Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2014
04/30/2014CN203574362U Surge protector with smoke sensing and alarm functions
04/30/2014CN203574361U Antenna feeder lightning protection device of RF radio frequency device for LED control
04/30/2014CN203574360U Refrigerator with surge protection
04/30/2014CN203574346U Current limiting protection circuit
04/30/2014CN203573244U PC (personal computer) internet access circuit structure
04/30/2014CN203564668U Power surge protection device with automatic fire extinguishing plants
04/30/2014CN103765715A Circuit assembly for protecting against electrostatic discharges
04/30/2014CN103762835A Starting inrush current suppression circuit
04/30/2014CN103762578A Intelligent tuning compensation package unit
04/30/2014CN103762577A Communication line thunder prevention device
04/30/2014CN103762576A Self-saturation electric reactor type fault current limiter
04/30/2014CN103762575A High-voltage superconductivity current limiter separating cold and hot media from container and designing method of high-voltage superconductivity current limiter
04/30/2014CN103762547A Modular high-voltage vacuum direct current on-off device based on artificial zero crossing
04/30/2014CN102208800B Adaptive insulated gate bipolar transistor (IGBT) series-connection voltage-sharing circuit with overcurrent protection function
04/30/2014CN102082428B Surge protection device with signal safely-acquiring function and system
04/29/2014US8711537 ESD protection device and method for producing the same
04/29/2014US8711534 Battery power management system and method
04/29/2014US8711532 Integrated advance copper fuse combined with ESD/over-voltage/reverse polarity protection
04/29/2014US8711464 Protection circuit, substrate for electro-optical device, electro-optical device, electrophoretic display device, electronic apparatus, and manufacturing method of electro-optical device
04/29/2014US8710850 System and method for detecting an earth ground fault of an external power supply connected to a vehicle
04/29/2014CA2341552C Circuit interrupting system with independent trip and reset lockout
04/24/2014US20140111895 Surge protection circuit
04/24/2014US20140111893 Protection circuit
04/24/2014US20140111892 Bi-directional bipolar junction transistor for high voltage electrostatic discharge protection
04/24/2014US20140111890 Bi-directional bipolar junction transistor for high voltage electrostatic discharge protection
04/24/2014DE10315176B4 Überspannungsschutzschaltung An overvoltage protection circuit
04/23/2014CN203562948U Novel filter board
04/23/2014CN203562777U Unidirectional grounding fault processing device of isolated neutral system
04/23/2014CN203562776U Outdoor LED lighting equipment signal lighting arrester
04/23/2014CN203562775U Single lamp lightning protection module of outdoor LED lighting equipment
04/23/2014CN203562774U Alternating-current lightning protection module for LED lighting equipment
04/23/2014CN203562773U Surge protector
04/23/2014CN203562772U Floated high overvoltage surge inhibition power supply filter circuit
04/23/2014CN203562771U Inductive thunder prevention device used for long distance pipeline valve chamber equipment
04/23/2014CN203562770U District lightning protection distribution box for LED lighting equipment under TN-S power supply system
04/23/2014CN203562769U Protection circuit applied to USB flash disk port
04/23/2014CN203562668U Main district lightning protection distribution box for outdoor LED lighting equipment
04/23/2014CN203562612U Lightning protection power strip for indoor LED lighting equipment
04/23/2014CN103748753A Protection circuit in triac applications
04/23/2014CN103748752A Start-up circuit
04/23/2014CN103746399A Main circuit and method for improving voltage-source transverter DC power-transmission fault ride-through capability
04/23/2014CN103746363A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method thereof
04/23/2014CN103746362A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method
04/23/2014CN103746361A Ultra/extra-high voltage power transmission line secondary arc suppression circuit and method thereof
04/23/2014CN103746360A High voltage pulse modulator klystron protector
04/23/2014CN103746359A Current-limiting signal generating circuit and uninterrupted power supply system
04/23/2014CN103746358A Surge suppression circuit, switching device and set-top box
