| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 04/18/2012 | CN102420419A 一种电源保护电路 A power supply protection circuit |
| 04/18/2012 | CN101573848B 在直流电网中使用的过电压保护装置 Overvoltage protection device used in the DC grid |
| 04/18/2012 | CN101449439B Connection and base part for accommodating a pluggable surge arrester |
| 04/18/2012 | CN101322294B 具有一个或多个过电压保护元件的可插塞的过电压放电器 Having one or more over-voltage protection element can plug overvoltage arresters |
| 04/17/2012 | US8160829 Current measuring device and processing unit comprising one such device |
| 04/17/2012 | US8159804 System and method for limiting energy in an industrial control system |
| 04/17/2012 | US8159803 Heat actuated interrupter receptacle |
| 04/17/2012 | US8159798 Latch-control protection circuit |
| 04/17/2012 | US8159797 Overvoltage protection circuit |
| 04/17/2012 | US8159796 Power integrated circuit with high insensitivity to parasitic inductances of wires for connection to a package and package for said integrated circuit |
| 04/17/2012 | US8159795 Protection circuit for semiconductor integrated circuit and driving method therefor |
| 04/17/2012 | US8159794 Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) detection that rejects false EOL information |
| 04/12/2012 | WO2012045795A1 Radio transmission modules having intrinsic safety |
| 04/12/2012 | WO2012045610A1 Surge protection device |
| 04/12/2012 | US20120087053 Constant voltage power supply circuit |
| 04/12/2012 | US20120087050 Ground-fault circuit interrupter |
| 04/12/2012 | US20120087048 Photovoltaic inverter with control for performing low voltage ride through |
| 04/11/2012 | CN202190435U Novel LED street lamp driving power supply |
| 04/11/2012 | CN202190277U 数字用户线路防雷路由器 Digital Subscriber Line Lightning router |
| 04/11/2012 | CN202190210U 防涌电源转换器 Antiflushing power converter |
| 04/11/2012 | CN202190081U Reactive compensation device |
| 04/11/2012 | CN202190075U 调匝式消弧线圈模糊调谐系统 TAP Petersen Coil fuzzy tuning system |
| 04/11/2012 | CN202190074U 一种poe网络供电设备专用防雷器 One kind poe network dedicated mine-powered devices |
| 04/11/2012 | CN202190073U 一种外置式12kV防雷电路 One kind of external lightning protection circuit 12kV |
| 04/11/2012 | CN202190072U 一种高可靠性可控多重火花放电间隙 A highly reliable controllable multiple spark discharge gap |
| 04/11/2012 | CN202190071U 一种包括导轨扣片组件的电涌保护器 A surge protector including rail cleat assembly |
| 04/11/2012 | CN202190070U 一种带rs485接口的智能电涌保护器 An intelligent surge protector with rs485 interface |
| 04/11/2012 | CN202190069U 一种可进行远程报警的电涌保护器 A surge protector can be remote alarm |
| 04/11/2012 | CN202190068U Circuit for inhibiting surge impact of light regulation or speed regulation switch |
| 04/11/2012 | CN202190067U Led冲击保护电路 Led impact protection circuit |
| 04/11/2012 | CN202190062U 一种汽车电子电源前端保护装置 A vehicle front end electronics power protection devices |
| 04/11/2012 | CN202190061U 一种具有断电延时功能的软起动张紧装置 Tensioning device with a soft-start power-off delay function |
| 04/11/2012 | CN202189980U 防雷插座 Lightning socket |
| 04/11/2012 | CN202189361U 一种带电涌保护的rs232-485/422转换器 Rs232-485 / 422 converter with a surge protection |
| 04/11/2012 | CN102412794A 保护装置、互补型保护装置、信号输出装置、闩锁阻止方法以及程序 Protection devices, complementary protection devices, signal output means, methods, and procedures to prevent the latch |
| 04/11/2012 | CN102412599A 一种双馈风力发电系统低电压穿越用Crowbar装置 A dual-fed wind power generation system with low voltage ride through Crowbar device |
| 04/11/2012 | CN102412573A 大功率电源设备 Power supply equipment |
| 04/11/2012 | CN102412572A 温度开关型过压保护电路 Temperature switching overvoltage protection circuit |
| 04/11/2012 | CN102412571A Bus short circuit current limiter for parallel compensation power grid |
| 04/11/2012 | CN102412570A Current limiting circuit, led module and led illuminating device |
| 04/11/2012 | CN102412560A 一种单相变压器研究励磁涌流的方法和装置 A single-phase transformer inrush current research methods and apparatus |
| 04/11/2012 | CN102412559A 一种用于单相变压器研究励磁涌流的方法和装置 Methods and apparatus for single-phase transformer inrush current of research |
| 04/11/2012 | CN102412509A 接触网过电压保护装置 Catenary overvoltage protection device |
| 04/11/2012 | CN102412047A Superconducting magnet and superconducting magnet system |
| 04/11/2012 | CN102411321A 直控式电器节能监测装置 Direct-controlled electrical energy monitoring device |
| 04/10/2012 | US8154841 Current zero cross switching relay module using a voltage monitor |
| 04/10/2012 | US8154837 Circuit arrangement and method for monitoring wheel speed sensors in a motor vehicle control device |
| 04/10/2012 | US8154835 Power and control unit for a low or medium voltage apparatus |
| 04/10/2012 | US8154833 Line side crowbar for energy converter |
| 04/10/2012 | US8154832 Leak detection and leak protection circuit |
| 04/10/2012 | CA2467986C Device with controllable impedance |
| 04/10/2012 | CA2414273C Method and apparatus for detecting electrical faults and isolating power source from the electrical faults |
