| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 01/03/2014 | WO2014003738A1 Battery to provide voltage to power modules |
| 01/03/2014 | WO2014003419A1 Standby-power cutoff device for electronic product using power adaptor |
| 01/03/2014 | WO2013123943A3 An emergency start power plant provided with an energy source obtained by muscular strength |
| 01/02/2014 | US20140001863 Method and system for supplying emergency power to nuclear power plant |
| 01/02/2014 | US20140001862 Uninterruptible power supply |
| 01/02/2014 | US20140001861 Cmos power backup switching circuit and method for oeprating a cmos power backup switching circuit |
| 01/02/2014 | US20140001860 Fast bus transfer method and device |
| 01/02/2014 | US20140001855 Mos transistor device in common source configuration |
| 01/01/2014 | EP2678920A2 Service access point for a uninterruptible power supply |
| 01/01/2014 | CN203377676U Power supply automatic switching device and access control system |
| 01/01/2014 | CN203377675U Bus station intelligent power supply system characterized by clean energy compensation |
| 01/01/2014 | CN203377674U 10-kV mobile generator car |
| 01/01/2014 | CN203377673U Energy-saving control device of direct current UPS switching power supply |
| 01/01/2014 | CN103493354A System and method for off-line ups |
| 01/01/2014 | CN103491663A Cored induction furnace melting starting power source device |
| 01/01/2014 | CN103490502A Control method for intelligent automatic bus transfer equipment |
| 01/01/2014 | CN103490501A Solar air conditioner power supply method |
| 01/01/2014 | CN103490500A Multifunctional renewable energy source converting system |
| 01/01/2014 | CN103490499A Uninterrupted power supply method with power module and battery combined |
| 01/01/2014 | CN103490498A Power supply processing method and device of power supply system |
| 01/01/2014 | CN103490497A Double-power double-winding voltage-reduction two-time voltage-regulation rectifier transformer set suitable for different voltage levels |
| 01/01/2014 | CN103490475A Multi-energy collecting wireless sensor network node power source |
| 01/01/2014 | CN102377237B Solar energy and mains supply complementary controller |
| 01/01/2014 | CN102211553B Zero-power standby anti-disassembling anti-shearing power supply management mould for vehicle electronic device |
| 01/01/2014 | CN102163871B Multi-power supply system and method |
| 12/27/2013 | WO2013070836A3 Methods and apparatus for determining power distribution system topology using disturbance detection |
| 12/27/2013 | WO2013038496A9 Power supply system |
| 12/27/2013 | WO2012169046A9 Uninterruptible power supply system |
| 12/26/2013 | US20130342013 Motor control device that decreases power consumed by control power source when power fails |
| 12/25/2013 | EP2676351A1 Uninterruptible power supply systems and methods using an isolated neutral reference |
| 12/25/2013 | EP2323240B1 LED driver circuit |
| 12/25/2013 | EP2262552B1 Medical device with at least two energy sources |
| 12/25/2013 | CN203368329U Driver driving circuit |
| 12/25/2013 | CN203368139U Novel passive protection device for ring main unit |
| 12/25/2013 | CN203368137U Three-input two-connect power supply system |
| 12/25/2013 | CN203368136U AC/DC power supply non-delay switching system |
| 12/25/2013 | CN203368135U Domestic energy power supply system |
| 12/25/2013 | CN203368134U Multifunctional magnetic force keeping equipment detection device |
| 12/25/2013 | CN203368133U Direct-current power supply automatic control device |
| 12/25/2013 | CN203368132U Power switching circuit and dual-power supply device |
| 12/25/2013 | CN203368131U Emergency backup power supply device for wind generating set |
| 12/25/2013 | CN203368130U Solar-energy photovoltaic power-saving device used for oil-pumping unit |
| 12/25/2013 | CN203368129U 电源切换电路 Power switching circuit |
| 12/25/2013 | CN203368128U Emergency power supply switching circuit for equipment power supply loop |
| 12/25/2013 | CN203368127U Spare power automatic switching control equipment for transformer substation network |
| 12/25/2013 | CN203368126U Off-grid type wind-power generation capacitance expanding boosting inversion device |
| 12/25/2013 | CN203368125U Solar energy emergency switching circuit |
| 12/25/2013 | CN203368124U Power source switching circuit and Dock device |
| 12/25/2013 | CN203368123U Dual-power switching conversion device |
| 12/25/2013 | CN203368122U Switcher power-conversion device |
| 12/25/2013 | CN203368030U Switching device of three branches of power supply |
