| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/10/2010 | CN201402708Y Fan control device of air-cooling transformer |
| 02/10/2010 | CN201400498Y Elevator with switchable power supply |
| 02/09/2010 | US7659697 Apparatus and method to provide power to battery-backup assemblies disposed in an information storage and retrieval system |
| 02/09/2010 | US7659640 Power over network methods and systems |
| 02/04/2010 | WO2010013322A1 Power conversion device |
| 02/04/2010 | CA2732316A1 Power conversion apparatus |
| 02/03/2010 | EP1537643B1 Electronic device with attachment and switching between batteries therefor |
| 02/03/2010 | CN201398094Y Solar photovoltaic and commercial power complementary device with alternating current and direct current dual-mode output |
| 02/03/2010 | CN201398093Y 6-pulse/12-pulse power supply switching system |
| 02/03/2010 | CN201398092Y Back board construction of redundant power supply |
| 02/03/2010 | CN201398091Y Full automatic redundant reciprocal standby configuration silence type power supply system |
| 02/03/2010 | CN201397457Y Control circuit of multifunctional UPS |
| 02/02/2010 | US7656060 Power system with method for adding multiple generator sets |
| 02/02/2010 | US7656058 Structure of inverter |
| 02/02/2010 | US7656057 Power conditioner and method of operating the same |
| 02/02/2010 | US7656056 Method and device for stabilizing an on-board electrical system of a vehicle electrical system |
| 01/28/2010 | WO2010010322A2 Switchable induction light |
| 01/28/2010 | WO2010009781A1 Emergency light unit |
| 01/28/2010 | US20100020582 Ac/dc power converter |
| 01/28/2010 | US20100019577 Uninterruptible power supplies, solar power kits for uninterruptible power supplies and related methods |
| 01/28/2010 | US20100019574 Energy management system for auxiliary power source |
| 01/28/2010 | DE102008034524A1 Notlichteinheit Emergency lighting |
| 01/27/2010 | EP2148554A1 Switchable induction light |
| 01/27/2010 | EP2148406A2 Power supply system, wireless communication system and illumination system |
| 01/27/2010 | EP2147495A2 Method for controlling backup power sources connected in parallel and device comprising backup power sources connected in parallel |
| 01/27/2010 | EP2147494A1 Self-stopping electrical appliance |
| 01/27/2010 | CN201393263Y Double-power digital camera |
| 01/27/2010 | CN201393076Y Uninterrupted power supply two-machine redundancy parallel connection system |
| 01/27/2010 | CN201393000Y Intelligent double-power-source switching device |
| 01/27/2010 | CN101635472A Power supply system, wireless communication system and illumination system |
| 01/27/2010 | CN100586030C Electronic devcie |
| 01/26/2010 | US7653827 Power distribution system having redundant mixed sources and method |
| 01/21/2010 | WO2010007550A1 An article of furniture |
| 01/21/2010 | WO2010007092A1 Dc ups with auto-ranging backup voltage capability |
| 01/21/2010 | WO2010007091A1 Intrinsically balanced direct current uninterruptible power supply |
| 01/21/2010 | WO2009132715A3 Arrangement relating power backup and method for power backup |
| 01/21/2010 | US20100013316 Uninterruptible power supply device with circuit for degradation judgment of storage battery |
| 01/21/2010 | US20100013315 Device And Method For Supplying Power To A Critical Load |
| 01/21/2010 | US20100013314 Extending backup times of uninterruptible power supplies |
| 01/21/2010 | US20100013313 Dc ups configured as intrinsic power transfer switch |
| 01/21/2010 | US20100013312 Dc ups with auto-ranging backup voltage capability |
| 01/21/2010 | US20100013311 Intrinsically balanced direct current uninterruptible power supply |
| 01/21/2010 | US20100013310 Metering pump power source |
| 01/21/2010 | US20100013308 Transfer switch controller employing active inductive load control and transfer switch including the same |
| 01/21/2010 | DE102008033865A1 Emergency lighting plant, has fire section distributor electrically integrated into ring circuit at input side, and ring line and electrical area passing through ring circuit, where ring line is electrically connected with power supply |
| 01/20/2010 | EP2146416A2 Power supply and over voltage protection apparatus and over voltage protection method |
| 01/20/2010 | EP2145374A1 Alternative-source energy management |
| 01/20/2010 | CN201388180Y Intelligent control system of electric generator |
| 01/20/2010 | CN201388153Y Regulated power supply of gas water heater |
| 01/20/2010 | CN201388082Y Field AC fault self-operation device with one-time variation of 66KV |
| 01/20/2010 | CN201388081Y Two-set DC bus fault automatic mutual operation device |
