| 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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| 01/03/2013 | US20130003239 Switching mode power supply apparatus and power supply method thereof |
| 01/03/2013 | US20130003237 High voltage interlock circuit utilizing serial communications |
| 01/03/2013 | DE112010004351T5 Elektrischer Schaltkreis mit Überspannungsschutz-Überwachungseinrichtung Electrical circuit with surge protection monitoring device |
| 01/02/2013 | EP2541717A2 System and method for automated fault control and restoration of smart grids |
| 01/02/2013 | EP2541715A1 Dc power supply insulation fault detection circuit |
| 01/02/2013 | CN202652593U Intrinsically-safe underground anti-explosion lamp box |
| 01/02/2013 | CN202652375U Television power supply system with simple power fail safeguard |
| 01/02/2013 | CN202652090U High-voltage electrostatic generator |
| 01/02/2013 | CN202652083U Battery car inverter |
| 01/02/2013 | CN202652062U PFC circuit and PFC transformer |
| 01/02/2013 | CN202651852U Equipment supporting external 5-V charging and EVDO internet connection |
| 01/02/2013 | CN202651775U Parameter setting device for coal mine power center protective circuit |
| 01/02/2013 | CN202651774U Under-voltage protection circuit in LED drive chip |
| 01/02/2013 | CN202651755U Gas leakage and electrical fire alarm power-off device |
| 01/02/2013 | CN202651754U Controller adjusting load |
| 01/02/2013 | CN202651753U Coal mine power center protective circuit |
| 01/02/2013 | CN202651752U Electric leakage protection device with expansion function |
| 01/02/2013 | CN202651751U Detection and protection system of electric appliance external surface electric leakage |
| 01/02/2013 | CN202651750U Coal mine motive power center protection control circuit |
| 01/02/2013 | CN202651749U Protection circuit preventing long-term error transmission of radio station |
| 01/02/2013 | CN202651748U Overcurrent protection circuit |
| 01/02/2013 | CN202651747U Load protection method for electric tool |
| 01/02/2013 | CN202651746U Power supply over-voltage protection circuit |
| 01/02/2013 | CN202651529U Intelligent plugboard provided with overvoltage protective device |
| 01/02/2013 | CN202651528U Intelligent plugboard provided with overcurrent protective device |
| 01/02/2013 | CN102856889A Self-restoring type over/under-voltage protection device |
| 01/02/2013 | CN102856883A Mixing machine and protective device and protection method of same |
| 01/02/2013 | CN102856880A Power supply overvoltage protecting circuit |
| 01/02/2013 | CN102856879A Intelligent electric grid protection fee control metering device |
| 01/02/2013 | CN102856878A Overcurrent and overpower protection device |
| 01/02/2013 | CN102856877A Power-saving overload start and interruption relay |
| 01/02/2013 | CN102856876A Anti-misreport island detection system |
| 01/02/2013 | CN102856875A Circuit breaking device of switch cabinet |
| 01/02/2013 | CN102856874A Electrical distribution system including micro electro-mechanical switch (MEMS) devices |
| 01/02/2013 | CN102104276B Adaptive dual-controller power supply used for vehicle |
| 01/02/2013 | CN101950956B Lightning-proof electric control device of photovoltaic power generation system |
| 01/02/2013 | CN101950944B Device and method for relay protection |
| 01/02/2013 | CN101854050B Over-voltage protection device |
| 01/02/2013 | CN101777759B Complete set of protection devices for ultrahigh-speed DC line on basis of single-ended transient signals and protection method thereof |
| 01/02/2013 | CN101641848B Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker |
| 01/02/2013 | CN101630674B Circuit protection device including resistor and fuse element |
| 01/02/2013 | CN101574804B Hairdressing hair direr with internal breaker |
| 01/01/2013 | US8346115 Power supply circuit identification device for identifying a type of a power supply circuit and image forming apparatus |
