| 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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| 03/13/2013 | CN202797964U Starting protection circuit capable of preventing reverse connection damage |
| 03/13/2013 | CN202797963U Reverse-current resistant and zero-power-consumption adjuster |
| 03/13/2013 | CN202797962U Automatic live-line-and-zero-line switching circuit |
| 03/13/2013 | CN202797894U Automatic adjuster of power source phase sequence for three-phase asynchronous motor |
| 03/07/2013 | DE102011081950A1 Household appliance e.g. dishwasher has switch that is provided for connecting earthing contacts to electrical protection device in one switching position and terminal with earthing contact in another switching position |
| 03/06/2013 | CN202772572U Phase conversion device for three-phase power |
| 03/06/2013 | CN202772549U Protector integrated with open phase protection, phase sequence protection and overvoltage/undervoltage protections |
| 03/06/2013 | CN102957171A Solar energy graded manager |
| 03/06/2013 | CN102956635A Integrated copper fuse combined with esd/over- voltage/reverse polarity protection |
| 03/06/2013 | CN102157966B Intelligent photovoltaic controller with multiple functions |
| 03/06/2013 | CN101997446B Artificial intelligent environment self-recognition multifunctional controller used for solar battery |
| 03/05/2013 | US8390965 Over-current protection device for multiple high-voltage motive devices and method thereof |
| 02/28/2013 | DE102010037225B4 Vorrichtung und Verfahren zum Betreiben eines Leuchtmoduls mit Leerlauf-Spannungsbegrenzung The apparatus and method of operating a light-emitting module with idle voltage limiting |
| 02/27/2013 | CN202759219U Power line with large-current protection device |
| 02/13/2013 | CN102931637A Power source protection circuit of vehicle-mounted electronic component |
| 02/13/2013 | CN102035448B Electronic circuit of electronic speed regulator used for electric scooter for people with handicap |
| 02/06/2013 | CN202721442U Heat pump with protective device |
| 02/06/2013 | CN102916422A Safety device for electrical wires, electrical flat wire system and method for monitoring the electrical flat wire |
| 01/31/2013 | WO2013013415A1 Ground wire safe voltage control system |
| 01/31/2013 | DE102011052251A1 Elektrische Relaisansteuerschaltung Electrical relay drive circuit |
| 01/30/2013 | CN202712950U Energy saving charger |
| 01/30/2013 | CN202712848U Intelligent switch reverse power protection circuit used in vehicle |
| 01/30/2013 | CN102904241A Protection circuitry for reversible connectors |
| 01/30/2013 | CN102904218A Battery protection IC and battery device |
| 01/23/2013 | EP2548275A1 On-board electrical system for a vehicle |
| 01/23/2013 | CN202696108U Voltage type leakage protection power line overcurrent protection device used for electric water heater |
| 01/23/2013 | CN102891471A Three-phase circuit breaker having zero offset, zero/fire wire reverse connection and fire wire disconnection protection functions |
| 01/16/2013 | CN202678968U Communication protecting circuit and air conditioner adopting the communication protecting circuit |
| 01/16/2013 | CN202678967U Zero-loss photovoltaic current anti-backflow monitoring device |
| 01/16/2013 | CN202678966U Novel input anti reversal connection circuit |
| 01/16/2013 | CN102882254A Zero-loss photovoltaic follower |
| 01/16/2013 | CN102882181A Reverse protection and overvoltage protection circuit based on bidirectional silicon-controlled thyristor |
| 01/09/2013 | CN102868141A Over-temperature protection circuit structure for transformer |
| 01/03/2013 | WO2013003205A1 Method and apparatus for measuring the power of a power generator while operating in variable frequency mode and/or while operating in pulsing mode |
| 01/02/2013 | CN202651783U Semiconductor laser protection device |
| 01/02/2013 | CN202651782U Circuit capable of bearing high direct current and possessing reverse connection protection function |
| 01/02/2013 | CN202651751U Detection and protection system of electric appliance external surface electric leakage |
| 01/02/2013 | CN102856895A Reverse current protection contactor |
| 01/02/2013 | CN102856894A Anti-countercurrent zero-power-consumption regulator |
| 12/26/2012 | CN202634565U Television set with voltage reverse apply protecting circuit |
| 12/26/2012 | CN202633938U Residual current protection device for wiring abnormity |
| 12/26/2012 | CN102842892A Photovoltaic energy-saving comprehensive protector |
| 12/26/2012 | CN102082431B Automatic N (neutral) line selection circuit |
| 12/19/2012 | CN202616773U Direct-current power input anti-reverse-connection device |
| 12/19/2012 | CN202616772U Automatic identification and switching circuit for zero line and live wire of alternating currents |
| 12/19/2012 | CN202616771U Power supply wrong connection protection high-voltage circuit |
| 12/19/2012 | CN102833902A Boosting LED (light-emitting diode) constant-current drive circuit |
