Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
03/2010
03/31/2010CN101689812A High efficiency alternative/renewable powered ups system
03/31/2010CN101689770A Transfer switch system with neutral current management
03/31/2010CN101689769A Power supply system, and power supply control method and power supply control program employed in power supply system
03/31/2010CN101689056A Gen-set control system having proactive load relief
03/30/2010US7688025 Electronic device, battery pack, power-supply controlling method for electronic device, program for controlling power supply for electronic device
03/30/2010US7687936 Audio and video back-up power block
03/25/2010WO2010033123A1 Cpu status controlled uninterruptible power supply
03/25/2010WO2010032250A2 Direct current powered air conditioner
03/25/2010US20100073871 Efficient site cooling technology
03/25/2010US20100072818 Electrical Energy Storage and Retrieval System
03/24/2010EP2166431A1 Network communication system for uninterruptible power supply and method for dividing controller group for performing communication to control operating status of load device of uninterruptible power supply for each uninterruptible power supply
03/24/2010CN201430742Y Solar outdoor communication cooling device
03/24/2010CN201430545Y Voltage booster device of uninterruptible power source
03/24/2010CN201430541Y High-frequency intelligent EPS inverted power supply
03/24/2010CN201430468Y Automatic interconnection switch
03/24/2010CN201430467Y Dual power switching device
03/24/2010CN201430466Y Electronic emergency power supply for emergency light
03/24/2010CN201430465Y Dual power supply device for thickener
03/24/2010CN201430382Y Lightning protection distribution box
03/24/2010CN201429013Y LED emergency lighting lamp
03/24/2010CN101682214A Method for controlling backup power sources connected in parallel and device comprising backup power sources connected in parallel
03/24/2010CN101682213A Maintenance bypass device
03/24/2010CN101682212A Electrical appliance
03/24/2010CN101682211A Pulse width controlled dc-dc converter having pulse width period control for influencing power consumption
03/24/2010CN101682210A Elevator drive system including rescue operation circuit
03/24/2010CN101681190A Network communication system for uninterruptible power supply and method for dividing controller group for performing communication to control operating status of load device of uninterruptible power
03/24/2010CN100595717C Electric power control structure of power supply apparatus
03/23/2010US7684222 Power conversion apparatus with DC bus precharge circuits and methods of operation thereof
03/23/2010US7683584 Power source switching apparatus and method thereof
03/23/2010US7681395 Systems and methods for providing backup energy to a load
03/23/2010CA2679795A1 Panel board emergency lighting system
03/18/2010WO2010030782A1 Low power isolation design for a multiple sourced power bus
03/18/2010WO2010029854A1 Uninterruptible power supply device
03/18/2010WO2010028579A1 Reversal connection protection circuit
03/18/2010WO2009073280A3 Ir reflecting grating for lamp
03/18/2010WO2009049877A3 Interface for a luminous means operating device
03/18/2010US20100067267 Controller and method for controlling converters of disparate type
03/18/2010US20100066172 Electronic device with redundant fan control function
03/18/2010US20100066168 Powering a direct current air conditioner using solar cells
03/17/2010EP2164294A1 Switch for a household appliance and method for operating the household appliance
03/17/2010EP2162812A1 Gen-set control system having proactive load relief
03/17/2010CN201426052Y Power-type multiple safety protection intelligent electricity-saving system
03/17/2010CN201426051Y Novel duplicate power supply system for mobile phone
03/17/2010CN201424341Y Crane supporting AC power supply
03/17/2010CN101675571A Self-stopping electrical appliance
03/17/2010CN101674025A Multiplexed output auxiliary switch power source powered by commercial power and battery
03/17/2010CN101673965A Automatic switching control method for wide-area emergency power source of electric power system
03/17/2010CN101673964A Modular UPS integrated power distribution system
03/17/2010CN101673625A Card connection type protective cover and double power supply automatic transfer switch provided with same
03/16/2010US7679217 Apparatus, system, and method for a high efficiency redundant power system
