| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 09/30/2009 | EP2106009A2 System and method to reduce power consumption during stand-by mode |
| 09/30/2009 | CN201319520Y Double-power intelligent switch control circuit system |
| 09/30/2009 | CN201319519Y Sound box prevention type diesel generator group integrating double power supply switching functions |
| 09/30/2009 | CN201319518Y Miniature duplicate supply automatic switching device |
| 09/30/2009 | CN201319517Y Generator car |
| 09/30/2009 | CN101548450A Apparatus with rechargeable power supply |
| 09/29/2009 | US7595568 Ignition system for a gas turbine engine |
| 09/27/2009 | CA2659533A1 Back-up lighting system |
| 09/24/2009 | WO2009076484A3 Stored-power system including power management |
| 09/24/2009 | US20090238319 Modular, portable data processing terminal for use in a radio frequency communication network |
| 09/24/2009 | US20090236914 Selectable backup power supply |
| 09/24/2009 | US20090236913 Audio and video back-up power block |
| 09/24/2009 | DE102008014626A1 Electric motor for operation of exhaust fan of portable household vacuum cleaner, has control device releasing voltage supply by accumulator corresponding to predetermined fallen down voltage value in case of falling down of voltage value |
| 09/23/2009 | EP2104201A2 Simple passive solution for providing power interruption capability with controlled inrush current in critical power supply |
| 09/23/2009 | EP2102963A1 System and method for control line isolation |
| 09/23/2009 | EP2102962A2 Elevator drive system including rescue operation circuit |
| 09/23/2009 | EP1269598B1 Distributed internal fault bypass in a modular uninterruptible power supply |
| 09/23/2009 | CN201315500Y Novel voltage shifter |
| 09/23/2009 | CN201315499Y 紧急供电设备 Emergency power supply equipment |
| 09/23/2009 | CN101542868A Uninterruptible power supply device |
| 09/23/2009 | CN101540483A Method and device for modular configuration of low-voltage power distribution system |
| 09/22/2009 | US7592715 Multiple sources of operating power to a load |
| 09/17/2009 | WO2009113852A1 System for emergency lighting, anti-panic lighting, escape route lighting or evacuation lighting |
| 09/17/2009 | WO2009112202A1 Medical device with a reservoir carried by an energy supply |
| 09/17/2009 | WO2009112201A1 Medical device with an energy supply having at least two energy sources |
| 09/17/2009 | US20090231892 Uninterruptible power supply |
| 09/17/2009 | US20090230783 Solar Portable Power Center |
| 09/17/2009 | US20090230775 Uninterruptible power supply for a medical appliance |
| 09/17/2009 | US20090230774 Extended controller keep alive system and method |
| 09/17/2009 | US20090230768 Method and Apparatus to Facilitate the Provision of Electrical Power As Pertains to a Self-Storage Facility |
| 09/17/2009 | DE102007043416B4 Notbeleuchtungsverfahren und -system Emergency lighting method and system |
| 09/17/2009 | CA2658732A1 Method and apparatus to facilitate the provision of electrical power as pertains to a self-storage facility |
| 09/16/2009 | EP2101392A2 Wind turbine energy storage and frequency control |
| 09/16/2009 | EP2100633A1 Medical device and charging station therefor |
| 09/16/2009 | CN201312142Y Two-way power supply switching device |
| 09/16/2009 | CN201312141Y Intelligent conversion device for duplicate supply |
| 09/16/2009 | CN201312140Y Automatic switching device for double power supplies |
| 09/16/2009 | CN100541994C Power conversion apparatus and methods using balancer circuits |
| 09/16/2009 | CN100541394C Information processing device and method |
| 09/15/2009 | US7590871 Electronic apparatus and method of setting an operation mode of the same |
| 09/15/2009 | US7589438 Source phase sensitive transfer method and apparatus |
| 09/15/2009 | US7589436 Data processing unit and DC backup power supply |
| 09/14/2009 | CA2658410A1 Supplementary power supply for portable electrical devices |
| 09/11/2009 | WO2009110019A1 Autonomous power generator |
| 09/11/2009 | WO2009109787A1 Electrical appliance monitoring systems |
| 09/10/2009 | US20090225501 Electrical distribution panel for a number of critical and non-critical loads |
| 09/10/2009 | US20090224605 Uninterruptible power supply watchdog system and auto recovery method using the system |
| 09/09/2009 | EP2099113A1 Method and device for controlling a printer should an electrical supply network be interrupted or fail |
| 09/09/2009 | EP1262008B1 Ac power generating system |
| 09/09/2009 | CN101527466A Emergency power unit |
