Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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08/30/2007 | WO2007097314A1 Emergency power supply system using fuel cell |
08/30/2007 | US20070200434 Battery communication system |
08/30/2007 | US20070200433 Consumer-sited power management system and method |
08/29/2007 | CN101026314A Power supply module identifying method |
08/29/2007 | CN100334525C USB power switch control circuit for mainboard |
08/28/2007 | US7262520 Robust power distribution systems and methods |
08/23/2007 | US20070194722 Maintenance free emergency lighting |
08/23/2007 | US20070194624 System for the supply of electrical energy in a motor vehicle |
08/23/2007 | DE102007005352A1 Generatorsysteme und entsprechende Verfahren Generator system and corresponding method |
08/22/2007 | CN2938531Y Double-power supply switch over device |
08/22/2007 | CN2938530Y Air-cooled control cabinet of converting station |
08/22/2007 | CN2938529Y Automatic change-over switch electrical equipment with overcurrent, short-circuit detection function |
08/21/2007 | US7259481 Automatic transfer switch capable of receiving input power having voltage within a wide range |
08/21/2007 | US7259477 Uninterruptible power supply |
08/21/2007 | US7259475 Uninterruptible power supply for the backup of AC-power supply |
08/16/2007 | DE102005054806B3 Method of testing the control loop of a voltage transformer for a non-earthed alternating voltage network |
08/15/2007 | EP1819033A1 Ac power supplying system, power supply apparatus, and vehicle having the same |
08/15/2007 | EP1819028A2 Redundant fieldbus system |
08/15/2007 | EP1819027A2 Energy saving apparatus and method |
08/15/2007 | CN2935596Y 复合备援式电源供应系统 Composite Redundant Power Supply System |
08/15/2007 | CN2935593Y Backup battery supercharging and automation start device |
08/15/2007 | CN2935579Y Self-heat radiation circuit structure |
08/15/2007 | CN1332491C A novel energy-saving elevator |
08/14/2007 | US7256506 Backup power hierarchy for a facility system |
08/09/2007 | WO2007087756A1 A capacitor-switched power supply with low power loss standby function |
08/08/2007 | EP0900465B1 Switched capacitor system for automatic battery equalization |
08/08/2007 | CN2932804Y A highly reliable energy-saving lighting system |
08/08/2007 | CN2932798Y Automatic switching device of backup power supply of traffic lights |
08/08/2007 | CN1331293C Single-plate power-supply system |
08/08/2007 | CN101013825A Method and apparatus for controlling PC automatic change-over and controller thereof |
08/08/2007 | CN101013824A Automatic change-over control circuit of terminal duplicate supply |
08/08/2007 | CN101013823A Apparatus for synchronizing uninterruptible power supplies |
08/07/2007 | US7254465 No-break-power-transfer control system for variable frequency electrical power systems |
08/07/2007 | US7253538 Method of supplying electric power from shore to ship and system thereof |
08/02/2007 | WO2007086271A1 Automobile |
08/02/2007 | WO2007085495A1 Uninterrupted power supply |
08/02/2007 | US20070179808 Method and apparatus for medical covering group processing, review, and management |
08/01/2007 | EP1814014A1 Multifunctional portable charger |
08/01/2007 | EP1812862A1 Battery backed service indicator aids for field maintenance |
08/01/2007 | CN2930064Y Power cut-off protector for tax control electronic cash register |
08/01/2007 | CN2930061Y UPS for industrial driving |
08/01/2007 | CN2930055Y 400HZ medium frequency uninterrupted power source |
08/01/2007 | CN1330074C Method and device for backing up secondary power source |
08/01/2007 | CN1330070C Power management wake-up circuit, method and apparatus |
08/01/2007 | CN1329221C Auxiliary power supply for vehicle |
08/01/2007 | CN101009438A Recognition device of standby power supply system |
07/26/2007 | WO2006128008A3 Hybrid uninterruptible power supply system |
07/26/2007 | US20070170783 Cost optimized redundant power supply with dual AC inputs |
07/26/2007 | DE202006009574U1 Notsteuerungsanlage Notsteuerungsanlage |
07/25/2007 | EP1593188B1 Device for supplying power to a two-voltage vehicle electric system |
07/25/2007 | CN1328837C Power supply monitoring method for tax control machine |
