Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
09/2003
09/02/2003US6614134 Power supplies for ECUs
09/02/2003US6614133 Power system with plural parallel power supplies with at least one power supply in standby mode for energy efficiency
09/02/2003US6614132 Multiple flywheel energy storage system
09/02/2003US6614130 Balanced modular power management system and method
08/2003
08/28/2003WO2003009457A3 Method and device for short-circuiting temporary power failures in a matrix converter
08/28/2003US20030160588 Implantable cardioverter defibrillator with switchable power source and patient warning system cardiac device
08/28/2003US20030160514 Universal uninterruptible power supply input circuitry and methods for configuring same
08/28/2003DE20205637U1 Device for switching over electric circuits performs selective switch-over between two mains voltage networks for supplying electrical consumers
08/27/2003CN2569423Y Active stand-by power source device with power factor compensation and regulating power output
08/27/2003CN1438754A Intelligent tubelike motor
08/27/2003CN1438555A Power-supply management apparatus
08/26/2003US6611774 Method and apparatus for the continuous performance monitoring of a lead acid battery system
08/26/2003US6611068 Power system
08/21/2003US20030155889 Battery charger with standby mode
08/21/2003US20030155812 Power-supply control apparatus
08/20/2003EP1337025A2 Battery charger with standby mode
08/20/2003CN2567857Y Power supply equipment with servo control emergency lighting forced power supply function
08/20/2003CN2567856Y Automatic power supply device for two-path power of CATV machine room
08/20/2003CN2567855Y Emergency power supply for fuel filling and water filling for IC engine
08/20/2003CN2567854Y Emergency supply for power system communication terminal equipment
08/20/2003CN2567839Y Prize mobile box type electric drilling machine power supply device
08/14/2003WO2003067732A1 Power source control apparatus
08/14/2003WO2003023799A3 Uninterruptible transfer switch
08/14/2003US20030153780 Water-soluble specialty surfactants to lower the surface tension of water to <20 dynes/cm.; reacting amines with allyl glycidyl ether, followed by reaction with a perfluoroalkyl iodide; oily surfaces; coatings for addition polymers
08/14/2003US20030151936 Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter
08/14/2003US20030151392 Power supply apparatuses and methods of supplying electrical energy
08/13/2003CN1436131A Device and method for disconnecting at least one fixed electric device
08/12/2003US6605879 Battery charger control circuit and an uninterruptible power supply utilizing same
08/12/2003US6605878 Power failure transfer switching system
08/07/2003WO2003065539A1 Power factor correcting circuit for uninterrupted power supply
08/07/2003WO2003065493A1 Power controller, power control method, information processor, and power control program
08/07/2003US20030147262 Method and apparatus for delivering uninterrupted power
08/07/2003US20030146739 Method and circuit arrangement for preventing the stand-by discharge of a battery-powered signal evaluation circuit of a sensor
08/07/2003US20030146714 Electronic ballast system having emergency lighting provisions
08/06/2003EP1333555A2 Circuit and method for avoiding standby discharge of a battery fed signal evaluation circuit for a sensor
08/05/2003US6603672 Power converter system
08/05/2003US6603285 Power circuit, power supply method, and electronic device
08/05/2003US6602627 Uninterruptible power supplies using fuel cells
07/2003
07/31/2003WO2003063321A1 Extended life electromechanical lock
07/31/2003WO2003032429A3 Method and system for bridging short duration power interruptions
07/31/2003US20030141819 Illumination unit for normal and emergency operation
07/30/2003CN2563025Y Electric charging and lighting device for gasoline engine
07/30/2003CN1116727C Emergency cut-off power supply device for elevator
07/30/2003CN1116591C Electronic balance with wait state
07/29/2003US6601002 Arrangements to detect and respond to disturbances in electrical power systems
07/24/2003US20030139207 Wireless communication device and method of switching power supply
07/24/2003US20030137399 Extended life electromechanical lock
07/24/2003US20030137285 Power distribution system
