| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 01/29/2009 | WO2009013155A2 Method and apparatus for connection of a generator, which is driven by a diesel engine, to an electrical power supply system |
| 01/29/2009 | WO2007139388A9 An apparatus for operating controllable installation means |
| 01/29/2009 | US20090029194 Uninterrupted power supply circuit |
| 01/29/2009 | US20090026843 Portable apparatus of emergency power supply and battery charger |
| 01/29/2009 | US20090026842 Power supply unit |
| 01/29/2009 | US20090026841 Electric power supply system |
| 01/29/2009 | DE202008014567U1 Stromversorgungseinheit Power supply unit |
| 01/29/2009 | DE10025434B4 Stromversorgung für abschaltkritische Systeme Power supply for abschaltkritische systems |
| 01/28/2009 | CN201188550Y Power source unit |
| 01/28/2009 | CN201186117Y Fireproofing controller capable of opening fireproofing rolling screen when power off |
| 01/27/2009 | US7482710 Power generation system and control method |
| 01/27/2009 | US7482709 System for powering and controlling electrical equipment of an aircraft engine or its environment |
| 01/27/2009 | US7482704 Automatic generator starting protection |
| 01/27/2009 | US7481546 Low-voltage lighting apparatus |
| 01/27/2009 | CA2631072A1 Reclamping circuit for battery powered ballast |
| 01/27/2009 | CA2408376C Battery monitoring system |
| 01/22/2009 | WO2009012451A2 Power supply for a data center |
| 01/22/2009 | WO2009011562A2 Emergency light adapter |
| 01/22/2009 | WO2009010949A2 Device, system and method for charger switch adaptor |
| 01/22/2009 | WO2009010246A2 Method and apparatus for controlling a printing press in case of a fault or outage of the power supply system |
| 01/22/2009 | US20090021080 Power Systems and Methods Using an Induction Generator in Cooperation with an Uninterruptible Power Supply |
| 01/22/2009 | US20090021079 Power Systems and Methods Using an Uninterruptible Power Supply to Transition to Generator-Powered Operation |
| 01/22/2009 | US20090021078 Direct-Coupled IT Load |
| 01/22/2009 | US20090021077 Device, system and method for charger switch adaptor |
| 01/22/2009 | DE102007033427A1 Anordnung mit einem Gehäuse Arrangement with a housing |
| 01/21/2009 | EP2017943A2 Battery operated device having power saving mode |
| 01/21/2009 | EP2017942A1 Battery operated device having power saving mode |
| 01/21/2009 | CN101351953A Electronic control transformer using DC link voltage |
| 01/21/2009 | CN101351952A A power supply with reduced power losses during standby mode |
| 01/21/2009 | CN101350666A Illumination light communication device |
| 01/21/2009 | CN101350535A Uninterrupt power supply |
| 01/21/2009 | CN101350533A Battery operated device having power saving mode |
| 01/15/2009 | WO2008114131A3 Uninterruptible power distribution systems and methods using distributed power distribution units |
| 01/15/2009 | US20090015194 Portable computerized data communication device |
| 01/15/2009 | DE102007032534A1 Stromversorgung und elektronische Baueinheit mit einer Stromversorgung Power supply and electronic unit to a power supply |
| 01/15/2009 | DE102007022286B4 Medizinisches System mit galvanischer Trennung The medical system with galvanic isolation |
| 01/14/2009 | EP2015423A1 Electricity supply and electronic component with an electricity supply |
| 01/14/2009 | EP2013959A1 Emergency lighting device for operating a light source, in particular an led |
| 01/14/2009 | EP0919077B1 High efficiency lighting system |
| 01/14/2009 | CN201181444Y Power supply device used for portable computer |
| 01/14/2009 | CN101346871A Backup circuit comprising a charge storage device |
| 01/14/2009 | CN100452613C PC-automatic switch with regional interlock |
| 01/14/2009 | CN100452612C Uninterruptible power supply apparatus and power failure compensating system |
| 01/14/2009 | CN100452611C Emergency lighting |
| 01/13/2009 | CA2637370A1 Reconfigurable aircraft radio communications system |
| 01/08/2009 | WO2009004150A1 Energy conditioner |
| 01/08/2009 | WO2008011215A3 Low-voltage lighting apparatus |
| 01/08/2009 | US20090009001 Method and apparatus for synchronization of actions in a parallel ups system using a serial communications bus |
| 01/08/2009 | US20090009000 Adjustable Speed Drive System For Primary Loop Recirculation Pump |
| 01/07/2009 | EP2011214A1 Battery circuit in an emergency light device |
| 01/07/2009 | EP2011213A1 Led driver circuit |
| 01/07/2009 | EP2011212A1 Power supply for the control unit of an emergency lighting device |
