| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 06/02/2011 | US20110127835 Battery pack and uninterruptible power supply having the same |
| 06/01/2011 | EP2328260A1 Energy-saving control circuit |
| 06/01/2011 | EP2327134A1 Methods and systems for distributing load transfers in power supply systems |
| 06/01/2011 | EP2327133A2 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect |
| 06/01/2011 | CN201854474U Wind, light and commercial power complementary controller |
| 06/01/2011 | CN201854093U Multi-functional automotive starting power supply unit |
| 06/01/2011 | CN201854084U Vehicle-mounted electric appliance protective circuit |
| 06/01/2011 | CN201854083U Double-way alternating current (AC) power supply automatic switching circuit |
| 06/01/2011 | CN201854082U Novel automatic switching relay protection device of backup power supply |
| 06/01/2011 | CN201854081U Automatic standby power supply switching device for three power supplies |
| 06/01/2011 | CN201854080U Contactless intelligent compensating ultralow power consumption uninterrupted power supply (UPS) |
| 06/01/2011 | CN201854079U Automatic power-supply control device of solar-energy and commercial-power complemented streetlamp |
| 06/01/2011 | CN201854078U Power supply device for live-saving capsule |
| 06/01/2011 | CN201854077U Relay board with double power supplies |
| 06/01/2011 | CN201854058U Indoor energy-saving power supply unit integrated with renewable energy |
| 06/01/2011 | CN102082495A Power supply unit provided with ac/dc input voltage detection and power supply system incorporating same |
| 06/01/2011 | CN102082463A Method for realizing redundancy of 4-20-mA current output in distributed control system (DCS) and circuit |
| 06/01/2011 | CN102082462A Photovoltaic UPS system and control method |
| 06/01/2011 | CN102082461A Power supply switching device and method as well as projection device applying power supply switching device |
| 06/01/2011 | CN102082460A CPCI (compact peripheral component interconnect) power unit and system |
| 06/01/2011 | CN102082454A Based-battery power supply unit and power supply control method |
| 05/31/2011 | US7952232 Wind turbine energy storage and frequency control |
| 05/26/2011 | US20110121665 Power supply apparatus |
| 05/26/2011 | US20110121654 Remote switch sensing in lighting devices |
| 05/26/2011 | US20110121653 Parallel powering of portable electrical devices |
| 05/26/2011 | DE102009044593A1 Betriebssteuergerät zum Betreiben eines Leuchtmittels An operation control device for operating a fluorescent material |
| 05/25/2011 | EP2326147A2 Operating control device for operating a light |
| 05/25/2011 | EP2324548A1 Reversal connection protection circuit |
| 05/25/2011 | EP2057872B1 A device for supplying electrical power and cooled air |
| 05/25/2011 | CN201846305U Frequency conversion energy saver of three-phase injection molding machine |
| 05/25/2011 | CN201846131U Automatic switching device for photovoltaic power source and switching power source |
| 05/25/2011 | CN201846130U Industrial personal computer with battery switching function |
| 05/25/2011 | CN201846129U Passive optical network (PON) remote device floating charge power supply |
| 05/25/2011 | CN201846128U Automatic dehumidification type EPS (Electric Power Storage) power supply |
| 05/25/2011 | CN201846127U Programmable switching system for alternating current power supply in transformer substation |
| 05/25/2011 | CN201846126U Double-source change-over intelligent controller |
| 05/25/2011 | CN201846125U Control system of automobile power |
| 05/25/2011 | CN201846124U Electricity meter and power supply circuit of electricity meter |
| 05/25/2011 | CN201846123U Frequency changer with emergency power supply module |
| 05/25/2011 | CN201845561U Solar multifunctional music player |
| 05/25/2011 | CN201844352U Streetlight system with solar energy and wind energy off-grid centralized power supply |
| 05/25/2011 | CN201844351U Remote power supply LED (light-emitting diode) road lighting system |
| 05/25/2011 | CN201844338U Colorful landscape street lamp |
| 05/25/2011 | CN201839921U 伞 Umbrella |
| 05/25/2011 | CN102075008A Electro-mechanical mixed voltage sag compensation device |
| 05/25/2011 | CN102075007A Switching switch device |
| 05/25/2011 | CN102075006A Village supercharger |
| 05/25/2011 | CN102075005A Processing method for 110KV zone automatic standby power switching action on basis of EMS (Engine Management System) system |
| 05/25/2011 | CN102075004A Battery protection device and method of direct-current (DC) power supply |
| 05/25/2011 | CN102075003A UPS intelligent power supply system for shielding door of subway platform |