07/25/2007 | CN101005213A Spare power supply system |
07/25/2007 | CN101005211A High frequency emergency power system |
07/24/2007 | US7247955 PWM power supplies using controlled feedback timing and methods of operating same |
07/24/2007 | CA2466162C Dual input ac/dc/battery operated power supply |
07/19/2007 | US20070164613 Power supply apparatus |
07/18/2007 | EP1547231A4 Power conversion in variable load applications |
07/18/2007 | CN2924891Y AC-DC power supply device |
07/18/2007 | CN2924860Y Rechargeable electric lamp |
07/18/2007 | CN1327590C Static switch device for realizing uninterrupted power supply system switching control |
07/18/2007 | CN1327589C Electric supply recovery self-starting device of UPS system |
07/18/2007 | CN101001051A Output-less transistor UPS |
07/18/2007 | CN101001026A Abnormal processing method of emergency power supply system and device for implementing the method |
07/17/2007 | US7245469 DC backup power supply device and method for diagnosing the same |
07/17/2007 | US7244524 Method and system for balanced control of backup power |
07/17/2007 | CA2307557C Power switching method for marine seismic acquisition systems |
07/12/2007 | WO2007078259A1 A power supply with reduced power losses during standby mode |
07/12/2007 | WO2007077043A1 Backup power system |
07/12/2007 | WO2007076628A1 Integrated uninterrupted power supply unit |
07/12/2007 | DE102005047686A1 Vorrichtung zur redundanten Energieversorgung wenigstens einer Last Apparatus for redundant power supply at least one load |
07/11/2007 | EP1806820A1 Uninterruptible power supply |
07/11/2007 | EP1806819A1 Backup power system |
07/11/2007 | CN2922243Y Domestic electronic type electricity-saving device |
07/11/2007 | CN1994780A Anti-interference power supply system of unmanned electric automobile |
07/11/2007 | CN1325022C Laser imaging apparatus using biomedical markes that bind to cancer cells |
07/10/2007 | US7243261 Supply control apparatus and power supply control method |
07/10/2007 | US7240653 System for assisting a main engine start-up |
07/05/2007 | US20070152507 Uninterruptible power supply |
07/05/2007 | US20070152506 Telecommunications megasite with backup power system |
07/05/2007 | DE19542085B4 Sicherheitseinrichtung für Fahrzeuginsassen Safety device for vehicle occupants |
07/05/2007 | DE10296400B4 Aufwecksystem für auf einem Fahrzeug unterstützte elektronische Komponenten Aufwecksystem on a vehicle for supporting electronic components |
07/04/2007 | EP1802482A1 Intelligent security connection device |
07/04/2007 | CN2919645Y Electricity supplying and distribution equipment specially for elevator |
07/04/2007 | CN2919002Y Emergency lighting energy-saving lamp |
07/04/2007 | CN1324781C Spare electric power supplying system of zero interrupt converting time |
07/03/2007 | USRE39710 System for providing assured power to a critical load |
07/03/2007 | US7239045 Power distribution system and control system for same |
07/03/2007 | US7239043 Power conversion apparatus and methods using an adaptive waveform reference |
07/03/2007 | CA2430085C Automatic detecting and switching vehicle charger |
06/28/2007 | US20070145829 Voltage regulating circuit for uninterruptible power supply |
06/28/2007 | US20070145828 Smart power switch for broadband communications network |
06/28/2007 | DE102005061830B3 Backup circuit, e.g. for consumer units like electronic memory elements and timers, has a transistor and a charge-coupled memory device to connect into a reference potential/voltage |
06/27/2007 | EP1800393A2 Automotive electrical system configuration using a two bus structure |
06/27/2007 | EP1800382A2 Method and apparatus for providing uninterruptible power |
06/27/2007 | CN2917066Y Power-off protection and super-capacitance charging/discharging protector for tax control equipment |
06/27/2007 | CN2917065Y Double battery switching device |
06/27/2007 | CN2917060Y WLED lamp for uninterrupted mining shaft lighting |
06/27/2007 | CN1989676A System and method for reducing standby power consumption |
06/27/2007 | CN1988322A Device for automatic put-in spair power source |
06/27/2007 | CN1988321A Electronic control device using solar energy |