| 04/05/2012 | US20120081828 Terminal block having integral disconnect |
| 04/05/2012 | US20120081823 Protection circuit of semiconductor apparatus |
| 04/05/2012 | US20120081822 System and Method for ESD Protection |
| 04/05/2012 | US20120081821 ESD Protection Device for Multi-Voltage System |
| 04/05/2012 | US20120081820 Esd power clamp for high-voltage applications |
| 04/05/2012 | US20120081816 Integrated variable output power supply protection circuit |
| 04/05/2012 | DE102010047549A1 Assessable overvoltage protection device, has current-limiting resistors and device for wireless transfer of data, and gas-filled surge arrester, which stays in contactless connection with armature or coupling bar |
| 04/05/2012 | DE102010047244A1 Überspannungsschutzvorrichtung Overvoltage protection device |
| 04/04/2012 | CN202183627U 一种自降温防过冲的充电器 A self-cooling anti-overshoot charger |
| 04/04/2012 | CN202183600U 一种复合型电源防雷器 A composite type power mine |
| 04/04/2012 | CN202183599U 一种连续吸收浪涌防雷器 A continuous absorption of surge arrester |
| 04/04/2012 | CN202183598U 雷达和通信设备方舱外接电缆综合转接防雷箱 Radar and communications equipment connected to the cable side extravehicular integrated adapter mine me |
| 04/04/2012 | CN202183597U 一种限压可插拔劣化显示电源防雷装置 One kind of pressure limiting deterioration of display pluggable power supply lightning protection devices |
| 04/04/2012 | CN102404926A Energy-saving electronic ballast of high voltage sodium lamp |
| 04/04/2012 | CN102404903A 灯具驱动装置 Lamp driving device |
| 04/04/2012 | CN102403908A 能减轻功率开关额定电压及额定电流的串联谐振转换器 Can reduce the power switch rated voltage and rated current of the series resonant converter |
| 04/04/2012 | CN102403886A 模块化多电平换流器的直流线路瞬时短路故障的保护方法 Modular multi-level inverter DC line protection method Instantaneous short-circuit fault |
| 04/04/2012 | CN102403713A Adjustable arc electrode assembly and method of assembling |
| 04/04/2012 | CN102403712A 一种车载充电机中移相全桥二极管尖峰的处理电路 An in-vehicle charger in phase-shifted full-bridge diode peak processing circuit |
| 04/04/2012 | CN102403711A 自恢复保险丝型自保护型过压过流保护电路 Resettable fuse type self-protection type overvoltage overcurrent protection circuit |
| 04/04/2012 | CN102403710A 热敏电阻型过流过压保护电路 Thermistor type overcurrent protection circuit |
| 04/04/2012 | CN102403709A 手动复位型温度开关型过压过流保护电路 Manual reset type temperature switching overvoltage overcurrent protection circuit |
| 04/04/2012 | CN102403708A 一种开关触点保护器件 A switch contact protection device |
| 04/04/2012 | CN102403707A 双热敏电阻自保护型过压过流保护电路 Dual thermistor self-protected overvoltage overcurrent protection circuit |
| 04/04/2012 | CN102403706A 自恢复保险丝型自保护型过压过流保护器件 Resettable fuse type self-protection type overvoltage overcurrent protection devices |
| 04/04/2012 | CN102403705A 热敏电阻型过流过压保护器件 Thermistor type over-current protection device |
| 04/04/2012 | CN102403704A 过流过压保护器件 Over-current protection device |
| 04/04/2012 | CN102403703A Ac led灯过流保护电路 Ac led lamp overcurrent protection circuit |
| 04/04/2012 | CN102403702A HF/VHF frequency-range ultra wide band electromagnetic pulse protection module |
| 04/04/2012 | CN102401247A 发光二极管照明设备 LED lighting equipment |
| 04/04/2012 | CN101048923B 具有改进的断开能力的过压保护装置 Overvoltage protection device having an improved ability to disconnect |
| 04/03/2012 | US8150486 Superconducting device for current conditioning |
| 04/03/2012 | US8149560 Electrostatic discharge apparatus for touch key |
| 04/03/2012 | US8149553 Electrostatic discharge event protection for an integrated circuit |
| 03/29/2012 | WO2012037770A1 New method for protecting thyristors in direct-cureent converter valve from discontinuous currents |
| 03/29/2012 | US20120075763 Sensor device with current limiter unit |
| 03/29/2012 | US20120075758 Low Voltage Electrostatic Discharge Protection |
| 03/29/2012 | US20120075757 Circuit with esd protection for a switching regulator |
| 03/29/2012 | US20120075756 High sensitivity leakage current detection interrupter |
| 03/29/2012 | US20120075755 Electric device, electric device system, method to detect arc fault in the same |
| 03/29/2012 | US20120074846 Semiconductor Component and Method |
| 03/28/2012 | DE202012002282U1 Basiselement zur Aufnahme eines Überspannungsschutzmoduls Base member for receiving a surge protection module |
| 03/28/2012 | CN202178573U 一种用于led驱动的尖刺电流保护电路 A spiked led drive current protection circuit |
| 03/28/2012 | CN202178572U 一种只产生本安型短路火花的隔爆电源 Produced only one kind of intrinsically safe power supply short circuit sparks explosion |
| 03/28/2012 | CN202178571U 一种浪涌保护器上下盖紧固装置 One kind of surge protector upper and lower lid fastening device |
| 03/28/2012 | CN202178570U 一种新型智能网络监控型电源防雷保护器系统 A new intelligent network monitoring power supply lightning protection systems |
| 03/28/2012 | CN202178405U 一种接线柱及包括该接线柱的电涌保护器 One kind of the terminal including terminal and surge protector |
| 03/28/2012 | CN102394495A Dynamic thermal protection type overvoltage protector |