| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 06/20/2002 | WO2002049185A1 A robust controller for controlling a ups in unbalanced operation |
| 06/20/2002 | WO2002048976A1 Electronic payment terminal with power backup function |
| 06/20/2002 | US20020077074 RF receiver with power off control |
| 06/20/2002 | US20020074958 Remote control test apparatus |
| 06/19/2002 | EP1215798A2 System reliability module |
| 06/19/2002 | EP1215794A2 Power management system |
| 06/19/2002 | CN1354904A System and method for alternating standby mode |
| 06/13/2002 | WO2000079669A9 Automatic transfer switch |
| 06/13/2002 | US20020073349 Arrangement for the power supply for a security domain of a device |
| 06/13/2002 | US20020072345 Modular system for connecting multiple customer premises voice and data communications devices to a T1 data line |
| 06/13/2002 | US20020071292 Power Supply With Uninterrupted Function |
| 06/13/2002 | DE10060873A1 Entladeschutzvorrichtung Entladeschutzvorrichtung |
| 06/13/2002 | DE10058964A1 Arrangement for switching back-up battery has flip-flop that changes to non-conducting when back-up battery connected, only changes to conducting on applying further operating voltage |
| 06/12/2002 | EP1213816A2 Discharge protection device |
| 06/11/2002 | US6404658 Method and apparatus for converting a DC voltage to an AC voltage |
| 06/11/2002 | US6404653 Multi-voltage transformer |
| 06/11/2002 | US6404168 Auxiliary battery for portable devices |
| 06/11/2002 | US6404081 Embedded backup energy storage unit |
| 06/11/2002 | US6404075 Uninterruptible power generation system |
| 06/06/2002 | WO2002044555A1 Flywheel based ups apparatus and method for using same |
| 06/06/2002 | US20020069373 Safe shutdown device for an uninterruptible power supply (UPS) system and method for safely shuting down a UPS system |
| 06/06/2002 | US20020067630 DC power supply device |
| 06/05/2002 | EP1210758A1 Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof |
| 06/05/2002 | EP1210757A1 Transfer mechanism for transferring power between a utility source and a stand-by generator |
| 06/05/2002 | CN1086097C External power source to main battery power source switch |
| 06/04/2002 | US6400591 Method and apparatus for converting a DC voltage to an AC voltage |
| 06/04/2002 | US6400589 Control apparatus for a power supply circuit including plural converter |
| 06/04/2002 | US6400586 Power factor corrected UPS with improved connection of battery to neutral |
| 06/04/2002 | US6400043 Modular uninterruptable power supply |
| 05/30/2002 | US20020063479 Active turbine combustion parameter control system and method |
| 05/30/2002 | US20020063477 Hand-held electric appliance power-saving switch control mechanism |
| 05/29/2002 | EP1209811A2 FET-OR circuit and power supply circuit using the same |
| 05/29/2002 | EP1209794A2 Power supplies for portable electrical devices |
| 05/29/2002 | EP1209793A1 Apparatus and method for controlling a power supply |
| 05/29/2002 | EP1209631A1 Power supply arrangement for a security part of an apparatus |
| 05/29/2002 | DE10155182A1 System for power conversion of electrical energy has first and second power conversion stage for selectively rectification of signal, selective modification of frequency of signal |
| 05/29/2002 | DE10057113A1 Power supply for flue and heat discharge systems, comprises control system with charge condition monitoring unit which is connected with main accumulator |
| 05/28/2002 | US6396216 Lamp fault detection |
| 05/28/2002 | US6396170 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power |
| 05/28/2002 | US6396166 Data protective receptacle with power saving function |
| 05/23/2002 | US20020060499 Balanced modular power management system and method |
| 05/23/2002 | US20020060498 Method and device for backup, and electronic device |
| 05/23/2002 | DE10054970A1 Verfahren zur Steuerung der Lade- und Entladephasen eines Stützkondensators A method for controlling the charging and discharging phases of a backup capacitor |
| 05/22/2002 | EP1206827A1 Direct conversion uninterruptible power supply |
| 05/22/2002 | EP0908001A4 Independent load sharing of ac power systems connected in parallel |
| 05/22/2002 | EP0908000A4 Wireless selective tripping of ac power systems connected in parallel |
| 05/22/2002 | CN1085428C Uninterrupted power supply device |
| 05/22/2002 | CN1085354C Uninterruptive switching regulator |
| 05/21/2002 | US6392349 Remote control test apparatus |
| 05/21/2002 | US6392173 Automatic switchover device for power source |
| 05/16/2002 | WO2001073915A3 Distributed internal fault bypass in a modular uninterruptible power supply |
| 05/16/2002 | US20020057582 Automobile and electric power system controller thereof |
