| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/21/2008 | WO2008019618A1 Illuminant device |
| 02/21/2008 | US20080042617 Electronic battery module (EBM) with bidirectional DC-DC converter |
| 02/21/2008 | US20080042493 Battery controller and method for controlling a battery |
| 02/21/2008 | US20080042492 Electric power distribution and backup power supply system |
| 02/21/2008 | US20080042491 Uninterruptible power supply |
| 02/20/2008 | EP1890371A1 UPS system configuration comprising parallel modules being independent of each other |
| 02/20/2008 | CN201025680Y A dual power switching circuit |
| 02/20/2008 | CN201025679Y Two resource configuration device between two independent distribution rooms |
| 02/20/2008 | CN201025205Y Assisted start device for car |
| 02/20/2008 | CN101127453A A D-UPS power supply system for IDC computer room |
| 02/20/2008 | CN100370675C Starting method for power converter |
| 02/19/2008 | US7334139 Power supply control apparatus, power supply control system, and administration apparatus |
| 02/19/2008 | US7333314 Power controller, power control method, information processor, and power control program |
| 02/19/2008 | US7332833 Switching circuit for master-slave feeding mode of low voltage power supply |
| 02/19/2008 | US7332828 Causing operation of load in alternate, reduced peak power mode |
| 02/14/2008 | US20080036298 Backup Electrical Power System for Solid-State Aircraft Power Distribution Systems |
| 02/13/2008 | CN201022154Y End dual-power automatic conversion switch control circuit |
| 02/13/2008 | CN101123368A Standby power supply apparatus |
| 02/13/2008 | CN101123367A Control method for uninterrupted power supplier |
| 02/12/2008 | US7330990 Information processing apparatus and method, and computer-readable medium |
| 02/12/2008 | US7330016 Induction generator power supply |
| 02/07/2008 | WO2008015502A1 Bilaterlal uninterruptable power supply (ups) unit |
| 02/07/2008 | US20080032565 Power terminal block |
| 02/07/2008 | US20080030078 Data Center Uninterruptible Power Distribution Architecture |
| 02/07/2008 | DE19935754B4 Verfahren zur Steuerung einer Notstromversorgung A method for controlling an emergency power supply |
| 02/06/2008 | EP1885040A2 An emergency power supply apparatus |
| 02/06/2008 | EP1885039A2 Emergency lighting system |
| 02/06/2008 | EP1884009A1 Uninterruptible power source for a barrier operator and related methods |
| 02/06/2008 | CN201018693Y Uninterruption LED emergency lighting light |
| 02/06/2008 | CN201018315Y Generating set auto-switch and electronic speed controller |
| 02/06/2008 | CN201018314Y Microcomputer type auto-switch-on device |
| 02/06/2008 | CN201018255Y Intelligent lightning protection device |
| 02/06/2008 | CN201017764Y Electronic high voltage current mutual inductor |
| 02/06/2008 | CN101119038A System and method for using proton exchanging film fuel battery as emergency power supply of transforming plant |
| 02/06/2008 | CN101119037A Equalizer circuit for backup power supply |
| 02/06/2008 | CN101118459A Electric power switching mechanism of crowd together computer and method |
| 02/06/2008 | CN100367623C Electrical system for a ship |
| 02/06/2008 | CN100367344C Display and power-saving controller |
| 02/06/2008 | CN100366809C Nonwoven fabric of multi-length, multi-denier fibers and absorbent article formed therefrom |
| 01/31/2008 | WO2008014170A2 Efficient auxiliary power supply |
| 01/31/2008 | US20080024008 Household self-contained power supply |
| 01/31/2008 | DE102006033956A1 Communication device emergency power supply method, involves providing emergency energy storage, particularly in addition to power supply, in communication device for normal communication |
| 01/30/2008 | CN201015162Y Switch base with emergency lighting lamp |
| 01/30/2008 | CN100365912C Automatic input device and control method for emergency power supply of bus for middle-low voltage section factory |
| 01/30/2008 | CN100365908C 电源适配器和电源系统 Power adapter and power systems |
| 01/24/2008 | WO2008011215A2 Low-voltage lighting apparatus |
| 01/24/2008 | DE10244608B4 Stromversorgungsanlage mit Ladeschutzeinrichtung für eine Notstrom-Batterie Power supply unit with charging protection device for an emergency battery |
| 01/23/2008 | EP1880460A2 Uninterrupted power supply circuit |
| 01/23/2008 | EP1879824A1 Elevator system |
| 01/22/2008 | US7321174 Apparatus, system, and method for maximizing power system holdup time during loss of input power |
| 01/22/2008 | CA2469309C Power supply system and electronic device comprising the same |
