Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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06/12/2013 | CN202997580U Silicon controlled rectifier RC protection loop in TSC apparatus |
06/12/2013 | CN202997566U Low voltage power distribution network electric energy quality comprehensive treatment device |
06/12/2013 | CN202997558U Power transmission line instant wave overvoltage buffer device |
06/12/2013 | CN202997557U Controllable trigger device for protecting 110kV transformer neutral point |
06/12/2013 | CN202997556U Inductive thunder blocking device |
06/12/2013 | CN202997555U SDI port protection circuit |
06/12/2013 | CN202997554U Coaxial E1 signal lightning protection device |
06/12/2013 | CN202997553U Signal lightning protection device |
06/12/2013 | CN202997552U Thunderbolt-prevention protection apparatus for outdoor electronic automobile scale |
06/12/2013 | CN202997551U Overvoltage protector of current transformer |
06/12/2013 | CN202997550U High frequency communication signal lightning arrester |
06/12/2013 | CN202997549U State monitoring and resonance elimination system for intelligent power grid |
06/12/2013 | CN202997548U Lightening protection device |
06/12/2013 | CN202997547U A\D (Analogue\Digital) input end clamping circuit in DSP (Digital Signal Processor) minimum system |
06/12/2013 | CN202997546U Incoming line protector |
06/12/2013 | CN202997545U Power supply lightning protection device |
06/12/2013 | CN202997544U Self-recovery lightning protection device |
06/12/2013 | CN202997543U Lightning protection device of telephone line |
06/12/2013 | CN202997542U Lightning protection device adapter box of filtering type telephone |
06/12/2013 | CN202997541U Video monitoring system surge protector capable of providing remote warning signal |
06/12/2013 | CN202997540U Earth leakage protection switch with overvoltage protection |
06/12/2013 | CN202997539U A super capacitor voltage balance protection circuit |
06/12/2013 | CN202997538U A power source electrification surge current suppression circuit |
06/12/2013 | CN202997537U Small power driving power supply peak flow suppression device |
06/12/2013 | CN202997536U IGBT type Crowbar |
06/12/2013 | CN202997525U Switching power supply interference preventer |
06/12/2013 | CN202997505U Highly-sensitive earth-wire live voltage protection device |
06/12/2013 | CN202997329U Lightning-protection power distribution cabinet |
06/12/2013 | CN202997201U Power panel capable of preventing surge current |
06/12/2013 | CN202997140U Lightning protection device |
06/12/2013 | CN202995986U Improved remote control adapter |
06/12/2013 | CN202995935U Household digitized lightning protection guard device |
06/12/2013 | CN103155329A Method and system for online ferroresonance detection |
06/12/2013 | CN103155311A Surge protection device |
06/12/2013 | CN103153705A Connector system and assembly having integrated protection circuitry |
06/12/2013 | CN103152928A Load overvoltage protection circuit and control method thereof |
06/12/2013 | CN103151769A Electrostatic discharge protection circuit and integrated circuit |
06/12/2013 | CN103151768A Method for decoupling grounding grid distance of communication bureau station in case of dangerous influence to communication bureau station caused by strong currents |
06/12/2013 | CN103151767A Method for connecting transient equipotential of grounding grid in case of dangerous influence to small-sized communication station caused by strong currents |
06/12/2013 | CN103151766A Controlled quiescent current-limiting acceleration protection circuit |
06/12/2013 | CN103151347A ESD protecting circuit and semiconductor device including the same |
06/12/2013 | CN103151014A Protection circuit for liquid crystal driver circuit |
06/12/2013 | CN102064719B LED (Light Emitting Diode) backlight power source circuit, backlight power source and multimedia device |
06/12/2013 | CN101917802B LED street lamp and driving power supply circuit thereof |
06/12/2013 | CN101902039B Power supply clamp ESD protection circuit based on NMOS feedback in a chip |
06/12/2013 | CN101842954B Adaptive electrostatic discharge (ESD) protection of device interface for local interconnect network (LIN) bus and the like |
06/11/2013 | US8464078 Delay circuit with reset feature |
