| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 09/04/2013 | CN203180616U Air energy storage double-rectifier DC power supply system |
| 09/04/2013 | CN203180615U Static transfer switch (STS) device with external replacement protection |
| 09/04/2013 | CN203180574U Photovoltaic off-grid power generation system and satellite communication ground station |
| 09/04/2013 | CN203179252U Dual-power-supply wireless early-warning single-station terminal |
| 09/04/2013 | CN203167720U Automatic greenhouse control system based on photovoltaic power generation |
| 09/04/2013 | CN103283115A System and method for bidirectional DC-AC power conversion |
| 09/04/2013 | CN103280884A Power supply system and method of diesel generator and base station |
| 09/04/2013 | CN103280883A Drive circuit of ATE conversion mechanism |
| 09/04/2013 | CN103280882A Method and system for controlling UPS (uninterrupted power supply) device |
| 09/04/2013 | CN103280881A Decoupling control method for controlling automatic switching of backup power supply by expansion inner bridge connection wire microcomputer |
| 09/04/2013 | CN103280880A Decoupling control method for controlling backup power supply automatic switching by expansion inner bridge microcomputer |
| 09/04/2013 | CN103280879A Direct-current emergency transition power supply |
| 09/04/2013 | CN103280878A Control method and device for hybrid power supply device, power supply system and equipment |
| 09/04/2013 | CN102082495B Power supply unit provided with ac/dc input voltage detection and power supply system incorporating same |
| 09/04/2013 | CN101728867B Wireless electric power monitoring system |
| 09/01/2013 | CA2805268A1 Systems and methods for power stealing |
| 08/29/2013 | US20130221750 Active back up auto changeover voltage bus |
| 08/29/2013 | CA2807608A1 Switch assembly with sequentially actuated power and neutral switching |
| 08/28/2013 | EP2630717A2 High density uninterruptible power supplies and related systems and power distribution units |
| 08/28/2013 | CN203166622U 110kV standby power automatic switching and PT air switch auxiliary contact linkage structure |
| 08/28/2013 | CN203166621U High efficiency environmental protection power failure standby emergency power supply circuit |
| 08/28/2013 | CN203166620U Single-phase electric leakage switch capable of automatically changing phase sequence |
| 08/28/2013 | CN203166619U Intelligent master-slave uninterruptible power supply system |
| 08/28/2013 | CN203166618U A UPS uninterrupted power supply |
| 08/28/2013 | CN203166617U Distribution wiring system with stand-by power supply |
| 08/28/2013 | CN203166616U Integrated power-supply cabinet |
| 08/28/2013 | CN203166615U Wireless base station internal equipment on-line power supply system |
| 08/28/2013 | CN203166614U Electrolytic copper powder production power electricity conversion equipment |
| 08/28/2013 | CN203166613U Uninterruptible power supply UPS capable of isolating power-supply circuit |
| 08/28/2013 | CN203166462U Protective device for preventing dropping of power supply voltage of microcontroller in electronic cigarette |
| 08/28/2013 | CN203165144U Photoelectric guard device |
| 08/28/2013 | CN203164700U Magnetic keeping power supply switching monitoring alarm device for electromagnetic lifter |
| 08/28/2013 | CN103270662A Power supply device, crane, and power supply method |
| 08/28/2013 | CN103269120A Electric propulsion power supply system for pleasure-boat |
| 08/28/2013 | CN103269119A Implementation method for protecting automatic circuit switch in process of switching intrinsic line switch and by-pass switch |
| 08/28/2013 | CN103269118A Back-up source power supply control circuit |
| 08/28/2013 | CN102969783B Direct current uninterruptible power supply |
| 08/28/2013 | CN102208828B Emergency power source current conversion device for nuclear power station and control method |
| 08/28/2013 | CN101447691B Commutation circuit of external power supply and battery and control method thereof |
| 08/27/2013 | US8519568 Inrush current protection for wind turbines and wind farms |
| 08/27/2013 | US8519566 Remote switch sensing in lighting devices |
| 08/22/2013 | US20130214604 Uninterruptible power supply systems and methods supporting load balancing |
| 08/22/2013 | US20130214603 Electronic device, image processing apparatus, and device control method |
| 08/22/2013 | US20130214597 Electrical power distribution system |
| 08/22/2013 | US20130214596 Management of an electric power generation and storage system |
| 08/22/2013 | DE102005034730C5 Verfahren zum Erfassen einer Zugehörigkeit eines Notlichtversorgungsgeräts zu einem elektronischen Vorschaltgerät in einem DALI-Netzwerk A method for detecting a membership of Notlichtversorgungsgeräts to an electronic ballast in a DALI network |
