888086A Power supply apparatus, power receiving apparatus, power supply system, and power supply method
11/16/2010US7834587 Non-isolated charger with bi-polar inputs
11/16/2010US7834481 Threshold detection in back-up power supply systems
11/11/2010WO2010127885A2 Emergency power supply device
11/11/2010WO2010111569A3 System and method for estimating an efficiency of a power device
11/11/2010WO2010103458A3 Supply circuit for supplying a switch circuit
11/11/2010WO2010086606A3 Electrical circuit with redundant trunk
11/11/2010US20100282852 Modular, portable data processing terminal for use in a radio frequency communication
11/11/2010DE202008013673U1 DC-Versorgung, insbesondere für Leuchtdioden, in einem Betriebsgerät mit Wechselrichter DC supply, especially for light-emitting diodes, in an operating unit with power inverter
11/10/2010EP2249459A1 Voltage supply for a control unit of an emergency lighting circuit
11/10/2010EP2249458A1 Emergency lighting apparatus for driving a light source, especially an LED
11/10/2010EP1588496B1 Transmitter having supplemental power source
11/10/2010CN201629877U Intelligent control system of tunnel lamp
11/10/2010CN201629603U Battery monitoring management system based on uninterruptible switch power source
11/10/2010CN201629602U Intelligent emergency power supply of local ventilator for mine
11/10/2010CN201629601U Novel standby power supply
11/10/2010CN201629591U Switch power supply with load balancing function
11/10/2010CN201629590U Solar corridor power supplying system
11/10/2010CN201626750U Energy-saving elevator
11/10/2010CN201626433U Reliable power supplying system having standby circuit for railway system
11/10/2010CN101882809A Power supply method connecting new energy source and network power supply in parallel and having pitch peak converting control
11/10/2010CN101882797A Method for efficiently emerging marsh gas power generation into user power utilization network
11/10/2010CN101882514A Auto transfer switch including terminal cover
11/10/2010CN101882402A Energy-saving signboard with complementary lithium ion battery new energy with photovoltaic power generation
11/10/2010CN101881407A Shadowless lamp
11/10/2010CN101879074A Wireless power ultrasonic diagnostic apparatus
11/10/2010CN101153735B Air exchange control system in elevator cage
11/09/2010US7830038 Single chip solution for solar-based systems
11/04/2010WO2010127366A2 Supplemental, backup or emergency lighting systems and methods
11/04/2010WO2010126652A1 Methods and systems for no-break power transfer with a converter
11/04/2010WO2010126220A2 Direct current uninterruptible power supply device having serial compensation rectifier
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 165