04/23/2014CN102496920B Surge protection device and method for detecting faults by using surge protection device
04/23/2014CN102315633B Electrostatic protection circuit
04/23/2014CN102074942B Overcurrent protection circuit
04/22/2014US8705221 Surge arrester having an optical fault indicator
04/22/2014US8705218 Input buffer protection
04/22/2014US8705217 Electrostatic discharge protection circuit
04/22/2014US8705215 High voltage fault current limiter having immersed phase coils
04/22/2014US8704531 Loop element and noise analyzer
04/17/2014WO2014058737A1 Crystal oscillator with electrostatic discharge (esd) compliant drive level limiter
04/17/2014WO2013109138A3 Protection circuitry for power amplifier
04/17/2014US20140104733 Combination esd protection circuits and methods
04/17/2014DE202014002496U1 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
04/17/2014DE102012218832A1 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
04/16/2014EP2720336A2 Circuit for preventing static electricity of a display panel and display device including the same
04/16/2014CN203553940U Dual-DSP-based controller of voltage compensation and fault current limiting mixed system
04/16/2014CN203553932U High-capacity dual-adjusting turn-adjusting arc-extinguishing coil
04/16/2014CN203553931U Dry type arc-extinguishing coil complete equipment
04/16/2014CN203553930U Small-volume surge protector
04/16/2014CN203553929U Electrostatic protection circuit of CAN bus
04/16/2014CN203553928U Button starting type surge protector
04/16/2014CN203553927U Weight release type surge protector
04/16/2014CN203553926U Easy installation tube type lightning protection device
04/16/2014CN203553925U Instantaneous overvoltage protection device for high energy consumption monitoring system
04/16/2014CN203553924U Surge protection circuit and protector with grounding-state indication function
04/16/2014CN203553923U An intelligent protection circuit of a CAN transceiver
04/16/2014CN203553922U A reverse direction voltage protector and a vehicle
04/16/2014CN203553921U Spliced type overvoltage protector
04/16/2014CN203553920U Detachable unit type overvoltage protector
04/16/2014CN203553919U LED lamp control signal protection circuit
04/16/2014CN203553918U Video-monitoring circuit three-in-one surge protector
04/16/2014CN203553917U Two-stage power supply protection and distribution device
04/16/2014CN203553916U Safety protection apparatus with function of automatic releasing for surge protection device in overheating state
04/16/2014CN203553915U Electrostatic protection circuit of HDMI interface
04/16/2014CN203553899U Neutral point-mounted electronic-type fast resonance elimination device
04/16/2014CN203553313U Surge protection circuit
04/16/2014CN203552384U Box type power supply surge protector equipped with infrared alarm
04/16/2014CN103731956A LED driving power surge voltage protection circuit and driving circuit
04/16/2014CN103731203A EPON device networking structure with anti-thunder function
04/16/2014CN103731199A Neighborhood EPON network equipment protected by multiple stages of power supplies
04/16/2014CN103730890A Method for restraining secondary arc current of transposition-free super-high voltage/ultra-high voltage transmission line
04/16/2014CN103730889A Computing method for minimum switching time of closing resistor of high-capacity main transformer
04/16/2014CN103730888A Electrostatic discharge protection circuit for antenna interface
04/16/2014CN103730887A Buffer for absorbing release energy of distribution capacitor
04/16/2014CN103730886A Protective circuit of USB flash disk port
04/16/2014CN103730857A Armoured central alternating-current closed metal switch cabinet
04/16/2014CN103728887A Electricity-larceny-preventing controller
04/16/2014CN102148497B Optimal configuration method of series reactor for limiting short-circuit current
04/16/2014CN102013672B Low-electric leakage high-voltage power supply electrostatic discharge protective circuit realized by utilizing low-voltage component
04/16/2014CN101930975B Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (tvs)
04/16/2014CN101873755B Discharge lamp lighting device and illuminator
04/15/2014US8699198 Compact transient voltage surge suppression device
04/15/2014US8699195 System and method for detection of multiple current limits
04/15/2014US8699194 Shunt protection module and method for series connected devices
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ... 213