06/11/2013 | US8462479 Surge protection device with improved response time |
06/11/2013 | US8462478 Over-voltage protection |
06/11/2013 | US8462477 Junction field effect transistor for voltage protection |
06/11/2013 | US8462473 Adaptive electrostatic discharge (ESD) protection circuit |
06/11/2013 | US8462471 Circuit interrupting device with high voltage surge protection |
06/06/2013 | WO2013081189A1 Relay device |
06/06/2013 | US20130141829 Current detection and limiting method and apparatus |
06/06/2013 | US20130141826 Esd protection device |
06/06/2013 | US20130141825 Esd protection circuit |
06/06/2013 | US20130141824 Electronic Device, in Particular for Protection Against Electrostatic Discharges, and Method for Protecting a Component Against Electrostatic Discharges |
06/06/2013 | US20130141823 RC-Triggered ESD Clamp Device With Feedback for Time Constant Adjustment |
06/06/2013 | US20130141202 Core |
06/06/2013 | US20130141182 Adaptive line filter |
06/06/2013 | US20130140890 Circuit, method and system for overload protection |
06/05/2013 | EP2600477A1 Mobile terminal |
06/05/2013 | EP2599180A1 The apparatus compensating ground currents connected to phase conductors of a distribution system |
06/05/2013 | EP2599179A1 The apparatus compensating ground currents connected to a transformer neutral point |
06/05/2013 | EP2599178A2 Protective circuit |
06/05/2013 | CN202979362U Taillight detection control circuit |
06/05/2013 | CN202978265U Lightning protection hardware fitting with bird attack prevention function |
06/05/2013 | CN202978264U Novel arc suppression coil damping resistance box |
06/05/2013 | CN202978263U Power supply lightning protection device |
06/05/2013 | CN202978262U Grounding-free gigabit network lightning protection device |
06/05/2013 | CN202978261U Double-channel surge protector |
06/05/2013 | CN202978260U Lightning-proof tripping protection device of printed circuit board (PCB) |
06/05/2013 | CN202978259U Two-in-one lightning protecting high definition camera |
06/05/2013 | CN202978258U Lightning arrester structure in delta and star composite connection |
06/05/2013 | CN202978257U Anti-jamming unit for control circuits |
06/05/2013 | CN202978256U Overvoltage protector |
06/05/2013 | CN202978255U Outer rotor electronic control type fan overvoltage protection circuit |
06/05/2013 | CN202978254U SVG power unit with direct current support capacitor overvoltage protection |
06/05/2013 | CN202978253U Vehicle-mounted lighting protection device |
06/05/2013 | CN202978252U Network lightning protection device |
06/05/2013 | CN202978251U Lightning arrester |
06/05/2013 | CN202978250U Emergency capacitor discharge circuit of motor controller |
06/05/2013 | CN202978249U Electrostatic interference-prevention and input surge current-suppression circuit |
06/05/2013 | CN202978248U Electrical fireproof current-limiting complete protector system cabinet |
06/05/2013 | CN202978247U Overcurrent protection circuit |
06/05/2013 | CN202978246U Protective circuit and light fixture employing protective circuit |
06/05/2013 | CN202978245U Energy-saving type lightning protection box |
06/05/2013 | CN202978225U Magnetizing?inrush?current research device for three-phase transformer |
06/05/2013 | CN202978214U Low voltage sag apparatus |
06/05/2013 | CN202978213U Power supply overvoltage protection circuit |
06/05/2013 | CN202977969U Efficient protection circuit of laser coupling power source |
06/05/2013 | CN202977419U PPTC and ESD module |
06/05/2013 | CN103141002A Protective circuit |
06/05/2013 | CN103138254A Adjustable excess voltage protective gap fine lightning protection method of power distribution network |
06/05/2013 | CN103138253A Thunder-lightening inducing arc extinction belt |
06/05/2013 | CN103138252A Lightning protective board |
06/05/2013 | CN103138251A Network communication device with instant energy protective capacity and printed circuit board thereof |
06/05/2013 | CN103138250A Efficient lighting protection device with independently separated three lines of power source |
06/05/2013 | CN103138249A Power transformer with functions of lightning protection and energy conservation and a function of preventing people from being hurt by electricity of output power grid |
06/05/2013 | CN103138248A System and method for releasing voltage from load capacitance circuit |