| 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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| 10/06/2011 | WO2011121056A1 Determination of the fault current component of a differential current |
| 10/06/2011 | US20110242721 Electronic device with safety testing function |
| 10/06/2011 | US20110242719 Cascade electromagnetic pulse protection circuit for high frequency application |
| 10/06/2011 | US20110242718 Protection circuit for central processing unit |
| 10/06/2011 | US20110242717 Power tool |
| 10/06/2011 | US20110242716 Load circuit protection device |
| 10/06/2011 | US20110242715 Power Management Arrangement and Method in a Utility Meter |
| 10/06/2011 | US20110242711 Protective device with improved surge protection |
| 10/06/2011 | DE102010013642A1 Verfahren zum Kompensieren von insbesondere durch Kapazitäten hervorgerufenen Ableitströmen und Differenzstromschutz- oder Überwachungseinrichtung A method of compensating in particular caused by leakage currents and capacitances Differenzstromschutz- or monitoring device |
| 10/06/2011 | CA2794116A1 Determination of the fault current component of a differential current |
| 10/05/2011 | EP2372858A2 Method for compensating capacitive leakage currents and device for residual current protection or monitoring |
| 10/05/2011 | EP2372857A1 Determination of the proportion of differential current made up of faulty current |
| 10/05/2011 | EP2372856A1 Load circuit protection device |
| 10/05/2011 | EP2372739A1 Phase-control switchgear and method for controlling switchgear |
| 10/05/2011 | EP1368874B8 Electrostatic discharge protection structures for high speed technologies with mixed and ultra-low voltage supplies |
| 10/05/2011 | CN202005046U LED (light-emitting diode) lamp and power supply driving circuit of LED lamp |
| 10/05/2011 | CN202004511U Open-ended charging cabinet for hand-held terminal in supermarket |
| 10/05/2011 | CN202004455U Universal electricity saving device |
| 10/05/2011 | CN202004453U High-voltage flexible overvoltage suppression device |
| 10/05/2011 | CN202004438U Secondary side voltage protecting and measuring device for V-V type voltage transformer |
| 10/05/2011 | CN202004436U Light emitting diode (LED) driving circuit and short circuit protection circuit thereof |
| 10/05/2011 | CN202004434U Strong-current protection device of butt welding machine |
| 10/05/2011 | CN202004431U Circuit protection system |
| 10/05/2011 | CN202004430U Earth leakage protection device of grid-connected photovoltaic inverter |
| 10/05/2011 | CN202004429U Phase-failure protection alternating current contactor |
| 10/05/2011 | CN202004428U Surge-blocking-type protection circuit |
| 10/05/2011 | CN202004427U Overvoltage protection circuit of LED (light-emitting diode) driving power supply |
| 10/05/2011 | CN202004426U Low-voltage line protection circuit |
| 10/05/2011 | CN202004425U Protection circuit for realizing precise undervoltage-overvoltage and overcurrent |
| 10/05/2011 | CN202004424U Printed circuit board assembly (PCBA) overheating protection control circuit |
| 10/05/2011 | CN202004423U Overcurrent protecting device of power socket |
| 10/05/2011 | CN202004422U Fireproof automatic breaker for automobiles |
| 10/05/2011 | CN202004421U Intelligent voice power limiter |
| 10/05/2011 | CN202004420U Protection circuit of high-voltage therapeutic apparatus circuit |
| 10/05/2011 | CN202004419U Fuse monitoring device |
| 10/05/2011 | CN201998807U Electric automobile high-voltage automatic cutoff device |
| 10/05/2011 | CN201996981U Implanted active electronic device with overcurrent protection circuit, neuroelectricity stimulation system, cardiac pacing system and cardioverter defibrillation system |
| 10/05/2011 | CN1656659B Residual current circuit breaker |
| 10/05/2011 | CN102210077A Device and method for limiting the rail potential in a DC railway |
| 10/05/2011 | CN102209415A Light emitting diode (LED) alternating-current direct power supply circuit |
| 10/05/2011 | CN102208798A Novel electricity-saving protection circuit with electric leakage detection function |
| 10/05/2011 | CN102208797A Novel protection circuit with electric leakage detection function |
| 10/05/2011 | CN102208796A Power source voltage protective device and power source voltage protection method |
| 10/05/2011 | CN102208306A Low-voltage intelligent circuit breaker |
| 10/05/2011 | CN101394076B Digital protective relay system |
| 10/04/2011 | US8031455 System and method for circuit overcurrent protection |
| 10/04/2011 | US8031453 Industrial process field device with improved battery assembly |
| 10/04/2011 | US8031452 Single-supply single-ended high voltage peak detector |
| 10/04/2011 | US8031451 Solid state power control module with removal detector |
| 10/04/2011 | US8031450 Power supply control circuit |
