| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 04/06/2011 | CN102005809A Backup power supply circuit of logging-while-drilling instrument |
| 04/06/2011 | CN102005808A Backup power source for coal mine electronic device |
| 04/06/2011 | CN102005799A Portable multifunctional power supply |
| 04/06/2011 | CN102005796A Mobile power supply and control method thereof |
| 04/06/2011 | CN102005756A Coordination control method for power of dual-loop direct-current transmission systems |
| 04/06/2011 | CN102004538A 笔记本电脑电源供应电路 Laptop power supply circuit |
| 04/06/2011 | CN101286853B Energy supply device and method for sensor node in wireless network |
| 03/31/2011 | WO2011036767A1 Uninterruptible power-supply system |
| 03/31/2011 | WO2011036405A1 Control device for putting an electronic member of a communication network on hold prior to rebooting |
| 03/31/2011 | WO2010147731A3 Uninterruptable power supply |
| 03/31/2011 | US20110074379 Dc-dc converter |
| 03/31/2011 | US20110074217 Device for supplying uninterruptible power |
| 03/31/2011 | US20110074216 Power system for a device |
| 03/31/2011 | DE112004002556B4 Energieverwaltungsvorrichtung, Verfahren zum Betrieb einer Energieverwaltungsvorrichtung, Verfahren zum sequentiellen Starten von Knoten in einem Energieverteilungsnetzwerk und Fahrzeug Energy management device, method for operating a power management device, method for sequentially starting node in a power distribution network and vehicle |
| 03/31/2011 | DE102009048670A1 Control device e.g. power monitoring device, for controlling power and quality of electrical network, has switching device monitoring power supply and switching power supplies during interference in energy storage mode |
| 03/30/2011 | EP2301135A2 Uninterruptible power supplies, solar power kits for uninterruptible power supplies and related methods |
| 03/30/2011 | EP2301134A2 Power supply unit having a voltage converter |
| 03/30/2011 | CN201781652U Light emitting diode (LED) industrial illuminating system for wind generating tower |
| 03/30/2011 | CN201781318U Outlet expanded circuit of auxiliary power quick-switching device |
| 03/30/2011 | CN201781317U Guide pulley mechanism |
| 03/30/2011 | CN201781316U Dual power automatic switching system |
| 03/30/2011 | CN201781315U Novel alternating/direct current alternating power supply device |
| 03/30/2011 | CN201781314U Power supply circuit of gas chromatographic instrument |
| 03/30/2011 | CN201780888U Dual-power automatic transfer switch |
| 03/30/2011 | CN1979999B High-voltage/low-voltage power supply switching-over circuit |
| 03/30/2011 | CN101999255A Arrangement relating power backup and method for power backup |
| 03/30/2011 | CN101997336A Self-running carrying system adopting electric double-layer capacitor and secondary battery as power supply |
| 03/30/2011 | CN101997335A Power supply control system and control method |
| 03/30/2011 | CN101997334A Novel digital EPS fire emergency power system based on DSP |
| 03/30/2011 | CN101996788A Transfer device for automatic transfer switch |
| 03/30/2011 | CN101071951B Power supply |
| 03/24/2011 | WO2011033820A1 Power conversion system and uninterruptible power source system |
| 03/24/2011 | WO2011032591A1 Device for optimizing the electric power supply for homes, offices, industries and the like |
| 03/24/2011 | WO2010141896A3 System and method for supplying power on demand to a dynamic load |
| 03/24/2011 | WO2010139385A3 A mains power failure indicator |
| 03/24/2011 | US20110068851 Power switch circuit |
| 03/24/2011 | US20110068630 Power supply cooperation system and uninterruptible power supply device |
| 03/24/2011 | DE102009033604A1 Electrical power supply system for power supply, has two power supply units and one or multiple redundant consumers, where the power supply unit has inverter which provides alternating current voltage-intermediate circuits |
| 03/24/2011 | CA2774063A1 Power conversion system and uninterruptible power supply system |
| 03/23/2011 | EP2299557A2 Power supply cooperation system and uninterruptible power supply device |
| 03/23/2011 | CN201774701U Light-emitting diode (LED) uninterrupted lighting circuit for underground construction site |
| 03/23/2011 | CN201774309U Emergency power supply with photovoltaic grid feed function |
| 03/23/2011 | CN201774308U Solar power supply system device of wireless sensor network |
| 03/23/2011 | CN201774307U Power supply circuit of motor of automobile |
| 03/23/2011 | CN201774306U Power generating vehicle standby power supply automatic switching controller |
| 03/23/2011 | CN201774305U Power supply and control module of heat radiation device thereof |
| 03/23/2011 | CN201774304U EPS fire emergency power cabinet |
| 03/23/2011 | CN201774303U Power-frequency emergency power supply control circuit of intermediate-frequency core induction furnace |
| 03/23/2011 | CN201774302U Lens meter power supply system |
