| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
|---|
| 04/07/2004 | EP1405013A1 Emergency operation of electrical operator devices for movable members |
| 04/07/2004 | CN1145392C Power supply method and device for mobile telephone |
| 04/06/2004 | US6717367 Emergency lighting arrangement and apparatus |
| 04/06/2004 | US6717292 Method and structure for measurement of a multiple-power-source device during a test mode |
| 04/01/2004 | WO2004027895A2 System and method for on-demand battery backup for cable telephony device |
| 04/01/2004 | WO2004012320A3 Uninterruptible power supply apparatus and method |
| 04/01/2004 | US20040064272 Arrangements to detect and respond to disturbances in electrical power systems |
| 04/01/2004 | US20040062058 Power conversion in variable load applications |
| 04/01/2004 | US20040062055 Lamps, luminaries and lighting systems |
| 04/01/2004 | US20040061484 Power holdup circuit with increased power factor |
| 04/01/2004 | DE10243213A1 Fail-safe current supply for load network e.g. for computer system, has secondary DC voltage source used as back-up for AC mains network |
| 04/01/2004 | DE10063689B4 Hausgerät mit einer Uhr Domestic appliance with a clock |
| 03/31/2004 | EP1402613A1 Power supply architecture with controlled power-on and power-off sequence |
| 03/31/2004 | EP1402612A1 Uninterruptible power supply |
| 03/31/2004 | EP1290771B1 Buffer circuit |
| 03/31/2004 | EP0784800B1 Motor vehicle battery circuit comprising monitoring of discharge and recharge current |
| 03/31/2004 | CN1485239A Power control apparatus for a bicycle |
| 03/30/2004 | US6714983 Modular, portable data processing terminal for use in a communication network |
| 03/30/2004 | US6712923 Manufacturing apparatus and manufacturing method of solid polymer film with catalyst deposited thereon |
| 03/25/2004 | WO2004025799A2 System for providing backup power from a regenerative fuel cell or battery arrangement |
| 03/25/2004 | WO2004025765A1 Method and system for balanced control of backup power |
| 03/25/2004 | WO2003098770B1 Hybrid power system for continuous reliable power at remote locations |
| 03/25/2004 | US20040058590 Electronic power source voltage regulator with UPS function |
| 03/25/2004 | US20040057576 System and method for on-demand battery backup for cable telephony device |
| 03/25/2004 | US20040057260 Dual input, hot swappable dual redundant, enhanced N‘AC to DC power system |
| 03/25/2004 | US20040056638 Electrical outlet and back-up power supply for the same |
| 03/25/2004 | US20040056636 Portable power supply having replaceable rechargeable battery for video game machine |
| 03/25/2004 | US20040056533 Power supply circuit |
| 03/25/2004 | CA2494285A1 Method and system for balanced control of backup power |
| 03/23/2004 | US6710546 Remote control test apparatus |
| 03/23/2004 | US6709784 Back-up battery for a cellular telephone |
| 03/18/2004 | WO2004023625A1 Power supply system and power supply method upon interruption of electric service |
| 03/18/2004 | WO2004023624A1 System and method for power load management |
| 03/18/2004 | WO2004023030A1 Emergency lamp |
| 03/18/2004 | WO2003092025A3 Consumer unit |
| 03/18/2004 | US20040053093 System for providing backup power from a regenerative fuel cell or battery arrangement |
| 03/18/2004 | US20040053082 Method and system for balanced control of backup power |
| 03/18/2004 | US20040051466 Lighting apparatus capable of providing auxiliary and emergency illumination |
| 03/18/2004 | DE202004000008U1 Power saving charge process for use with capacitor based back up power units for use with electronics and emergency lighting |
| 03/18/2004 | DE10033029B4 Notstromversorgungseinrichtung Emergency power supply device |
| 03/18/2004 | CA2537854A1 System and method for power load management |
| 03/17/2004 | EP1398867A1 Device for maintaining the voltage of an electric AC grid and method of operating the device |
| 03/17/2004 | CN2606975Y Loading-end structure of double power switching device |
| 03/17/2004 | CN1482726A Switching power supply unit |
| 03/16/2004 | US6706923 Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids |
| 03/11/2004 | WO2003096508A3 Power supply unit |
| 03/11/2004 | US20040046460 Apparatus for the voltage maintenance of an electrical AC voltage supply network and method for operating such an apparatus |
| 03/11/2004 | US20040046458 Precise power system |
| 03/11/2004 | US20040046456 PWM power supplies using controlled feedback timing and methods of operating same |
| 03/11/2004 | DE10240425A1 Switching transformer for a combinational circuit part supplies voltage for a load in a normal operating state and in a standby operation |
| 03/10/2004 | EP1396066A2 Self-diagnosis system for an energy storage device |
