Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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04/30/2014 | CN203574362U Surge protector with smoke sensing and alarm functions |
04/30/2014 | CN203574361U Antenna feeder lightning protection device of RF radio frequency device for LED control |
04/30/2014 | CN203574360U Refrigerator with surge protection |
04/30/2014 | CN203574346U Current limiting protection circuit |
04/30/2014 | CN203573244U PC (personal computer) internet access circuit structure |
04/30/2014 | CN203564668U Power surge protection device with automatic fire extinguishing plants |
04/30/2014 | CN103765715A Circuit assembly for protecting against electrostatic discharges |
04/30/2014 | CN103762835A Starting inrush current suppression circuit |
04/30/2014 | CN103762578A Intelligent tuning compensation package unit |
04/30/2014 | CN103762577A Communication line thunder prevention device |
04/30/2014 | CN103762576A Self-saturation electric reactor type fault current limiter |
04/30/2014 | CN103762575A High-voltage superconductivity current limiter separating cold and hot media from container and designing method of high-voltage superconductivity current limiter |
04/30/2014 | CN103762547A Modular high-voltage vacuum direct current on-off device based on artificial zero crossing |
04/30/2014 | CN102208800B Adaptive insulated gate bipolar transistor (IGBT) series-connection voltage-sharing circuit with overcurrent protection function |
04/30/2014 | CN102082428B Surge protection device with signal safely-acquiring function and system |
04/29/2014 | US8711537 ESD protection device and method for producing the same |
04/29/2014 | US8711534 Battery power management system and method |
04/29/2014 | US8711532 Integrated advance copper fuse combined with ESD/over-voltage/reverse polarity protection |
04/29/2014 | US8711464 Protection circuit, substrate for electro-optical device, electro-optical device, electrophoretic display device, electronic apparatus, and manufacturing method of electro-optical device |
04/29/2014 | US8710850 System and method for detecting an earth ground fault of an external power supply connected to a vehicle |
04/29/2014 | CA2341552C Circuit interrupting system with independent trip and reset lockout |
04/24/2014 | US20140111895 Surge protection circuit |
04/24/2014 | US20140111893 Protection circuit |
04/24/2014 | US20140111892 Bi-directional bipolar junction transistor for high voltage electrostatic discharge protection |
04/24/2014 | US20140111890 Bi-directional bipolar junction transistor for high voltage electrostatic discharge protection |
04/24/2014 | DE10315176B4 Überspannungsschutzschaltung An overvoltage protection circuit |
04/23/2014 | CN203562948U Novel filter board |
04/23/2014 | CN203562777U Unidirectional grounding fault processing device of isolated neutral system |
04/23/2014 | CN203562776U Outdoor LED lighting equipment signal lighting arrester |
04/23/2014 | CN203562775U Single lamp lightning protection module of outdoor LED lighting equipment |
04/23/2014 | CN203562774U Alternating-current lightning protection module for LED lighting equipment |
04/23/2014 | CN203562773U Surge protector |
04/23/2014 | CN203562772U Floated high overvoltage surge inhibition power supply filter circuit |
04/23/2014 | CN203562771U Inductive thunder prevention device used for long distance pipeline valve chamber equipment |
04/23/2014 | CN203562770U District lightning protection distribution box for LED lighting equipment under TN-S power supply system |
04/23/2014 | CN203562769U Protection circuit applied to USB flash disk port |
04/23/2014 | CN203562668U Main district lightning protection distribution box for outdoor LED lighting equipment |
04/23/2014 | CN203562612U Lightning protection power strip for indoor LED lighting equipment |
04/23/2014 | CN103748753A Protection circuit in triac applications |
04/23/2014 | CN103748752A Start-up circuit |
04/23/2014 | CN103746399A Main circuit and method for improving voltage-source transverter DC power-transmission fault ride-through capability |
04/23/2014 | CN103746363A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method thereof |
04/23/2014 | CN103746362A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method |
04/23/2014 | CN103746361A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method thereof |
04/23/2014 | CN103746360A High voltage pulse modulator klystron protector |
04/23/2014 | CN103746359A Current-limiting signal generating circuit and uninterrupted power supply system |
04/23/2014 | CN103746358A Surge suppression circuit, switching device and set-top box |
04/23/2014 | CN102496920B Surge protection device and method for detecting faults by using surge protection device |
04/23/2014 | CN102315633B Electrostatic protection circuit |
04/23/2014 | CN102074942B Overcurrent protection circuit |
