Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
10/2011
10/12/2011CN102214655A Stacked ESD protection circuit having reduced trigger voltage
10/12/2011CN102214654A Chip with ESD protection function
10/12/2011CN101604841B Arc extinguishing control device for contact net
10/12/2011CN101566283B Concentrative-driving combined LED light fitting
10/11/2011US8035946 Overvoltage protector circuit and a detector circuit for supervising such a protector circuit
10/11/2011US8035943 Protection circuit apparatus
10/11/2011US8035942 Safety switch device
10/11/2011US8035940 Over-voltage protection circuit structure and method thereof
10/11/2011US8035938 Active current surge limiters
10/06/2011US20110242714 Semiconductor integrated circuit device
10/06/2011US20110242713 Planar voltage protection assembly
10/06/2011US20110242712 Chip with esd protection function
10/06/2011US20110242709 Power source voltage protective device and power source voltage protection method
10/05/2011EP2372867A1 A parallel device for a battery module and controlling method thereof
10/05/2011EP2371001A1 Antenna assemblies for use with portable communications devices
10/05/2011EP1535308B1 Protected dual-voltage microcircuit power arrangement
10/05/2011EP1368874B8 Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies
10/05/2011CN202004902U Video monitoring lightning protection device
10/05/2011CN202004453U High-voltage flexible overvoltage suppression device
10/05/2011CN202004452U Controllable discharge circuit for photovoltaic inverter
10/05/2011CN202004451U Secondary open circuit protection device of intelligent current transformer
10/05/2011CN202004450U Nighttime recognition device for electric transmission line
10/05/2011CN202004449U Lightning protection filter of electronic shelter
10/05/2011CN202004448U Surge protection device for communication cabinet
10/05/2011CN202004447U Overvoltage and overcurrent protection circuit and conversion module
10/05/2011CN202004446U Pipeline decoupling device
10/05/2011CN202004420U Protection circuit of high-voltage therapeutic apparatus circuit
10/05/2011CN1649227B Static discharging protective circuit with two or multiple voltage supply electronic circuit
10/05/2011CN102210077A Device and method for limiting the rail potential in a DC railway
10/05/2011CN102208805A Power supply clamping circuit
10/05/2011CN102208804A Electronic device
10/05/2011CN102208803A Parallel-connection type current limiter of multi-objective short-circuit current faults
10/05/2011CN102208802A Power switching tube overcurrent detection and overcurrent protection circuit
10/05/2011CN102208800A Adaptive insulated gate bipolar transistor (IGBT) series-connection voltage-sharing circuit with overcurrent protection function
10/05/2011CN102208412A SCR structure used for ESD protection of integrated circuit output stage
10/05/2011CN102208408A Gate-drive thyristor and electrostatic protection circuit
10/05/2011CN101673944B Protective circuit for anti-strong electromagnetic pulse interference
10/05/2011CN101227779B Insulation type general use illumination LED driving circuit
10/04/2011USRE42785 Semiconductor module with serial bus connection to multiple dies
10/04/2011US8031455 System and method for circuit overcurrent protection
10/04/2011US8031447 Transformer through-fault current monitor
10/04/2011US8030796 System and method for controlling current in a movable barrier operator
09/2011
09/29/2011WO2011119723A2 Ethernet surge protector
09/29/2011WO2011119437A1 Apparatus and method for electronic circuit protection
09/29/2011WO2011116488A1 Method and apparatus for suppressing an inrush current of a trans former
09/29/2011WO2011041801A3 Rf coaxial surge protectors with non-linear protection devices
09/29/2011US20110235226 Arrangement and method for protecting a power supply circuit component
09/29/2011US20110235223 Circuit protection system
09/29/2011US20110235222 Output short to ground protection circuit
09/29/2011US20110235220 Regulating system having overvoltage protection circuit and current protection circuit
