Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
03/2012
03/28/2012CN102394494A Current-voltage converting circuit provided with over-current protection circuit module
03/28/2012CN102394486A Protection module used for double power switch controller
03/28/2012CN102393652A Intelligent controller of overhead working truck
03/28/2012CN101227088B Multi spot spark triggering surge protector
03/27/2012US8144445 Micro-electromechanical system based switching
03/22/2012US20120069479 Power transistor device with electrostatic discharge protection and low dropout regulator using same
03/22/2012US20120069478 Integrated circuit esd protection using substrate in esd current path
03/22/2012US20120069477 Adjustable arc electrode assembly and method of assembling
03/22/2012US20120069476 Thermally protected resettable GFCI
03/22/2012DE202010016830U1 Sicherheitsschaltung Safety circuit
03/22/2012DE102011082784A1 Gemeinsame Schutzeinrichtung für mehrere variable Batterien Joint Guard for several variable batteries
03/22/2012DE102006037551B4 Überspannungsableiter mit mindestens einem Ableitelement, beispielsweise einem Varistor Surge arrester with at least one arrester, such as a varistor
03/21/2012EP2432088A2 Electrode and plasma gun configuration for use with a circuit protection device
03/21/2012EP2432087A2 Apparatus and system for arc elmination and method of assembly
03/21/2012EP2141780B1 Phase control switch and switching pole control method in phase control switch
03/21/2012CN202172273U 一种网络摄像机用防雷器 A network camera with SPD
03/21/2012CN202172272U 一种网络信号防雷器 A network signal SPD
03/21/2012CN202172271U 一种能量吸收防雷器 An energy absorbing mine
03/21/2012CN202172270U 一种屏蔽线接地电路 One kind of shielded wire grounded circuit
03/21/2012CN202172269U 一种电气开关柜过电压吸收装置 An electrical switchgear overvoltage absorption device
03/21/2012CN202172268U 一种模块式串联电源的防雷器 A modular power supply SPD series
03/21/2012CN202172267U 一种以太网接口保护电路 One kind of Ethernet interface protection circuit
03/21/2012CN202172253U 峰值电流检测保护电路 Peak current detection and protection circuit
03/21/2012CN202172181U 一种防雷节能插座 One kind of lightning energy-saving socket
03/21/2012CN102386620A Electrostatic discharge protecting device and method thereof
03/21/2012CN102386619A Circuit for inhibiting interference signal and carrying out surge protection
03/21/2012CN102386618A Switch current limiter for heat-tracing transformer
03/21/2012CN102386617A Apparatus for controlling capacitor charge status and method of assembly
03/21/2012CN102386608A Intelligent lightning protection residual current circuit breaker
03/21/2012CN102385976A Transformer and device including same
03/21/2012CN101567789B Network communication device with electrostatic protection function
03/21/2012CN101106276B Fully intelligent power-saving device
03/20/2012US8139331 Electrostatic discharge protection circuit
03/20/2012US8139330 Semiconductor integrated circuit
03/20/2012US8139329 Over-voltage protection circuit
03/20/2012US8139328 Fault circuit interrupting device with symmetrical inputs
03/20/2012US8139327 Semiconductor integrated circuit
03/15/2012WO2011124605A3 Method for leakage current control in a inverter system
03/15/2012US20120063048 Active Current Surge Limiters
03/15/2012US20120063047 Active Current Surge Limiters
03/15/2012US20120063043 Active Current Surge Limiters
03/15/2012US20120063042 Active Current Surge Limiters
03/15/2012US20120063041 Thin-oxide current clamp
03/15/2012US20120063040 Directional fault location and isolation system
03/15/2012US20120063038 Power-supply module with electromagnetic-interference (emi) shielding, cooling, or both shielding and cooling, along two or more sides
03/15/2012US20120063037 Continuous power protection
03/14/2012CN202167848U 一种非接触式架空绝缘线过电压保护器 A non-contact insulated overhead line over-voltage protection
03/14/2012CN202167847U 一种间隙型电涌保护器的点火电路系统 An interstitial-type surge protector ignition circuit system
03/14/2012CN202167846U 通信信号接口防雷电及防静电干扰装置 Communication signal interface lightning and anti-static interference devices
03/14/2012CN202167845U 电力机车取暖设备稳压电路 Electric Locomotive heating equipment regulator circuit
03/14/2012CN202167844U Terminal pluggable AC induced voltage eliminator
03/14/2012CN202167843U Power supply output overvoltage protective circuit used for LED liquid crystal display television
03/14/2012CN202167842U 一种过流保护控制电路 An overload control circuit
