Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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12/26/2012 | CN102842950A Alternating current and direct current power supply switching device |
12/26/2012 | CN102842949A System and method for selected tripping control of loop closing protection |
12/26/2012 | CN102842948A 移动终端 The mobile terminal |
12/26/2012 | CN102842947A Emergency lighting LED (Light Emitting Diode) lamp for bath and lavatory |
12/26/2012 | CN101976955B Variable-pitch servo driver with function of energy storage |
12/26/2012 | CN101867222B Switching circuit of battery power supply, USB power supply and DC power supply |
12/26/2012 | CN101689816B Method for pulse width modulation synchronization in a parallel ups system |
12/25/2012 | US8338984 Uninterruptible power supply supporting active loads |
12/20/2012 | WO2012173348A2 Power supply system having an emergency power supply cutoff function |
12/20/2012 | WO2012172567A1 Intelligent appliances |
12/20/2012 | WO2012116063A3 Service access point for a uninterruptible power supply |
12/20/2012 | WO2012060958A3 System and method for bidirectional dc-ac power conversion |
12/20/2012 | WO2012059368A3 Pitch motor drive circuit which can operate in emergency mode |
12/20/2012 | WO2011147662A3 Method for supplying an electric domestic appliance from a low voltage supply network and a domestic appliance suitable for carrying out said method |
12/20/2012 | US20120322431 Apparatus and method for replacing a battery in a portable terminal |
12/20/2012 | US20120319486 Battery backup system and associated method |
12/20/2012 | US20120319485 Transfer switch with arc suppression |
12/20/2012 | US20120319477 Lighting system |
12/20/2012 | US20120319475 Connection base and electric power integration apparatus having the same |
12/19/2012 | EP2536109A2 Communication device with battery management |
12/19/2012 | CN202616871U Zero second switching protection device of storage battery |
12/19/2012 | CN202616870U Elevator emergency power supply apparatus based on super capacitor |
12/19/2012 | CN202616869U Hand-held data instrument power supply device |
12/19/2012 | CN202616868U Intelligent power supply redundancy module |
12/19/2012 | CN202616867U Cutting device for asymmetric running state of supply transformer |
12/19/2012 | CN202616866U Cutting device for asymmetric running state of supply transformer |
12/19/2012 | CN202616865U Cutting device for asymmetric running state of supply transformer |
12/19/2012 | CN202616864U Extension power supply circuit of train auxiliary power source |
12/19/2012 | CN202616863U Subminiature UPS (Uninterrupted Power Supply) device ensuring information transmission after power failure of negative control terminal |
12/19/2012 | CN202616862U Emergency power supply integrated monitoring system |
12/19/2012 | CN202616861U Dual power supply circuit for overall control part of high-voltage frequency converter |
12/19/2012 | CN202616860U Solar energy and mains supply complementation power supply control system |
12/19/2012 | CN202616822U A power supplying and energy storing device applied to electronic equipment |
12/19/2012 | CN202616809U Battery module, battery system and direct current screen power supply system |
12/19/2012 | CN202616803U Hybrid current-inversion-type power generation system using wind, light and superconducting magnetic energy storage |
12/19/2012 | CN102832701A Solar intelligent household power supply system |
12/19/2012 | CN102832700A Power supply device with multi-power input and power supply method thereof |
12/19/2012 | CN102832699A Power supply array |
12/19/2012 | CN102832698A Novel software phaselock technique applicable to micro-grid master-slave control |
12/19/2012 | CN102832697A System and method for realizing automatic failure compensation for power battery |
12/19/2012 | CN102832696A High voltage power supply rapid switching system based on power electronic switch and control method of system |
12/19/2012 | CN102832695A Device for replacing communication standby batteries |
12/19/2012 | CN102832694A Auxiliary power supply of high-power UPS (uninterrupted power supply) |
12/19/2012 | CN102832693A Double-power automatic transfer switch device of one-way direct current power distribution grid |
12/19/2012 | CN102832692A Intelligent electrical power distribution system |
12/19/2012 | CN102832691A Power supply switching device and method |
12/19/2012 | CN102832690A Manual standby power switching device for prolonging travel mileage of electrombile |
12/19/2012 | CN102832689A Emergency power supply capable of indicating undervoltage of storage battery |
