Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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05/29/2014 | US20140146424 Earth leakage circuit breaker and image forming apparatus |
05/29/2014 | US20140145181 Display device |
05/28/2014 | EP2736139A1 Switching device |
05/28/2014 | DE10332808B4 Eichleitungs-Anordnung Calibration line arrangement |
05/28/2014 | DE102012221807A1 Laden eines elektrischen Energiespeichers eines Elektrofahrzeugs an einer Steckdose mit Reduktion des Ladestroms nach Ausfall und Wiedereinsetzen der Stromversorgung Charging an electrical energy storage device of an electric vehicle using a plug with reduction of the charging current after failure and Replacing the Power Supply |
05/28/2014 | DE102012022919A1 Overvoltage protective wiring structure for photovoltaic plants, has wires of same polarity that are connected on common varistor, and wires of same polarity with different input channels that are decoupled thought spark gap |
05/28/2014 | DE102010043902B4 Einrichtung und Verfahren zum Schutz eines zum Laden von Elektrofahrzeugen dienenden Ladekabels Apparatus and method for protecting a for charging electric vehicles serving charging cable |
05/28/2014 | DE102006034404B4 Überstromschutzeinrichtung für den Einsatz mit Überspannungsschutzgeräten, mit einem zusätzlichen als Schlagbolzen ausgeführten mechanischen Auslöser Overcurrent protection device for use with surge protection devices, with an additional firing pin configured as a mechanical shutter |
05/28/2014 | CN203617706U 一种多功能浪涌保护器 A multifunctional Surge Protector |
05/28/2014 | CN203617705U 网络信号和电源组合的防雷保护电路 Network signal and power combined lightning protection circuit |
05/28/2014 | CN203617704U 等电位截流防雷多功能保护电源电路 Other potential mine closure multifunction power circuit protection |
05/28/2014 | CN203617703U 复合式防雷器 Composite mine |
05/28/2014 | CN203617702U 一种防雷器、防雷组合及防雷柜 One kind of mine, mine and mine cabinet portfolio |
05/28/2014 | CN203617701U 测试用开关保护电路 Test switch protection circuit |
05/28/2014 | CN203617683U 电源mov防雷器失效故障电流周波监测装置 Power mov SPD monitoring device failure fault current cycle |
05/28/2014 | CN203616382U 一种安全验电及放电装置 A safe electrical inspection and discharge device |
05/28/2014 | CN203616381U 一种安全验电及放电仪 A safe electrical inspection and discharge instrument |
05/28/2014 | CN103825473A 具有交流过压保护的开关电源 AC overvoltage protection with a switching power supply |
05/28/2014 | CN103825288A 一种超/特高压分相投切型并联电抗器及其档位调节方法 An ultra / UHV points congenial-cut shunt reactors and gear adjustment method |
05/28/2014 | CN103825265A 一种客车空调电源稳压保护装置 One kind of bus air power regulator protection device |
05/28/2014 | CN103825264A 一种家用电器避雷装置 A household appliance lightning protection devices |
05/28/2014 | CN103825263A 稳压源启动保护电路及电源板测试电路 Regulators start protection circuit and power source test circuit board |
05/28/2014 | CN103825262A 一种双回线用的故障电流限制器 Fault current limiter with a double circuit line |
05/28/2014 | CN103825261A 一种抑制电路短路故障的电流控制系统 A method of inhibiting a short circuit fault current control system |
05/28/2014 | CN103825260A 电源浪涌保护器 Power Surge Protector |
05/28/2014 | CN103824686A 矿用隔爆真空开关控制电源保护装置 Mine explosion-proof vacuum switch controls power protection devices |
05/28/2014 | CN103824684A 一次限流限压综合消谐器 A limiting pressure limiting integrated harmonic elimination |
05/28/2014 | CN103823502A 一种限流式混合型功率控制器 One kind of limiting type hybrid power controller |
05/28/2014 | CN102255302B 过压保护电路及集成电路 Overvoltage protection circuit and integrated circuit |