03/11/2010WO2010026549A2 Power supply unit and method for controlling a power supply unit
03/11/2010WO2009148277A3 Apparatus for minimizing standby power of switching-mode power supply
03/11/2010US20100060242 Method of operating a mobile device, apparatus and wireless device
03/10/2010EP2161813A2 Method for selecting an electric power supply, a circuit and an apparatus thereof
03/10/2010EP2161812A1 Power supply system, and power supply control method and power supply control program employed in power supply system
03/10/2010CN201420982Y Replaceable and repairable environmental-friendly multifunctional modular LED lamp
03/10/2010CN101667748A Circuit power fail safeguard device and protection method thereof
03/10/2010CN101667747A Conversion module for extracting working power from high-voltage power
03/09/2010US7675261 Auxiliary battery attachment apparatus for use in a multiple battery system that reliably supplies electrical energy to an electrical system
03/09/2010US7675194 Device for powering equipment, and an equipment power supply system
03/04/2010US20100052622 Multi-output voltage battery module and electronic device using the same
03/04/2010US20100052426 Power management system
03/03/2010EP2159482A1 Safety lighting
03/03/2010EP2158554A1 Method for monitoring an engine starting system and engine including starting system monitor
03/03/2010CN201417963Y Outlaid emergency power device for mobile phone
03/03/2010CN101663805A A smps circuit with multiple AC/DC inputs and an application of this method to computer power supplies and laptop adapters
03/02/2010US7672674 Remote radio data communication system with data rate switching
02/2010
02/25/2010WO2010022229A1 Methods and systems for distributing load transfers in power supply systems
02/25/2010WO2010021052A1 Power converting apparatus
02/25/2010WO2010020984A1 Power booster for cable systems
02/25/2010US20100045107 Methods and systems for distributing load transfers in power supply systems
02/25/2010DE212008000035U1 Hochfrequenz (HF)-Wechselrichter Radio frequency (RF) inverter
02/25/2010CA2734699A1 Power conversion apparatus
02/24/2010EP2157495A1 Method and system for detection of standby status in linear and non-linear charges connected to the electricity mains and automatic disconnection thereof
02/24/2010EP2156543A1 High efficiency alternative/renewable powered ups system
02/24/2010EP2156533A1 Transfer switch system with neutral current management
02/24/2010CN201414079Y Small-size device capable of supplying direct current
02/24/2010CN201414022Y Accumulator charging/discharging control system
02/24/2010CN201414021Y Intelligent power distribution system for telecommunication room
02/24/2010CN201414020Y Fire-fighting emergency power supply cabinet
02/24/2010CN201413641Y Control circuit for changing battery on recorder pen without interrupting recording
02/24/2010CN101656430A Automatic transfer switching equipment and control method
02/24/2010CN101656429A Self-powered alarm terminal of wireless monitoring system
02/18/2010WO2010018128A1 Worldwide adaptive multi-coil automatic transfer switch
02/18/2010WO2009134115A3 Uninterrupted battery operated generator
02/18/2010US20100038966 Automatic transfer switch
02/18/2010US20100038965 Emergency Lighting Device For Operating A Light Source, In Particular An LED
02/18/2010CA2719483A1 Worldwide adaptive multi-coil automatic transfer switch
02/17/2010EP2153505A1 Electrical appliance
02/17/2010CN201409098Y Elevator power supply
02/17/2010CN201409014Y Communication type power supply automatic conversion device
02/17/2010CN201409013Y Power supply adaptor
02/17/2010CN201407578Y Indicating device of escalator emergency passage
02/17/2010CN101651360A Duplicate supply intelligent seamless switching method with awakening function
02/17/2010CN101651359A Power supply unit and power supply switching method of mobile terminal
02/17/2010CN101651358A Three-way power supply automatic switching line for improving service life of EPS system
02/11/2010WO2010015857A1 Electrical devices with standby mode
02/11/2010DE102008036470A1 Flache Flächenleuchte für Be- und Hinterleuchtungsanwendungen mit integrierter Notstromversorgung Flat surface light for loading and backlighting applications with integrated emergency power supply
02/10/2010CN201402996Y Power supplier
02/10/2010CN201402995Y Intelligent power generation device for communication base station
1 ... 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 ... 165