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