05/28/2014 | CN102222900B 一种交流电器抗瞬间高压冲击的漏电保护模块 An AC high-voltage electrical shock instant anti-leakage protection module |
05/28/2014 | CN102204054B 低电压静电放电保护 Low-voltage electrostatic discharge protection |
05/27/2014 | US8737032 Method for limiting an un-mirrored current and circuit therefor |
05/27/2014 | US8737028 RC-triggered ESD clamp device with feedback for time constant adjustment |
05/27/2014 | US8737027 ESD protection device with charge collections regions |
05/27/2014 | US8737026 Electric vehicle charging cord set |
05/27/2014 | US8737024 Self-adjustable overcurrent protection threshold circuit, a method for generating a compensated threshold signal and a power supply employing the circuit or method |
05/27/2014 | CA2838734C Intrinsically safe portable radio architecture |
05/27/2014 | CA2637819C Electrical circuit with incendive arc prevention |
05/22/2014 | WO2014075989A1 Protective circuit for a current transformer and current transformer with a protection circuit |
05/22/2014 | WO2014075782A1 Ignition circuit |
05/22/2014 | US20140139965 Surge arrester |
05/22/2014 | US20140139963 Trigger circuit and method for improved transient immunity |
05/22/2014 | US20140139958 Esd protection circuits and methods |
05/22/2014 | DE102012111278A1 Schaltungsanordnung mit einem Überlastschutz für galvanische Trenneinheiten Circuit with overload protection for galvanic isolation units |
05/22/2014 | DE102012111209B3 LED drive circuit, has resistors parallely switched, and current acquisition feedback unit forming protective circuit to reduce rise of output power if fed voltage of alternating current source is high |
05/22/2014 | DE102012022399A1 Zündkreis Ignition circuit |
05/21/2014 | EP2733808A1 Method and system for suppressing very fast transients |
05/21/2014 | EP2732525A1 Surge protection device |
05/21/2014 | EP2732521A1 Direct current circuit breaker |
05/21/2014 | CN203607845U 计算机防雷保护装置 Computer lightning protection devices |
05/21/2014 | CN203607844U 智能型电源防雷器 Intelligent power mine |
05/21/2014 | CN203607843U 一种静电放电保护电路 An electrostatic discharge protection circuit |
05/21/2014 | CN203607842U 以太网齐纳式安全栅 Ethernet zener safety barrier |
05/21/2014 | CN203607841U 用于高压集成电路的过压保护电路 High-voltage integrated circuits for overvoltage protection circuit |
05/21/2014 | CN203607840U 一种浪涌保护器 One kind of surge protectors |
05/21/2014 | CN203607839U 一种带电压显示的防爆浪涌保护器 A voltage surge protector with explosion-proof display |
05/21/2014 | CN203607838U 一种带电流显示的防爆浪涌保护器 An explosion surge protector with current display |
05/21/2014 | CN203607837U 一种带温度显示功能的防爆裂浪涌保护器 A tape temperature display features anti-burst surge protector |
05/21/2014 | CN203607836U 一种电涌保护器支架 One kind of surge protector bracket |
05/21/2014 | CN203607835U 一种防雷防静电的数字有线接收机 One kind of digital cable receiver 防雷防静电 |
05/21/2014 | CN203607834U 无线接收电路接口保护电路 Wireless receiver circuit interface protection circuit |
05/21/2014 | CN203607833U 一种防爆电气设备 One kind of explosion-proof electrical equipment |
05/21/2014 | CN203607832U 一种带小风扇的防漏电插座式电源电涌保护器 A fan with a small leakage power outlet power surge protector |
05/21/2014 | CN203607690U 一种铁路视频监控前端箱 A railway video monitoring front-end box |
05/21/2014 | CN103814496A 用于串联型mtdc系统的vdcol控制方法及其vdcol合成器 Vdcol control method for a tandem mtdc system and its vdcol synthesizer |
05/21/2014 | CN103812099A 新型多脉冲电涌保护器 The new multi-pulse surge protector |
05/21/2014 | CN103812098A 电流互感器二次开路保护装置 Open current transformer protection devices |
05/21/2014 | CN103812097A 电流缓冲器 Current Buffer |
