| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 06/26/2012 | US8209482 Method for analyzing performance information |
| 06/26/2012 | US8208237 Administering offset voltage error in a current sensing circuit |
| 06/26/2012 | US8208236 Power converter and method thereof |
| 06/26/2012 | US8208235 Method of detecting a fault condition of a load control device |
| 06/26/2012 | US8208234 Circuit with ESD protection for a switching regulator |
| 06/26/2012 | US8207862 Under-voltage warning circuit |
| 06/26/2012 | US8207742 Directional zone select interlock method |
| 06/26/2012 | US8207628 Output power port management control |
| 06/26/2012 | CA2602747C Circuit breaker system |
| 06/21/2012 | WO2012079220A1 Method and apparatus for providing under voltage protection for lifepo4 battery |
| 06/21/2012 | WO2011116970A3 Method and arrangement of electrical conductors for charging a vehicle battery |
| 06/21/2012 | US20120154971 Programmable Lightning Detector |
| 06/21/2012 | US20120154970 Tunable Coaxial Surge Arrestor |
| 06/21/2012 | US20120154968 Overload protection device |
| 06/21/2012 | US20120154967 System for monitoring over voltage protection of battery pack and method thereof |
| 06/21/2012 | US20120154957 Capacitance check and current monitoring circuit for use with a circuit protection device |
| 06/21/2012 | US20120154167 Surge protection devices that fail as an open circuit |
| 06/21/2012 | US20120153903 Protector of rectifier and wireless power receiver including protector |
| 06/21/2012 | DE112009005004T5 Niederfrequenz-stromunterbrecher Low Frequency Circuit Breakers |
| 06/21/2012 | DE102010063422A1 Verfahren und Vorrichtung zum Detektieren eines Störlichtbogenereignisses in einem Wechselspannungsnetz Method and apparatus for detecting an alternating-voltage network in a Störlichtbogenereignisses |
| 06/21/2012 | DE102010063421A1 Schaltungsanordnung und Verfahren zum Detektieren eines Lichtbogens Circuit arrangement and method for detecting an arc |
| 06/21/2012 | DE102010063419A1 Verfahren zum Detektieren von Störlichtbogenereignissen durch einen Fehlerzähler und Vorrichtung A method for detecting Störlichtbogenereignissen by an error counter device and |
| 06/21/2012 | CA2731453A1 Programmable lightning detector |
| 06/20/2012 | EP2466712A1 Method and device for monitoring a device provided with a microprocessor |
| 06/20/2012 | EP2464986A1 Method for detecting arcs in photovoltaic systems and such a photovoltaic system |
| 06/20/2012 | CN202282731U 一种陀螺仪供电装置 A gyro-powered devices |
| 06/20/2012 | CN202282602U 一种脉动直流漏电延时保护装置 One kind of delay pulsating DC leakage protection device |
| 06/20/2012 | CN202282601U 一种高分子ptc热敏电阻与压敏电阻组合的保护电路 A polymer ptc thermistor and varistor protection circuit combination |
| 06/20/2012 | CN202281963U Can总线收发保护电路 Can bus transceiver circuit protection |
| 06/20/2012 | CN202277651U 无触点电动高尔夫球包车控制器 Non-contact electric golf car controller |
| 06/20/2012 | CN1390376B Improved restraint-type differential relay |
| 06/20/2012 | CN102510606A Method and device for short-circuit protection of current detection resistor of LED (Light Emitting Diode) driving circuit |
| 06/20/2012 | CN102510233A Multifunctional current impulse transmitter and control method |
| 06/20/2012 | CN102510122A Multi-power supply control devices and system thereof |
| 06/20/2012 | CN102510056A High-precision signal source output overvoltage protection circuit |
| 06/20/2012 | CN102510043A Safe secondary protection circuit of mine power supply |
| 06/20/2012 | CN102510042A Power supply protection device for acquisition terminal |
| 06/20/2012 | CN102509967A Electric leakage protection socket |
| 06/20/2012 | CN101227185B Electromechanical switching circuitry in parallel with solid state switching circuitry |
| 06/19/2012 | US8204864 Restartable dump that produces a consistent filesystem on tapes |
| 06/19/2012 | US8203819 Electrical protection component with a short-circuiting device |
| 06/19/2012 | US8203816 Circuit breaker |
| 06/19/2012 | US8203815 System and method to provide transient overvoltage suppression |
| 06/19/2012 | US8203814 Electrical switching apparatus including a plurality of Rogowski coils and method of calibrating the same |
| 06/19/2012 | US8203813 Distributed power supply system |
| 06/19/2012 | US8203312 Battery pack and control method |
| 06/19/2012 | CA2446876C Protection of an electric power transmission network |
| 06/14/2012 | WO2012076959A1 Leakage detection breaker |
| 06/14/2012 | US20120151225 Apparatus, method, and system for improved power delivery performance with a dynamic voltage pulse scheme |
| 06/14/2012 | US20120147512 Surge protection circuit in three-phase four-wire circuit |
| 06/14/2012 | US20120147511 Smart ground bonding method for facilities |
| 06/14/2012 | US20120147509 TBF Compatible with Input Power Including GFCI |
