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