05/21/2014 | CN103812096A 突波保护装置 Surge protection devices |
05/21/2014 | CN103811135A 一种防雷绝缘子保护器 One kind of lightning protection insulator |
05/21/2014 | CN103802763A 一种装甲车辆直流高压大电流组合配电保护装置 One kind of armored vehicle combination DC high voltage high current power distribution protection device |
05/21/2014 | CN102545180B 应用于锗硅工艺中多电源间的静电保护结构 SiGe process applied electrostatic protection structures between multiple power supplies |
05/20/2014 | US8730640 DC pass RF protector having a surge suppression module |
05/20/2014 | US8730638 Lightning surge detector, surge protective device, and management system for surge protective device |
05/20/2014 | US8730637 Surge protection devices that fail as an open circuit |
05/20/2014 | US8730636 Adaptive protection circuit module for operational amplifier and adaptive protection method thereof |
05/20/2014 | US8730630 Apparatus and method for electronic circuit protection |
05/20/2014 | US8730628 Electrostatic protection circuit capable of preventing latch-up effect |
05/20/2014 | US8730627 Decreasing voltage detection with control signaling |
05/20/2014 | US8730626 Electrostatic discharge protection |
05/20/2014 | US8730625 Electrostatic discharge protection circuit for an integrated circuit |
05/20/2014 | US8730624 Electrostatic discharge power clamp with a JFET based RC trigger circuit |
05/15/2014 | WO2014075111A1 System and method for i-safe mobile devices |
05/15/2014 | WO2014072300A1 Lightning protection component |
05/15/2014 | WO2014072027A1 A method for controlling arc ignition in the intercontact break of a disconnector during the operation of opening and closing the disconnector |
05/15/2014 | WO2014071628A1 Surge protection device having short-circuit current protection function |
05/15/2014 | US20140133874 Protection device, image forming apparatus and method, and non-transitory computer readable medium |
05/15/2014 | US20140133060 Surge arrester |
05/15/2014 | US20140133058 Driving circuit |
05/15/2014 | US20140133056 Structures and techniques for using mesh-structure diodes for electro-static discharge (esd) protection |
05/15/2014 | US20140133055 Active detection and protection of sensitive circuits against transient electrical stress events |
05/15/2014 | DE102013112339A1 Aktive erkennung von und schutz empfindlicher schaltungen vor transienten elektrischen belastungsereignissen Active detection of and protection of sensitive circuits from transient electrical load events |
05/15/2014 | DE102012108314B3 Photovoltaic system, has damping element with ohmic resistance less than or equal to twenty five ohms for derivation stream greater than or equal to hundred A, where damping element is arranged in potential equalization rail of inverter |
05/14/2014 | EP2731213A1 A method for controlling arc ignition in the intercontact break of a disconnector during the operation of opening and closing the disconnector |
05/14/2014 | CN203596617U 一种防雷匹配装置 One kind of lightning matching device |
05/14/2014 | CN203596616U 一种安全性高的通信系统 Communication system with high safety |
05/14/2014 | CN203596615U 一种户外led照明设备用综合防雷箱 Kind of outdoor led lighting device with integrated lightning protection box |
05/14/2014 | CN203596614U 一种pse多端口设备的雷击防护电路 One kind of lightning protection circuit pse multiport devices |
05/14/2014 | CN203596613U 一种具有浪涌防护的移动通信基站控制器 Mobile communication base station controller having a surge protection |
05/14/2014 | CN203596612U 一种led照明设备用交流防雷电源板 One kind of led lighting device using AC power board lightning |