| 05/16/2002 | US20020057145 Relay for a transfer mechanism which transfers power between a utility source a stand-by generator |
| 05/15/2002 | CN1084955C Controller for power transfer device |
| 05/14/2002 | US6388695 Driving circuit with switching element on static current path, and printer using same |
| 05/10/2002 | WO2002037637A2 Method for controlling the charging and discharging phases of a back-up capacitor |
| 05/10/2002 | CA2361785A1 Power converter system |
| 05/08/2002 | EP1204186A2 Power supply device for electrical loads in a vehicle |
| 05/08/2002 | EP1204015A2 Power supply device and electronic equipment |
| 05/08/2002 | EP0856207B1 Power management system |
| 05/08/2002 | CN2490749Y Reserved power supply unit |
| 05/08/2002 | CN1348542A Laser imaging apparatus using biomedical markes that bind to cancer cells |
| 05/07/2002 | US6385056 Precision switching power amplifier and uninterruptible power system |
| 05/07/2002 | US6384577 Electronic apparatus including remote control receiving system and AC adapter system |
| 05/07/2002 | US6384491 Active energy hold up for power supplies |
| 05/02/2002 | WO2002035680A1 High-security electric power supply device |
| 05/02/2002 | US20020051368 Mobile power generation system |
| 05/02/2002 | US20020050809 Power supply apparatus |
| 05/02/2002 | EP1202429A1 An emergency lighting unit usable with different types of batteries |
| 05/02/2002 | EP1202428A1 An emergency lighting unit, a device comprising said unit, and a control method for these |
| 05/02/2002 | EP1201016A1 Uninterrupted power conversion system |
| 05/02/2002 | DE10053584A1 Redundant voltage supply for at least one safety-relevant consumer in car has first voltage supply connected via second decoupling element with safety-relevant consumer and second voltage supply via third decoupling element |
| 05/02/2002 | CA2426725A1 High-security electric power supply device |
| 05/01/2002 | CN1347182A Uniterruption power supply unit, changer and parallet work type changer |
| 04/30/2002 | US6381156 Uninterruptible duplexed power supply system, and unit plug-in structure for uninterruptible duplexed power supply system |
| 04/25/2002 | WO2002033801A1 Distribution system for electric energy |
| 04/25/2002 | WO2001061822A3 Modular uninterruptible power supply |
| 04/25/2002 | US20020047627 Central battery emergency lighting system |
| 04/24/2002 | EP1199784A1 Power generation plant and method for controlling and regulating the same |
| 04/24/2002 | EP1198876A1 System for controlling the delivery of power to dc computer components |
| 04/24/2002 | CN2488183Y Power supply connector |
| 04/24/2002 | CN1346531A Reserve power system foir any battery operated device |
| 04/24/2002 | CA2359864A1 Load bank alternating current regulating control |
| 04/23/2002 | US6376937 Meter collar with interface for connecting on-site power source, and the interface itself |
| 04/23/2002 | US6375344 Data capture system with communicating and recharging docking apparatus and hand-held data terminal means cooperable therewith |
| 04/18/2002 | WO2002030174A2 Rotary dynamic system power distribution unit |
| 04/18/2002 | WO2001073920A3 Methods, systems, and computer program products for communications in uninterruptible power supply systems using controller area networks |
| 04/18/2002 | WO2000070736A9 Method and apparatus for converting a dc voltage to an ac voltage |
| 04/18/2002 | US20020044467 Dual input, hot swappable dual redundant, enhanced N‘AC to DC power system |
| 04/18/2002 | US20020044462 Power supply and battery back-up system for telecommunications systems |
| 04/18/2002 | DE10050889A1 Electronic apparatus, especially central unit of programmable storage control unit, has second battery plug and in its leads, for connection of battery plugs with data store, decoupling resistances are inserted |
| 04/17/2002 | EP1198068A1 Electronic circuit and RF receiver with power save control |
| 04/16/2002 | US6373237 Electronic scale having a sleep mode in addition to a standby operating mode |
| 04/16/2002 | US6373222 Power supply apparatus, electrical equipment and power supply method |
| 04/16/2002 | US6373149 Power supply control for low voltage circuits using high threshold switch transistors |
| 04/11/2002 | WO2002029964A1 Power supply |
| 04/11/2002 | US20020042258 Ruggedized tradesworkers radio |
| 04/11/2002 | US20020041502 Bi-directional power supply circuit |
| 04/11/2002 | DE10046989A1 Voltage supply arrangement for electrical load in motor vehicle, has individual switching elements in auxiliary positive point connecting high current loads to common supply line |
| 04/10/2002 | EP1194993A2 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power |