Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
12/2005
12/15/2005US20050278075 Methods and apparatus for providing and distributing standby power
12/15/2005US20050275976 Power conversion apparatus and methods using an adaptive waveform reference
12/15/2005US20050275371 Current monitor
12/14/2005EP1605577A2 Method and apparatus for converting a DC voltage to an AC voltage
12/14/2005EP1604442A1 Emergency lighting
12/14/2005EP1042934B1 A method, a device and a terminal for mobile radio communication
12/14/2005EP0908000B1 Wireless selective tripping of ac power systems connected in parallel
12/14/2005CN1708892A Uninterrupted power supply with power-factor correcting bypass mode
12/14/2005CN1232012C Non-power-cut source apparatus managing system and method, electrical equipment managing system and computer
12/13/2005US6975926 Method and apparatus for power management control of a compressor-based appliance that reduces electrical power consumption of an appliance
12/13/2005US6975092 Encrypted response smart battery
12/08/2005WO2005116519A1 Smoke detection and escape system
12/08/2005US20050273206 No-break-power-transfer control system for variable frequency electrical power systems
12/08/2005US20050269882 Uninterruptible power supply
12/08/2005US20050269870 Power supply for vehicle
12/08/2005US20050269170 Vehicle power source device
12/07/2005EP1602162A2 System for providing backup power to an electronic device
12/07/2005EP1155259A4 Switch cover plate providing automatic emergency lighting
12/01/2005DE102004021781A1 Current supply unit with emergency operating function for telecomms use has modules for parallel feeding with input output data module and control unit
11/2005
11/29/2005US6969922 Transformerless, load adaptive speed controller
11/24/2005WO2005067463A3 Power distribution web node and power management process
11/24/2005US20050258800 Battery charger
11/24/2005DE102004018261A1 Current supply system for electrical units in vehicles with reserve storage capacitor for airbag operation has boot and back converters together in main unit with power transistors
11/23/2005EP1598917A2 Electronic device, battery pack, power-supply controlling method and program for electronic device
11/23/2005EP1597809A2 Uninterruptible power supplies with converter operation conditioned upon static switch communication and method of operation thereof
11/23/2005EP1597808A2 Systems and methods for providing backup energy to a load
11/23/2005CN1701503A Power circuit of high speed motor
11/23/2005CN1701481A System for providing assured power to a critical load
11/23/2005CN1701007A Power supply for vehicle
11/23/2005CN1700559A Battery charger
11/23/2005CN1700556A Ac power supply device
11/22/2005US6968220 RF receiver with power off control
11/17/2005WO2005109583A2 Universal power adapter
11/17/2005US20050253458 Power unit for conveyance and conveyance provided with the power unit
11/16/2005EP1595325A1 Distributed power generation, conversion, and storage system
11/16/2005EP1374366B1 Minimizing standby power in a digital addressable lighting interface
11/16/2005CN2741257Y Double power supply switching controller with phase-off protector
11/16/2005CN2741256Y Sigle load-double power supply switching controller with phase-off protecter
11/16/2005CN1697748A Vehicle power source device
11/16/2005CN1227122C Fault tolerant air bag bus system without transformer
11/10/2005WO2005083864A3 Scr-based static transfer switch device and method
11/10/2005US20050248311 Electronic device, battery pack, power-supply controlling method for electronic device, program for controlling power supply for electronic device
11/09/2005EP1594210A1 Power supply for portable printer
11/09/2005EP1593188A1 Device for supplying power to a two-voltage vehicle electric system
11/09/2005CN2739867Y Automatic switching device for emergency power supply
11/09/2005CN2739866Y Power supply device for medical equipment
11/09/2005CN2739865Y Power supply device for medical equipment
11/09/2005CN1694040A Electronic device, battery pack, power-supply controlling method and program for electronic device
11/09/2005CN1226822C Intelligent tube motor
11/08/2005US6963763 Methods and devices for controlling the connection of power supplies to circuitry within rechargeable devices
