Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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05/09/2012 | CN102447250A Simple and practical lightning protection circuit |
05/09/2012 | CN102447249A ESD power clamp for high-voltage applications |
05/09/2012 | CN102447248A Pull-down current input output circuit |
05/09/2012 | CN101783508B Full-electronic security unit module |
05/09/2012 | CN101598933B Automatic tuning communication control method for digital arc suppression coil |
05/09/2012 | CN101533830B Electrostatic discharge protecting device of high-voltage cushion |
05/09/2012 | CN101505056B Peak current limiting apparatus |
05/09/2012 | CN101477883B Isolated transformer device, printed circuit board and manufacturing process thereof |
05/09/2012 | CN101378193B Method and apparatus for providing electrostatic discharge protection for a power supply |
05/08/2012 | US8174810 Method and apparatus for reducing differential mode and common mode reflections in motor drives |
05/08/2012 | US8174807 Integrated circuit with device for protection against electrostatic discharges |
05/08/2012 | US8174806 Electrostatic discharge protection element and electrostatic discharge protection circuit including the same |
05/08/2012 | US8174804 Circuit breakers with ground fault and overcurrent trip |
05/08/2012 | US8174802 Switching regulator and operations control method thereof |
05/08/2012 | US8174132 Folded surface capacitor in-line assembly |
05/03/2012 | US20120106012 Method and device for fault analysis and redundancy switching in a power supply for an instrument cable towed in water |
05/03/2012 | US20120106011 Semiconductor device and systems including the same |
05/03/2012 | US20120106010 Method and system for electrostatic discharge protection |
05/03/2012 | US20120106009 Shunt Regulator at Excitation Output of Generator Control Unit for Overvoltage Protection |
05/03/2012 | US20120106007 Shunt Regulator for Overvoltage Protection at Transformer Rectifier Unit of Electrical Generating System |
05/03/2012 | DE102010043091A1 Control connecting module for operating starter i.e. electromotor, of internal combustion engine of passenger car, has controller for controlling starter current based on electrical value at pre-resistor |
05/02/2012 | EP2448077A1 A limiter circuit and a method for limiting voltages |
05/02/2012 | EP2446515A1 Method and apparatus for intrinsically safe operation of a communication device |
05/02/2012 | EP2446489A2 Technique for limiting transmission of fault current |
05/02/2012 | CN202210678U Round spiral line type RF lightning arrester with isolation device |
05/02/2012 | CN202210677U Lightening proof partition plate |
05/02/2012 | CN202210676U Multi-port communication radio-frequency lightning protection device |
05/02/2012 | CN202210675U FM chip protective circuit |
05/02/2012 | CN1716725B Apparatus and method for protecting multi-function products from surge voltage |
05/02/2012 | CN102437771A Passive discharging circuit of inverter input terminal |
05/02/2012 | CN102437564A Redundant systems, methods, and apparatus for use in arc flash prevention systems |
05/02/2012 | CN102437563A Single-power circuit and multi-power circuit |
05/02/2012 | CN102437562A Resettable fuse type overvoltage and overcurrent protection circuit |
05/02/2012 | CN102437561A Combined signal type lightning protection device with remote signaling function |
05/02/2012 | CN102437560A Surge current suppression circuit module with recoverable over-current protection function |
05/02/2012 | CN102437559A Electrostatic discharge (ESD) protection circuit |
05/02/2012 | CN102437558A ESD (electrostatic discharge) protection circuit |
05/02/2012 | CN101728823B Voltage adjusting device |
05/02/2012 | CN101710699B Lightning protection device of monitoring equipment |
05/02/2012 | CN101657900B Stacked ESD protection circuit having reduced trigger voltage |
05/01/2012 | US8169763 Transient blocking unit having an enhancement mode device in the primary current path |
05/01/2012 | US8169761 ESD clamp circuit applied to power amplifier |
05/01/2012 | US8169760 Signal and power supply integrated ESD protection device |
05/01/2012 | US8169758 Path sharing high-voltage ESD protection using distributed low-voltage clamps |
04/26/2012 | WO2012030963A3 Overvoltage protection for ac power source |
04/26/2012 | US20120099232 Semiconductor integrated circuit |
04/26/2012 | US20120099231 Discharge gap filling composition and electrostatic discharge protector |
04/26/2012 | US20120099230 Electrostatic discharge protection circuit |
04/26/2012 | US20120099229 Semiconductor ESD Device and Method |
04/26/2012 | US20120099228 Esd protection for rf circuits |