12/19/2012 | CN102832688A Uninterruptible power supply |
12/19/2012 | CN102832671A Online discharge device of storage battery |
12/19/2012 | CN102832611A Parallel-form power quality conditioner for direct current power system |
12/19/2012 | CN102828906A Alternating current variable pitch control system |
12/19/2012 | CN102828905A Safe and reliable alternating-current variable-pitch control system |
12/19/2012 | CN101917011B Power quality comprehensive control method and device for electric railway traction power supply system |
12/19/2012 | CN101800443B Electric power on-site monitoring equipment |
12/13/2012 | WO2012169046A1 Uninterruptible power supply system |
12/13/2012 | WO2012169045A1 Uninterruptible power supply system |
12/13/2012 | WO2012103152A3 Harmonic mitigation devices and applications thereof |
12/13/2012 | WO2012098106A3 Sun protection, closure or blackout apparatus comprising a back-up power supply unit for an actuator and method for controlling such an apparatus |
12/13/2012 | US20120313438 Uninterruptible power supply |
12/13/2012 | US20120313437 Data center battery enhancement method and system |
12/13/2012 | DE112010004913T5 Auswählen einer einzigen WS-Quelle für ein Schaltnetzteil Selecting a single WS-source for a switching power supply |
12/13/2012 | DE102011077073A1 Notfallsystem für Stromausfälle Emergency system for power outages |
12/12/2012 | EP2533391A2 Multi-source management system of electrical generators |
12/12/2012 | CN202602724U Novel double-cell mobile phone |
12/12/2012 | CN202602363U Power supply apparatus combining solar energy and CT |
12/12/2012 | CN202602362U Smart double-backup energy saving power supply |
12/12/2012 | CN202602361U Modified structure of special dual power switching device for generator |
12/12/2012 | CN202602360U Double-power-supply automatic switching control system for mine |
12/12/2012 | CN202602359U Power supply connection device for middle-sized peak-shaving hydropower station |
12/12/2012 | CN202602358U Special-purpose fire-fighting emergency power supply |
12/12/2012 | CN202602357U Isolation type double-power automatic switch |
12/12/2012 | CN202602356U A power supply switching device with double DC inputs |
12/12/2012 | CN202602355U Wireless field device used for controlling or monitoring industrial processes, industrial process equipment or industrial process factories |
12/12/2012 | CN202602354U Bridge type current switching device |
12/12/2012 | CN202602353U Power supply switching device for primary hook motor and secondary hook motor of crown block |
12/12/2012 | CN202600918U Alarm with electro-storing and electro-discharging function |
12/12/2012 | CN202600722U Handheld verification instrument of second-generation identity cards |
12/12/2012 | CN202599447U Dam measuring and reporting instrument with wind-light complementary power generation system for power supply |
12/12/2012 | CN102820701A Automatic standby power supply converter capable of extending driving distance of electromobile |
12/12/2012 | CN102820700A Generator alternating current continuous voyage emergency power supply |
12/12/2012 | CN102820699A Intelligent digital static switch |
12/12/2012 | CN102820698A Automatic double-circuit power supply controlling system for ventilating fan of air-conditioned bus |
12/12/2012 | CN102820697A DSP (digital signal processor) based control system of uninterrupted power supply |
12/12/2012 | CN102820696A Temperature control equipment and cabinet of communication equipment |
12/12/2012 | CN102820688A Automobile power system |
12/12/2012 | CN102819945A Double type remote controller |
12/12/2012 | CN102818342A Electric power storage air-conditioner |
12/12/2012 | CN102815611A Crane power supply apparatus |
12/12/2012 | CN102223018B UPS communication generating and refrigerating set |
12/12/2012 | CN102074953B Double-purpose micro-grid system structure used for power supply and experiment |
12/12/2012 | CN102040133B Elevator power supply device |
12/12/2012 | CN102016454B Uninterruptible cooling system and apparatus |
12/12/2012 | CN101917056B 220kV bus switch spare automatic switching method of 550kV station |
12/12/2012 | CN101783252B Automatic transfer switching electric appliance and method for judging and treating failure thereof |
12/11/2012 | US8330295 Uninterruptible power supply and method for selective tripping thereof |
12/06/2012 | WO2012166109A1 Waking an electronic device |
12/06/2012 | WO2012165986A2 "energy management equipment" |
12/06/2012 | WO2012165779A2 Uninterruptible power system for electricity facilities of a large building |
12/06/2012 | WO2012165365A1 Power supply system |