07/24/2003US20030137197 Power factor corrected UPS with improved connection of battery to neutral
07/24/2003US20030137196 Power supply for providing continuous and regulated energy to the power user
07/24/2003DE20306339U1 Programmable interruption free power supply has battery back up with automatic switching
07/23/2003EP0965160B1 Battery charger with low standby current
07/23/2003CN2562481Y Power supply systems
07/22/2003US6597154 Electrical energy distribution system and contactor for such a system
07/22/2003US6597074 Backup power-source module, backup power-source apparatus, and computer
07/22/2003US6597073 Circuit and method for providing power supply redundancy
07/22/2003CA2295382C Switching power supply unit
07/17/2003WO2003057536A1 Power supply apparatus for prevention of vehicle fire
07/17/2003WO2003056991A2 Mattress and bedpan cushion system
07/17/2003US20030135313 Configuration and method for switching off at least one stationary-vehicle current apparatus
07/17/2003US20030133263 Uninterruptible power supply (UPS) with built-in USB hub
07/17/2003CA2470143A1 Mattress and bedpan cushion system
07/16/2003EP1327292A2 Rotary dynamic system power distribution unit
07/16/2003EP0858634B1 An apparatus and method for reducing power consumption through both voltage and frequency scaling
07/16/2003CN1430458A Electronic ballast system with emergency lighting apparatus
07/16/2003CN1430322A Sine wave inverter capable of parallel operation
07/16/2003CN1430321A Device and method for managing power source
07/15/2003US6593723 Integrated wall apparatus for delivering uninterrupted electrical power
07/15/2003US6593670 Automatic transfer switch and engine control
07/10/2003WO2002097946A3 Back-up power system
07/10/2003US20030128562 Uninterruptible DC power system
07/10/2003US20030127912 Method and arrangement for supplying quiescent current to a vehicle having a multi-voltage on-board electrical system
07/08/2003US6591176 Backup power supply for a crash notification system for an automotive vehicle and method of operating the same
07/08/2003US6590793 Electric power supplying apparatus using unstable electric power supply and control method therefor
07/03/2003WO2003054993A1 Fuel cell system power control method and system
07/03/2003US20030124400 Fuel cell power generation system and control method thereof
07/03/2003US20030122532 Facility for supplying spare or auxiliary power supply to processor device
07/03/2003US20030122524 Apparatus and method for managing power
07/02/2003EP0850506B1 Device for supplying power in a motor vehicle
07/01/2003US6586911 Sleep mode power management
06/2003
06/26/2003US20030117761 Integrated high voltage transient surge suppression with automatic transfer switch for alternate source of electricity
06/26/2003US20030117079 Emergency illuminator
06/26/2003DE20300733U1 Emergency lighting unit is provided by a battery that is coupled to a charger system
06/25/2003EP1238453B1 Uninterrupted power supply (ups) comprising a controller for charging an accumulator and a method for controlling charging
06/24/2003US6583571 Emergency illuminator
06/19/2003US20030113595 Fuel cell system power control method and system
06/19/2003US20030111990 Power controller, power generation system, and control method of power controller
06/19/2003US20030111842 Continuous power supply with back-up generation
06/19/2003CA2414543A1 Electronic ballast system having emergency lighting provisions
06/18/2003CN2556836Y UPS bypass switching device
06/18/2003CN1425214A Power supply for AC elevator
06/17/2003US6580279 Method and apparatus for checking the capacitance of a storage capacitor provided in an occupant protection system
06/17/2003US6580254 Apparatus and method for providing span power to communication equipment at a customer premise
06/12/2003WO2003049250A1 A regenerative power supply system for short-term power interruption
06/12/2003WO2003049249A1 Multiple flywheel energy storage system
06/12/2003WO2003049130A1 Advanced power distribution system
06/12/2003WO2003048796A1 Battery testing method for hazardous condition alarm devices and systems
06/12/2003US20030107906 DC power supply device
06/12/2003US20030107349 Ac power generating system
06/12/2003US20030107271 Notebook computer with a power generator
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