| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 06/18/2008 | CN101202468A Method and apparatus for controlling and switching main and backup power |
| 06/18/2008 | CN101202467A Low-voltage control circuit power supply source switching device |
| 06/18/2008 | CN101202458A 电源供电电路 Power supply circuit |
| 06/18/2008 | CN101202424A Flame-proof type dual power supply multi-loop combined switch for mining |
| 06/18/2008 | CN101201688A Power-off protection system and method |
| 06/17/2008 | US7388742 Portable computerized data communication device |
| 06/17/2008 | US7388306 Appliance control system with power controller |
| 06/17/2008 | US7388304 Power supply system and electronic device comprising the same |
| 06/17/2008 | CA2248073C Modular power management system and method |
| 06/12/2008 | US20080141070 Method and apparatus for correlating an out-of-range condition to a particular power connection |
| 06/11/2008 | EP1931011A2 Device for operating at least one mechanically and/or electrically operated component |
| 06/11/2008 | CN201072850Y Portable electronic device with renewable energy source |
| 06/11/2008 | CN201072606Y Manufactory power supply integrated automation experiment system |
| 06/11/2008 | CN101197506A Instantaneous voltage-drop compensation circuit, method and power conversion apparatus |
| 06/11/2008 | CN101195346A Vehicle mounted electric power monitoring method |
| 06/11/2008 | CN100394668C Uninterrupted power source for electric motor |
| 06/10/2008 | US7385805 Method and apparatus for delivering uninterrupted power |
| 06/05/2008 | WO2008067299A2 Method and system for isolating disturbances to the power distribution system |
| 06/05/2008 | US20080130332 Power Supply Apparatus, Methods and Computer Program Products Using D-Q Domain Based Synchronization Techniques |
| 06/05/2008 | US20080129234 Activation current for dc motor having brake and emergency operation supply unit |
| 06/05/2008 | US20080129123 Control circuit for identifying power adaptor and method for use thereof |
| 06/05/2008 | US20080129120 Device for controlling single-phase power conditioner for renewable energy system |
| 06/05/2008 | US20080128213 Combination electrical and battery-powered control system for stairway chairlift |
| 06/05/2008 | DE202008001774U1 Stromversorgungsanlage mit Mehrfachfunktionen und ihre Betriebsmethode Power supply system with multiple functions and their operating method |
| 06/04/2008 | CN201069858Y Electrical appliance device with the permanent power supply bus |
| 06/03/2008 | US7382063 Uninterruptible power source for a barrier operator and related methods |
| 06/03/2008 | US7380891 Power supply apparatus for vehicle |
| 06/03/2008 | CA2364846C Electrical energy distribution system and contactor for such a system |
| 05/29/2008 | WO2008063988A2 Translucent and opaque impact modifiers for polylactic acid |
| 05/29/2008 | DE102006055545A1 Rotary printing press operating method for use during mains supply failure, involves switching rotary printing press from one mode to another mode for maintaining operability of electric load, by emergency power supply device |
| 05/28/2008 | CN101188362A Control panel system with redundancy |
| 05/28/2008 | CN101188045A On-vehicle emergency call system |
| 05/28/2008 | CN101186265A Container gantry crane with bidirectional power supply |
| 05/28/2008 | CN100391084C Battery lock mechanism for portable device |
| 05/28/2008 | CN100391081C Battery package for supplying power to optical communication probe and diagnose system for electric apparatis |
| 05/27/2008 | US7379305 Modular UPS |
| 05/27/2008 | US7378756 Battery backup electric plug with female plug |
| 05/22/2008 | WO2008060098A1 Uninterruptible power supply watchdog system and auto recovery method using the system |
| 05/22/2008 | WO2007143496A3 Battery powered lighting appliance |
| 05/22/2008 | US20080119991 Communication device and passive safety device |
| 05/21/2008 | DE202008002883U1 Schaltung zur Ansteuerung mindestens einer Leuchteinheit und Leuchte Circuit for controlling at least one lighting unit and light |
| 05/21/2008 | CN201063537Y Power supply dedicated for DC-DC locomotive monitoring |
| 05/21/2008 | CN201063530Y Duplex power supply device for high voltage frequency converter control power supply |
| 05/21/2008 | CN201063459Y Hybrid power supply of high voltage/supervoltage power transmission system |
| 05/21/2008 | CN201063458Y Device of implementing power supply for a plurality of voltage-stabilized power supply |
| 05/21/2008 | CN201063457Y Emergent controller for vehicle |
| 05/21/2008 | CN101183801A Power-off protection method, system and device |
| 05/21/2008 | CN101183795A Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack |
| 05/20/2008 | US7376040 Backup circuit for holding information in a storage circuit when power cut-off occurs |