| 01/07/2009 | EP2011211A1 Charging circuit for emergency light |
| 01/07/2009 | EP1405013B1 Emergency operation of electrical operator devices for movable members |
| 01/07/2009 | CN201178333Y Double power supply automatic switching non-negative-pressure water supplying apparatus with water cut when power-cut |
| 01/07/2009 | CN201178332Y Self-throwing test apparatus for standby power source |
| 01/07/2009 | CN201178331Y Novel 10kV outdoor double power supply self-thrower apparatus |
| 01/07/2009 | CN201178330Y Self-detecting self-maintaining system apparatus for multiple work circuit failure |
| 01/07/2009 | CN201178317Y Automatic electricity supplying device for remote controlled garage door when parking |
| 01/07/2009 | CN201178061Y Intelligent dual-power switching device |
| 01/07/2009 | CN201178023Y Super high voltage magnetic controlling type parallel reactor excitation equipment |
| 01/07/2009 | CN101340111A Uninterrupted switching system of commercial power and generated power and method thereof |
| 01/07/2009 | CN101340110A USB OTC device power source and implementing method thereof |
| 01/07/2009 | CN101339414A Power management system and method |
| 01/02/2009 | DE102007030451A1 Stromversorgungsvorrichtung A power supply apparatus |
| 01/02/2009 | DE102007028185A1 Versorgungseinheit mit einem Motor-Generator-Aggregat als Stromerzeuger Supply unit with a motor-generator unit to generate power |
| 01/01/2009 | US20090001815 Electrical Power Supply Apparatus |
| 12/31/2008 | WO2009001523A1 Power supply system, and power supply control method and power supply control program employed in power supply system |
| 12/31/2008 | EP2009765A2 Device for an uninterrupted power supply |
| 12/31/2008 | EP2009764A1 Device for an uninterrupted power supply |
| 12/31/2008 | EP2009763A2 Electricity supply device |
| 12/31/2008 | CN201174621Y Automatic switching control apparatus of double power supply |
| 12/31/2008 | CN201174620Y Power supply source used for converter transformer cooling system |
| 12/31/2008 | CN201174619Y Power supply source for converter transformer cooling system control circuit |
| 12/31/2008 | CN201174618Y Fast switching control apparatus for micro-computer electric power |
| 12/31/2008 | CN201174617Y Redundant electric power having alarming device |
| 12/31/2008 | CN201174616Y Power supplying device for mine well part fan |
| 12/31/2008 | CN201174615Y Travelling emergency power supply stations for regional burst power breaking |
| 12/31/2008 | CN101336505A Backup power system |
| 12/30/2008 | US7471016 Low pass filter |
| 12/30/2008 | US7471000 Portable battery charger powered by internal combustion engine |
| 12/25/2008 | US20080315687 Power conditioning unit |
| 12/25/2008 | US20080315686 System and method of detecting a battery fault |
| 12/24/2008 | WO2008156478A1 Method for monitoring an engine starting system and engine including starting system monitor |
| 12/24/2008 | WO2008155968A1 Maintenance bypass device |
| 12/24/2008 | WO2008103696A3 3-phase high power ups |
| 12/24/2008 | WO2008103696A2 3-phase high power ups |
| 12/24/2008 | DE202008010707U1 Eine kompakte, Wind-Sonnen-Generator Anlage mit Netzspannungsausgang A compact, wind-solar generator system with mains voltage output |
| 12/24/2008 | CN101330224A Uninterruptible power supply |
| 12/24/2008 | CN101330218A Control device and method for SCR detection as well as control device and method for power supply changeover |
| 12/24/2008 | CN101330211A Micro-electric network system capable of generating and using electricity using renewable energy resources comprehensively |
| 12/23/2008 | US7468567 Power switching apparatus and network equipment |
| 12/23/2008 | US7468566 Automatic transfer switch apparatus |
| 12/18/2008 | US20080309166 Method of controlling a plurality of ups units in an on-line ups system and on-line ups system having a plurality of ups units |
| 12/17/2008 | EP2002524A1 Energy supply device for a plurality of energy consumers connected thereto |
| 12/17/2008 | EP2002456A1 Energy supply system and method related thereto |
| 12/17/2008 | CN201167249Y Passive electric intelligent emergency power source implemented by large-capacity capacitance |
| 12/17/2008 | CN201167247Y Operating mechanism for intelligent double-power supply throwing-cutting apparatus |
| 12/17/2008 | CN201167246Y Backup power apparatus for variable pitch system |
| 12/17/2008 | CN101326098A Hybrid propulsion system for a watercraft |