| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
|---|
| 03/31/1998 | US5734204 Backup apparatus |
| 03/26/1998 | WO1998012090A1 Method and device for controlling a motor vehicle drive train |
| 03/26/1998 | DE19732229A1 Vorrichtung und Verfahren zur Steuerung des Anstriebsstrangs eines Kraftfahrzeugs Apparatus and method for controlling the Anstriebsstrangs a motor vehicle |
| 03/25/1998 | CN1177238A System for reducing interference to electronic devices caused by discontinuous transmission radio transmitters |
| 03/24/1998 | US5731693 Power supply for cellular communication stations |
| 03/24/1998 | US5731683 Electronic apparatus |
| 03/19/1998 | WO1998011645A1 Hybrid solid state switch |
| 03/18/1998 | CN1176523A Electric power conversion apparatus and its controlling method and uninterruption power source device using the same |
| 03/12/1998 | WO1998010503A1 Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply |
| 03/12/1998 | DE19730364A1 Power converter for three phase input and output |
| 03/12/1998 | DE19635225A1 Temperature control system for computer |
| 03/04/1998 | EP0826218A1 A modular cache memory battery backup system |
| 02/26/1998 | WO1998008288A1 Apparatus and method for optimizing power distributed in a broadband signal system |
| 02/26/1998 | WO1998008265A1 Method and circuit for depassivation of a battery |
| 02/26/1998 | WO1998008239A1 Electrets as a power source |
| 02/26/1998 | WO1997043892A3 System and method for estimating a load to optimize a backup energy system response |
| 02/25/1998 | EP0825702A1 Device and method for the operation of the drive circuitry of an electric motor with magnetic bearings during a power failure |
| 02/25/1998 | EP0824779A2 Process and circuitry to cover peak energy demands in electric alternating or three-phase current networks |
| 02/24/1998 | US5720110 Configuration for detecting gaps in a conductor rail for electric rail vehicles being fed through conductor rails |
| 02/15/1998 | CA2187977A1 System for reducing interference to electronic devices caused by discontinuous transmission radio transmitters |
| 02/10/1998 | US5717386 Automobile multiple communication system operable under low power consumption |
| 02/10/1998 | US5717308 Electric-supply equipment for camera |
| 02/03/1998 | US5714851 Serial hybrid drive arrangement for a motor vehicle |
| 01/29/1998 | WO1998004026A1 Power pack |
| 01/28/1998 | CN2273467Y Continuity power source |
| 01/27/1998 | US5712795 Power management system |
| 01/22/1998 | WO1998002950A1 Device for supplying power in a motor vehicle |
| 01/22/1998 | DE19628222A1 Vorrichtung zur Spannungsversorgung in einem Kraftfahrzeug Device for supplying power in a motor vehicle |
| 01/21/1998 | EP0820139A2 Continuous power supply circuit controlled by a reversible converter |
| 01/21/1998 | CN1171088A Reserve power system |
| 01/21/1998 | CN1037138C Electrical power supply |
| 01/20/1998 | US5710501 Battery pack having a processor controlled battery operating system |
| 01/16/1998 | CA2210433A1 Continuous electric power supply circuit regulated by a reversible converter |
| 01/15/1998 | WO1998001930A1 Method and apparatus for control of power supply couplings on computer backplane |
| 01/13/1998 | US5708820 Network hibernation system for suspending and resuming operation of computer system operable in network environment in event of power failure or period of inactivity |
| 01/08/1998 | DE19625104A1 Power supply method for intrinsically safe systems, such as motor vehicle braking system |
| 01/07/1998 | EP0817354A2 Battery charging circuit and method |
| 01/07/1998 | EP0817353A2 Apparatus for the reduction of standby-power of an electrical appliance |
| 01/07/1998 | EP0816172A2 Electrical apparatus,in particular a CD changer,for connection to a second electrical apparatus in particular an autoradio |
| 01/06/1998 | US5705891 Power supply for reducing the power consumption of digital oscilloscope |
| 12/31/1997 | WO1997050170A1 Independent load sharing of ac power systems connected in parallel |
| 12/31/1997 | WO1997050169A1 Wireless selective tripping of ac power systems connected in parallel |
| 12/31/1997 | WO1997050168A1 Power supply for light emitting diode array |
| 12/31/1997 | CA2259258A1 Power supply for light emitting diode array |
| 12/30/1997 | US5703415 Power supply circuit |
| 12/30/1997 | US5703412 Energy reservoir protection apparatus in vehicle occupant protection system |
| 12/24/1997 | WO1997049160A1 Electric power supply device for producing a plurality of voltages and apparatus comprising such a device |
| 12/18/1997 | WO1997048166A1 Emergency power supply |