03/14/2012CN202167231U 一种电磁式脉冲声源 An electromagnetic pulse sound source
03/14/2012CN202165873U 一种免驱动led灯 A no-drive led lights
03/14/2012CN102378436A Open-circuit protection circuit of light-emitting diode constant-current driving circuit
03/14/2012CN102378435A Open circuit protection circuit of light-emitting diode constant current driving circuit
03/14/2012CN102377326A Insulated gate bipolar transistor (IGBT)-bridge-switch-topology-based driving circuit and protection module thereof
03/14/2012CN102377229A Field device of a process automation assembly with two inherently safe power supply devices
03/14/2012CN102377176A Surge protection device
03/14/2012CN102377175A Short circuit current limiting device for harmonic suppression and reactive compensation
03/14/2012CN102377174A Power supply device
03/14/2012CN102377173A Novel bridge circuit type high-temperature superconducting fault current limiter
03/14/2012CN102376411A Method for current conditioning, in particular on a fault current limiter
03/13/2012US8134817 Electrostatic discharge conducting pathway having a noise filter spark gap
03/13/2012US8134815 Integrated circuit and assembly therewith
03/13/2012US8134814 Semiconductor device having an ESD protection circuit
03/13/2012US8134813 Method and apparatus to reduce footprint of ESD protection within an integrated circuit
03/13/2012US8133765 Integrated RF ESD protection for high frequency circuits
03/13/2012CA2453562C Voltage limiting protection for high frequency power device
03/08/2012WO2012030963A2 Overvoltage protection for ac power source
03/08/2012WO2012030765A1 High voltage electronic switches for controlling direct current arcs in high voltage direct current systems and methods of operating the same
03/08/2012WO2012028575A1 Circuit and method for limiting current
03/08/2012US20120057262 Low Voltage Transmitter with High Output Voltage
03/08/2012US20120057261 Configurable, Power Supply Voltage Referenced Single-Ended Signaling with ESD Protection
03/08/2012US20120057260 Power Supply Shunt
03/08/2012US20120057259 Controller with battery recharge protective function
03/08/2012US20120057258 Electrostatic discharge protection device and method thereof
03/08/2012DE19722017B4 Elektrische Schaltung und Verfahren zur Überwachung eines Bauelements Electrical circuit and method for monitoring a device
03/08/2012DE102010044600A1 Verfahren zum Zuschalten einer induktiven Last sowie Anschlussschaltung zur Durchführung des Verfahrens Method for connecting an inductive load as well as connection circuit for performing the method
03/08/2012DE102010040174A1 Schaltung und Verfahren zur Strombegrenzung Circuit and method for current limiting
03/08/2012DE102010024863B4 Kobaltfreie NTC-Keramik, Verfahren zur Herstellung einer kobaltfreien NTC-Keramik und ihre Verwendung Cobalt-free NTC ceramic, process for preparing a cobalt-free NTC ceramics and their use
03/07/2012EP2426689A2 Method for connecting an inductive load and connecting circuit for carrying out the method
03/07/2012CN202160139U 用过流输入端口进行温度保护的直流无刷电机控制器 Stream input port used for temperature protection DC brushless motor controller
03/07/2012CN202159974U 一种恒流源的过压保护电路 An overvoltage protection circuit constant current source
03/07/2012CN202159973U 一种电压检测保护电路 A voltage-detection circuit protection
03/07/2012CN202159972U 信号防雷器 Signal SPD
03/07/2012CN202159855U 防雷插座 Lightning socket
03/07/2012CN202159854U 一种智能节电插座 An intelligent power-saving outlets
03/07/2012CN202158440U Lightning protective LED street lamp
03/07/2012CN102368886A High-frequency high-voltage X-ray defect detector
03/07/2012CN102368686A Circuit module port arrangement method for preventing out-of-control caused by short circuit
03/07/2012CN102368609A Low-voltage power grid protection device
03/07/2012CN102368608A Wireless explosion-proof apparatus
03/06/2012US8130481 Electrostatic discharge trigger circuits for self-protecting cascode stages
03/01/2012US20120050931 Methods and apparatus to clamp overvoltages for alternating current systems
03/01/2012US20120050930 Vol up-shifting level shifters
03/01/2012US20120050928 High Voltage Electronic Switches for Controlling Direct Current Arcs in High Voltage Direct Current Systems and Methods of Operating the Same
03/01/2012US20120050927 Electrostatic protection circuit
03/01/2012US20120050926 Integrated circuit and integrated circuit package
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