| 09/08/2009 | US7586548 Stand-by power supply shutdown at power on |
| 09/08/2009 | US7586211 Cost optimized redundant power supply with dual AC inputs |
| 09/03/2009 | WO2009108381A1 Battery charger |
| 09/03/2009 | WO2009107150A1 Uninterruptible power supply unit |
| 09/03/2009 | WO2009075545A3 Device, system and method that decreasing standby power of electronic appliance and receptacle |
| 09/03/2009 | WO2009032368A3 Power source for an aircraft engine controller |
| 09/02/2009 | EP2096734A1 Power supply system, power supply control method of power supply system, power supply control program of power supply system, and computer readable recording medium having power supply control program of power supply system recorded thereon |
| 09/02/2009 | EP2095486A2 Current sensor apparatus and method for uninterruptible power supply |
| 09/02/2009 | EP1530817B1 Power supply unit |
| 09/02/2009 | CN101523691A AC-DC conversion device |
| 09/02/2009 | CN101523690A Portable device with priority based power savings control and method thereof |
| 09/02/2009 | CN101521410A Method and device for power failure safeguard |
| 09/02/2009 | CN101521405A Intelligent double-power supply switching device |
| 08/27/2009 | WO2009103386A1 Emergency light socket assembly |
| 08/27/2009 | WO2009066921A3 Standby power cut-off switch |
| 08/27/2009 | US20090212632 Emergency power unit |
| 08/27/2009 | US20090212631 Substation based high voltage uninterruptible power supply |
| 08/27/2009 | US20090212630 Apparatus And Method For Powering Load Center Circuits With An Auxiliary Power Source |
| 08/27/2009 | DE102008010043A1 Verfahren zum Betrieb von einem Gerät mit redundanten Netzteilen sowie Gerät mit redundanten Netzteilen Method for operating a device with redundant power supplies, and equipment with redundant power supplies |
| 08/26/2009 | EP2093859A1 Uninterruptible power supply unit |
| 08/26/2009 | EP2093854A2 Method for operating one device with redundant power supplies and electricity supply unit with redundant power supplies |
| 08/26/2009 | EP1466377A4 Fuel cell system power control method and system |
| 08/26/2009 | CN201298752Y Power supply switch module of electric power theft-proof alarm |
| 08/26/2009 | CN201298751Y Modified electricity no-voltage backup power switchover unit used in transformer station |
| 08/26/2009 | CN201298750Y Double-power rapid automatic switching device |
| 08/26/2009 | CN201298749Y Automatic transfer switching electrical appliance with double phase-correction power sources |
| 08/26/2009 | CN201298734Y Main electrical wiring for starting fuel gas and steam combined cycle generator set in two-drive-one mode with variable frequency |
| 08/26/2009 | CN201297555Y LED recessed lamp with both common and emergency lighting |
| 08/26/2009 | CN101517855A Standby saver |
| 08/26/2009 | CN100533946C Charge and discharge control device |
| 08/26/2009 | CN100533913C Quick switching method of the transformation station power supply |
| 08/26/2009 | CN100533910C Electronic equipment and battery unit |
| 08/25/2009 | US7579714 Uninterruptible power supply apparatus |
| 08/20/2009 | WO2009102343A1 Automatic disconnect of an ac source from a converter |
| 08/20/2009 | WO2009101054A2 Circuit arrangement |
| 08/20/2009 | WO2009100657A1 Uninterruptible cooling system and apparatus |
| 08/20/2009 | US20090206841 Intelligent fault-tolerant battery management system |
| 08/20/2009 | US20090206671 Backup power system equipped with independent protection circuit architecture |
| 08/20/2009 | US20090206670 Data Center Uninterruptible Power Distribution Architecture |
| 08/20/2009 | US20090206669 Method for Operating a Device with Redundant Power Supply Units and a Power Supply Apparatus with Redundant Power Supply Units |
| 08/20/2009 | US20090206668 Uninterruptible cooling system and apparatus |
| 08/19/2009 | EP2090508A2 Electric energy supply system, in particular for ships |
| 08/19/2009 | EP2090090A1 Power system for a telecommunications network |
| 08/19/2009 | EP2089952A2 Apparatus with rechargeable power supply |
| 08/19/2009 | EP1851842B1 Independent automatic shedding branch circuit breaker |
| 08/19/2009 | CN201294407Y Electric control disk of vessel sewage processing unit |
| 08/19/2009 | CN201294406Y Manual and automatic integrated voltage recognition device |
| 08/13/2009 | WO2009100295A2 Backup power system and method |
| 08/13/2009 | WO2009100185A1 Systems and methods for uninterruptible power supply control |
| 08/13/2009 | WO2009100075A1 Automatic battery reconnection |