| 05/20/2008 | CA2522128C Programmable peripheral power hub module |
| 05/15/2008 | WO2008025490A3 Redundant current supply with diagnostic capability and a suppressor |
| 05/15/2008 | US20080111423 Supercapacitor backup power supply with bi-directional power flow |
| 05/14/2008 | EP1920520A1 Batteryless starter for ups |
| 05/14/2008 | CN201061156Y Energy transformation system and equipment having rotary motion component |
| 05/14/2008 | CN201061090Y DC distributing equipment and communication cabinet |
| 05/14/2008 | CN101179205A Switch circuit and switch control method of battery and external power supply |
| 05/14/2008 | CN101178985A Automatic change-over and control method with self-diagnosis output function |
| 05/14/2008 | CN100388589C Method and apparatus for realizing dual-processing system by electric executing mechanism control system |
| 05/13/2008 | US7372177 Control system, method and product for uninterruptible power supply |
| 05/13/2008 | US7370666 Power system with computer-controlled fuel system |
| 05/08/2008 | WO2008052826A1 Circuit arrangement for controlling the supply of electrical energy loads and method for undervoltage protection of an on-board electrical system |
| 05/08/2008 | US20080106150 Time limit circuit for a hold-up battery |
| 05/08/2008 | US20080105499 Elevator system |
| 05/08/2008 | DE112006000895T5 DC/DC-Lose Kopplung, angepasster Batterien an Brennstoffzellen DC / DC Loose coupling, customized batteries to fuel cells |
| 05/07/2008 | CN201057627Y Emergency equipment |
| 05/07/2008 | CN100386710C Electronic device, electronic device system and working model switching method |
| 05/06/2008 | US7368834 Electronic protection devices for automatic circuit-breakers |
| 05/02/2008 | WO2008049999A2 Device and method for determining position speed and direction of movement of a mobile element |
| 05/02/2008 | WO2008049609A1 Uninterruptible power supply for a medical appliance |
| 05/01/2008 | US20080100142 Electric appliance with constant power supplied-bus |
| 04/30/2008 | EP1916417A2 Trigger circuit for DC motors with brake and emergency operating supply device |
| 04/30/2008 | DE102006050837A1 Emergency lighting system function testing method for public building, involves detecting operability of emergency lighting system if main current characteristics changes dependent on variation of electrical power of lamps |
| 04/30/2008 | CN201054829Y Low power consumption light source |
| 04/30/2008 | CN201054512Y Power converter with power supply function |
| 04/30/2008 | CN201054087Y Power source system |
| 04/30/2008 | CN101171195A Elevator system |
| 04/30/2008 | CN101170262A DC power switching device |
| 04/30/2008 | CN100385783C Freguency converter and UPS employing same |
| 04/30/2008 | CN100385590C Automatic change-over switch |
| 04/29/2008 | US7365515 Universal battery charger |
| 04/24/2008 | US20080093930 Uninterruptible power supply device |
| 04/23/2008 | EP1198068B1 Electronic circuit and RF receiver with power save control |
| 04/23/2008 | CN201051682Y Period synchronization backup self-start device |
| 04/23/2008 | CN201051674Y An electric door controller for automatic conversion and secure voltage output of city power and accumulator |
| 04/23/2008 | CN201051669Y A redundant hot swap power supply system |
| 04/22/2008 | US7362696 Method and apparatus for automatic transfer switch |
| 04/22/2008 | US7362601 Power supply device |
| 04/17/2008 | US20080088183 Integrated Closed Loop Control Method and Apparatus for Combined Uninterruptible Power Supply and Generator System |
| 04/17/2008 | US20080088182 Transfer switch with multiple power source disconnect |
| 04/17/2008 | DE102006048765A1 Air bag control device for vehicle, has safety devices arranged in connecting component between input connections and designed such that current flow from input terminal to another terminal is avoided during short-circuit at supply lines |
| 04/16/2008 | EP1912305A1 Control method of sodium-sulfur battery |
| 04/16/2008 | CN201047909Y High-credibility electricity saver control circuit structure |
| 04/16/2008 | CN101164217A Dc/dc-less coupling of matched batteries to fuel cells |
| 04/16/2008 | CN101162850A Control device of duplicate supply attent-unattent switch |
| 04/16/2008 | CN101162402A Electric power control structure of power supply apparatus |
| 04/16/2008 | CN100382410C Isolated, following, impact-free, and primary/secondary power source switching numeric control regulator circuit structure |
| 04/16/2008 | CN100382409C Non-power cutting power supply system |
| 04/15/2008 | US7360100 Intelligent power management control system and method |
| 04/11/2008 | CA2606060A1 Transfer switch with multiple power source disconnect |
| 04/10/2008 | WO2008041755A1 Ac-dc conversion device |