Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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07/28/2004 | EP1440502A1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter |
07/28/2004 | CN1159826C Automatic control device for diplex diplex power change-over switch |
07/27/2004 | US6768225 Multiple power sources control system |
07/27/2004 | US6768224 Power supply system |
07/27/2004 | US6768223 Apparatus and method for rapid fault detection and transfer in a utility-interactive uninterruptible power supply |
07/22/2004 | US20040140777 Minimizing standby power in a digital addressable lighting interface |
07/22/2004 | US20040140719 Smooth voltage regulation transition circuit having fast recovery |
07/22/2004 | US20040140718 Power converter system |
07/22/2004 | DE19913131B4 Stromversorgungssystem mit zwei Batterien unterschiedlicher Spannung Power supply system with two different voltage batteries |
07/22/2004 | DE10312553B3 Automobile with several control devices switched between active and inactive conditions and central monitoring control device providing watch-dog function |
07/22/2004 | DE10257960A1 Verfahren und Vorrichtung zur überwachung von Wasseraufbereitungsanlagen Method and apparatus for monitoring of water treatment plants |
07/21/2004 | EP1439625A1 Off mode for device |
07/21/2004 | CN2627698Y Double-distribution electrical power control unit |
07/20/2004 | US6765369 Apparatus and method for managing power of a battery |
07/20/2004 | US6765368 Electrical energy apparatuses, electrical energy conditioning circuits, and electrical supply methods |
07/20/2004 | US6765314 Power management system associated with semiconductor manufacturing facilities |
07/20/2004 | US6764785 Methods of using fuel cell system configured to provide power to one or more loads |
07/15/2004 | US20040139360 Off mode for device |
07/15/2004 | US20040135609 Circuit and method for inputting a start signal for a controller |
07/15/2004 | US20040135569 Power controlling system |
07/15/2004 | US20040135551 Method and system for charging a NiMH or NiCd battery |
07/15/2004 | DE10256473A1 Voltage supply device for remote control unit e.g. for motor vehicle doors and valves, includes connecting device connected into circuit between an electrical blocking state and an electrical conducting state |
07/14/2004 | EP1276643B1 Fault tolerant air bag bus system without transformer |
07/14/2004 | CN1513224A Power supply architecture with controlled power-on and power-off sequence |
07/14/2004 | CN1512294A Electronic device, electronic device system and working model switching method |
07/14/2004 | CN1157836C Electric-power supply method and power-supply controlling information processing apparatus |
07/13/2004 | US6762595 Power distribution system |
07/13/2004 | US6762591 System and method of forming capacitor-based electrical energy storage modules |
07/13/2004 | US6762570 Minimizing standby power in a digital addressable lighting interface |
07/08/2004 | WO2004047262A8 Rectifier-super capacitor device for use in a power system for a telecommunication facility |
07/08/2004 | WO2004047206A3 Proton exchange membrane based power system for a telecommunication facility |
07/08/2004 | US20040130453 Traffic controller emergency power supply |
07/08/2004 | US20040130387 Logic circuitry with reduced standby leakage using charge pumped switches |
07/08/2004 | US20040128999 Method of and apparatus for producing uninterruptible power |
07/08/2004 | DE202004004890U1 Adaptor with auxiliary direct current (DC) and alternating current (AC), typically incorporated in computer for current supply both to computer and monitor at mains interruption |
07/07/2004 | EP1435122A2 Method and system for controlling and recovering short duration bridge power to maximize backup power |
07/07/2004 | CN2624497Y Multifunctional EPS power supply for power equipment and production line |
07/06/2004 | US6759831 Power supply disabler |
07/06/2004 | US6759760 Method to eliminate shipping fuse handling |
07/01/2004 | US20040125626 Uninterruptible power system |
07/01/2004 | US20040124821 Power holdup circuit |
07/01/2004 | US20040124812 Distributed resource (DR) stabilization control for microgrid applications |
07/01/2004 | US20040124711 Mobile power system |
07/01/2004 | US20040124710 Electrial power controller |
07/01/2004 | US20040124709 Uninterruptible DC power supply for equipment associated with a mobile site |
07/01/2004 | DE10057113B4 Energieversorgungsanordnung für Rauch- und Wärmeabzugsanlagen mit elektrischen Antrieben Energy supply arrangement for smoke and heat extraction systems with electric drives |
06/30/2004 | EP1434329A2 Electronic apparatus, electronic apparatus system, and operation mode switching method |
