| Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
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| 09/04/2013 | CN103280794A Surging resistant and reverse-connection resistant port |
| 08/29/2013 | US20130221762 Electromagnetic shielding material |
| 08/28/2013 | CN203166509U Contactor capable of avoiding open-phase operation of power system for transformer station |
| 08/28/2013 | CN203166508U Reversed connection-preventing protective circuit for inverter power supply |
| 08/28/2013 | CN203166486U Low-power consumption battery power supply reverse protection circuit |
| 08/28/2013 | CN203166470U Three-phase AC power supply phase sequence protection circuit, protection device and air conditioner |
| 08/28/2013 | CN103269067A Speed-control switch control circuit |
| 08/28/2013 | CN103269000A Improved-type leakage protection socket with function of negative wiring protection |
| 08/28/2013 | CN102185222B Leakage protection socket with reverse wiring protection function |
| 08/21/2013 | CN203151089U Protection circuit capable of preventing reverse connection of chip power supply |
| 08/20/2013 | US8513837 Electrical interrupt system and method for use in a hybrid system |
| 08/15/2013 | WO2013017311A3 Central polarity-reversal protection circuit for an on-board power system of a vehicle |
| 08/14/2013 | EP2626965A1 Current extension and testing unit |
| 08/14/2013 | EP2626964A1 High voltage system and corresponding monitoring method |
| 08/14/2013 | CN203135437U Electronic vacuum pump protection circuit |
| 08/08/2013 | WO2013015938A4 Protection circuitry for reversible connectors |
| 07/31/2013 | CN203104067U Constant-pressure current limiting charger |
| 07/31/2013 | CN203103951U Anti-reverse-connection system for battery of vehicle-mounted charger |
| 07/31/2013 | CN203103950U Device for power supply monitoring and abnormal reversed current delivery protection and control |
| 07/31/2013 | CN102255363B Charging circuit topology for solar controller under comprehensive protection and control method thereof |
| 07/31/2013 | CN101938122B Electric control system and method applied to automatic meter verification table of electric energy meter |
| 07/24/2013 | EP2618487A2 Switching circuit and power supply device |
| 07/24/2013 | CN203086117U Anti-reverse-connection protection circuit of storage battery EDM |
| 07/24/2013 | CN103219782A High-power battery charging device capable of preventing reverse current charging and battery reversal |
| 07/24/2013 | CN103219776A High-power battery charging device capable of preventing battery reversal |
| 07/24/2013 | CN103219703A Leakage protector for preventing low voltage inverse power transmission |
| 07/18/2013 | WO2013104489A1 Protection circuit for preventing connection of the dc output of an electronic element to an ac voltage by mistake and ac/dc converter comprising the protection circuit |
| 07/17/2013 | CN103208793A Reverse connection prevention circuit for direct current power supply |
| 07/17/2013 | CN101841181B Charger |
| 07/11/2013 | WO2013102493A1 A system and a method to generate an interlocking mechanism for an electronic device to control a power system |
| 07/10/2013 | CN203056622U Intelligent charger control panel |
| 07/10/2013 | CN103199503A Protective circuit of vehicle-mounted charger |
| 07/04/2013 | US20130170087 Protection circuit for memory control chip |
| 07/04/2013 | DE102012200067A1 Verfahren und Vorrichtung zur Überwachung eines Umrichters Method and device for monitoring of a converter |
| 07/03/2013 | CN203039408U Lithium battery power source |
| 07/03/2013 | CN103187706A Voltage detection leakage protection device for electric water heater |
| 07/03/2013 | CN101860021B Circuit for preventing reverse connection of power supply and lamp |
| 06/27/2013 | WO2013091689A1 Separating device for direct current interruption between a photovoltaic generator and an electrical apparatus, and photovoltaic system having such a separating device |
| 06/27/2013 | WO2013091175A1 Open circuit protection controller |
| 06/26/2013 | CN103178576A High-current protector |
| 06/26/2013 | CN101867214B Charging circuit and charger |
| 06/19/2013 | CN203014690U A camera protected by a power supply with wide voltage |
| 06/19/2013 | CN203014348U A motor protector |
| 06/12/2013 | CN202997560U Fully automatic quick reversal connection protection charger |
| 06/12/2013 | CN202997559U Input anti reversal connection protection circuit of solar energy controller |
| 06/12/2013 | CN103151828A Power supply system with redundant performance optimized |
| 06/06/2013 | WO2013081189A1 Relay device |
| 06/06/2013 | WO2013078848A1 Terminal charging protection circuit |
| 06/06/2013 | WO2013015938A3 Protection circuitry for reversible connectors |
| 06/06/2013 | WO2012146412A3 Method and control device for protection time setting in an electric drive system |
| 06/05/2013 | CN202978688U One-way input circuit |