| 12/25/2013 | CN103477532A Service access point for an uninterruptible power supply |
| 12/25/2013 | CN103475088A Double-power-supply selector switch |
| 12/25/2013 | CN103475087A Magnetic levitation flywheel energy storage uninterruptible power supply |
| 12/25/2013 | CN103475086A Power source capable of achieving seamless switching of multiple power supply modules |
| 12/25/2013 | CN103475085A High-power direct current starting system for emergency power vehicle |
| 12/25/2013 | CN103475084A Safe power distribution system |
| 12/25/2013 | CN103475083A Power supply circuit of digital micromirror chip and digital micromirror chip |
| 12/25/2013 | CN103472402A Storage battery on-line discharging device |
| 12/25/2013 | CN102624082B Centralized power supply comprehensive intelligent control system for supplying power for indoor lighting system |
| 12/25/2013 | CN102570585B Power supply control method, device and system for HXD3C type electric locomotive train |
| 12/25/2013 | CN102510089B Wind and solar micro power grid system |
| 12/25/2013 | CN102403776B Hybrid power supply system and hybrid power supply method for air conditioner |
| 12/25/2013 | CN102347633B Power supply module and power supply system |
| 12/25/2013 | CN102119434B Worldwide adaptive multi-coil automatic transfer switch |
| 12/24/2013 | CA2718620C Power conversion device |
| 12/19/2013 | WO2013188415A2 Capacitor-based ups |
| 12/19/2013 | WO2013187883A1 Apparatus and method for providing uninterruptible power |
| 12/19/2013 | WO2013187305A1 Power supply system and method for operating power supply system |
| 12/19/2013 | WO2013186656A1 Adaptative safety led lighting system powered by battery plant. |
| 12/19/2013 | WO2013185847A1 Method and apparatus for performing power conversion |
| 12/19/2013 | US20130334885 Power source and power source control circuit |
| 12/19/2013 | US20130334875 Dc power architecture for remote apu start |
| 12/19/2013 | DE102012011708A1 Inverter device connected with renewable energy sources e.g. photovoltaic systems, has control unit that switches inverter unit into voltage led mode to connect emergency power supply connected over secondary switch unit with consumers |
| 12/18/2013 | EP2675037A1 Operation control device and method for controlling the operation of a lighting arrangement with emergency lighting |
| 12/18/2013 | EP2673878A2 Electric-motor furniture drive having a power supply device |
| 12/18/2013 | EP2503146B1 Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid. |
| 12/18/2013 | EP2351187B1 Uninterruptible power supply device |
| 12/18/2013 | CN203352276U Emergency power supply device in oil well measurement and control system terminal |
| 12/18/2013 | CN203352275U Stand-by power source automatic throw-in device transmission testing instrument |
| 12/18/2013 | CN203352274U Three-phase uninterruptible power supply control system |
| 12/18/2013 | CN203352273U Power supply system |
| 12/18/2013 | CN203352272U Drive circuit of ATE switching mechanism |
| 12/18/2013 | CN203352271U Direct-current power change-over switch |
| 12/18/2013 | CN203352270U Direct-current dual-power change-over switch |
| 12/18/2013 | CN203352269U Solar power supply system for providing uninterrupted alternating current power supply |
| 12/18/2013 | CN203352268U Bus capacitor charging/discharging circuit |
| 12/18/2013 | CN203352267U System and mechanism both used for operating shield plates |
| 12/18/2013 | CN203352250U Double-input uninterruptible power supply system |
| 12/18/2013 | CN203346336U Solar domestic garbage low-temperature circular dry distillation workshop |
| 12/18/2013 | CN103460551A Power distribution systems using distributed current sensing |
| 12/18/2013 | CN103457350A Automatic throw-in equipment of emergency power supply |
| 12/18/2013 | CN103457349A Double-power-source switching control circuit based on single-chip microcomputer |
| 12/18/2013 | CN103457348A Semiconductor integrated circuit and operating method thereof |
| 12/18/2013 | CN103457347A Power supply switching circuit and electronic device adopting the same |
| 12/18/2013 | CN103457346A Power supply system and power supply redundant control circuit thereof |
| 12/18/2013 | CN103457345A Control device and control method for supplying power to fault region in regional power grid |
| 12/18/2013 | CN103457344A High voltage capacitor charge discharge system |
| 12/18/2013 | CN103457343A Standby power device, standby power system and standby power method |
| 12/18/2013 | CN103457310A Semiconductor integrated circuit and operating method thereof |