06/30/2004 | EP1433513A2 Method and device for monitoring a water treatment unit |
06/30/2004 | CN1508937A Fault current-limiting device for transmission and distribution electric network |
06/29/2004 | US6756894 Remote monitoring system for uninterruptible power supply |
06/29/2004 | US6756736 Remote control test apparatus |
06/24/2004 | WO2004054065A1 Uninterruptable power supply and generator system |
06/24/2004 | US20040120088 Intelligent electronic device protection circuit |
06/24/2004 | US20040119341 Battery backup method and system |
06/24/2004 | CA2508728A1 Uninterruptable power supply and generator system |
06/23/2004 | EP1430584A1 Wireless emergency lighting system |
06/23/2004 | CN1507632A Device for emergency power supply to auxiliary components of a nuclear power plant and use method |
06/22/2004 | US6754602 Wireless emergency lighting system |
06/22/2004 | US6753651 Emergency ballast with battery heater |
06/22/2004 | US6753622 Uninterruptible power supply systems and methods using rectified AC with current control |
06/22/2004 | CA2130235C Electrical power supply |
06/17/2004 | WO2004051830A2 Stand-by power supply shutdown at power on |
06/17/2004 | WO2004051823A1 Mobile electric supply unit comprising an autonomous capacitor |
06/17/2004 | US20040117077 Electrical system for a ship |
06/17/2004 | US20040112320 Motor vehicle electric system |
06/16/2004 | CN1505238A Circuit for preventing DC power supply voltage drop |
06/16/2004 | CN1505237A Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/16/2004 | CN1505236A 通用电池充电器 Universal Battery Charger |
06/16/2004 | CN1505233A Intelligent uninterrupted power source |
06/15/2004 | US6751109 Dual input AC/DC/ battery operated power supply |
06/10/2004 | WO2004049551A1 Power supply circuit of a high speed electric motor |
06/10/2004 | WO2004049089A2 Method for reducing the current consumption of a microprocessor provided with a watchdog circuit |
06/10/2004 | WO2004025799A3 System for providing backup power from a regenerative fuel cell or battery arrangement |
06/10/2004 | US20040108884 Semiconductor integrated circuit with sleep memory |
06/10/2004 | US20040108839 Electrical energy apparatuses, electrical energy conditioning circuits, and electrical energy supply methods |
06/10/2004 | US20040108836 Uniterruptible power supply and its starting method |
06/10/2004 | US20040108834 Universal battery charger |
06/10/2004 | CA2506898A1 Power supply circuit of a high speed electric motor |
06/09/2004 | EP1426307A1 Power generation system having an external process module |
06/09/2004 | DE10255432A1 Mobile Stromversorgungseinheit Mobile power supply unit |
06/09/2004 | DE10255430A1 Verfahren zur Reduzierung des Stromverbrauchs eines Mikroprozessors mit Watchdog-Schaltung A method for reducing the power consumption of a microprocessor with watchdog circuit |
06/09/2004 | CN1153331C Power factor corrector circuit for UPS |
06/09/2004 | CN1153328C UPS capable of improving system parallel current equalizing |
06/08/2004 | US6747371 Method of regulating power consumption by electronic equipment containing integral rechargeable backup batteries and used in systems where the equipment operates from a vehicle engine battery and the like, and improved apparatus therefor |
06/08/2004 | US6747370 High-temperature secondary battery based energy storage and power compensation system |
06/08/2004 | US6747369 Power system including redundant power supplies |
06/08/2004 | US6747368 Wireless control of power transfer switches for electrical load management |
06/08/2004 | US6747246 Integrated mobile tool and welder power supply system |
06/08/2004 | US6746790 Power system including heat removal unit for providing backup power to one or more loads |
06/03/2004 | WO2004047262A2 Rectifier-super capacitor device for use in a power system for a telecommunication facility |
06/03/2004 | WO2004047250A2 Power system for a telecommunication facility |
06/03/2004 | WO2004047206A2 Proton exchange membrane based power system for a telecommunication facility |
06/03/2004 | US20040107372 Electronic apparatus and method of setting an operation mode of the same |
06/03/2004 | US20040105285 Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/03/2004 | US20040105034 Stand-by power supply shutdown at power on |
06/03/2004 | US20040104709 Power controller, power control method, information processor, and power control program |
06/03/2004 | US20040104577 Power generation system having an external process module |
06/03/2004 | CA2506177A1 Rectifier-super capacitor device for use in a power system for a telecommunication facility |
06/02/2004 | EP1424760A2 Power management system |
06/02/2004 | EP1424758A2 Universal battery charger |