| 06/14/2012 | US20120147508 Three phase multi-generator ground fault circuit |
| 06/14/2012 | DE102011011254A1 Überspannungsableiteranordnung mit mindestens einem Varistorableitelement Surge arrester with at least one Varistorableitelement |
| 06/14/2012 | DE102010063041A1 Generatorvorrichtung mit verbesserter Verpolfestigkeit Generator apparatus with improved polarity reversal |
| 06/14/2012 | DE102010062708A1 Mobiles Startgerät Mobiles boot device |
| 06/14/2012 | DE102010062522A1 Domestic appliance, particularly washing machine, comprises electrical consumer, which is connected with electrical network connections of household appliance, and semiconductor switch, which is connected with electrical consumer |
| 06/13/2012 | EP2463977A2 Disconnection of a photovoltaic string carrying direct current power |
| 06/13/2012 | EP2462672A2 Device for supplying electrical energy from a plurality of strings of photovoltaic modules to a power grid |
| 06/13/2012 | CN202276510U 一种led灯具过热保护电路 One kind of led lamps overheat protection circuit |
| 06/13/2012 | CN202276306U 一种双通道冗余无刷直流电机驱动器 A dual-channel redundancy brushless DC motor drives |
| 06/13/2012 | CN202276290U 同一端口输出多种电压的车载电源转换器及车载电源转换装置 Multiple output voltage of the same port car power adapter and car power converter |
| 06/13/2012 | CN202276144U Protective device of base station communication power supply and base station communication power supply |
| 06/13/2012 | CN202276141U Electric leakage protector |
| 06/13/2012 | CN202276139U 新型igbt短路保护电路 The new igbt short-circuit protection |
| 06/13/2012 | CN202276136U 一种变频器的漏电保护装置 Leakage protection device for the inverter |
| 06/13/2012 | CN202276132U 断路器和电子断路器 Circuit breakers and electronic circuit breakers |
| 06/13/2012 | CN202276131U 新型接地故障保护电子式脱扣器 The new ground-fault protection of electronic trip unit |
| 06/13/2012 | CN202276130U 预付费装置保护单元 Prepaid device protection unit |
| 06/13/2012 | CN202276129U 自动报警过欠压保护器 Automatic alarm over voltage protection |
| 06/13/2012 | CN202276128U 一种谐振型直流固态断路器 One kind of resonant DC Solid State Circuit Breaker |
| 06/13/2012 | CN102496915A Power distribution network fault processing method and system thereof |
| 06/13/2012 | CN102496914A Preheating relay preventing short-circuit failure |
| 06/13/2012 | CN102496912A Three-phase IGBT temperature alarm and control protection circuit |
| 06/13/2012 | CN102496909A Simple leakage protector with multi-gear adjustable protection values and action time |
| 06/13/2012 | CN102496908A Novel under-voltage release protection device |
| 06/13/2012 | CN102496907A Set top box, power fail safeguard device and power fail data protection method |
| 06/13/2012 | CN102496906A Method of overvoltage protection of PFC output filter capacitor of display device and overvoltage protection circuit thereof |
| 06/13/2012 | CN102496905A High-voltage open-circuited protection circuit of LCD (Liquid Crystal Display) screen |
| 06/13/2012 | CN102496904A Self-powered communication-bus short-circuit protection method |
| 06/13/2012 | CN102496903A Over-current protection circuit, power supply circuit and power supply |
| 06/13/2012 | CN102496817A Ungrounded electric leakage protection plug |
| 06/13/2012 | CN102496813A Novel measuring, electricity-saving and protective control system |
| 06/13/2012 | CN102495304A Detection and protection circuit for EOL state of HID light source |
| 06/13/2012 | CN102495267A Alternating current detection circuit and automatic power-off circuit with zero power-off power consumption |
| 06/13/2012 | CN102490783A Electrically-controlled hydraulic steering control device |
| 06/13/2012 | CN101860000B Quick identification method for permanent fault before single-phase reclosing of power transmission line |
| 06/13/2012 | CN101710689B Method for protecting strong feed-in line current |
| 06/13/2012 | CN101696986B Fault arc detection method and protection device adopting same |
| 06/13/2012 | CN101683947B Elevator control device |
| 06/13/2012 | CN101523679B Power supply and electronic ballast with auxiliary protection circuit |
| 06/12/2012 | US8199453 Shaft current control brush ring assembly |
| 06/12/2012 | US8199449 Method and a device for monitoring high-voltage connections of a hybrid vehicle |
| 06/12/2012 | US8199448 Method and apparatus for protecting against reverse current flow |
| 06/12/2012 | US8199446 Circuit interrupting system with remote test and reset activation |
| 06/12/2012 | CA2616319C A relay-to-relay direct communication system and method in an electric power system |
| 06/12/2012 | CA2612821C Controlled switching device |
| 06/07/2012 | WO2012075305A2 Dual-comparator restricted earth fault protection |
| 06/07/2012 | WO2012072797A1 Circuit protection |
| 06/07/2012 | US20120140371 Device and Method for Providing a Quantity of Energy in Said Supply Device for Consumer |