| 08/21/2013 | EP2628235A1 Fault-tolerant power supply |
| 08/21/2013 | CN203151234U Mobile photovoltaic power generation, off-peak power lithium battery energy storage control system |
| 08/21/2013 | CN203151214U Point contact line column for substations |
| 08/21/2013 | CN203151213U Converter station valve water cooling system signal power source |
| 08/21/2013 | CN203151212U Controller for dual-supply automatic change-over switch |
| 08/21/2013 | CN203151211U Dual-channel power supply of ADS-B beacon testing equipment |
| 08/21/2013 | CN203151210U Medium voltage double power supply automatic switching apparatus |
| 08/21/2013 | CN203151209U Air energy storage UPS power supply system |
| 08/21/2013 | CN203151208U Power module suitable for atmosphere sensing node |
| 08/21/2013 | CN203151207U Vehicle emergency power converting system |
| 08/21/2013 | CN203151206U Medium voltage dual power switching apparatus |
| 08/21/2013 | CN203151205U Thin power supply device |
| 08/21/2013 | CN203151204U Direct-current power supply system configuration for ultra-high-voltage valve group |
| 08/21/2013 | CN203151203U Power supply switching device |
| 08/21/2013 | CN203151202U Intelligent power supply apparatus used for ADS-B testing beacon device |
| 08/21/2013 | CN203151201U Standby power station for energy storage of transient load generator sets in ports and piers |
| 08/21/2013 | CN203151200U Double on-line standby high-frequency voltage constant current source |
| 08/21/2013 | CN203151193U Mobile power supply device and power supply system thereof |
| 08/21/2013 | CN203151177U Wind solar hybrid fan heater |
| 08/21/2013 | CN203151175U A solar-energy portable emergency power supplying system |
| 08/21/2013 | CN203151174U A portable emergency power supply system used at a rush repair site |
| 08/21/2013 | CN203151162U Wind/solar energy/mains supply hybrid electric water heater |
| 08/21/2013 | CN203150927U Power distribution box |
| 08/21/2013 | CN203145694U Control system for safe box |
| 08/21/2013 | CN203137702U Wind and light electric supply complementation electric heating sofa |
| 08/21/2013 | CN103259331A Automobile power supply system and corresponding automobile power supply control method |
| 08/21/2013 | CN103259330A Direct-current double-power switch-over switch |
| 08/21/2013 | CN103259329A Direct-current multiple-power switch-over switch |
| 08/21/2013 | CN103259328A Continuous direct current power supply system |
| 08/21/2013 | CN103259327A Electric power control system |
| 08/21/2013 | CN103259326A Three-phase uninterruptible emergency power supply in on-line parallel operation with electric generator and uninterruptible control method thereof |
| 08/21/2013 | CN103259325A Power supply device and power supply method |
| 08/21/2013 | CN103259295A Portable electronic device with solar charging function |
| 08/21/2013 | CN103259200A Power box used for visual building intercom system |
| 08/21/2013 | CN103256647A Wind-light complementary power generation geothermal heating system |
| 08/21/2013 | CN102347632B Power supply switching apparatus and switching method thereof |
| 08/21/2013 | CN102130493B Method for power supply of direct current bus voltage-adjustable railway signal power module |
| 08/21/2013 | CN101741403B Wireless communication apparatus and power-supply apparatus |
| 08/21/2013 | CN101689825B Wind energy device, wind energy generation farm and method for operating same |
| 08/20/2013 | US8513832 Power supply unit |
| 08/20/2013 | CA2504440C Uninterrupted power supply with power-factor correcting bypass mode |
| 08/15/2013 | WO2012145424A3 Multi power source power supply |
| 08/15/2013 | US20130207473 Method, system and apparatus for redirecting use of any inverter or uninterruptable power supply with improved solar power management |
| 08/14/2013 | EP2625941A1 Contained ups system with temperature control |
| 08/14/2013 | EP2625768A2 Power supply system for an electrical drive of a marine vessel |
| 08/14/2013 | EP2625767A2 System and method for controlling an electricity supply |
| 08/14/2013 | DE102012101171A1 Interruption-free power supply arrangement, has control unit alternately controlling power supply devices so that electrical energy is transported from supply networks to network to be secured only by power supply devices |
| 08/14/2013 | CN203136141U A power switching circuit of a Bluetooth earphone |
| 08/14/2013 | CN203135570U Power source used for water-cooling control protection |
| 08/14/2013 | CN203135569U Regional power grid producing system oriented to smart power grid development |
| 08/14/2013 | CN203135568U Backup automatic switching device used for low-voltage system |
| 08/14/2013 | CN203135567U Dual power switching backup device |
| 08/14/2013 | CN203135566U Ups |
| 08/14/2013 | CN203135565U Data center machine room distribution system |