Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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04/11/2013 | DE102011084230A1 Verfahren zum Betreiben eines Umsetzers für einen Startermotor Method for operating a converter for a starter motor |
04/11/2013 | CA2851360A1 Input/output power and signal transfer isolator device |
04/10/2013 | EP2577827A1 Method and system for online ferroresonance detection |
04/10/2013 | CN202873261U Antenna isolator |
04/10/2013 | CN202872625U Anti-surge power input filter |
04/10/2013 | CN202872362U Intelligent resonance eliminator |
04/10/2013 | CN202872361U Resonance elimination apparatus |
04/10/2013 | CN202872360U LED power supply |
04/10/2013 | CN202872359U Secondary open circuit protector of current transformer |
04/10/2013 | CN202872358U Brake main circuit provided with capacitance-resistance absorbing device |
04/10/2013 | CN202872357U Optimized comprehensive protection device of power grid |
04/10/2013 | CN202872356U Surge suppression circuit |
04/10/2013 | CN202872355U Lightening protection circuit |
04/10/2013 | CN202872354U Current buffer |
04/10/2013 | CN202872353U Zero-loss deep current-limiting device |
04/10/2013 | CN202872338U Power generator protection device with de-excitation protection and overvoltage protection functions |
04/10/2013 | CN202870502U Anti-electricity-stealing controller |
04/10/2013 | CN103038967A Overvoltage protection for AC power source |
04/10/2013 | CN103036266A Overcharge prevention circuit and semiconductor device |
04/10/2013 | CN103036225A Lightning protection technology |
04/10/2013 | CN103036224A Low residual voltage lightning protection device for power supply |
04/10/2013 | CN103036223A Asymmetrical digital subscriber loop (ADSL) terminal device lighting protection circuit |
04/10/2013 | CN103036222A Control strategy optimization method for full container load (FCL) device control and protection system |
04/10/2013 | CN103036221A Bus capacitance module and power unit |
04/10/2013 | CN103036220A Electro spark detector (ESD) circuit protection structure |
04/10/2013 | CN103036196A Device for overvoltage protection and method thereof |
04/10/2013 | CN103035695A Low-capacity high-speed transmission semiconductor surge protective device |
04/10/2013 | CN103035635A Electrostatic discharge protection device |
04/10/2013 | CN103035633A Electrostatic discharge protection device |
04/10/2013 | CN103034777A Method and device for counting energisation events |
04/10/2013 | CN103033665A Lightning surge detector, surge protective device, and management system for surge protective device |
04/10/2013 | CN102148225B Smokeless electrostatic discharge protection circuit for integrated circuit device |
04/10/2013 | CN101997305B Reverse voltage protection circuit and power tube device |
04/10/2013 | CN101710700B Semiconductor integrated circuit |
04/10/2013 | CN101673927B Method for starting recloser of extra high-voltage transmission line |
04/09/2013 | US8416549 Method for providing over-voltage protection and circuit therefor |
04/09/2013 | US8416546 Method and circuit arrangement for detecting the state of a load device which can be connected to a switching connection |
04/09/2013 | US8416545 Power amplifier module with shared ESD protection circuit |
04/09/2013 | US8416543 Apparatus and method for electronic circuit protection |
04/09/2013 | US8416542 Electronic device |
04/04/2013 | WO2013019284A3 Circuit interrupter with improved surge suppression |
04/04/2013 | WO2013017366A3 Over-voltage protection device having a coil assembly |
04/04/2013 | US20130083441 Lightning surge detector, surge protective device, and management system for surge protective device |
04/04/2013 | US20130083440 Overvoltage protection component, and overvoltage protection material for overvoltage protection component |
04/04/2013 | US20130083439 High-frequency module |
04/04/2013 | US20130083438 ESD Protection for FinFETs |
04/04/2013 | US20130083437 Esd detection circuit and esd elimination device |
04/04/2013 | US20130083436 Electrostatic discharge protection |
04/04/2013 | US20130083435 Method And Apparatus For Moving Material |
04/04/2013 | DE112011100449T5 Verfahren zum Überprüfen eines Kurzschluss-Schutzsystems in einer Abzweigleitung sowie Diagnoseeinrichtung zum Durchführen des Verfahrens Method for checking a short circuit protection system in a branch line and diagnostic device for carrying out the method |
