| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 06/25/2009 | WO2009078961A1 Electric system for providing uninterruptible power |
| 06/25/2009 | WO2009078262A1 Battery pack |
| 06/25/2009 | WO2009013591A3 Power systems and methods using an uninterruptible power supply to transition to generator-powered operation |
| 06/25/2009 | US20090164825 Power supply with integrated uninterruptible power control |
| 06/25/2009 | US20090160255 Uninterruptible power supply |
| 06/25/2009 | US20090160254 Systems for and methods of controlling operation of a ups |
| 06/25/2009 | DE102007056618A1 Solar collector plant, has transfer device for transferring direct current produced by sunbeams into alternating current, and alternator and internal combustion engine connected to common shaft of direct current electric motor |
| 06/24/2009 | EP2073341A1 Power saving mechanism in an AC power adaptor |
| 06/24/2009 | CN201263097Y Intelligent automatic changeover switch electric appliance |
| 06/24/2009 | CN101465560A Method for rapidly switching power supply |
| 06/24/2009 | CN101465559A Dual power switching circuit |
| 06/24/2009 | CN100505485C Power conversion apparatus and methods using an adaptive waveform reference |
| 06/24/2009 | CN100505474C Voltage resumption device, public electric power net and its stabilization method, control system |
| 06/23/2009 | US7550877 Electronic apparatus and power supply controlling method |
| 06/23/2009 | US7550874 System and method for a power supply device |
| 06/23/2009 | US7550873 Uninterruptible power supply for home/office networking and communication system |
| 06/23/2009 | US7550872 Current sensor apparatus and method for uninterruptible power supply |
| 06/18/2009 | WO2009075545A2 Device, system and method that decreasing standby power of electronic appliance and receptacle |
| 06/18/2009 | WO2009074856A1 Electric motor drive provided with electric energy accumulation for switch-devices |
| 06/18/2009 | US20090158056 Battery Load Allocation in Parallel-Connected Uninterruptible Power Supply Systems |
| 06/18/2009 | US20090152951 Electric system for providing uninterruptible power |
| 06/18/2009 | DE102007059838A1 Verfahren und Versorgungssystem für den Betrieb von einer Mehrzahl von unabhängigen elektrischen Vorrichtungen sowie elektrische Vorrichtung und Steckadaptersystem Process and supply system for operating a plurality of independent electrical devices and electrical device and plug adapter system |
| 06/18/2009 | CA2708747A1 Device, system and method that decreasing standby power of electronic appliance and receptacle |
| 06/17/2009 | EP2071700A1 Ac-dc conversion device |
| 06/17/2009 | EP2071699A2 Battery load allocation in parallel-connected uninterruptible power supply systems |
| 06/17/2009 | EP2071698A2 Method and supply system for the operation of multiple independent electrical appliances and electrical apparatus and connector adaptor system |
| 06/17/2009 | EP2070179A2 Redundant current supply with diagnostic capability and a suppressor |
| 06/17/2009 | CN101459350A GOOSE mode network standby dispensing method based on digital transmission network |
| 06/17/2009 | CN101459349A Battery load allocation in parallel-connected uninterruptible power supply systems |
| 06/17/2009 | CN100502199C Uninterrupted power supply system |
| 06/16/2009 | US7547990 Backup power system for electrical appliances |
| 06/11/2009 | WO2009073510A2 Source-transfer switching system and method |
| 06/11/2009 | WO2009073280A2 Ir reflecting grating for lamp |
| 06/11/2009 | WO2009071410A1 Circuit configuration for operating a household appliance |
| 06/11/2009 | US20090146497 Smart Power Switch For Broadband Communications Network |
| 06/11/2009 | US20090146496 Temporary Voltage Supply |
| 06/10/2009 | EP2068423A1 An AC power generation system |
| 06/10/2009 | EP2067649A2 Hybrid electric vehicle and control method therefor |
| 06/10/2009 | EP2067235A2 Power supply and electronic ballast with auxiliary protection circuit |
| 06/10/2009 | EP2067232A1 Standby saver |
| 06/10/2009 | DE102007058982A1 Operating device for e.g. gas-discharge lamp in emergency light device, has interface formed as input port, and control unit designed to switch interface such that interface serves for voltage supply for illuminating unit i.e. LED |
| 06/10/2009 | CN101454960A Safety drive for a flap or a valve |
| 06/10/2009 | CN101453135A Experiment apparatus and method for high voltage gradation voltage falling compensation apparatus |
| 06/10/2009 | CN100499348C Power-supply device |
| 06/10/2009 | CN100498651C Power controlling system and method |
| 06/09/2009 | US7545659 Method and apparatus for cycle error correction for a power converter device, such as an electronic power inverter |
| 06/09/2009 | US7545053 Power supply and power supply method upon interruption of electric service |
| 06/04/2009 | WO2009069092A2 Arrangement and approach for coupling power supplies using controlled switching techniques |
| 06/04/2009 | US20090140576 Hybrid power system with variable speed genset |
| 06/04/2009 | US20090139843 Device and method for switching electrical energy |