| 12/18/2012 | US8334622 Emergency stop system for a group of machine units |
| 12/18/2012 | CA2559318C Electrical safety lockout mechanism for power tools and other hazardous machinery |
| 12/13/2012 | US20120313456 Load control device having an electrically isolated antenna |
| 12/12/2012 | EP2532063A1 Improved ground detection circuit and method of manufacturing the same |
| 12/12/2012 | CN202602583U Three-phase half-wave brushless DC (direct current) motor controller with reverse connection protection function |
| 12/12/2012 | CN202602282U Circuit with function of preventing reverse current of power metal oxide semiconductor field effect transistor (MOSFET) |
| 12/12/2012 | CN202602269U Protection circuit of elevator system communication interface |
| 12/12/2012 | CN101656418B Fan system and power reverse protection device thereof |
| 12/06/2012 | WO2012163630A1 Power supply circuit and polarity reversal protection circuit |
| 12/05/2012 | CN202586793U Photovoltaic grid-connected inverter with input reverse-connection protection |
| 12/05/2012 | CN202585471U Solar cell assembly packaged with reverse connection protection circuit |
| 12/05/2012 | CN102810854A Protection circuit |
| 12/05/2012 | CN101888109B Storage battery charge control circuit adopting two-way reverse connecting protection |
| 12/04/2012 | US8322878 Linear solid-state lighting with a double safety mechanism free of shock hazard |
| 11/29/2012 | WO2012159714A1 Residual-current protection for electric tools |
| 11/29/2012 | DE102011102548A1 Fehlerstromschutz für Elektrowerkzeuge Fault protection for power tools |
| 11/21/2012 | CN202550529U Reverse protector |
| 11/21/2012 | CN202550490U Low-loss isolating protective circuit for solar battery |
| 11/21/2012 | CN102792541A On-board electrical system for a vehicle |
| 11/14/2012 | CN202533789U Field device used in industrial process control system |
| 11/07/2012 | CN202524135U Solar charging circuit |
| 11/07/2012 | CN202524079U Strong-wind resistant protective circuit for air conditioner outdoor unit |
| 11/07/2012 | CN202524070U Protective circuit for preventing reverse connection of accumulator |
| 11/07/2012 | CN202524069U Reverse-polarity protection circuit |
| 11/07/2012 | CN102769959A LED light-dimming driving circuit |
| 10/31/2012 | DE102011018674A1 Photovoltaic system for supplying electric current to e.g. multiple consumers in building, has destruction device making photovoltaic generator to be partially inoperative and causing partial overloading of generator, if necessary |
| 10/31/2012 | CN202513587U Grid-connected inverter power supply and countercurrent prevention system |
| 10/31/2012 | CN202513570U Non-outage device for changing electric energy meter |
| 10/24/2012 | EP2514043A1 Self-monitoring connection line and operating equipment |
| 10/24/2012 | CN102751748A Charging system for electric vehicle |
| 10/24/2012 | CN102751714A Overvoltage protection circuit and current sampling device |
| 10/23/2012 | US8294430 Double-fed asynchronous generator and method for its operation |
| 10/18/2012 | DE102011007222A1 Wechselrichterschaltung, Wechselrichter und Photovoltaiksystem Inverter circuit, inverters and photovoltaic system |
| 10/17/2012 | CN202495749U Power source protection circuit |
| 10/17/2012 | CN102738662A Interface, electronic apparatus with interface and protection method thereof |
| 10/10/2012 | CN202488133U Low-cost protection and failure warning circuit of solar panel circuit |
| 10/03/2012 | CN202474988U Wind-light complementary controller |
| 10/03/2012 | CN202474856U Photovoltaic inverter system with direct-current false connection prevention function |
| 10/03/2012 | CN202474855U DC source reverse-connection preventing circuit |
| 10/03/2012 | CN202474833U Output short-circuit protective circuit for battery charger |
| 10/03/2012 | CN202474830U Power supply circuit via DC power supply for electronic device unit |
| 10/03/2012 | CN202474816U Active reverse connection prevention and protection circuit of solar battery |
| 10/03/2012 | CN102709999A Energy-saving charger |
| 10/03/2012 | CN101017976B Method and apparatus to authenticate a power supply |
| 09/27/2012 | WO2012127007A1 Domestic appliance with protection circuit |
| 09/27/2012 | DE102011014759A1 Sicherungs-Vorrichtung für Photovoltaikmodule Capture Device for photovoltaic modules |
| 09/27/2012 | DE102011005968A1 Beleuchtungsvorrichtung mit mindestens einer LED A lighting device comprising at least one LED |
| 09/26/2012 | EP2503343A1 Systems, methods, and apparatus for detecting theft and status of electrical power |
| 09/26/2012 | CN202455064U Reverse-connection preventing alarm circuit |
| 09/20/2012 | US20120235514 System and method to detect child presence using active mems sensors |
| 09/19/2012 | CN202444466U Direct current parallel multi-motor driving system device |
| 09/19/2012 | CN202444303U Full automatic stop charger |
| 09/19/2012 | CN202444252U Novel power protection device |