| 03/10/2004 | EP1396065A2 Back-up power system |
| 03/10/2004 | EP1396064A1 Safety switch for preventing an unintentional discharge of a vehicle battery |
| 03/10/2004 | CN1481061A Power supply module for communication equipment |
| 03/04/2004 | WO2003030341A9 Induction generator power supply |
| 03/04/2004 | WO2003007454A3 Dc ladder bus |
| 03/04/2004 | DE10321454A1 System und Verfahren zur Leistungsverwaltung in einem Computersystem mit mehreren Stromversorgungsnetzen System and method for power management in a computer system having a plurality of power supply systems |
| 03/03/2004 | CN1479428A Passive capacity on line direct current power supply screen |
| 03/02/2004 | US6701103 Power supply control apparatus and image formation apparatus |
| 03/02/2004 | US6700808 Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter |
| 03/02/2004 | US6700802 Bi-directional power supply circuit |
| 03/02/2004 | US6700351 Modular uninterruptible power supply battery management |
| 03/02/2004 | US6700214 Mobile power generation system |
| 02/26/2004 | WO2003073582A3 Universal uninterruptible power supply input circuitry and methods for configuring same |
| 02/26/2004 | US20040039537 Arrangements to detect and respond to disturbances in electrical power systems |
| 02/26/2004 | US20040037102 Dual input AC/DC to programmable DC output converter |
| 02/26/2004 | US20040037019 Power supply control circuit |
| 02/26/2004 | US20040036447 Portable power source for portable computers and communication device |
| 02/26/2004 | US20040036361 Power supply method of a line interactive ups and the line interactive ups |
| 02/26/2004 | US20040036359 Power system including redundant power supplies |
| 02/26/2004 | US20040036357 High-security electric power supply device |
| 02/26/2004 | DE10241563B3 Lighting supply circuit with continuous current circuit connected to emergency lighting lamps and switched current circuit connected to remaining lamps |
| 02/25/2004 | EP1391974A1 Power control apparatus for a bicycle |
| 02/24/2004 | US6697955 Method and apparatus for using an energy reserve to provide voltage to a power factor correction circuit in the event of a power interuption |
| 02/19/2004 | WO2004014701A1 Device and method for the redundant voltage supply of safety-relevant systems |
| 02/19/2004 | WO2004004852A8 Gaming machine power fail enhancement |
| 02/19/2004 | WO2003098770A3 Hybrid power system for continuous reliable power at remote locations |
| 02/19/2004 | WO2002097946A8 Back-up power system |
| 02/19/2004 | US20040032168 System and method for power management in a computer system having multiple power grids |
| 02/19/2004 | DE4343074B4 Schaltungsanordnung zur unterbrechungsfreien Stromversorgung von elektronischen Schaltungen Circuit arrangement for uninterruptible power supply of electronic circuits |
| 02/18/2004 | EP1226643B1 Integrated flywheel uninterruptible power supply system |
| 02/18/2004 | CN2604020Y Multifunctional emergency power supply |
| 02/18/2004 | CN1476141A Battery power supply device |
| 02/17/2004 | US6693851 Electronic device and control method for electronic device |
| 02/17/2004 | US6693810 Power supply and battery back-up system for telecommunications systems |
| 02/17/2004 | US6693409 Control system for a power converter and method of controlling operation of a power converter |
| 02/17/2004 | US6693371 Integrated uninterruptible power supply enclosure |
| 02/12/2004 | WO2004012964A1 Vehicle power source device and vehicle using the power source device |
| 02/12/2004 | US20040027839 Power converter system |
| 02/12/2004 | US20040027751 System and method of testing connectivity between a main power supply and a standby power supply |
| 02/12/2004 | US20040027099 Power supply |
| 02/11/2004 | EP1185439B1 Energy supply system for a safety critical brake- or steering-system in a motor vehicle |
| 02/10/2004 | US6691248 Method and apparatus for controlling supply of power, and storage medium |
| 02/05/2004 | WO2004012320A2 Uninterruptible power supply apparatus and method |
| 02/05/2004 | WO2003077398A3 Separate network and method for operating a separate network |
| 02/05/2004 | US20040022079 Active backup power supply with power factor correction and output voltage regulation |
| 02/05/2004 | DE10226755A1 Controlling energy supply for large sports facilities involves using predictions, resource planning for load balancing before cost-optimized connection of external supplies according to energy type |
| 02/04/2004 | EP1386325A1 Device for emergency power supply to auxiliary components of a nuclear power plant and use method |
| 02/04/2004 | CN2602337Y Multipath interface controller for theodolite |
| 02/04/2004 | CN1472864A Power supply switching circuit for detection |