| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 05/25/2001 | WO2001037395A1 Enhanced power system |
| 05/24/2001 | US20010001535 Multi-mode power converters incorporating balancer circuits and methods of operation thereof |
| 05/23/2001 | DE19955985A1 Battery charger for charging up accumulator batteries, incorporates electrical pole contacts to produce electrical connection with accumulator's pole contacts and mains device to create DC voltage to charge up |
| 05/23/2001 | DE19838662C2 Kommunikationsgerät mit Notfallbatterie sowie Verfahren zum Einrichten desselben The same communication device with emergency battery and method for establishing |
| 05/23/2001 | DE10028839A1 Verfahren und Vorrichtung zur Verlängerung der Nutzungsdauer eines schnurlosen Telefons während eines Stromausfalls Method and apparatus for extending the useful life of a cordless telephone during a power outage |
| 05/22/2001 | US6236226 Test method and system for uninterruptible power supply |
| 05/17/2001 | DE19953238A1 Electrical power supply method involves parallel mode with isolated network coupled to public network via protective device that is opened if public network fails to select isolated mode |
| 05/16/2001 | EP1099292A1 Emergency light element for actuating fluorescent lamps in case of mains breakdown |
| 05/15/2001 | US6233166 Uninterrupted power supply system |
| 05/15/2001 | US6230710 Electrical power system for a self-contained transportable life support system |
| 05/10/2001 | WO2001033690A1 Standby electric supply and a method for controlling the operation of a standby electric supply |
| 05/10/2001 | US20010001051 Power system |
| 05/09/2001 | EP1098422A1 No-break power supply with an electrical machine and a flywheel |
| 05/09/2001 | EP1098235A2 Charging device for electronic timepiece, electronic timepiece, and method for controlling charging device |
| 05/09/2001 | EP1097497A1 Method and equipment for controlling a power supply system |
| 05/09/2001 | CN1065676C Method and circuit for disconnecting transformer in dependence on whether load connected thereto requires power, or not |
| 05/08/2001 | US6230032 Method device and terminal for mobile radio communication |
| 05/08/2001 | US6229228 High-speed disconnector using semiconductor technology |
| 05/08/2001 | US6227626 Method and device for controlling a motor vehicle drive train |
| 05/01/2001 | US6226556 Apparatus with failure recovery and method therefore |
| 05/01/2001 | US6226191 UPS with current waveshape circuit |
| 05/01/2001 | US6225789 Battery charger |
| 05/01/2001 | US6225709 Power supply circuit for electric device |
| 05/01/2001 | US6225708 Uninterruptable power supply |
| 04/25/2001 | CN2427890Y Method and device for inhibiting over discharging of a cell |
| 04/24/2001 | US6222326 Ballast circuit with independent lamp control |
| 04/19/2001 | WO2001028066A1 Uninterruptible power supply |
| 04/19/2001 | WO2001028065A1 Device for providing an uninterrupted supply of power comprising an electrical machine and a flywheel |
| 04/17/2001 | US6219598 Automotive controller maintaining operation of controlled device when a microcomputer overruns and cannot be reset |
| 04/17/2001 | US6218744 Uninterruptible power supply and ferroresonant transformer for use therewith |
| 04/11/2001 | EP0855097A4 Modular power supply |
| 04/11/2001 | CN1291399A Battery-backup mechanism for base with of wireless telephone system |
| 04/05/2001 | WO2001024306A1 Battery power system |
| 04/05/2001 | WO2000065683A3 Consumer battery having a built-in indicator |
| 04/03/2001 | US6212081 Uninterruptible duplexed power supply system |
| 03/29/2001 | WO2001022555A1 Switching circuit and related method |
| 03/28/2001 | EP1087494A2 Transformer with power saving in standby condition and method for power saving thereof |
| 03/27/2001 | US6208148 Battery charger |
| 03/27/2001 | US6208118 Far-distance remotely controllable rectifier with back-up battery |
| 03/21/2001 | CN1063591C 电源电压提供电路 Power supply voltage supplying circuit |
| 03/20/2001 | US6204637 Method and system for remotely supplying power through an automated power adapter to a data processing system |
| 03/20/2001 | US6204574 Backup power-supply device |
| 03/20/2001 | US6204573 Method and circuit for maintaining charge in a backup battery |
| 03/20/2001 | US6204572 Power supply for providing instantaneous energy during electric utility outage |
| 03/15/2001 | WO2001018939A2 Method and apparatus for delivering uninterrupted power |
| 03/14/2001 | CN1063296C Switched-mode power source with standby mode |
| 03/13/2001 | US6201720 Apparatus and methods for space-vector domain control in uninterruptible power supplies |
