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