| 01/22/2008 | CA2275041C Method and apparatus of extending useful life of a cordless telephone during a power outage condition |
| 01/17/2008 | WO2008006643A1 Generator apparatus with active load dump protection |
| 01/17/2008 | WO2008006301A1 A power supply device for a high-temperature electric balancer of rotary kiln flue with a waster heat boiler |
| 01/17/2008 | US20080012427 Power converter with integral battery |
| 01/17/2008 | US20080012426 Method of controlling an uninterruptible power supply apparatus |
| 01/17/2008 | CA2657770A1 Power converter with integral battery |
| 01/16/2008 | EP1879287A1 Portable three-phase power supply unit |
| 01/16/2008 | CN201008099Y Massage chair with standby power |
| 01/10/2008 | DE202007014424U1 Stromspeicheranlage Power storage system |
| 01/09/2008 | CN201004601Y AC and DC mutual backup redundant power supply |
| 01/09/2008 | CN201004563Y Parallel connection control device for sine wave reverse converter |
| 01/09/2008 | CN201004555Y Individual control circuit for multiple power outputs |
| 01/09/2008 | CN201002581Y Vehicle anti-theft wireless alarm |
| 01/09/2008 | CN100361367C Emergency power supply |
| 01/09/2008 | CN100361366C Power source device |
| 01/09/2008 | CN100361361C Intelligent railway signal power source switching module |
| 01/03/2008 | WO2008002223A1 Power compensator and method for providing a black start with that compensator |
| 01/03/2008 | DE102006027224B3 Windenergieanlage mit einer autarken Energieversorgung für eine Blattverstelleinrichtung Wind turbine with a self-sufficient energy supply for a blade adjustment |
| 01/02/2008 | EP1873896A2 Electrical conversion device, converter and uninterruptible power supply comprising such a device |
| 01/02/2008 | EP1872460A2 Uninterruptible power supply with additional feeding |
| 01/02/2008 | EP1872453A2 Method and apparatus for providing uninterruptible power |
| 01/02/2008 | EP1482621B1 Uninterruptive power source apparatus |
| 01/02/2008 | EP1373045B1 Electric load management center |
| 01/02/2008 | EP1338075B9 Multi-functional ac/dc converter |
| 01/02/2008 | CN101098080A Method for managing electric quantity of electric power source and replacing battery in hot pluggable condition for portable electronic equipments |
| 01/02/2008 | CN101097479A Reserve source of electrical power supply device, desk computer and data protection method thereof |
| 01/02/2008 | CN100359782C Rectifier utilizing a grounded antenna |
| 01/02/2008 | CN100359777C Control circuit of electric power output mode and its control method |
| 01/02/2008 | CN100359529C Method for controlling the charging and discharging phases of a backup capacitor |
| 01/01/2008 | US7315148 Method and apparatus for conserving battery for operation of a low intensity optical communication probe |
| 12/28/2007 | CA2592836A1 Barrier movement operator battery backup and power equipment battery charging center |
| 12/27/2007 | WO2007148177A1 Apparatus for controlling the switching on/off of a power unit |
| 12/27/2007 | WO2006093862A3 Uninterruptible power supply and method for supplying uninterruptible power to a load |
| 12/26/2007 | CN200997536Y Automatic double power-supply converting switch |
| 12/26/2007 | CN200997535Y Vehicle power-supply moniter |
| 12/26/2007 | CN200997534Y Switching controller |
| 12/26/2007 | CN101093943A Power feeding equipment in high voltage / supervltage transmission system |
| 12/26/2007 | CN100358217C Switching circuit for low voltage power supply in master-slave power supply mode |
| 12/26/2007 | CN100358216C Uninterruptible power supply device |
| 12/25/2007 | US7312539 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system |
| 12/21/2007 | CA2654193A1 Method and apparatus for predicting end of battery life |
| 12/20/2007 | US20070291519 Dual input, hot swappable dual redundant, enhanced N‘AC to DC power system |
| 12/20/2007 | DE202007013852U1 Anordnung zur Steuerung des Ein- und Ausschaltens einer Stromversorgung Arrangement for controlling the turning on and off a power supply |
| 12/20/2007 | DE10316008B4 Verfahren und Vorrichtung zur sicheren Notbeleuchtung von Tunneln Method and apparatus for safe emergency lighting of tunnels |
| 12/19/2007 | EP1868276A1 Circuit for an electric appliance |
| 12/19/2007 | CN200994083Y Distribution device for electric power storage equipment |
| 12/19/2007 | CN200994082Y Inverting power supply and fuel generator automatic switching circuit |
| 12/19/2007 | CN200994081Y Driving motor power adjustable automatic change-over switch |
| 12/19/2007 | CN200994080Y Fast dual-power switcher |