04/22/2014 | US8705221 Surge arrester having an optical fault indicator |
04/22/2014 | US8705218 Input buffer protection |
04/22/2014 | US8705217 Electrostatic discharge protection circuit |
04/22/2014 | US8705215 High voltage fault current limiter having immersed phase coils |
04/22/2014 | US8704531 Loop element and noise analyzer |
04/17/2014 | WO2014058737A1 Crystal oscillator with electrostatic discharge (esd) compliant drive level limiter |
04/17/2014 | WO2013109138A3 Protection circuitry for power amplifier |
04/17/2014 | US20140104733 Combination esd protection circuits and methods |
04/17/2014 | DE202014002496U1 Überspannungsschutzeinrichtung, umfassend mindestens einen Überspannungsableiter und eine dem Überspannungsableiter parallel geschaltete, thermisch auslösbare, federvorgespannte Kurzschliessschalteinrichtung Overvoltage protection device comprising at least one surge and the surge in parallel, thermally releasable spring biased Kurzschliessschalteinrichtung |
04/17/2014 | DE102012218832A1 Rail vehicle lightning conductor unit, has surge arrester for deriving over-voltage light-produced by rail vehicle against ground, fixing unit fixing surge arrester at vehicle element, and insulation housing partly surrounding arrester |
04/16/2014 | EP2720336A2 Circuit for preventing static electricity of a display panel and display device including the same |
04/16/2014 | CN203553940U Dual-DSP-based controller of voltage compensation and fault current limiting mixed system |
04/16/2014 | CN203553932U High-capacity dual-adjusting turn-adjusting arc-extinguishing coil |
04/16/2014 | CN203553931U Dry type arc-extinguishing coil complete equipment |
04/16/2014 | CN203553930U Small-volume surge protector |
04/16/2014 | CN203553929U Electrostatic protection circuit of CAN bus |
04/16/2014 | CN203553928U Button starting type surge protector |
04/16/2014 | CN203553927U Weight release type surge protector |
04/16/2014 | CN203553926U Easy installation tube type lightning protection device |
04/16/2014 | CN203553925U Instantaneous overvoltage protection device for high energy consumption monitoring system |
04/16/2014 | CN203553924U Surge protection circuit and protector with grounding-state indication function |
04/16/2014 | CN203553923U An intelligent protection circuit of a CAN transceiver |
04/16/2014 | CN203553922U A reverse direction voltage protector and a vehicle |
04/16/2014 | CN203553921U Spliced type overvoltage protector |
04/16/2014 | CN203553920U Detachable unit type overvoltage protector |
04/16/2014 | CN203553919U LED lamp control signal protection circuit |
04/16/2014 | CN203553918U Video-monitoring circuit three-in-one surge protector |
04/16/2014 | CN203553917U Two-stage power supply protection and distribution device |
04/16/2014 | CN203553916U Safety protection apparatus with function of automatic releasing for surge protection device in overheating state |
04/16/2014 | CN203553915U Electrostatic protection circuit of HDMI interface |
04/16/2014 | CN203553899U Neutral point-mounted electronic-type fast resonance elimination device |
04/16/2014 | CN203553313U Surge protection circuit |
04/16/2014 | CN203552384U Box type power supply surge protector equipped with infrared alarm |
04/16/2014 | CN103731956A LED driving power surge voltage protection circuit and driving circuit |
04/16/2014 | CN103731203A EPON device networking structure with anti-thunder function |
04/16/2014 | CN103731199A Neighborhood EPON network equipment protected by multiple stages of power supplies |
04/16/2014 | CN103730890A Method for restraining secondary arc current of transposition-free super-high voltage/ultra-high voltage transmission line |
04/16/2014 | CN103730889A Computing method for minimum switching time of closing resistor of high-capacity main transformer |
04/16/2014 | CN103730888A Electrostatic discharge protection circuit for antenna interface |
04/16/2014 | CN103730887A Buffer for absorbing release energy of distribution capacitor |
04/16/2014 | CN103730886A Protective circuit of USB flash disk port |
04/16/2014 | CN103730857A Armoured central alternating-current closed metal switch cabinet |
04/16/2014 | CN103728887A Electricity-larceny-preventing controller |
04/16/2014 | CN102148497B Optimal configuration method of series reactor for limiting short-circuit current |
04/16/2014 | CN102013672B Low-electric leakage high-voltage power supply electrostatic discharge protective circuit realized by utilizing low-voltage component |
04/16/2014 | CN101930975B Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (tvs) |
04/16/2014 | CN101873755B Discharge lamp lighting device and illuminator |
04/15/2014 | US8699198 Compact transient voltage surge suppression device |
04/15/2014 | US8699195 System and method for detection of multiple current limits |
04/15/2014 | US8699194 Shunt protection module and method for series connected devices |