| 12/18/1997 | WO1997048165A1 Accumulator device for an electrical and/or electronic apparatus and telecommunication terminal comprising such a device |
| 12/17/1997 | EP0813285A2 Emergency lighting device with optimized energy consumption |
| 12/17/1997 | EP0673557B1 Power supply for standby circuits of electrical devices |
| 12/16/1997 | US5698964 For a portable computing device |
| 12/10/1997 | CN1167355A Power supply device with simplyfied circuit |
| 12/09/1997 | US5696435 Fast battery charger for a device having a varying electrical load during recharging |
| 12/04/1997 | WO1997045911A1 Back-up battery management system for an uninterruptible dc power supply |
| 12/03/1997 | CN2269693Y Emergency lamp for lift |
| 12/02/1997 | US5694312 Uninterruptible power supply with fault tolerance in a high voltage environment |
| 11/27/1997 | WO1997043892A2 System and method for estimating a load to optimize a backup energy system response |
| 11/27/1997 | DE19620586A1 Uninterrupted current supply (UCS) system on board ship with two electrical plants |
| 11/27/1997 | DE19613831C1 System for interruption-free current supply to at least one load |
| 11/26/1997 | CN1166121A External power source to main battery power source switch |
| 11/26/1997 | CN1166080A Switched-mode power supply having standby mode |
| 11/25/1997 | US5691621 Battery pack having a processor controlled battery operating system |
| 11/18/1997 | US5689412 Univerally adaptable multi-function portable power supply unit for ac/dc conversion which including backup battery and battery charger |
| 11/13/1997 | DE19617915A1 Power distribution arrangement esp for powering loads in aircraft |
| 11/12/1997 | EP0806828A2 Method for reducing power consumption in a monitor |
| 11/11/1997 | US5686768 Emergency power system |
| 11/06/1997 | DE19713239A1 Control of electrical power transmission system, such as transformers and switched power supplies |
| 11/05/1997 | EP0804827A1 Uninterruptible power supplies |
| 11/05/1997 | EP0804826A1 Partitioned uninterruptible power supplies |
| 11/05/1997 | EP0610463B1 Power supply with a battery disconnect |
| 11/04/1997 | US5684686 Boost-input backed-up uninterruptible power supply |
| 11/04/1997 | US5684384 Apparatus and method for discharging and charging a multiple battery arrangement |
| 10/30/1997 | DE19717155A1 Motor vehicle occupant air-bag safety switching system |
| 10/29/1997 | EP0803966A2 Power supply for an apparatus with standby operation |
| 10/28/1997 | US5682050 Bidirectional current blocking MOSFET for battery disconnect switching including protection against reverse connected battery charger |
| 10/23/1997 | WO1997039511A1 Uninterrupted electric power supply system |
| 10/21/1997 | US5679985 Power supply with automatic recovery system |
| 10/21/1997 | US5679943 Hand-held terminal with display screens, interactive screens, magnetic credit card readers, scanners, printers and handlers |
| 10/14/1997 | US5677890 Modular cache memory battery backup system |
| 10/14/1997 | US5677831 Expandable uninterruptible power supply system |
| 10/08/1997 | EP0800254A2 Electric power distribution system |
| 10/08/1997 | EP0800252A2 Uninterrupted voltage supply |
| 10/08/1997 | EP0734606B1 Internal backup power device for a computer |
| 10/08/1997 | CN2264429Y Gapless throwing device of uninterruption power source |
| 10/01/1997 | CN1160877A Uninterruptive switching regulator |
| 09/30/1997 | US5673031 Redundant radio frequency network having a roaming terminal communication protocol |
| 09/25/1997 | WO1997035374A1 Customer side power management system and method |
| 09/25/1997 | DE19611161A1 Programmable monitoring and/or control circuit e.g. for security lighting system |
| 09/25/1997 | DE19610691A1 Motor-driven valve control method for heating system of building |
| 09/24/1997 | EP0796757A2 Convertisseur de puissance pour un entrainement tolérant les défauts |
| 09/24/1997 | CN1035973C Power inverting method and system |
| 09/23/1997 | US5670833 Power transfer method and apparatus for uninterruptible power systems |
| 09/18/1997 | DE19610245A1 Universal standby switch arrangement |
| 09/17/1997 | EP0795952A2 Method of and apparatus for stopping a motor having magnetic bearings |
| 09/17/1997 | EP0795136A1 Ups for medical imaging system |
| 09/17/1997 | EP0794919A1 Reserve power system |
| 09/16/1997 | US5669030 Film feeder for automatic developing machine |
| 09/16/1997 | US5668417 Method and apparatus for distinguishing between failure of a power supply versus failure of its power source from the secondary of the power supply |
| 09/12/1997 | WO1997033355A1 Modular power management system and method |