| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 01/15/2003 | EP1276202A2 Uninterruptible power supply and method of turning off AC switch for uninterruptible power supply |
| 01/15/2003 | EP1275564A1 Battery switching device and emergency alerting system comprising this |
| 01/14/2003 | US6507922 Fault indicator circuit in system having circuit blocks |
| 01/14/2003 | US6507507 DC power supply device |
| 01/14/2003 | US6507168 Uninterruptible power supply |
| 01/14/2003 | US6507128 Low-energy storage fast-start uninterruptible power supply system and method |
| 01/09/2003 | US20030006709 Emergency lighting arrangement and apparatus |
| 01/08/2003 | EP1274286A1 Emergency lighting apparatus |
| 01/08/2003 | EP1273085A1 Emergency lighting system |
| 01/08/2003 | EP1272418A1 Emergency power supply device for lift systems |
| 01/08/2003 | CN2530380Y Emergency lighting reversing service of fire automatic starting mode |
| 01/08/2003 | CN2530379Y Commercial power or manually operated generating d.c power source |
| 01/08/2003 | CN1098554C Power supply apparatus having afunction of compensating for change in voltage |
| 01/07/2003 | US6504270 Uninterruptible switching regulator |
| 01/03/2003 | WO2003001644A1 An arrangement and a method in a dc system |
| 01/03/2003 | WO2003001123A1 Emergency operation of electrical operator devices for movable members |
| 01/02/2003 | US20030002308 Uninterrupted power supply without power loss |
| 01/02/2003 | EP1271745A1 Method for operation of an electric end-user as well as a device using such a method |
| 01/02/2003 | EP1269598A2 Distributed internal fault bypass in a modular uninterruptible power supply |
| 01/02/2003 | EP1269205A2 System for detecting defective battery packs |
| 01/02/2003 | EP1198876A4 System for controlling the delivery of power to dc computer components |
| 01/01/2003 | CN1388621A Power supply system with spare AC power source and function against reverse insertion of AC power source |
| 12/31/2002 | US6502044 Self-diagnostic circuitry for emergency lighting fixtures |
| 12/31/2002 | US6501196 Fault tolerant AC transfer switch |
| 12/31/2002 | US6501195 Device for controlling power distribution to subsystems |
| 12/31/2002 | US6501194 Energy recovery snubber circuit for bidirectional power converter and method of operation thereof |
| 12/31/2002 | CA2284655C Flywheel power supply |
| 12/27/2002 | WO2002103880A1 Power supply for household appliance with standby mode and household appliance using said power supply |
| 12/26/2002 | US20020195880 Appliance and a power supply therefor |
| 12/26/2002 | US20020195879 Uninterruptible power supply and method of turning off AC switch for uninterruptible power supply |
| 12/26/2002 | US20020194677 Mattress and bedpan cushion system |
| 12/25/2002 | CN1387293A Power supply device with stand-by AC function |
| 12/25/2002 | CN1387291A Ups |
| 12/25/2002 | CN1097380C Power supply device of communication apparatus |
| 12/24/2002 | US6498966 Method and system for distribution of stand-by electric power |
| 12/24/2002 | US6498464 System for supplying power to a load connected to a distribution network |
| 12/24/2002 | US6498459 Electronic equipment and battery unit |
| 12/20/2002 | WO2002005406A1 Emergency power supply device |
| 12/19/2002 | WO2002101903A1 Safety switch for preventing an unintentional discharge of a vehicle battery |
| 12/19/2002 | WO2002093722A9 Method of and apparatus for producing uninterruptible power |
| 12/19/2002 | US20020190797 Standby circuit for an electrical device |
| 12/19/2002 | US20020190527 System controller and method for monitoring and controlling a plurality of generator sets |
| 12/19/2002 | US20020190526 Control system for stand-by electrical generator |
| 12/19/2002 | US20020189480 Rotary press control apparatus and method capable of controlling operation in a power failure |
| 12/19/2002 | US20020189018 Mattress cavity cushion system |
| 12/18/2002 | EP1266755A1 Rotary press control apparatus and method capable of controlling operation in a power failure |
| 12/18/2002 | CN2527058Y Emergent lamp for controlling fire |
| 12/18/2002 | CN1096798C Portable communication apparatus preventing trouble when battery wears |
| 12/18/2002 | CN1096734C Accumulator device for an electrical and/or electronic apparatus and telecommunication terminal comprising such a device |
| 12/17/2002 | US6496394 Uninterruptible power system |
| 12/17/2002 | US6494042 Method of and apparatus for producing uninterruptible power |
