| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 04/18/2007 | CN1949133A System of controlling electric source supply according to electricity supplying situation and its controlling method and device |
| 04/17/2007 | US7205808 Power supply switching circuit and method |
| 04/17/2007 | US7205681 Generation and distribution of a dual-redundant logic supply voltage for an electrical system |
| 04/17/2007 | CA2362163C Ferroresonance-suppressing static transfer switch |
| 04/12/2007 | WO2005119873A3 Protection circuits for hybrid power systems |
| 04/12/2007 | US20070080820 Control system for a plurality of lamp-operating devices that are arranged in a distributed manner and method for initializing such a control system |
| 04/12/2007 | US20070080586 Emergency Battery Back-Up Power for Traffic Control Signals |
| 04/11/2007 | EP1771931A1 A system and method for reducing standby power consumption |
| 04/11/2007 | CN2888723Y Seamless auto switching device for dual-electric source |
| 04/11/2007 | CN2888718Y A non-stop DC operated power supply device for substation |
| 04/11/2007 | CN1946888A Device for managing an electrical power cutoff in an, in particular, yarn transformation textile machine |
| 04/11/2007 | CN1945920A Method for operation of a converter system |
| 04/11/2007 | CN1945771A Outdoor high voltage double power source vacuum breaker |
| 04/11/2007 | CN1310396C Power supply switching circuit for detection |
| 04/11/2007 | CA2523166A1 Audio signal detection utilizing low power standby power supply |
| 04/10/2007 | US7202576 Uninterruptible power supply systems and enclosures |
| 04/05/2007 | WO2007036019A1 Power up circuit with low power sleep mode operation |
| 04/05/2007 | US20070075587 Power converting apparatus for fuel cell and method thereof |
| 04/05/2007 | US20070075586 Ethernet powered device with an internaly controlled auxiliary power ouput |
| 04/05/2007 | DE10326294B4 Stromversorgungssystem für ein Fahrzeug Power supply system for a vehicle |
| 04/04/2007 | CN2886897Y Safe multifunctional DC power supply |
| 04/04/2007 | CN1943092A Transfer switch device and method |
| 04/04/2007 | CN1941542A Power-supplying circuit |
| 04/04/2007 | CN1309142C Autoconnected mutual-inductive uninterrupted voltage conversion method and uninterruption switch power source thereof |
| 04/03/2007 | US7200467 Method and apparatus for power management control of a cooling system in a consumer accessible appliance |
| 04/03/2007 | US7199529 Inductive lighting system with back-up battery |
| 04/03/2007 | US7199489 Battery communication system |
| 04/03/2007 | CA2391616C Power source device for a.c. elevator |
| 03/29/2007 | WO2007035360A1 Apparatus for and method of ups operation balancing the dc system |
| 03/29/2007 | US20070069586 Electrical power supply system having two batteries for an electric motor vehicle |
| 03/29/2007 | US20070069585 Fail safe redundant power supply in a multi-node computer system |
| 03/29/2007 | US20070069582 Forward converter |
| 03/29/2007 | DE102005045618A1 Emergency power light, has electronic ballast including digital interface and microprocessor provided for recognizing lamp and failure in lamp, and interface attached to digital addressable lighting interface |
| 03/28/2007 | CN2884654Y Cut-off automatic lifting protector for chute of loading vehicle |
| 03/28/2007 | CN2884278Y Emergency controller for electric-control hydraulic driving tracked vehicle |
| 03/28/2007 | CN2883072Y Noise silencing wagon of super-silence power source vehicle |
| 03/28/2007 | CN1937352A Electrical automatic transfer switch having thermal overload protection |
| 03/28/2007 | CN1307742C Back-up battery for electronic equipment and charging method therefor |
| 03/22/2007 | WO2007031355A2 Backup circuit with charge accumulator |
| 03/21/2007 | CN2882102Y Frequency-charger cabinet for auxiliary electric machine of electric locomotive |
| 03/21/2007 | CN2882081Y High power energency power supply for input circuit equipment with rectifier filter power supply |
| 03/21/2007 | CN2882080Y Emergency power supply device for opening IC card door lock |
| 03/21/2007 | CN1934774A Power conversion apparatus with DC bus precharge circuits and methods of operation thereof |
| 03/21/2007 | CN1934766A Methods and apparatus for providing uninterruptible power |
| 03/21/2007 | CN1934765A Uninterruptible power supply apparatus and power failure compensating system |
| 03/20/2007 | US7193624 Display apparatus with power saving capability |
| 03/14/2007 | EP1763126A1 Pitch control battery backup methods and system |
| 03/14/2007 | EP1761990A1 Methods and apparatus for providing and distributing standby power |
