Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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12/19/2007 | CN200994079Y Automatic converting device of high-voltage variable frequency speed regulating dual-circuit AC power supply |
12/19/2007 | CN200994078Y Multifunctional electric power storage device |
12/19/2007 | CN200994069Y Portable multifunctional variable voltage power supply energy storage supplier |
12/19/2007 | CN200993328Y Domestic time delay emergency lamp |
12/19/2007 | CN101090203A On-line uninterrupted UPS system |
12/13/2007 | WO2007142656A2 Data center uninterruptible power distribution architecture |
12/13/2007 | CA2653778A1 Data center uninterruptible power distribution architecture |
12/12/2007 | CN200990523Y Intelligent gas power generator controller |
12/12/2007 | CN200990516Y Energy standby device |
12/12/2007 | CN200990515Y Uninterruption type power supply device |
12/12/2007 | CN101087072A Dual power switching control device |
12/12/2007 | CN101087071A 电源供应器 Power Supply |
12/12/2007 | CN101087069A An intelligent distributed power supply system with plural distributed power unit |
12/06/2007 | WO2007139388A1 An apparatus for operating controllable installation means |
12/06/2007 | WO2006091565A3 Independent automatic shedding branch circuit breaker |
12/06/2007 | US20070278861 Power supply for real-time clock generation |
12/06/2007 | US20070278860 Distributed power-up |
12/06/2007 | CA2657987A1 An apparatus for operating controllable installation means |
12/06/2007 | CA2590747A1 Battery boosting apparatus and method |
12/05/2007 | CN200987084Y Double power supply automatic switch controller |
12/05/2007 | CN200987076Y Charging emergent sun lamp circuit |
12/05/2007 | CN200985802Y Vacuum duplicate supply wind electric mash gas electric closedown switch |
12/05/2007 | CN101083403A Emergency pitch drive power supply |
12/05/2007 | CN101083400A Power supply device of an electronic device |
12/05/2007 | CN100353642C Method and device of realizing hot plug for power distribution singleboard |
11/29/2007 | WO2007134471A1 Safety drive for a flap or a valve |
11/29/2007 | US20070273213 System and method for responding to abrupt load changes on a power system |
11/29/2007 | US20070273212 Device for supplying uninterruptible power |
11/29/2007 | CA2649884A1 Safety drive for a flap or a valve |
11/28/2007 | EP1859499A1 Fuel cell emergency system |
11/28/2007 | CN200983517Y Dual-power supply automatic switching device |
11/28/2007 | CN200983516Y External start-up power supply for automatic reaction motor |
11/28/2007 | CN200983513Y 智能不间断电源 Intelligent uninterruptible power supply |
11/28/2007 | CN200983470Y Improved small power turning switch structure |
11/28/2007 | CN200981644Y Polling unit electricity supplying device for airfield navigation lamp polling monitoring system |
11/28/2007 | CN200981504Y Control supply unit for motor train unit power vehicle redundancy design |
11/28/2007 | CN101079555A Serial and parallel switching circuit for power detection |
11/28/2007 | CN100352132C Parallel operating system for uninterrupible power units |
11/28/2007 | CN100352131C Power-supply system |
11/28/2007 | CN100352130C Uninterrupted power supply system with network concentrator function |
11/28/2007 | CN100352129C Bread maker and control method thereof |
11/28/2007 | CN100352127C Power apparatus and electronic equipment |
11/28/2007 | CN100351742C Information processing apparatus and method, and computer-readable medium |
11/27/2007 | US7301249 Battery connect/disconnect for an uninterruptible power supply |
11/22/2007 | WO2007132303A1 Wind turbine system with ac servo motor rotor blade pitch control, using super-capacitor energy storage |
11/22/2007 | DE10327585B4 Mobiles elektrisches Stromversorgungssystem mit einem deaktivierbaren Fehlerstromschutz Portable electric power system with a deactuable fault protection |
11/22/2007 | DE102006010714B4 Schaltschrank- oder Rackanordnung Cabinet or rack layout |
11/22/2007 | DE10029465B4 Arbeitsleuchte Work Light |
11/22/2007 | CA2627528A1 Electronic control transformer using dc link voltage |
11/21/2007 | EP1858144A2 Fault tolerant power system architecture for fluid flow measurement systems |
11/21/2007 | EP1858136A1 Method and device for stopping an electric appliance supplied by a plurality of energy sources, appliance equipped with such a device and system comprising such an appliance |