04/25/2012 | CN202206604U Led驱动电源控制电路 Led drive power control circuit |
04/25/2012 | CN202206195U 电力电缆接地环流监测装置电源 Power cable ground loop power monitoring device |
04/25/2012 | CN202206138U 一种带有馈电功能的圆形螺旋线射频防雷器 A feed circular spiral RF functions with lightning |
04/25/2012 | CN202206137U 电信终端设备防雷击保护电路 Telecommunications terminal equipment against lightning protection circuit |
04/25/2012 | CN202206136U 电器过压保护器 Electrical overvoltage protection |
04/25/2012 | CN202206135U 电能计量防过电压装置 Energy metering device against excessive voltage |
04/25/2012 | CN202206134U Led过压及开路保护装置 Led overvoltage and open circuit protection devices |
04/25/2012 | CN202206133U 一种入户信号线防雷隔离器及带有该隔离器的电源插座 A home signal line lightning isolators and power outlet with the isolator |
04/25/2012 | CN202206132U 一种磁控型故障限流器 One kind of magnetron-type fault current limiter |
04/25/2012 | CN202206131U 限流式双通道电涌保护器 Limiting dual-channel surge protector |
04/25/2012 | CN202206130U 一种带数据收集和数据传输功能的智能电涌保护器 A tape data collection and data transfer capabilities of smart surge protector |
04/25/2012 | CN202206087U 一种铁路防雷分线柜用防雷分线底座 A railway line lightning sub base cabinet with a lightning-point line |
04/25/2012 | CN202206074U 保护性电气布线设备 Protection of electrical wiring devices |
04/25/2012 | CN102427225A 一种tvs电流尖峰保护电路 One kind tvs current spike protection circuit |
04/25/2012 | CN101635452B 多用途一体化防雷电和电磁脉冲模块 Multipurpose Integrated lightning and electromagnetic pulse module |
04/25/2012 | CN101299384B 跃变电抗限流器 Yue varactors flow restrictor |
04/24/2012 | US8164874 Overvoltage protection device for an electrical circuit |
04/24/2012 | US8164870 ESD protection for high-voltage-tolerance open-drain output pad |
04/24/2012 | US8164868 Device for short-circuiting power semiconductor modules |
04/24/2012 | US8164113 Electrostatic discharge structure for 3-dimensional integrated circuit through-silicon via device |
04/24/2012 | US8164112 Electostatic discharge protection circuit coupled on I/O pad |
04/19/2012 | WO2012050610A1 Connector system and assembly having integrated protection circuitry |
04/19/2012 | WO2011024179A8 Improved fault current limiter with saturated core |
04/19/2012 | US20120092799 Transient current suppression device and method |
04/19/2012 | US20120092798 Electrostatic Discharge Protection Circuit |
04/19/2012 | US20120092796 N-Way Power Supply Over Current Protection |
04/19/2012 | US20120092795 N-Way Power Supply Over Current Protection |
04/19/2012 | DE102010038208A1 Overvoltage protection device has overvoltage arrester and positive temperature coefficient thermistor or negative temperature coefficient thermistor for detecting temperature of overvoltage arrester |
04/19/2012 | CA2814071A1 Connector system and assembly having integrated protection circuitry |
04/18/2012 | EP2442462A2 Method and apparatus for supplying power to a connection device |
04/18/2012 | EP1269660B1 Optocoupler for a non-intrinsically safe circuit |
04/18/2012 | CN202197102U 线路固定间隙过电压保护器 Fixed line over-voltage protection gap |
04/18/2012 | CN202197101U 一种隔离式射频电缆避雷器 An isolating RF cable arrester |
04/18/2012 | CN202197100U 变压器中性点接地保护装置 Transformer neutral grounding protection devices |
04/18/2012 | CN202197099U 一种锂电池充电保护芯片 One kind of rechargeable lithium battery protection chip |
04/18/2012 | CN202197098U 一种过压保护电路、led驱动电源及led照明装置 One kind of overvoltage protection circuit, led drive power and led lighting device |
04/18/2012 | CN202197097U 一种开关柜的泄压装置 A switch cabinet of pressure relief devices |
04/18/2012 | CN202197096U Short-circuit current limiter of electric power system |
04/18/2012 | CN202197095U 电脑针织横机开机防电流冲击装置 Computer flat knitting machine turned anti-shock device current |
04/18/2012 | CN202197094U 输电线路智能故障监测耦合电源保护装置 Intelligent Fault Monitoring coupled transmission line power protection devices |
04/18/2012 | CN202197093U 空气开关型浪涌保护器 Air switch type surge protector |
04/18/2012 | CN202197090U 一种隔爆型照明智能综合保护装置 One kind of explosion-proof lighting intelligent integrated protection device |
04/18/2012 | CN202197088U 一种具有防雷保护功能的实时在线显控漏电智能保护器 A real-time online with lightning protection function display and control leakage Smart Protector |
04/18/2012 | CN1866657B 电涌放电器 Surge arresters |
04/18/2012 | CN102421223A 一种用于led驱动的尖刺电流保护电路 A spiked led drive current protection circuit |
04/18/2012 | CN102420425A 一种计算机控制器的防浪涌保护装置 Surge protection device to a computer controller |
04/18/2012 | CN102420424A 避雷测试器 Lightning tester |
04/18/2012 | CN102420423A 切换式调整器的静电放电保护电路 Switched regulators electrostatic discharge protection circuit |
04/18/2012 | CN102420422A 智能短路限流器 Intelligent Fault Current Limiter |
04/18/2012 | CN102420421A 一种高频开关电源直流输出短路保护电路 A high-frequency switching power supply DC output short circuit protection |