| 10/04/2011 | US8031449 Fast-responding short circuit protection system with self-reset for use in circuit supplied by DC power |
| 10/04/2011 | US8031448 Input voltage clamp for a single-supply system |
| 10/04/2011 | US8031447 Transformer through-fault current monitor |
| 10/04/2011 | US8030869 Drive amplifier system and over-current detection method for the same |
| 10/04/2011 | CA2256243C Arc fault detector with circuit interrupter and early arc fault detection |
| 09/29/2011 | WO2011119344A1 Fault detection circuits for switched mode power supplies and related methods of operation |
| 09/29/2011 | WO2011116832A1 A hybrid circuit breaker |
| 09/29/2011 | WO2011116511A1 Current leakage detection module, current leakage detection protection module and current leakage protection circuit breaker with current leakage detection module |
| 09/29/2011 | US20110235229 Ethernet surge protector |
| 09/29/2011 | US20110235228 Apparatus and method for electronic circuit protection |
| 09/29/2011 | US20110235227 Remote Power Controller with Parallel FETS |
| 09/29/2011 | US20110235225 Overcurrent protection circuit |
| 09/29/2011 | US20110235224 Semiconductor integrated circuit |
| 09/29/2011 | DE102010009484A1 Inverter for solar panels in photovoltaic system, has control system which activates switches to disconnect inverter input from direct voltage input of inverter element if voltage connected to direct voltage input exceeds upper threshold |
| 09/28/2011 | EP2369715A1 Circuit assembly for operating a household device |
| 09/28/2011 | EP2369708A1 Protective switch assembly for a solar module |
| 09/28/2011 | EP2368303A1 Islanding detection system |
| 09/28/2011 | CN201994695U 一种供电电路 A power supply circuit |
| 09/28/2011 | CN201994647U 小电流接地选线保护控制器 Small current grounding line protection controller |
| 09/28/2011 | CN201994645U String and system adopting direct-current (DC) electricity generating modules (EGMs) and a plurality of string protectors |
| 09/28/2011 | CN201994644U 一种断路器的过电流保护装置 Overcurrent protective device of a circuit breaker |
| 09/28/2011 | CN201994640U 一种通用变频器的自动报警停机及定时停机装置 Automatic alarm stop a universal converter and timing shutdown device |
| 09/28/2011 | CN201994636U 带线圈过热报警及保护装置的智能电动机 With coil intelligent motor overheating alarm and protection devices |
| 09/28/2011 | CN201994631U 带防虚接功能的漏电保护开关 With anti-leakage protection switch virtual access functions |
| 09/28/2011 | CN201994630U 一种三相供电缺相保护装置 A three-phase power supply phase protection device |
| 09/28/2011 | CN201994629U 带防虚接功能的过压保护开关 With anti virtual access functions Overvoltage Protection Switch |
| 09/28/2011 | CN201994628U 单相电搭错报警保护器 Single-phase power protection on the wrong alarm |
| 09/28/2011 | CN201994627U 具多功能电源控制芯片接脚的控制电路及侦测电路 A multi-function power control chip and pin control circuit detection circuit |
| 09/28/2011 | CN201994626U 电炉电源最大需量控制系统 Electric power supply control system for maximum demand |
| 09/28/2011 | CN201994625U 一种负载保护装置 A supported protection device |
| 09/28/2011 | CN201994624U 一种tdk智能限电器 Limit one kind tdk intelligent appliances |
| 09/28/2011 | CN201994523U 超压过流断电保护的节能插座 Overpressure overcurrent shutdown protection energy-saving socket |
| 09/28/2011 | CN201990400U 天车电气系统保护装置 Crane electrical system protection devices |
| 09/28/2011 | CN1598726B Intrinsically safe field maintenance tool with power islands |
| 09/28/2011 | CN102204053A Multi-staged overvoltage protection circuit, in particular for information-technology systems |
| 09/28/2011 | CN102204051A Method and device for activating monitoring by a jamming protection function in an electrical closing system |
| 09/28/2011 | CN102204050A Differential protection method and differential protection device |
| 09/28/2011 | CN102202447A Heat-resistant and lightning proof LED driving power supply without electrolytic capacitor |
| 09/28/2011 | CN102201747A Voltage converting equipment |
| 09/28/2011 | CN102201663A Protection circuit |
| 09/28/2011 | CN102201655A Overvoltage protection circuit |
| 09/28/2011 | CN102201654A Overcurrent protection circuit |
| 09/28/2011 | CN102201653A Overcurrent protection circuit design system and method |
| 09/28/2011 | CN101697430B Power control method based CT electricity getting device of high voltage transmission line |
| 09/28/2011 | CN101369723B Protection system for reconfigurable static reactive-power compensation/DC de-icing composite apparatus |
| 09/28/2011 | CN101335447B Power-off protection system and method |
| 09/28/2011 | CN101226822B Differential detection toroid and device |
| 09/27/2011 | US8027489 Multi-voltage biasing system with over-voltage protection |
| 09/27/2011 | US8027270 Methods and apparatus for breaking and resynchronizing a data link |
| 09/27/2011 | US8027138 Capacitor sharing surge protection circuit |