09/29/2011DE102010012684A1 Überspannungsschutzgerät Surge protection device
09/28/2011EP2368325A1 Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry
09/28/2011CN201995169U Driving power supply of high-power LED (light-emitting diode) street lamp
09/28/2011CN201994898U 同步电机静态励磁可控整流功率单元 Static Excitation synchronous motor controlled rectifier power unit
09/28/2011CN201994658U 一种带失效检测功能的信号防雷器 A band signal mine failure detection function
09/28/2011CN201994657U 具有避雷装置的光伏组件 PV modules with a lightning protection device
09/28/2011CN201994656U 大型海上风力发电机组防雷系统 Large offshore wind turbine lightning protection systems
09/28/2011CN201994655U 以太网供电网络防雷器 Power over Ethernet Network mine
09/28/2011CN201994654U 110kV阻容吸收器 110kV RC absorber
09/28/2011CN201994653U 一种非晶合金干式变压器过电压保护系统 An amorphous alloy dry-type transformer over-voltage protection systems
09/28/2011CN201994652U 电流互感器开路保护器 Open circuit protection current transformer
09/28/2011CN201994651U 防雷保护控制板及防雷摄像机装置 Camera control panel and lightning lightning protection devices
09/28/2011CN201994650U 变电站防雷击接地装置 Substation lightning grounding device
09/28/2011CN201994649U Equipment and system for performing surge protection and signal adjustment to isolated surge input of PE
09/28/2011CN201994648U Vdsl型固体保安模块 Vdsl type solid security module
09/28/2011CN201994634U 一种用于变压器的保护装置 A protective device for the transformer
09/28/2011CN102204054A Low voltage electrostatic discharge protection
09/28/2011CN102204053A Multi-staged overvoltage protection circuit, in particular for information-technology systems
09/28/2011CN102204052A Inherently safe modular control system
09/28/2011CN102202447A Heat-resistant and lightning proof LED driving power supply without electrolytic capacitor
09/28/2011CN102201748A Power supply
09/28/2011CN102201686A Semiconductor integrated circuit
09/28/2011CN102201667A Surge protector for large through-flow power module
09/28/2011CN102201666A Control circuit and motor device using control circuit
09/28/2011CN102201665A Electrostatic discharge protection device
09/28/2011CN102201664A Voltage-stabilizing circuit system
09/28/2011CN102201663A Protection circuit
09/28/2011CN102201657A Power distributor
09/28/2011CN101764357B Module type lightening arrestor for high-energy power
09/27/2011US8027137 Power filter
09/27/2011US8027135 Fault current limiter
09/25/2011CA2734911A1 Bridging unit
09/22/2011US20110228432 Resin composition for filling discharge gap and electrostatic discharge protector
09/22/2011US20110228431 Battery cell and electronic apparatus with electrostatic discharge protection
09/22/2011US20110228430 Power distribution unit
09/21/2011EP2367253A2 Photovoltaic fields, some with switches to bypass modules
09/21/2011CN201986202U 一种led模组防静电网络 One kind of led module anti-static network
09/21/2011CN201985792U 一种带多级防雷保护的光伏汇流装置 PV combiner device with a multi-stage lightning protection
09/21/2011CN201985770U 一种电子伺服变压器以及伺服/变频系统 An electronic servo and servo transformer / inverter system
09/21/2011CN201985626U Novel equipment for power distribution system
09/21/2011CN201985524U 一种带短路保护的本安信号防雷器 An intrinsically safe signal mine with short-circuit protection
09/21/2011CN201985523U 一种便携式的电源和信号电涌保护器 A portable power and signal surge protector
09/21/2011CN201985522U 防爆变流器直流母线快速放电电路 Explosion converter rapid discharge of the DC link circuit
09/21/2011CN201985521U 雷击电压突波吸收器 Struck by lightning voltage surge absorber
09/21/2011CN201985520U 交流线雷击保护装置 AC line lightning protection devices
09/21/2011CN201985519U 电容脉冲放电装置、电容投切开关 Capacitance pulse discharge device, capacitor switching switch
09/21/2011CN201985518U 一种限流转换器 One kind of limiting converter
09/21/2011CN201985517U 限流消谐器 Limiting harmonic elimination
09/21/2011CN201985516U 一种串电容抑制高压变压器中性点直流电流的隔离装置 A Serial capacitors suppress high voltage direct current transformer neutral isolation device
09/21/2011CN201985515U 一种基于晶闸管和二极管的混合桥式短路限流器 Thyristors and diodes based on a mixture of short-circuit current limiter bridge
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