| 01/20/2010 | CN201388080Y Distributed emergency type automatic power generation system |
| 01/20/2010 | CN100583617C Power conversion apparatus with DC bus precharge circuits and methods of operation thereof |
| 01/20/2010 | CN100583592C Method, device and apparatus for multiple output distribution |
| 01/20/2010 | CN100583176C On-vehicle emergency call system |
| 01/19/2010 | US7649281 Low power loss uninterruptible power supply |
| 01/15/2010 | CA2638388A1 Indicator test switch for downlight lighting device and bracket therefor |
| 01/14/2010 | WO2010003785A2 Power supply unit having a voltage converter |
| 01/14/2010 | WO2010003622A1 Device for changing the operational state of an apparatus |
| 01/14/2010 | US20100010684 Protection techniques for an electric power system |
| 01/14/2010 | US20100007301 Safety drive for a flap or a valve |
| 01/14/2010 | US20100007211 Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions |
| 01/14/2010 | US20100006378 Elevator drive system including rescue operation circuit |
| 01/14/2010 | DE102004057828B4 Verfahren und Vorrichtung zur Notabschaltung elektrischer Stromversorgungskreise in einem Kraftfahrzeug, insbesondere Nutzfahrzeug Method and apparatus for emergency shutdown of electrical power supply circuits in a motor vehicle, especially a commercial vehicle |
| 01/14/2010 | CA2672333A1 Electrical distribution panel including first non-critical load bus and second critical load bus |
| 01/13/2010 | EP2144138A1 Device for changing the operational state of an apparatus |
| 01/13/2010 | EP2144072A2 Temperature monitoring in uninterruptible power supply systems using synthetic loading |
| 01/13/2010 | EP2142459A1 Power supply appliance of a transport system |
| 01/13/2010 | CN201383793Y Electrical control device for self-elevating drilling ship |
| 01/13/2010 | CN201383704Y Solar energy and transformer automatic conversion power supply controller |
| 01/13/2010 | CN201383703Y Standby power supply for remote-controlled toys |
| 01/13/2010 | CN201383702Y 智能快速切换装置 Intelligent fast switching devices |
| 01/13/2010 | CN201383701Y Emergency power supply special for pavilion |
| 01/13/2010 | CN201383700Y Electric cabinet for supplying uninterrupted power to decomposition tank |
| 01/13/2010 | CN201383699Y Adjustable intermittent power supply apparatus |
| 01/13/2010 | CN101626166A Standby power supply device |
| 01/12/2010 | US7646620 AC/DC power converter |
| 01/12/2010 | US7646275 Device and method for eliminating transformer excitation losses |
| 01/12/2010 | CA2567562C Supercapacitor backup power supply with bi-directional power flow |
| 01/07/2010 | WO2010002743A2 Uninterruptible power supplies, solar power kits for uninterruptible power supplies and related methods |
| 01/07/2010 | WO2010000339A1 Circuit configuration having a power input and method of work for actuating a power input circuit |
| 01/07/2010 | US20100001586 Method and system for managing backup power |
| 01/07/2010 | CA2729709A1 Uninterruptible power supplies, solar power kits for uninterruptible power supplies and related methods |
| 01/06/2010 | EP2140545A1 Method for pulse width modulation synchronization in a parallel ups system |
| 01/06/2010 | CN201378752Y Power supply transfer device |
| 01/06/2010 | CN201378751Y Backup power supply of crane data acquisition recording device |
| 01/06/2010 | CN201378750Y Standby power supply device for electronic electric energy meter |
| 01/06/2010 | CN201378749Y Fire-fighting device emergency power supply |
| 01/06/2010 | CN101622770A DC power system |
| 01/06/2010 | CN101621215A High-voltage intelligent double-power control protector |
| 01/06/2010 | CN101621214A Battery backup module as well as power supply method and storage system thereof |
| 01/06/2010 | CN101621213A False failure prevention circuit in emergency ballast |
| 01/05/2010 | US7642669 Electrical circuit arrangement |
| 01/04/2010 | CA2638049A1 Acquisition, control and measurement device |
| 12/31/2009 | US20090322277 Portable computerized data communication device |
| 12/31/2009 | US20090322153 Arrangement and method for providing power to a circuit using switched capacitor techniques |
| 12/31/2009 | US20090322152 Isolation control high speed transfer switch for uninterruptible power supply, power supply system using the switch and isolation control high speed transfer switching method |
| 12/30/2009 | WO2009156831A2 Standby circuit and electric appliance comprising such a circuit |
| 12/30/2009 | CN201374673Y Driver and AC-DC switching circuit using same |
| 12/30/2009 | CN201374586Y Dual power supply switcher |