| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 10/31/2007 | CN101063440A Solar,wind energy and commercial power combined power supply without transformer device |
| 10/31/2007 | CN100346554C Uninterruptible automobile theft-proof trumpet device |
| 10/25/2007 | US20070247004 Uninterruptible power supply capable of providing sinusoidal-wave output ac voltage |
| 10/25/2007 | DE102006030655A1 Notlichtgerät zum Betreiben einer Lichtquelle, insbesondere einer LED An emergency lighting device for operating a light source, especially a LED |
| 10/25/2007 | DE102006018575A1 Fehlererkennung von Leuchtdioden Fault detection of light-emitting diodes |
| 10/24/2007 | EP1847009A1 Switched-mode power supply unit wherein devices are supplied with power independently of the operating state of the power component |
| 10/24/2007 | EP1846971A1 Fuel cell system operated by compressed air |
| 10/24/2007 | EP1518774B1 Vehicle power source device |
| 10/24/2007 | CN200966005Y An UPS |
| 10/24/2007 | CN101060256A Nested redundant uninterruptible power supply apparatus and methods |
| 10/24/2007 | CN101060246A Actuator power-saving device |
| 10/23/2007 | US7286330 Power supply device and method having a spark prevention function |
| 10/18/2007 | WO2007115733A1 Energy supply device for a plurality of energy consumers connected thereto |
| 10/18/2007 | US20070241616 Low cost, low power loss uninterruptible power supply |
| 10/17/2007 | CN101056010A Switching machine for the highly intelligent dual-power automatic switching device |
| 10/17/2007 | CN101056009A Highly intelligent dual-power automatic switching device |
| 10/17/2007 | CN101056008A Quick switching method of the transformation station power supply |
| 10/17/2007 | CN101056007A Monitored voltage inverter for security system |
| 10/17/2007 | CN101054064A Special DC/AC power supply convertor with DC boosting device for electric car |
| 10/17/2007 | CN100344043C Selector circuit for power management in multiple battery systems |
| 10/16/2007 | US7282814 Battery controller and method for controlling a battery |
| 10/16/2007 | US7281958 Power terminal block |
| 10/10/2007 | EP1842276A1 Device for detecting an electrical power supply failure |
| 10/10/2007 | CN200959533Y Controller of automatic-conversion electric appliances |
| 10/10/2007 | CN200959526Y Household power supply device |
| 10/10/2007 | CN200959524Y DC gate comprehensive controller |
| 10/10/2007 | CN200959291Y Double-power supply mechanical interlocking device of medium-voltage fixed switch cabinet |
| 10/10/2007 | CN200959109Y Intelligent data protector of computer |
| 10/10/2007 | CN101053138A Method and apparatus for providing uninterruptible power |
| 10/10/2007 | CN101051764A Parallel control device and method for sine wave inverter |
| 10/10/2007 | CN101051752A Power supply system of hybrid switching power commutator, power supply unit and method thereof |
| 10/10/2007 | CN101051747A Method, device and apparatus for multiple output distribution |
| 10/10/2007 | CN100342617C Power supply system and its control method |
| 10/10/2007 | CN100342614C Switching unit for mean power supply of double battery |
| 10/04/2007 | WO2007073950A3 Backup circuit comprising a charge storage device |
| 10/04/2007 | WO2007054811A3 Power system for ultraviolet lighting |
| 10/04/2007 | WO2006106418A3 Uninterruptible power supply with additional feeding |
| 10/04/2007 | US20070230227 Universal Power Adapter |
| 10/04/2007 | US20070228843 Causing operation of load in alternate, reduced peak power mode |
| 10/04/2007 | US20070228834 Uninterruptible power supply apparatus |
| 10/04/2007 | DE20221770U1 System für die Steuerung der Energieversorgung von Großsportstätten System for controlling the energy supply for major sporting venues |
| 10/04/2007 | DE102006019875B3 Uninterruptible power supply protecting device for magnetic bearing, has rectifier supplying electrical energy to electrical intermediate circuit of static frequency converter during failure of power supply |
| 10/03/2007 | CN200956555Y Switching power supply system |
| 10/03/2007 | CN200956524Y Intelligent multi-path power supply switching controller |
| 10/03/2007 | CN200956523Y Fully-extracting combined standby electric power system |
| 10/03/2007 | CN200956522Y Powersupply device of high temperature electric balancer for rotary kiln flue with residual heat boiler |
| 10/03/2007 | CN101047323A Method and apparatus for an in-rush current limiting circuit |
| 10/03/2007 | CN100341226C Emergency operation device for facility with electric motor |
| 10/03/2007 | CN100341224C Duplex battery power line for mobile communication terminal |
| 10/03/2007 | CN100340948C Electronic device, battery pack, power-supply controlling method and program for electronic device |