04/03/2013 | EP2575228A1 Lightning protection circuit |
04/03/2013 | CN202856347U RC damping device for suppressing secondary arc of extra/ultra high voltage transmission line |
04/03/2013 | CN202856346U Pure plumbago loop gap type surge protector |
04/03/2013 | CN202856345U Direct current lightning prevention electrostatic prevention protection circuit |
04/03/2013 | CN202856344U DC blocking type low residual pressure gas tube lightning arrester |
04/03/2013 | CN202856343U Circuit for eliminating residual voltage of capacitors |
04/03/2013 | CN202856342U Grounding-free isolation type lightning protection device |
04/03/2013 | CN202856341U Antenna type lightning protection device used in radio communication |
04/03/2013 | CN202856340U Electro-static discharge interference resisting circuit with metal dome button |
04/03/2013 | CN202856339U Lightning protection and alarm structure |
04/03/2013 | CN202856338U Overheat, over-current and over-voltage lightning protector and lightning protection circuit |
04/03/2013 | CN202856337U Lightning protection functional circuit for leakage breaker |
04/03/2013 | CN202856336U USB interface circuit and vehicle equipment |
04/03/2013 | CN202856335U Overvoltage intelligent regulation and control device |
04/03/2013 | CN202856334U Interchangeable circuit for split type three-phase current transformer |
04/03/2013 | CN202856333U Frequency output driving circuit |
04/03/2013 | CN202856332U Isolation protection device and isolation protection circuit preventing ground potential high voltage counterattack |
04/03/2013 | CN202856331U Electronic wagon balance lightning protection case |
04/03/2013 | CN202856330U Composite electric drainage |
04/03/2013 | CN202856329U Grounding-free lightning pulse isolator |
04/03/2013 | CN202856318U Lightning protection structure for counterattack current division of transformer |
04/03/2013 | CN103025029A Improved buffering and current limiting circuit for direct-current power source of LED lamp |
04/03/2013 | CN103023284A Systems and methods for discharging bus voltage using semiconductor devices |
04/03/2013 | CN103023030A Portable household power saver |
04/03/2013 | CN103023010A Control unit for automobile |
04/03/2013 | CN103023009A Novel turn-adjustable switching device for secondary damping resistor of arc suppression coil |
04/03/2013 | CN103023008A Movable ejection lightning discharger powered by solar cell |
04/03/2013 | CN103023007A Network lightning protector with network signal extension function |
04/03/2013 | CN103023006A Overvoltage protection device |
04/03/2013 | CN103023005A Electrostatic protection circuit and battery protection circuit |
04/03/2013 | CN103023004A Surge suppression circuit |
04/03/2013 | CN103023003A Over-voltage absorption circuit and over-voltage absorption device |
04/03/2013 | CN103023002A Digital IGBT (Insulated Gate Bipolar Transistor) series connection voltage-sharing circuit based on look-up table |
04/03/2013 | CN103023001A Strip for surge protector |
04/03/2013 | CN103023000A Power grid current limiting device, power grid current limiter and power grid current limiting system |
04/03/2013 | CN103022999A Anti-surge protective patch board |
04/03/2013 | CN103022998A 半导体装置 Semiconductor device |
04/03/2013 | CN103022997A 静电放电保护装置 Electrostatic discharge protection device |
04/03/2013 | CN103022996A Electronic static discharge protection circuit and electronic static discharge protection method |
04/03/2013 | CN103022983A Array type klystron thermal effect over-current protection method |
04/03/2013 | CN103022970A High-sensitivity earth wire voltage protection device |
04/03/2013 | CN103022967A Active lightning protector |
04/03/2013 | CN102082365B Plug-push structure of surge protector |
04/03/2013 | CN102064542B Impedance composite superconducting fault current limiter based on novel superconducting material |
04/03/2013 | CN101931206B Over-current protection method |
04/03/2013 | CN101675566B Parallel connected HTSFCL device |
04/02/2013 | US8411403 Voltage surge and overvoltage protection with current surge protection |
04/02/2013 | US8411401 Method for current conditioning, in particular on a fault current limiter |
04/02/2013 | US8411398 Electrostatic discharge protection |
04/02/2013 | US8411397 Power supply apparatus and method |