| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 09/01/2011 | WO2011104922A1 Surge absorbing circuit and electronic device using the same |
| 09/01/2011 | US20110214001 Inrush current suppressing circuit and electronic device using the same |
| 09/01/2011 | US20110211289 Embedded protection against spurious electrical events |
| 09/01/2011 | US20110211285 Low parasitic capacitance electrostatic discharge protection circuit |
| 09/01/2011 | US20110211282 Self-adjustable overcurrent protection threshold circuit, a method for generating a compensated threshold signal and a power supply employing the circuit or method |
| 09/01/2011 | DE202010006269U1 Spannungsfeste Schnittstellenschaltung Fixed voltage interface circuit |
| 08/31/2011 | EP2362514A2 Device for reducing earth leakage current |
| 08/31/2011 | EP2362513A1 Lightning protection for converters |
| 08/31/2011 | CN201957298U Light emitting diode (LED) streetlamp switching power supply |
| 08/31/2011 | CN201957028U 具有全端口防雷结构的光端机 Optical port with a full mine construction |
| 08/31/2011 | CN201956749U 一种用于监控设备的模块化不间断电源 A modular uninterruptible power supply monitoring device |
| 08/31/2011 | CN201956712U 可调电源装置 Adjustable power supply unit |
| 08/31/2011 | CN201956689U Bypass structure of chain link unit of static synchronous compensator |
| 08/31/2011 | CN201956681U 电源线电磁脉冲防护器 Power line electromagnetic pulse protection device |
| 08/31/2011 | CN201956680U 感应取电互感器防二次侧开路保护电路 Induction to take power transformer secondary side circuit protection circuit proof |
| 08/31/2011 | CN201956679U 一种改进片外esd保护电路射频性能的连接结构 A connecting structure esd protection circuit chip RF performance improvements |
| 08/31/2011 | CN201956678U 一种喇叭过压保护电路及喇叭 One kind of speaker and speaker protection circuit |
| 08/31/2011 | CN201956677U 用电源负载短路保护电路的多路输出电路 Using a multiple-output power load short circuit protection circuit |
| 08/31/2011 | CN201956672U 一种抽油机交流电源过压保护器 One kind of pumping AC overvoltage protection |
| 08/31/2011 | CN201956668U 间隙过电压保护装置 Gap overvoltage protection device |
| 08/31/2011 | CN201956667U 无源rs232光电隔离防雷器 Passive optical isolation rs232 mine |
| 08/31/2011 | CN201956666U 一种高压柔性安全装置 A high-pressure flexible safety device |
| 08/31/2011 | CN102171775A Electrical device having a support frame |
| 08/31/2011 | CN102170597A Information management system, device and method of smart antennas |
| 08/31/2011 | CN102170178A High-voltage transmission line current coupling electricity-getting device |
| 08/31/2011 | CN102170135A 35KV large capacity reactive compensation and harmonic suppression integrated system and control method thereof |
| 08/31/2011 | CN102170122A Power grid capacitive current online automatic tracking and monitoring device and tuning method thereof |
| 08/31/2011 | CN102170121A Resonance eliminator with correcting potential transformer |
| 08/31/2011 | CN102170120A Bidirectional low-capacitance surge protection device |
| 08/31/2011 | CN102170119A Combined surge protection device (SPD) with LC (inductance-capacitance) decoupling element |
| 08/31/2011 | CN102170118A Power supply clamping position ESD (electronic static discharge) protecting circuit |
| 08/31/2011 | CN102170117A Battery protecting device and protecting method |
| 08/31/2011 | CN102170116A Real-time digital simulation system of fault current limiter |
| 08/31/2011 | CN102170115A Real-time digital simulation system of electric power system |
| 08/31/2011 | CN101626158B Automatic tuning control method of post-set arc suppression coils |
| 08/31/2011 | CN101453119B Passive damp resistance throw-cut device |
| 08/31/2011 | CN101424729B Big dipper//GPS time service type double-system receiving module |
| 08/30/2011 | US8009402 Surge arrester with a cage design, and a production method for it |
| 08/30/2011 | US8009400 Interface circuit and portable electronic device employing the same |
| 08/30/2011 | US8009399 ESD improvement with dynamic substrate resistance |
| 08/30/2011 | US8009397 Method and circuit for eFuse protection |
| 08/30/2011 | US8009393 Thermoelectric device utilized as voltage snubber |
| 08/25/2011 | US20110205679 Protection circuit and semiconductor device |
| 08/25/2011 | US20110205676 Voltage surge and overvoltage protection |
| 08/25/2011 | US20110205675 Voltage surge and overvoltage protection |
| 08/25/2011 | US20110205674 Voltage surge and overvoltage protection |
| 08/25/2011 | US20110205672 Motor controller and electric power steering device |
| 08/25/2011 | DE102010008815A1 Überspannungsschutz für einen Halbleiterschalter Surge protection for a semiconductor switch |
| 08/24/2011 | CN201947513U 具有功率因数校正的恒流驱动电路 With a constant current drive circuit power factor correction |