11/03/2005WO2005104373A1 Method and device for the electrical power supply of an appliance
11/03/2005WO2005104342A1 Electrical installation for supplying an actuator equipped with a back-up device
11/03/2005WO2005104329A1 Device for supplying uninterruptible power
11/02/2005EP1592106A1 Device for connecting an electric load to a power source
11/02/2005EP1591332A1 Monitoring device for an energy distribution network of a vehicle
11/02/2005EP1591299A1 Auxiliary power supply for vehicle
11/02/2005CN2738453Y Automatic change-over switch with contact adhesive protector
11/01/2005US6961250 Non-isolated AC power supply device and method for controlling the same
11/01/2005US6960843 Parallel operating system for uninterruptible power units
11/01/2005US6960842 Integrated uninterruptible power supply enclosure
11/01/2005US6960838 Power system for a telecommunication facility
11/01/2005US6960400 Fuel cell power generation system and control method thereof
10/2005
10/27/2005WO2005101634A1 Power conversion apparatus with dc bus precharge circuits and methods of operation thereof
10/27/2005WO2005101610A2 An electrical power supply system
10/27/2005US20050236901 Method and system for managing battery power
10/26/2005CN2737049Y Automatic change-over switch with contact sticking protection arrangement
10/26/2005CN1688078A Power electronic switch of low surge overload current
10/25/2005CA2387246C On-board control system and method for vehicles
10/20/2005US20050231869 Power supply and power supply method upon interruption of electric service
10/19/2005EP1194993B1 Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant power
10/19/2005CN2735411Y Frequency-converter bypass device for boiler draught fan
10/18/2005US6956752 Power supply architecture with controlled power-on and power-off sequence
10/18/2005US6956355 Self-diagnosis system for an energy storage device
10/13/2005WO2005096467A1 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type
10/13/2005US20050225914 Power supply
10/13/2005DE202005009526U1 Monitoring device for power supply e.g. for small-scale purification plants, has mains supply drop-out circuit housed with signal generator and power supply source, with looping though of consumer/load power
10/13/2005DE10393658T5 System zum Bereitstellen gesicherter Leistung für eine kritische Last A system for providing secure power for critical load
10/13/2005DE102004007451A1 An emergency electrical supply for fluorescent lighting from a DC source has a switching arrangement including detection means for the supply waveform
10/12/2005CN2733711Y Automatic throw-in equipment for comprehensive backup power supply
10/12/2005CN2733710Y Urban power supply and inversion power supply changeover controller
10/12/2005CN2733709Y Switching power supply apparatus
10/12/2005CN2733708Y Interlocking power supply interpolator for cable TV
10/11/2005US6954003 Mobile, self-sufficient operating assembly for providing electrical energy
10/11/2005US6953329 Hurricane and power outage fan
10/11/2005CA2380959C Electric device and method for charging and discharging battery unit of the same
10/06/2005WO2005093926A1 Multi-mode uninterruptible power supplies and methods of operation thereof
10/06/2005WO2005093925A1 Uninterruptible power supply apparatus and power failure compensating system
10/06/2005WO2005093141A1 Device for managing an electrical power cutoff in an, in particular, yarn transformation textile machine
10/06/2005US20050222785 System, method and computer program product for configuring power supply apparatus
10/06/2005DE10335575B4 Notbetriebseinrichtung zur Verstellung von Rotorblättern für eine Windkraftanlage Emergency operation for adjustment of rotor blades for wind turbine
10/05/2005EP1583200A1 A parallel monitor circuit and semiconductor apparatus
10/05/2005EP1581406A2 Battery management system
10/05/2005EP1440502B1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter
10/05/2005CN2731812Y Small power source switching device
10/05/2005CN2731808Y Emergency power source
10/05/2005CN1222094C System connector
09/2005
09/29/2005WO2005091460A2 Web-enabled ups
09/29/2005WO2005091112A1 Industrial robot
09/29/2005US20050213357 Power conversion apparatus with DC bus precharge circuits and methods of operation thereof
09/29/2005US20050212454 Lighting system