| 03/13/2001 | US6201372 Reserve power option for a portable electronic device |
| 03/13/2001 | US6201371 Uninterruptible power system |
| 03/13/2001 | US6201319 Uninterruptible power supply |
| 03/13/2001 | CA2101279C Process for determining the backup time of a battery |
| 03/07/2001 | CN2422772Y Ceiling fan with power-cutting lighting function |
| 03/06/2001 | US6198177 Power supply providing backup AC voltage and method of operation thereof |
| 03/06/2001 | US6198176 UPS/CPS system |
| 03/01/2001 | DE19941513A1 Regulator device for electrical energy consumption in motor vehicles has detector unit for battery charge condition and control unit to stop energy take-up when battery charge is at set condition |
| 02/28/2001 | EP1078555A1 Lamp fault detection |
| 02/28/2001 | EP1078447A1 Uninterruptible power supply with plurality of inverters |
| 02/28/2001 | EP1078437A1 Embedded backup energy storage unit |
| 02/28/2001 | EP1078436A1 Systems and methods for producing standby uninterruptible power for ac loads using rectified ac and battery |
| 02/27/2001 | US6195597 Onboard information processing apparatus and automobile |
| 02/27/2001 | US6195271 AC adaptor with power consumption reduction in unused state |
| 02/27/2001 | US6194794 Integrated reciprocating engine generator set and turbogenerator system and method |
| 02/27/2001 | US6192687 Uninterruptible power supply utilizing thermal energy source |
| 02/22/2001 | WO2001013492A1 A switch circuit |
| 02/22/2001 | WO2001013491A1 Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof |
| 02/22/2001 | WO2001013490A1 Back-up electricity supply and method thereof |
| 02/22/2001 | WO2001013489A1 Transfer mechanism for transferring power between a utility source and a stand-by generator |
| 02/21/2001 | CN2420774Y Complementary power supply type instrument power box |
| 02/21/2001 | CN1284777A Multi-mode power converter with equalizer circuit and its operational method |
| 02/20/2001 | US6191504 System and method for reduced standby power consumption in a display device |
| 02/20/2001 | US6191500 System and method for providing an uninterruptible power supply to a critical load |
| 02/15/2001 | WO2001011754A1 Electric device and apparatus for charging battery unit, and method for charging and discharging |
| 02/15/2001 | WO2001011753A1 Battery monitor and battery device |
| 02/14/2001 | EP1076403A2 Multi-mode power converters incorporating balancer circuits and methods of operation thereof |
| 02/14/2001 | CN1284212A Freguency converter and UPS employing same |
| 02/13/2001 | US6189107 Fault tolerant voltage regulator module circuit for supplying core voltage and cache voltage to a processor |
| 02/13/2001 | US6188584 Power supply circuit maintaining electrical isolation |
| 02/13/2001 | US6188200 Power supply system for sump pump |
| 02/13/2001 | US6188198 Aperture closures |
| 02/13/2001 | US6188145 Meter collar with interface for connecting on-site power source, and the interface itself |
| 02/13/2001 | US6188143 System for supplying electrical energy to electrical apparatus |
| 02/13/2001 | US6188139 Integrated marine power distribution arrangement |
| 02/07/2001 | CN1283374A Method device and terminal for mobile radio communication |
| 02/06/2001 | US6184593 Uninterruptible power supply |
| 02/06/2001 | US6184591 Auxiliary apparatus for controlling at least one electrically operated functionally device |
| 01/31/2001 | EP1073177A2 Emergency lighting unit |
| 01/31/2001 | CN1282187A Power supply method and device for mobile telephone |
| 01/31/2001 | CN1282131A On-line immediate power switching device |
| 01/31/2001 | CN1061479C Electronic device having internal charge regulator controlled by charge current |
| 01/30/2001 | US6181029 Method of controlling battery back-up for multiple power supplies |
| 01/30/2001 | US6181028 Transfer mechanism for transferring power between a utility source and a stand-by generator |
| 01/30/2001 | US6181019 Generator system with vertically shafted engine |
| 01/24/2001 | EP1070376A1 Device and method for supplying an electric load with electric energy |
| 01/23/2001 | US6178515 Multi-CPU device capable of automatically shutdown general purpose OS when feed from main power supply is interrupted |
| 01/18/2001 | WO2001005012A1 Uninterrupted power conversion system |
| 01/18/2001 | CA2379044A1 Uninterrupted power conversion system |
| 01/17/2001 | EP1068661A2 Emergency operation device for a facility with an electric motor |
| 01/17/2001 | CN1060889C Tracking external power supply |
| 01/16/2001 | US6175511 Uninterruptable power supply |
| 01/16/2001 | US6175510 Direct conversion uninterruptible power supply |