| 08/24/2011 | CN201947504U Led灯过压保护装置 Led lamp overvoltage protection device |
| 08/24/2011 | CN201947049U Spare power automatic switching device for extra-high voltage convertor station and electric power grid system for alternating current station in convertor station |
| 08/24/2011 | CN201946978U 一种从高压直流母线取电的电路 A circuit to take power from the high voltage DC bus |
| 08/24/2011 | CN201946977U 新型磁通补偿消弧成套设备 The new Flux Compensation Arc Equipment |
| 08/24/2011 | CN201946976U 变压器中性点棒间隙组合装置 Transformer neutral point rod gap combination device |
| 08/24/2011 | CN201946975U 交直流限流装置 AC and DC current limiting device |
| 08/24/2011 | CN201946974U 过压缓冲电路、过压保护电路以及电视机 Overvoltage buffer circuit, overvoltage protection circuit and TV |
| 08/24/2011 | CN201946973U 一种带触摸屏的移动终端静电防护装置 Mobile terminal ESD protection device with a touch screen |
| 08/24/2011 | CN201946972U 带馈电高频信号的电涌保护装置 Surge protection device with a high-frequency signal fed |
| 08/24/2011 | CN201946971U 一种单相变压器励磁涌流抑制电路 A single-phase transformer inrush current suppression circuit |
| 08/24/2011 | CN201946970U 一种高压变压器中性点直流电流隔离装置 A high voltage direct current transformer neutral isolation device |
| 08/24/2011 | CN201946969U 用于电池防爆的保护电路 Battery protection circuit for explosion |
| 08/24/2011 | CN201946968U 一种限流器 One kind of flow restrictors |
| 08/24/2011 | CN201946967U Rs485接口保护电路及其数传电台、无线数据传输装置 Rs485 interface protection circuit and digital radio, wireless data transmission device |
| 08/24/2011 | CN201946964U 故障相经阻抗接地消弧装置 By impedance ground fault phase arc crowbar |
| 08/24/2011 | CN201946962U 一种igbt功率开关管桥路的驱动保护电路 One kind of bridge igbt power switch driver protection circuit |
| 08/24/2011 | CN201946952U 一种浪涌保护器的后备保护装置 Backup protection device for surge protector |
| 08/24/2011 | CN201946767U 排流接地装置 Drain grounding device |
| 08/24/2011 | CN201944689U LED (light-emitting diode) corridor lighting lamp under sound and light time delay control |
| 08/24/2011 | CN102163933A Lightning protection for converters |
| 08/24/2011 | CN102163841A Overvoltage suppressing device |
| 08/24/2011 | CN102163840A Electrostatic discharge protection circuit, structure and radio-frequency receiver |
| 08/24/2011 | CN101599639B Single-phase power supply low-pass lightning arrester |
| 08/24/2011 | CN101442869B Dynamic detection electrostatic protection circuit |
| 08/24/2011 | CN101320658B Surge protector with backup protection |
| 08/24/2011 | CN101206457B Power management system and method |
| 08/23/2011 | US8004812 Energy conditioning circuit arrangement for integrated circuit |
| 08/23/2011 | US8004811 Power strip having surge protective circuit |
| 08/23/2011 | US8004810 Meter having load control unit |
| 08/23/2011 | US8004807 Overvoltage protection circuit with reduced sensitivity to process variations |
| 08/23/2011 | US8004806 Solid-state disconnect device |
| 08/23/2011 | US8004805 Semiconductor integrated circuit |
| 08/23/2011 | US8004802 Operational amplifier circuit and arc fault circuit interrupter including the same |
| 08/23/2011 | US8004801 Apparatus for decreasing inrush current using SFCL and method for deciding optimal insertion resistance |
| 08/18/2011 | WO2011098359A1 Surge-limiting device for direct current networks |
| 08/18/2011 | WO2011098145A1 An arrangement for protecting a solid-state dc-breaker against transient voltages |
| 08/18/2011 | WO2011097945A1 Switching power supply for suppressing high voltage surges |
| 08/18/2011 | WO2011097921A1 Digital subscriber line (dsl) protection circuit |
| 08/18/2011 | US20110199708 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit |
| 08/18/2011 | DE102010001924A1 Überspannungsbegrenzungseinrichtung für Gleichspannungsnetze Overvoltage limiter for DC systems |
| 08/17/2011 | EP2356889A1 Arc recovery with over-voltage protection for plasma-chamber power supplies |
| 08/17/2011 | EP1554744B1 Device for protection against voltage surges with mobile electrode |
| 08/17/2011 | CN201937490U 一种三相调压器的可控硅相间短路式整流稳压电路 A three-phase voltage regulator rectifier thyristor phase short circuit voltage regulator circuit |
| 08/17/2011 | CN201937264U 信号浪涌保护电路 Signal surge protection circuit |
| 08/17/2011 | CN201937263U 一种过电压抑制器 An over voltage suppressor |
| 08/17/2011 | CN201937262U 输出空载过压钳位电路 Output overvoltage clamp load |
| 08/17/2011 | CN201937261U 简易型避雷器 Simple arrester |
| 08/17/2011 | CN201937260U 一种高能量电源系统的故障保护装置 Fault protection device for high energy power supply system |
| 08/17/2011 | CN201937259U High-voltage automatic-discharging device with protective device |
| 08/17/2011 | CN201937258U 一种限流电抗调节器 One kind of limiting reactance regulator |
| 08/17/2011 | CN201937257U 小型化、抗电磁脉冲辐射接口窗 Miniaturization, anti-electromagnetic pulse radiation interface window |