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)
08/2012
08/29/2012EP2491411A1 Method and appliance for the detection of current discontinuity in switched electrical point of an alternating network
08/29/2012CN202406185U Dual-power modem
08/29/2012CN202405872U Interconnection switch system of distribution line
08/29/2012CN202405865U Automatic control power supply
08/29/2012CN202405864U Intelligent power supply system
08/29/2012CN202405863U Hybrid inverter
08/29/2012CN202405862U Automatic power transfer switch controller
08/29/2012CN202405861U Stand-by power supply generation device
08/29/2012CN202405860U Dual-power-supply distribution box
08/29/2012CN202405859U Uninterruptible power supply system for server of converter station
08/29/2012CN202405858U Double-input alternating current circuit for contact network operating vehicle
08/29/2012CN202405857U Single-end and double-end power supply switching circuit
08/29/2012CN202405856U Power distribution network used in glass substrate production
08/29/2012CN202405855U Power switching system device
08/29/2012CN202405854U Wind-solar hybrid household power supply system with power-saving mode
08/29/2012CN202405853U 110-KV double-circuit parallel running line reclosing input line
08/29/2012CN202405783U Power converter with functions of uninterrupted power supply (UPS) and active power filter
08/29/2012CN202405780U medium voltage distribution network
08/29/2012CN202405545U Alternating-current and direct-current power socket
08/29/2012CN202404854U Wind solar hybrid independent power supply outdoor advertising lighting system
08/29/2012CN202403149U Crystal lamp with standby power supply
08/29/2012CN102652388A Apparatus, system and method employing ups
08/29/2012CN102651572A Zero-time power standby system and zero-time power standby method
08/29/2012CN102651571A Quick switching method and device for standby power supply
08/29/2012CN101929606B Illumination device and lamp base having same
08/29/2012CN101923331B Multi-point-position radio-frequency communication detecting controller
08/28/2012US8253275 Connection error avoidance for apparatus connected to a power supply
08/28/2012US8253274 Power supply system for electrical appliance
08/28/2012US8253273 Power system having AC and DC power sources
08/23/2012WO2012112314A1 Uninterruptible power supply systems and methods using an isolated neutral reference
08/23/2012WO2012109820A1 Method and system for monitoring and controlling backup power supply of single family unit
08/23/2012WO2011143381A3 Systems and methods for uninterruptible power supply control
08/23/2012WO2011141809A3 Uniterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source
08/23/2012US20120212060 Dc plant for selecting among multiple power sources
08/23/2012DE102011076714A1 Notlicht-Einheit für ein Beleuchtungs-System Emergency lighting unit for a lighting system
08/22/2012EP2490317A1 Power source device and vehicle
08/22/2012EP1812862B1 Battery backed service indicator aids for field maintenance
08/22/2012CN202396048U Solar street lamp intelligent monitoring system based on Internet of things
08/22/2012CN202395523U Multi-supply system for master clock of turret clock
08/22/2012CN202395522U Multiple feed power system for synchronized clocks
08/22/2012CN202395521U Automatic conversion switch
08/22/2012CN202395520U Power generating unit of automatic change-over switch controller
08/22/2012CN202395519U Automatic change-over switch with module self-recognition function
08/22/2012CN202395518U Main/standby power supply intelligent switching circuit
08/22/2012CN202395517U Monitoring power supply device for high voltage switch cabinet
08/22/2012CN202395516U Vehicle uninterrupted power supply (UPS)
08/22/2012CN202395515U Interactive backup auxiliary power supply circuit applied to multi-energy complementary system
08/22/2012CN202395514U Dual-power switching device
08/22/2012CN202395513U Low-power-consumption mechanical motor with memory function
08/22/2012CN202395512U Externally hung standby power supply of portable electric equipment
08/22/2012CN202395510U Iron-lithium battery integrated power system
08/22/2012CN202395509U Power supply control system for motor home
08/22/2012CN202395470U Novel wind-light complementary solar controller
08/22/2012CN202391246U Remote-control electric roller shutter door direct-current motor control system with automatic locking function
08/22/2012CN102648580A Circuit assembly for a motor vehicle
08/22/2012CN102647019A DC (Direct Current) operational power supply for intelligent distributed distribution network
08/22/2012CN102647018A Single family unit (SFU) standby power source monitoring method and system
08/22/2012CN102647008A Automatic tracking type intelligently-managed photovoltaic power supply system
08/22/2012CN102646976A Multiple-power-supply parallel feed system
08/22/2012CN102646933A Power transformation system provided with 0.4-kilovolt low-voltage switch
08/22/2012CN101278459B Power up circuit with low power sleep mode operation
08/21/2012US8247924 Power supply and method that maintains supply voltage in communications systems during a power supply interruption
08/16/2012WO2012107348A1 A control system
08/16/2012WO2012082599A3 Battery management system
08/16/2012WO2011068973A3 Method and system for minimum output-voltage battery charger
08/16/2012US20120206097 Inductively coupled power and data transmission system
08/16/2012US20120206044 Emergency lighting ballast device with a plurality of ballast outputs for flexible lamp connection configurations
08/16/2012US20120205982 Uninterruptible power supply systems and methods using an isolated neutral reference
08/16/2012US20120205981 Utilization of distributed generator inverters as statcom
08/16/2012US20120205975 System for controlling electric power supply to devices
08/15/2012EP2487776A2 Subsidiary power source for bidirectional power supply
08/15/2012EP2486950A2 Peritoneal dialysis system comprising remote alerting device
08/15/2012EP2340596B1 Power control in a medical ventilator
08/15/2012CN202384833U Double-power-supply controller
08/15/2012CN202384832U Double-power supply automatic selector switch
08/15/2012CN202384831U Hybrid power emergency power supply
08/15/2012CN202384830U Dual-power supply automatic change-over switch
08/15/2012CN202384829U Low-voltage spare automatic switching electric power protection box apparatus
08/15/2012CN202384828U Two-port power supply lightning protection device with automatic switching line
08/15/2012CN202384827U Uninterruptible power system (UPS) maintenance instrument
08/15/2012CN202384826U Emergency lighting centralized power supply cabinet powered by adopting IT (Information Technology) system
08/15/2012CN202384825U Instantly-inserted type power supply
08/15/2012CN202384824U 抽屉式蓄电池箱 Drawer battery box
08/15/2012CN102640387A DC power distribution system
08/15/2012CN102640386A 负载控制系统 Load control system
08/15/2012CN102638095A Power supply method of cold-state function test in nuclear power plant
08/15/2012CN102638094A Self-assembling and self-healing power distribution equipment and safe switching method thereof
08/15/2012CN102638093A Power off protection device
08/15/2012CN102638092A DC (direct-current) UPS (Uninterrupted Power Supply) operational power supply
08/15/2012CN102638091A Energy-saving power supply device for automobile
08/15/2012CN102638062A Modular combined wind-light-diesel combined power supply system
08/15/2012CN101771294B 集合驱动控制电路及其控制方法 Collection drive control circuit and control method
08/15/2012CN101689769B Power supply system, and power supply control method and power supply control program employed in power supply system
08/14/2012USRE43572 Bi-directional multi-port inverter with high frequency link transformer
08/14/2012US8242750 Balancing power supply and demand
08/14/2012US8242633 Power-failure protection circuit for non-volatile semiconductor storage devices and method for preventing unexpected power-failure using the same
08/14/2012US8242632 Lifting magnet and method for emergency power supply
08/14/2012US8242631 Programmable electronic timer
08/14/2012US8241109 Gaming machine power fail enhancement
08/09/2012WO2012104151A2 Blackout ride-through system
1 ... 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 ... 165