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