| 03/23/2011 | CN201774301U High frequency switch DC supply system for substation |
| 03/23/2011 | CN201774300U Multi-power supply balance system |
| 03/23/2011 | CN201774275U Feedback power system of energy-saving emergency lift |
| 03/23/2011 | CN201774265U Energy storage power station for clean energy source compensation and energy storage system with clean energy compensation |
| 03/23/2011 | CN201774242U EPS master control circuit |
| 03/23/2011 | CN201773253U DLP projector power failure protection device |
| 03/23/2011 | CN201769738U Automobile audio system |
| 03/23/2011 | CN101989763A Power supply backup system and device and communication equipment |
| 03/23/2011 | CN101989515A Magnetic latching contactor and communication power supply system |
| 03/23/2011 | CN101567580B Dual-power supply automatic transfer switch |
| 03/23/2011 | CN101430359B Test switch simulation apparatus for automatic standby power switch equipment |
| 03/22/2011 | US7911085 Power saving uninterruptible power supply |
| 03/22/2011 | US7911083 Methods and systems for distributing load transfers in power supply systems |
| 03/22/2011 | US7909143 Elevator system with power consumption control |
| 03/17/2011 | WO2011030447A1 Control device |
| 03/17/2011 | WO2011029334A1 Power supply unit for mobile terminal and power supply switching method for mobile terminal |
| 03/17/2011 | DE202010013155U1 Mobile Leuchtbirne und Beleuchtungsvorrichtung zur Verwendung derselben Mobile light bulb and lighting apparatus using the same |
| 03/16/2011 | EP2296247A2 Separate network and method for operating a separate network |
| 03/16/2011 | EP2296047A2 Paperless printing press in case of power cut |
| 03/16/2011 | EP2294683A1 Circuit configuration having a power input and method of work for actuating a power input circuit |
| 03/16/2011 | CN201766554U Three-phase water pump frequency conversion energy economizer |
| 03/16/2011 | CN201766443U Solar energy stretching motor system |
| 03/16/2011 | CN201766412U Voltage-sag prevention device of motor |
| 03/16/2011 | CN201766411U Direct current power supply support device for stable operation of frequency converter of high-pressure coal slurry pump |
| 03/16/2011 | CN201766410U Uninterrupted power system taking lead-acid cell as energy storage assembly |
| 03/16/2011 | CN201766409U Continuous power-supply UPS matching device |
| 03/16/2011 | CN201766408U Circuit protection switching device |
| 03/16/2011 | CN201766407U Intelligent switching device for power supply of monitoring control system |
| 03/16/2011 | CN201766406U AC/DC hot standby power supply source |
| 03/16/2011 | CN201766405U Power conversion circuit of air conditioning |
| 03/16/2011 | CN201766404U Direct current (DC) power supply capable of replacing uninterrupted power supply (UPS) |
| 03/16/2011 | CN201766372U Power quality integrated control device of traction power supply system |
| 03/16/2011 | CN201766347U Backup battery protection circuit |
| 03/16/2011 | CN201764770U Mobile refrigeration equipment driven by direct current (DC) with air curtain |
| 03/16/2011 | CN201764385U Illumination lamp with LED emergency device |
| 03/16/2011 | CN201762189U Solar scenery water circulating and utilizing device |
| 03/16/2011 | CN101986511A Power supply control circuit |
| 03/16/2011 | CN101986510A Automatic emergency power supply |
| 03/16/2011 | CN101183801B Power-off protection method, system and device |
| 03/11/2011 | CA2711327A1 Digital wiring device |
| 03/10/2011 | DE102009040091A1 Inseleinheit eines Inselenergienetzes zum Kommunizieren von Energieanfragen mit einer weiteren Inseleinheit Island unit of a power grid for communicating energy inquiries with another island unit |
| 03/10/2011 | DE102009040090A1 Inseleinheit für ein Energienetz mit einer Steuereinheit zum Steuern eines Energieflusses zwischen der Energieerzeugungseinheit, der Energiespeichereinheit, der Lasteinheit und/oder dem Energienetz Island unit for a power network with a control unit for controlling an energy flow between the power generation unit, the energy storage unit, the load unit and / or the power network |
| 03/09/2011 | CN201758365U Alternating-current/direct-current power conversion control device |
| 03/09/2011 | CN201758305U Dual power supply system |
| 03/09/2011 | CN201758304U UPS (uninterrupted power supply) device capable of allowing on-line replacement and host computer employing same |
| 03/09/2011 | CN201758303U Double power supply device |
| 03/09/2011 | CN201758293U Intelligent distributed electric power station for new energy resources |
| 03/09/2011 | CN201758279U Anti-countercurrent protection circuit of uninterrupted power system |
| 03/09/2011 | CN201758256U AC distribution box |
| 03/03/2011 | WO2011022850A2 Uninterruptible power supply for a medical administration appliance |
| 03/03/2011 | US20110049993 Reverse polarity series type led and drive circuit |