| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 01/16/2001 | US6175311 On-line UPS controllable from far end |
| 01/16/2001 | US6175217 Hybrid generator apparatus |
| 01/16/2001 | US6175166 System for mitigating voltage disturbances and interruptions for power distribution applications |
| 01/12/2001 | CA2288918A1 Self-diagnostic circuitry for emergency lighting fixtures |
| 01/11/2001 | DE3714193C2 Spannungsversorgung für Regelelektronikkreise in der Bremssystemsteuerung von Fahrzeugen mit Anhängern Power supply for electronic control circuits in the brake system control of vehicles with trailers |
| 01/11/2001 | DE19931972A1 Schaltungsanordnung zum Betreiben eines elektromagnetischen Stellglieds Circuit arrangement for operating an electromagnetic actuator |
| 01/10/2001 | EP1067668A2 Circuit for operating an electromagnetic actuator |
| 01/10/2001 | CN2414540Y High-precision magnetis synthesis voltage-stabilizing signal power source screen |
| 01/09/2001 | US6172478 Power distribution in a portable device |
| 01/09/2001 | US6172432 Automatic transfer switch |
| 01/04/2001 | WO2000057341A3 Method and apparatus for medical covering group request processing, review and management |
| 01/03/2001 | EP1065782A1 Device for supplying uninterrupted power with air cooling |
| 01/02/2001 | US6169669 Digital signal processor controlled uninterruptable power supply |
| 01/02/2001 | US6169390 Flywheel-microturbine system |
| 01/02/2001 | US6169341 Power supplying adapter, electronic equipment, and signal transmission system |
| 01/02/2001 | US6169340 Electrical junction box for auxiliary power |
| 12/28/2000 | WO2000079669A1 Automatic transfer switch |
| 12/27/2000 | EP1062724A2 Uninterruptible power supply |
| 12/27/2000 | CN1278371A Electric power plant |
| 12/26/2000 | US6166531 Three phase to single phase power protection system with multiple primaries and UPS capability |
| 12/26/2000 | US6166456 High-speed disconnector using semiconductor technology |
| 12/21/2000 | WO2000076810A1 Energy supply system for systems critical to safety in a motor vehicle |
| 12/21/2000 | WO2000059444B1 Electrical power system for a self-contained transportable life support system |
| 12/21/2000 | DE19926495A1 Energieversorgungssystem für sicherheitsrelevante Systeme in einem Kraftfahrzeug Power supply system for safety-related systems in a motor vehicle |
| 12/20/2000 | CN2411612Y Three-phase emergency power supply |
| 12/19/2000 | US6163578 Bus station and bus system |
| 12/19/2000 | US6163088 Method and apparatus for providing standby power from a generator using capacitor supplied voltage |
| 12/19/2000 | US6163087 Power supplying system with a delayed closing device for delayed closing of a heat-dissipating fan |
| 12/12/2000 | US6160727 Automatic power control device |
| 12/12/2000 | US6160722 Uninterruptible power supplies with dual-sourcing capability and methods of operation thereof |
| 12/12/2000 | US6160720 Switching power supply unit utilizing a voltage dropping circuit |
| 12/12/2000 | US6160320 Load control method by detecting the time state of same frequency alternating current sine wave and alternating current square wave |
| 12/12/2000 | US6158656 Final accommodation device for power-source drop |
| 12/07/2000 | WO2000074203A1 Method and apparatus for providing an uninterruptible supply of electric power to a critical load |
| 12/07/2000 | WO2000074202A1 Uninterruptible power supply utilizing thermal energy source |
| 12/06/2000 | EP1057237A1 Power supplies for ecus |
| 12/06/2000 | EP1057236A1 Electric power supply system for simplifying the architecture of power and air conditioning installations |
| 12/06/2000 | EP1056623A1 Device for supplying electric energy |
| 12/05/2000 | US6157553 System for maintaining electric power during a momentary power interruption |
| 12/05/2000 | US6157177 Switched mode power supply for supplying a main and an auxiliary electrical circuit |
| 12/05/2000 | US6157168 Secondary power supply for an uninterruptible power system |
| 12/05/2000 | US6157164 Battery power system |
| 11/30/2000 | DE19936407A1 Device for compensating mains failures and voltage dips |
| 11/30/2000 | DE19921451C1 Bordnetz bei Kraftfahrzeugen Board power supply for motor vehicles |
| 11/29/2000 | CN1059055C Power supply device with simplyfied circuit |
| 11/28/2000 | US6153947 Dual feed hot swap battery plant controller for power supplies |
| 11/23/2000 | WO2000070736A1 Method and apparatus for converting a dc voltage to an ac voltage |
| 11/23/2000 | WO2000070313A1 Gas meter with low power consumption mode |
| 11/23/2000 | WO2000070280A1 Microprocessor controlled demand defrost for a cooled enclosure |