| 06/04/2009 | DE102008017533B3 Splitter for serial data bus for use in emergency lighting unit has energy source, and connects micro-controller-actuated control data of master connection on two slave connections in intensifying manner |
| 06/04/2009 | DE102004007728B4 Schaltschrank- oder Rackanordnung mit einer Elektrifiziereinrichtung Cabinet or rack layout with an electrifying |
| 06/03/2009 | EP2064797A1 Isolation control high speed transfer switch for uninterruptible power supply, power supply system using the switch and isolation control high speed transfer switching method |
| 06/03/2009 | EP2064796A2 Portable device with priority based power savings control and method thereof |
| 06/03/2009 | CN201252421Y Power automatic switching unit for communication base station |
| 06/03/2009 | CN201252420Y Domestic generator protector |
| 06/03/2009 | CN201252419Y Automatic switching power supply circuit |
| 06/03/2009 | CN101447691A Commutation circuit of external power supply and battery and control method thereof |
| 06/03/2009 | CN101447685A Electronic equipment |
| 06/03/2009 | CA2645405A1 Supercapacitor and charger for secondary power |
| 05/28/2009 | WO2009066921A2 Standby power cut-off switch |
| 05/28/2009 | US20090134704 Electric power-supply apparatus and over-discharge control method for use therewith |
| 05/28/2009 | US20090134703 Apparatus, system, and method for a low cost multiple output redundant power supply |
| 05/28/2009 | US20090134624 Emergency pitch drive unit for a wind turbine |
| 05/28/2009 | DE102008056190A1 Notkondensator für eine kontaktlose Vorrichtung Notkondensator for contactless device |
| 05/28/2009 | DE10022443B4 Notfallmeldegerät für ein Fahrzeug Emergency signaling device for a vehicle |
| 05/27/2009 | EP2063525A1 Electronic control device |
| 05/27/2009 | EP1912305B1 Control method of sodium-sulfur battery |
| 05/27/2009 | CN201247971Y Automatic switching device for standby power supply based on programmable computer controller |
| 05/27/2009 | CN201247773Y Protection circuit for novel power tube |
| 05/27/2009 | CN101442218A Electric power system relay protection and two-way power supply method for control equipment |
| 05/27/2009 | CN101442217A Method for controlling communication power supply |
| 05/27/2009 | CN101442216A Power supply switching device for assisting natural energy resource power supply |
| 05/27/2009 | CN101442193A 10kV looped network type double power supply self-casting power cable tapping-off case |
| 05/27/2009 | CN100492809C Power supply module identifying method |
| 05/26/2009 | US7537167 Modular, portable data processing terminal for use in a radio frequency communication network |
| 05/26/2009 | CA2400762C Emergency current supply equipment for lift installations |
| 05/26/2009 | CA2280378C Arrangements to detect and respond to disturbances in electrical power systems |
| 05/21/2009 | US20090127934 Emergency capacitor for a contactless device |
| 05/21/2009 | US20090127933 Uninterruptible Power Supply With Additional Feeding |
| 05/21/2009 | US20090127932 Intelligent auxiliary power supply system with current and temperature monitoring capabilities |
| 05/21/2009 | US20090127029 Elevator rescue operation control system |
| 05/20/2009 | EP2061130A1 Device for controlling the electric input of a device on-board a vehicle with an internal combustion engine |
| 05/20/2009 | CN201243224Y Special duplicate supply switching electric cabinet for bank business position |
| 05/20/2009 | CN101436788A Black startup method for non standby station service supply hydroelectric station hydro-turbo generator set |
| 05/20/2009 | CN101436787A Method for automatically devoting microcomputer control standby power for enlarging inner bridge wire splice |
| 05/20/2009 | CN101436786A Power supply switching device and network appliance |
| 05/20/2009 | CN101434359A Power supply system of elevator |
| 05/20/2009 | CN100490550C Rural area middle and small size communication transmission base station power supply device |
| 05/19/2009 | US7535196 Power apparatus and electronic equipment for cellular phone having main battery and attachable battery |
| 05/19/2009 | US7535119 Power control apparatus of a complex terminal |
| 05/19/2009 | US7534148 Power terminal block |
| 05/14/2009 | WO2009060619A1 Power supply providing system |
| 05/14/2009 | WO2009059516A1 Device and method for controlling switch of main power supply and backup power supply |
| 05/14/2009 | WO2009013155A3 Method and apparatus for connection of a generator, which is driven by a diesel engine, to an electrical power supply system |
| 05/14/2009 | US20090121546 Electrical emergency source device located on an aircraft |
| 05/14/2009 | DE102007053793A1 Emergency usable operating device i.e. electronic power supply unit, for emergency lighting system, has interface activated for supply of LED operated via direct current voltage supplied to supply input or by inputting command via data line |
| 05/13/2009 | EP2058922A1 Intellectual lamp unit able to be installed on a conventional lamp socket controlled by a wall switch |
| 05/13/2009 | EP2057872A1 A device for supplying electrical power and cooled air |
| 05/13/2009 | CN201238391Y Mobile terminal power supply management circuit and mobile terminal including the same |