11/21/2007 | CN200979999Y A backup auto-activating device |
11/21/2007 | CN200979998Y An automatically transforming switch without transformation in a short circuit fault |
11/21/2007 | CN200979995Y A direct current non-breaking power supply system used by information network equipment |
11/21/2007 | CN101075780A Method for utilizing 100Hz low-frequency switch power supply as auxiliary power supply |
11/21/2007 | CN101075751A Power supply device, method thereof, and image forming device |
11/21/2007 | CN101075746A Low-consumption uninterrupted power-supply system |
11/21/2007 | CN101075735A Method and device for lightning arresting switch |
11/20/2007 | US7298053 Power system for a telecommunication facility |
11/16/2007 | CA2587988A1 Fault tolerant power system architecture for fluid flow measurement systems |
11/15/2007 | WO2006115549A3 Dc/dc-less coupling of matched batteries to fuel cells |
11/15/2007 | US20070262651 Power supply |
11/15/2007 | US20070262650 Uninterruptible power supply with low power loss |
11/15/2007 | US20070262649 Emergency Electric Power Supply Unit |
11/15/2007 | US20070262648 Fuel cell start-up from a non-powered up condition |
11/14/2007 | EP1374367B1 Uninterruptible power supply systems and methods using rectified ac with current control |
11/14/2007 | CN200976515Y Automatic switching over arrangement for power supply |
11/14/2007 | CN200976514Y Auto-switch controller |
11/14/2007 | CN200976513Y Auto-switch controller for MPU |
11/14/2007 | CN200976512Y PC-stage auto-switch controller having frequency detection |
11/14/2007 | CN200976511Y Auto-switch-on device having pattern recognition function |
11/14/2007 | CN200976509Y Complementary type solar energy uninterruption power supply controller |
11/14/2007 | CN200976500Y 背包式应急电源 Backpack Emergency Power |
11/14/2007 | CN101071957A Ups methods, systems and computer program products providing adaptive availability |
11/14/2007 | CN101071954A Parallel-working sine ware inverter |
11/14/2007 | CN101071951A Battery back up power supply |
11/13/2007 | US7294940 Power over ethernet battery backup |
11/08/2007 | WO2007124983A1 Device for safeguarding uninterrupted power supply of a magnetic bearing in the event of a power supply voltage failure |
11/08/2007 | DE202007012626U1 Energieversorgungssystem mit der Möglichkeit zur Notstromversorgung Power supply system with the possibility for emergency power supply |
11/07/2007 | EP1852605A2 Adjusting pitch of wind turbine blades in emergency situation. |
11/07/2007 | EP1851842A2 Independent automatic shedding branch circuit breaker |
11/07/2007 | CN200973028Y Low consumption uninterruption output baffer circuit of power supply |
11/07/2007 | CN200973027Y Emergency power supply device for photoelectric equipment |
11/07/2007 | CN200973026Y Power supply, charging switching circuit for AC/DC two-used electric tool |
11/07/2007 | CN101068387A Rural area middle and small size communication transmission base station power supply device and method thereof |
11/07/2007 | CN101068080A A system for powering and controlling electrical equipment of an aircraft engine or its environment |
11/07/2007 | CN101066704A An electrical power supply arrangement for an aircraft |
11/07/2007 | CN100347929C AC Adaptor power supply apparatus |
11/06/2007 | US7291938 Power supply apparatus and method based on parasitic power extraction |
11/06/2007 | CA2382273C Transfer mechanism for transferring power between a utility source and a stand-by generator |
11/01/2007 | WO2007121860A1 Emergency lighting device for operating a light source, in particular an led |
11/01/2007 | WO2007121801A1 Battery circuit in an emergency light device |
11/01/2007 | WO2007121800A1 Power supply for the control unit of an emergency lighting device |
11/01/2007 | WO2007121799A1 Charging circuit for emergency light |
11/01/2007 | WO2007121798A1 Led driver circuit |
11/01/2007 | WO2006117488A3 Uninterrupted power supply circuit |
11/01/2007 | US20070252440 Method and System for Providing Power |
11/01/2007 | US20070252390 Renewable Energy Resources |
10/31/2007 | EP1338075B1 Multi-functional ac/dc converter |
10/31/2007 | DE102007018884A1 Controlling and monitoring method for emergency lighting system, involves feeding switching of grid through power supply voltage |