| 11/23/2000 | CA2372727A1 Gas meter with low power consumption mode |
| 11/22/2000 | CN2407549Y Emergent lighting controller for high-rising building |
| 11/22/2000 | CN1274188A Uninterrupted double supplying power source unit |
| 11/21/2000 | US6150737 Auxiliary power distribution system |
| 11/21/2000 | US6150736 Redundant electrical power source, distribution and consumption system |
| 11/16/2000 | WO2000069045A1 An arrangement in a power supply unit |
| 11/15/2000 | EP1052759A2 Uninterruptible duplexed power supply system |
| 11/15/2000 | EP1052148A2 Vehicle power supply network |
| 11/15/2000 | CN1273705A Uninterruptible power system |
| 11/09/2000 | WO2000066320A1 Machine tool with mechanical energy accumulator |
| 11/09/2000 | DE19919692A1 Werkzeugmaschine mit mechanischem Energiespeicher Machine tool with mechanical energy storage |
| 11/08/2000 | CN2405396Y Large power, full automatic and energy-saving emergency lamy |
| 11/08/2000 | CN1272708A Modular multiple power supply providing device |
| 11/07/2000 | US6144566 Standby power supply for video display apparatus |
| 11/07/2000 | US6144186 Low power enable circuit |
| 11/07/2000 | US6144110 Vehicular use power distribution apparatus and vehicular use power source apparatus |
| 11/02/2000 | WO2000065683A2 Consumer battery having a built-in indicator |
| 11/02/2000 | CA2369354A1 Consumer battery having a built-in indicator |
| 11/01/2000 | CN2404252Y Two-way power change-over apparatus |
| 11/01/2000 | CN1271986A UPS without power consumption |
| 11/01/2000 | CN1058113C Invertible power supply for emergency lighting |
| 10/31/2000 | US6140714 Power control apparatus for a battery-powered communication system |
| 10/25/2000 | EP1046211A1 Signal processing apparatus having means for reducing the power consumption |
| 10/25/2000 | EP1046208A1 Electric power supply system for an electrical equipment |
| 10/24/2000 | US6137233 Ballast circuit with independent lamp control |
| 10/24/2000 | US6137192 Embedded backup energy storage unit |
| 10/19/2000 | DE19913131A1 Stromversorgungssystem mit zwei Batterien unterschiedlicher Spannung Power supply system with two different voltage batteries |
| 10/18/2000 | EP1045502A1 Control circuit for devices with one or more ac connections |
| 10/18/2000 | CN2402047Y Intelligent stand-by power supply automatic converter |
| 10/17/2000 | US6134124 Universal distributed-resource interface |
| 10/17/2000 | US6133716 High-efficiency high-power uninterrupted power system |
| 10/17/2000 | US6133651 Outage management emergency power supply device |
| 10/12/2000 | WO2000060718A1 Device and method for providing an energy-saving two-stage voltage supply to a battery-operated terminal |
| 10/12/2000 | WO2000060717A1 Direct conversion uninterruptible power supply |
| 10/12/2000 | WO2000059444A1 Electrical power system for a self-contained transportable life support system |
| 10/11/2000 | EP1043826A2 Emergency lighting unit and remote handset |
| 10/11/2000 | EP1042934A1 A method, a device and a terminal for mobile radio communication |
| 10/10/2000 | US6130529 Secondary output holdover circuit for a switch-mode power supply |
| 10/05/2000 | DE19921146A1 Power supply arrangement with DC source with energy store feeding consumer electric circuit has discharging regulator that activates when voltage of consumer electric circuit falls below threshold level |
| 10/04/2000 | EP1040482A1 Buffer circuit and integrated-circuit memory with a buffer circuit |
| 10/03/2000 | US6128040 Record medium erasing device with variable control in accordance with power supply characteristics |
| 10/03/2000 | US6127809 Adaptive power battery charging apparatus |
| 10/03/2000 | US6127741 Vehicular use power feed apparatus |
| 09/28/2000 | WO2000057341A2 Method and apparatus for medical covering group request processing, review and management |
| 09/28/2000 | DE19910015A1 Clock circuit buffer time extension method |
| 09/28/2000 | CA2365409A1 Method and apparatus for medical covering group request processing, review and management |
| 09/27/2000 | CN1267941A Hydraulically controlled stepdown starting cabinet with both upper and lower pumps |
| 09/26/2000 | CA2238915C Power circuit for transferring energy by alternately switching winding circuits of a transformer at high speed |
| 09/21/2000 | DE19857754C1 Back-up electrical network supply device uses motor-generator mechanically coupled to mass used for storage of kinetic energy converted back into electrical energy upon mains failure |
| 09/19/2000 | US6122181 Systems and methods for producing standby uninterruptible power for AC loads using rectified AC and battery |
| 09/19/2000 | US6121756 Charger |