| 03/14/2007 | EP1761989A1 Method and apparatus for testing uniterruptible power supply |
| 03/14/2007 | CN1930754A Multi-mode uninterruptible power supplies and methods of operation thereof |
| 03/14/2007 | CN1928571A AC voltage sampling method and system |
| 03/14/2007 | CN1305201C Passive capacity on line direct current power supply screen |
| 03/14/2007 | CN1305199C Uniterruption power supply unit, changer and parallet work type changer |
| 03/13/2007 | US7191351 Method and network for providing backup power to networked devices |
| 03/09/2007 | CA2557084A1 Pitch control battery backup methods and system |
| 03/08/2007 | US20070055409 Methods and apparatus for providing and distributing standby power |
| 03/08/2007 | US20070054631 Ruggedized tradesworkers radio |
| 03/08/2007 | US20070052295 Method and device for supplying at least one load |
| 03/08/2007 | US20070052294 Apparatus for providing high quality power |
| 03/07/2007 | EP1760569A2 Redundant power supply circuit and motor driving circuit |
| 03/07/2007 | EP1410490A4 Control system for a power converter and method of controlling operation of a power converter |
| 03/07/2007 | EP1356568B1 Electrical system for a ship |
| 03/07/2007 | EP1223653B1 Electric device and apparatus for charging battery unit, and method for charging and discharging |
| 03/07/2007 | CN2877135Y Coalmine winch control switch |
| 03/07/2007 | CN2877042Y 7.2V double cell power supply device for camera |
| 03/07/2007 | CN1926744A Devices and methods for detecting the presence of a source of power |
| 03/07/2007 | CN1925333A Battery locking apparatus for electronic devcie |
| 03/06/2007 | US7188264 Power management system |
| 03/06/2007 | US7187087 Flywheel system with synchronous reluctance and permanent magnet generators |
| 03/01/2007 | US20070046106 Power supply circuit |
| 03/01/2007 | DE202006018866U1 Vorrichtung zum Verstellen von Rotorblättern einer Windkraftanlage Device for adjusting rotor blades of a wind turbine |
| 02/28/2007 | EP1456590B1 A domestic combined heat and power unit |
| 02/28/2007 | CN2874898Y Double power source switch device |
| 02/28/2007 | CN2874897Y Real time clock circuit |
| 02/27/2007 | US7185115 Modular system for connecting multiple customer premises voice and data communications devices to a T1 data line |
| 02/22/2007 | WO2007019925A1 Jump start supporting point |
| 02/22/2007 | US20070040451 System and method for brownout protection of a FET based battery switch |
| 02/22/2007 | US20070040449 Method and apparatus for predicting end of battery life |
| 02/22/2007 | DE10138536B4 Schaltungsanordnung zur Netzausfallüberbrückung bei Schaltungen mit einem Schaltregler Circuit arrangement for Mains buffering at circuits with a switching regulator |
| 02/21/2007 | EP1460990A4 Mattress and bedpan cushion system |
| 02/21/2007 | CN2872712Y Device for guaranting power supply continuouslly by single-trunk sectional wiring |
| 02/21/2007 | CN2872707Y Function exchanger of collection station and power-supply station |
| 02/21/2007 | CN2872700Y Marine power-supply system |
| 02/21/2007 | CN1918769A Scr-based static transfer switch device and method |
| 02/21/2007 | CN1917328A Power supplying method of distribution type duplex power sources |
| 02/21/2007 | CN1915724A Method and equipment of safe inversion for anti-skid device of passenger car |
| 02/21/2007 | CN1915703A Power drive system of fuel-cell vehicle possessing redundant fault tolerant |
| 02/20/2007 | US7181630 Uninterrupted power supply managing system displays connection tree generated from connection information between interrupted power supply device and load devices received from lower controller |
| 02/20/2007 | US7180210 Standby generator integration system |
| 02/15/2007 | WO2007019430A1 Batteryless starter for ups |
| 02/15/2007 | CA2617922A1 Batteryless starter for ups |
| 02/14/2007 | EP1751835A1 Fuel saving engine driven aircraft ground power device and method of use |
| 02/14/2007 | EP1751334A1 Device for managing an electrical power cutoff in an, in particular, yarn transformation textile machine |
| 02/14/2007 | CN2870272Y Electric control circuit for stable control to powder-feeder frequency variator |
| 02/14/2007 | CN1913282A Vehicle anti-theft system |
| 02/14/2007 | CN1913265A Controller of integral fire pumps stabilized pump |
| 02/14/2007 | CN1912802A Power controlling system and power control method |
| 02/14/2007 | CN1300911C Circuit for preventing DC power supply voltage drop |
| 02/14/2007 | CN1300910C Battery power supply device |
| 02/13/2007 | US7176585 Power distribution web node and power management process |