| 12/15/2002 | CA2390589A1 Control system for stand-by electrical generator |
| 12/12/2002 | WO2002099948A1 Power supply architecture with controlled power-on and power-off sequence |
| 12/12/2002 | US20020186576 Backup power supply |
| 12/12/2002 | US20020185997 Multifunctional electronic energy saving switch |
| 12/12/2002 | US20020185916 Apparatus for controlling power distribution to devices |
| 12/12/2002 | DE10133802C1 Method for shifting an electric control device in a motor vehicle from an idle state into an operational state activates an idle evaluation unit in the control device via wake-up signals during regular gaps of time |
| 12/12/2002 | DE10128136A1 Safety switch for preventing unintentional vehicle battery discharge has semiconducting switch as safety switch that isolates load from voltage supply after predetermined time interval |
| 12/11/2002 | EP1264385A2 Power converters with ac and dc operating modes and methods of operation thereof |
| 12/11/2002 | EP0981852B1 Methods and apparatus for providing protection to batteries in an uninterruptible power supply |
| 12/11/2002 | CN2525718Y Spare power source system management device |
| 12/10/2002 | US6493248 Relating to inverters |
| 12/10/2002 | US6493243 Redundant power system and power supply therefor |
| 12/10/2002 | US6492745 Battery disconnect system |
| 12/05/2002 | WO2002097946A2 Back-up power system |
| 12/05/2002 | WO2002097456A2 Self-diagnosis system for an energy storage device |
| 12/05/2002 | US20020181262 Single-stage power converter and an uninterruptible power supply using same |
| 12/04/2002 | EP1262008A1 Ac power generating system |
| 12/04/2002 | EP0859714B1 Method and device for controlling a motor vehicle drive train |
| 12/04/2002 | CN2524414Y Three-phase power supply for emergency |
| 12/04/2002 | CN1383248A Power supply equipment with parallelly connected two PC power supplies |
| 12/03/2002 | US6489749 Battery state monitoring circuit having differentiating circuit |
| 12/03/2002 | US6489725 Power saving circuit |
| 12/03/2002 | US6489561 Battery wire lead management |
| 11/28/2002 | US20020177931 On-board control system and method for vehicles |
| 11/28/2002 | US20020175660 Low-energy storage fast-start uninterruptible power supply system and method |
| 11/27/2002 | EP1261099A2 Low-energy storage fast-start uninterruptible power supply system and method |
| 11/27/2002 | EP1261097A1 Current adjusting apparatus and current adjusting method |
| 11/27/2002 | EP1260011A1 Modular fault tolerant power distribution system |
| 11/27/2002 | EP1119893B1 System for supplying power to a load connected to a distribution network |
| 11/27/2002 | CN2523098Y Power source module |
| 11/27/2002 | CN1095234C Device for distributing energy for airplane |
| 11/27/2002 | CN1095111C Network hibernation system and its method |
| 11/26/2002 | US6486789 Method and apparatus for delivering uninterrupted power |
| 11/26/2002 | US6486627 Flywheel uninterruptible power source |
| 11/25/2002 | CA2348586A1 Power management system |
| 11/21/2002 | WO2002093730A1 Charge and discharge control device |
| 11/21/2002 | WO2002093722A2 Method of and apparatus for producing uninterruptible power |
| 11/21/2002 | WO2002071568A3 Uninterruptible power supply systems and methods using rectified ac with current control |
| 11/21/2002 | US20020171398 Power supply system, computer apparatus and maximum power control method |
| 11/21/2002 | US20020171295 Semiconductor integrared circuit |
| 11/21/2002 | DE10120790A1 Schaltungsanordnung zur Verringerung der Versorgungsspannung eines Schaltungsteils sowie Verfahren zum Aktivieren eines Schaltungsteils Circuit arrangement for reducing the supply voltage of a circuit part as well as methods for activating a circuit part |
| 11/20/2002 | EP1258070A2 Modular uninterruptible power supply |
| 11/20/2002 | EP1027232B1 Control device for an operating function of a vehicle |
| 11/19/2002 | US6483730 Power converters with AC and DC operating modes and methods of operation thereof |
| 11/19/2002 | US6483682 Electric power distribution system employing a fight-through switch |
| 11/19/2002 | US6483275 Consumer battery having a built-in indicator |
| 11/19/2002 | US6483206 Electric power supply system for simplifying the architecture of power and air-conditioning installations |
| 11/13/2002 | EP1256158A1 Lighting system |
| 11/13/2002 | EP0876701B1 Motor vehicle power supply network |