| 10/02/2007 | US7276818 Energy-saving drive apparatus for DC loads |
| 10/02/2007 | US7276813 Redundant input power system |
| 09/27/2007 | WO2007108730A1 Energy supply system and method related thereto |
| 09/27/2007 | US20070222298 High efficiency lighting system |
| 09/27/2007 | US20070222297 Power Supply Device of an Electronic Device |
| 09/27/2007 | US20070222295 System and method for power load management |
| 09/27/2007 | DE50000558C5 Notlichtsystem Emergency lighting |
| 09/26/2007 | EP1837591A1 Emergency radio, light and power supply |
| 09/26/2007 | CN200953484Y Uninterrupted power source electric network source recovery switching device |
| 09/26/2007 | CN200953483Y Usb设备供电装置 Usb device power supply unit |
| 09/26/2007 | CN200953482Y Apparatus for three-phase parallel uninterrapted power source power balance detection |
| 09/26/2007 | CN101043146A Apparatus and method for managing power of battery packs in a portable device |
| 09/26/2007 | CN101043145A Ups systems having multiple operation modes and methods of operating same |
| 09/25/2007 | CA2427448C Solid oxide fuel cell as auxilliary power source installation in transport aircraft |
| 09/20/2007 | WO2007031355A3 Backup circuit with charge accumulator |
| 09/20/2007 | US20070216228 UPS systems having multiple operation modes and methods of operating same |
| 09/20/2007 | DE102006010714A1 Switch cabinet and/or rack arrangement for computer, has power supply units designed as fuel cell units, which are attached to liquid cooling device such as water cooling device, for cooling |
| 09/19/2007 | EP1835594A2 UPS systems having multiple operation modes and methods of operating same |
| 09/19/2007 | CN200950554Y Electrical supply equipment |
| 09/19/2007 | CN200950553Y Circuit apparatus for intelligent dual-power supply automatic converting switch |
| 09/19/2007 | CN200950552Y Automatic isolation terminal for emergency power supply of electronic door lock |
| 09/19/2007 | CN200950547Y Central control device |
| 09/19/2007 | CN200949736Y 轻型电源车 Lightweight power car |
| 09/19/2007 | CN101040266A Battery backed service indicator aids for field maintenance |
| 09/19/2007 | CN101038820A Method and device for positioning working position of double power supply switch device circuit breaker |
| 09/19/2007 | CN101038819A Method and device for positioning fire-fighting double power supply switch device |
| 09/19/2007 | CN100338708C Power supply switching device |
| 09/18/2007 | CA2359322C Electric utility system with superconducting magnetic energy storage |
| 09/13/2007 | US20070210652 Nested Redundant Uninterruptible Power Supply Apparatus and Methods |
| 09/13/2007 | US20070210651 Power converter for doubly-fed power generator system |
| 09/13/2007 | DE102006010386A1 Abnormal condition processing method for backup-type power supply system involves determining loading value of each power supply module, executing process for abnormal conditions when duty loading values exceed overload allowable ranges |
| 09/13/2007 | DE102006010385A1 Identification apparatus for back-up type power supply systems has signal detector that determines coupling and installation conditions of real and dummy power supply devices based on identification signals from potential detection points |
| 09/12/2007 | EP1833138A2 Nested redundant uninterruptible power supply apparatus and methods |
| 09/12/2007 | EP1832955A1 Uninterruptible power supply, uninterruptible power supply system and storage medium |
| 09/12/2007 | CN200947557Y Emergency power supply cabinet |
| 09/12/2007 | CN200947556Y Non-interference high-precision uninterrupted power supply |
| 09/12/2007 | CN100337385C Test by using independently controllable voltage islands |
| 09/12/2007 | CN100336681C Power supply for vehicle |
| 09/11/2007 | CA2533086C Programmable power converter |
| 09/09/2007 | CA2580310A1 Monitored voltage inverter for security system |
| 09/07/2007 | WO2007003469A3 Control unit for personal protection |
| 09/06/2007 | US20070205668 Power switch device |
| 09/06/2007 | US20070205664 Power supply device and power supply method |
| 09/05/2007 | EP1829072A1 Switching mechanism with mechanical interlocking and manual override |
| 09/05/2007 | CN200944539Y Automatic change-over controller of double power supply |
| 09/05/2007 | CN100335994C Power supply system for supplying power to an electronic apparatus |
| 09/04/2007 | US7266462 System, method and computer program product for configuring power supply apparatus |
| 09/04/2007 | US7265458 Apparatus and methods for coordinated static switch operations for load transfers in uninterruptible power supply systems |
| 09/04/2007 | US7265457 Power control apparatus |
| 08/30/2007 | WO2007097316A1 Emergency power source system using fuel cell, and distribution board |