| 05/25/2011 | CN102075002A Dual power supply circuit |
| 05/25/2011 | CN102075001A Intelligent incoming line backup power automatic switching method and device suitable for areas with abundant small hydroelectric stations |
| 05/25/2011 | CN102075000A Automatic control method for high-reliability power supply system with set of spare circuit |
| 05/25/2011 | CN102074999A Emergency power supply system for elevator |
| 05/25/2011 | CN102074998A Protection circuit and Ethernet electrical equipment |
| 05/25/2011 | CN102074997A Emergency power supply energy management system of fuel battery and storage battery |
| 05/25/2011 | CN102074996A Voltage shock avoiding circuit |
| 05/25/2011 | CN102074995A Power supply device for rescue capsule |
| 05/25/2011 | CN102074981A Photovoltaic-vibrational energy based power supply system for wireless sensor network nodes |
| 05/25/2011 | CN102074953A Double-purpose micro-grid system structure used for power supply and experiment |
| 05/25/2011 | CN102074952A Independent micro-grid system |
| 05/25/2011 | CN102072997A Spare automatic switching logic test method for checking main transformer mutual switching mode |
| 05/25/2011 | CN102069726A Vehicle-mounted power system for low and medium-speed maglev train |
| 05/25/2011 | CN101556465B Intelligent electrical controller |
| 05/25/2011 | CN101442217B Method for controlling communication power supply |
| 05/25/2011 | CN101385217B Batteryless starter for ups |
| 05/25/2011 | CN101053138B Method and apparatus for providing uninterruptible power |
| 05/24/2011 | US7948778 Self-testing power supply apparatus, methods and computer program products |
| 05/24/2011 | US7948118 Uninterruptible power supply and method for implementing said power supply |
| 05/24/2011 | US7948117 Transfer switch controller employing active inductive load control and transfer switch including the same |
| 05/19/2011 | US20110115296 Standy power reduction |
| 05/19/2011 | US20110115295 Energy management system and grid-connected energy storage system including the energy management system |
| 05/19/2011 | US20110115291 Redundant power system switch for backup power switching without power interruption |
| 05/19/2011 | CA2719403A1 Standby power reduction |
| 05/18/2011 | EP2323240A1 LED driver circuit |
| 05/18/2011 | CN201839498U Inductive fluorescent lighting fixture |
| 05/18/2011 | CN201839195U AC-DC dual-purpose high-voltage DC power supply system |
| 05/18/2011 | CN201839071U Double-power supply automatic switching control device for electric welding machine |
| 05/18/2011 | CN201839070U Dual-circuit automatic switchover breakpoint-free power system |
| 05/18/2011 | CN201839069U Multi-channel intermittent power supply |
| 05/18/2011 | CN201839068U Standby power supply switching device for generator |
| 05/18/2011 | CN201839067U Emergency power supply device of gas top pressure emergency fire-fighting water-supplying equipment |
| 05/18/2011 | CN201839066U Automatic alternating current supply switchover device in direct current system based on controlling of single chip computer |
| 05/18/2011 | CN201839065U Power distribution system of large automatic control system |
| 05/18/2011 | CN201839064U Dual-power switching device |
| 05/18/2011 | CN201839063U Transmission frequency-conversion backup control system used for roller kiln |
| 05/18/2011 | CN201839062U Multipath power supply device for control power supply of high-tension frequency converter power unit |
| 05/18/2011 | CN201839061U Emergency power supply of fluorescent lamp |
| 05/18/2011 | CN201839060U Automatic emergency power supply |
| 05/18/2011 | CN201839059U Automatic combination device for negative 48V communication power supply |
| 05/18/2011 | CN201839058U Uninterruptable power supply |
| 05/18/2011 | CN201838298U Two-backup circuit and two-backup system of LED display screen power supply |
| 05/18/2011 | CN201837855U Solar horologe |
| 05/18/2011 | CN201835963U Combustion and emergency starting system of split auxiliary power supply |
| 05/18/2011 | CN102065206A Set top box capable of switching power automatically and interface type set top box |
| 05/18/2011 | CN102064720A Automatic energy obtaining power supply with online monitoring function |
| 05/18/2011 | CN102064601A Double-power supply automatic switching device of pole top switch |
| 05/18/2011 | CN102064600A Tristable differential permanent magnetic operating mechanism |
| 05/18/2011 | CN102064599A Method for controlling mutual-control spare power automatic switching device based on two substations and three wires |
| 05/18/2011 | CN102064598A Uninterrupted switching device for DC power supply in transformer substation |