| 06/05/2013 | CN202978233U Direction-current power source protection device |
| 06/05/2013 | CN102055183B Switch control circuit for electric wheel chair |
| 06/05/2013 | CN101989753B Control system for storage battery connection of communication power supply |
| 05/30/2013 | US20130134933 Power safety system and method having a plurality of thermally-triggered electrical breaking arrangements |
| 05/29/2013 | EP2596373A1 Device and method for detecting a ground fault |
| 05/29/2013 | DE102012221376A1 System zum Erfassen eines Verdrahtungsfehlers eines Parallelinvertersystems A system for detecting a wiring failure of a parallel inverter system |
| 05/29/2013 | CN202957592U Power source current-limiting protecting circuit applied to battery-powered intelligent instrument |
| 05/22/2013 | CN103117542A 风机相序保护电路 Fans phase sequence protection circuit |
| 05/16/2013 | DE102011055199A1 Control circuit for brushless direct current motor, has validation device verifying function of evaluating device and allowing switching-on of electromotor when validation result determines that evaluating device operates correctly |
| 05/15/2013 | EP2591550A2 Circuit for protecting against reverse polarity |
| 05/15/2013 | CN103107512A Proximity detection circuit having short protection |
| 05/10/2013 | WO2013066708A1 Process control field device with circuitry protection |
| 05/10/2013 | WO2012110913A3 Electrical means to limit leakage current in battery operated patient-connected medical devices |
| 05/09/2013 | US20130113304 Safety circuit arrangement for connection or failsafe disconnection of a hazardous installation |
| 05/09/2013 | US20130113303 Safety system for machinery |
| 05/08/2013 | CN202930935U Three-phase power supply phase sequence fault-tolerant device |
| 05/08/2013 | CN202930934U Protective circuit |
| 05/08/2013 | CN202930923U Protection circuit for battery polarity reversing |
| 05/08/2013 | CN103092147A Process control field device with circuitry protection |
| 05/02/2013 | DE102012213379A1 Hauptrelais-überwachungsgerät und verfahren für ein umweltfreundliches fahrzeug Main relay monitor and process for an environmentally friendly vehicle |
| 05/01/2013 | CN202917976U Protective device of solar energy LED power supply input polarity reversal connection |
| 05/01/2013 | CN103080757A Device and method for detecting a ground fault |
| 05/01/2013 | CN103078310A Method and system for identifying live wire of power supply circuit |
| 04/24/2013 | CN202906463U Two-wire-system transmitter positive/negative pole recognition and protection device |
| 04/24/2013 | CN202906462U 基地电台相序保护装置 Base station phase sequence protection device |
| 04/24/2013 | CN103066585A Power supply detection and abnormal reverse power transmission control device |
| 04/17/2013 | CN202888900U Storage battery charging and boosting circuit for online UPS (Uninterrupted Power Supply) |
| 04/17/2013 | CN202888813U Battery reverse connection preventing circuit of charger |
| 04/17/2013 | CN103050965A Reverse conversion circuit of bipolar power supply |
| 04/17/2013 | CN103050964A Reverse voltage protection device |
| 04/17/2013 | CN101689441B Polarity reversal protection unit |
| 04/11/2013 | US20130088098 Circuit configuration, household device and method for operating the household device |
| 04/10/2013 | CN202872363U Reverse-connection preventive circuit for photovoltaic convergence box photovoltaic battery string |
| 04/10/2013 | CN103036226A Low-cost and low-power-consumption power supply reverse connection protection circuit and protection method of the same |
| 04/10/2013 | CN101924363B Protection circuit for preventing misoperations and solar power generation system applying same |
| 04/10/2013 | CN101359826B Communication protecting equipment |
| 04/09/2013 | US8416548 Device for controlling a MOS transistor |
| 04/03/2013 | CN202856348U Circuit power-off protection device |
| 04/03/2013 | CN202856325U Electrocar rechargeable battery reverse connection protection circuit |
| 04/03/2013 | CN202856306U Reverse connection protection and overvoltage protection circuit based on bidirectional silicon controlled rectifier |
| 04/03/2013 | CN103023116A Mobile communication terminal and circuit used for protecting charging of mobile communication terminal |
| 04/03/2013 | CN103023011A Full-automatic quick reverse-connection protective charger |
| 04/03/2013 | CN103023010A Control unit for automobile |
| 04/03/2013 | CN102324717B Leakage protection device |
| 03/27/2013 | EP2573893A2 Electronic control unit for automobile |
| 03/27/2013 | CN202840512U Reverse-connection-preventing relay switch circuit |
| 03/27/2013 | CN102369644B Control circuit for preventing battery group from being reversely connected and power supply system for base station |
| 03/20/2013 | CN202817845U Solar charging circuit |
| 03/13/2013 | CN202798087U Zero-loss photovoltaic output device |