| 01/01/2013 | US8345401 Semiconductor device |
| 01/01/2013 | US8345399 Electrical protection assembly and system |
| 01/01/2013 | US8345397 Sensor control apparatus and sensor control method |
| 01/01/2013 | US8345396 Electrostatic discharge protectors having increased RC delays |
| 01/01/2013 | US8344701 Electronic apparatus with fake charging preventing function and method thereof |
| 12/27/2012 | WO2012176954A1 Active zero-phase harmonic filter having overload protection function using contactless switching element |
| 12/27/2012 | WO2012175206A1 State monitoring or diagnostics system |
| 12/27/2012 | US20120327547 Surge Protection |
| 12/27/2012 | US20120327546 Electronic apparatus |
| 12/27/2012 | US20120327545 Recloser device and method of operation |
| 12/27/2012 | US20120327544 Overvoltage protection circuit |
| 12/27/2012 | US20120327543 Electrode and method for supplying current to a reactor |
| 12/27/2012 | US20120327542 Power source protection circuit including over-voltage protector and over-current protector |
| 12/27/2012 | US20120327541 Digital protection relay and operation method thereof |
| 12/27/2012 | US20120326531 Electrical storage apparatus |
| 12/27/2012 | DE112010005389T5 Hochspannungs-Verriegelungsschaltung, welche einen seriellen Kommunikationsbereich verwendet High-voltage locking circuit using a serial communication area |
| 12/27/2012 | DE102011077967A1 Elektrode und Verfahren zur Stromversorgung eines Reaktors Electrode and method for the power supply of a reactor |
| 12/26/2012 | EP2538513A1 Protection circuit, battery control device, and battery pack |
| 12/26/2012 | EP2538512A2 System and method for use in monitoring synchronous machines |
| 12/26/2012 | EP2538511A1 Arc flash system for a power circuit |
| 12/26/2012 | CN202634383U Power switch and overvoltage power-off controller thereof |
| 12/26/2012 | CN202634313U 逆变器 Inverter |
| 12/26/2012 | CN202634300U Direct-current power supply powered by current transformer |
| 12/26/2012 | CN202633963U Circuit of photovoltaic grid-connected inverter |
| 12/26/2012 | CN202633920U Intelligent monitoring system for branch circuit switch |
| 12/26/2012 | CN202633919U Split-type eight-path direct-current differential device |
| 12/26/2012 | CN202633918U MOS pipe over-current self-recovery protection circuit |
| 12/26/2012 | CN202633915U Output overvoltage protective circuit for inverter power supply |
| 12/26/2012 | CN202633911U Frequency converter fault protection automatic reset apparatus |
| 12/26/2012 | CN202633910U Power supply module with overvoltage protection function |
| 12/26/2012 | CN202633905U Digital motor fire protection device |
| 12/26/2012 | CN202633904U Household electrical appliance electric protector |
| 12/26/2012 | CN202633903U Digital capacitor open-phase protection system |
| 12/26/2012 | CN202633902U Power failure protecting circuit for television set |
| 12/26/2012 | CN202633901U Overvoltage protection circuit |
| 12/26/2012 | CN202633900U Protector of circuit system |
| 12/26/2012 | CN202633899U Mine lighting lamp protection device |
| 12/26/2012 | CN202633898U Mining intrinsic-safe type control relay |
| 12/26/2012 | CN202633897U Inrush current controller for solving abnormal tripping caused by magnetic saturation |
| 12/26/2012 | CN202633896U Circuit for protecting universal serial bus (USB) interface |
| 12/26/2012 | CN202633895U Intelligent protective device of withstand voltage equipment at site |
| 12/26/2012 | CN202633894U Power circuit breaker opening/closing coil protective circuit |
| 12/26/2012 | CN202633893U Short circuit/overcurrent protection controller |
| 12/26/2012 | CN202633892U Electric equipment protection device |
| 12/26/2012 | CN202633687U Comprehensive protection socket |
| 12/26/2012 | CN102843801A Light-emitting diode (LED) road lamp device additionally provided with lightning arrester |
| 12/26/2012 | CN102842967A Power transmission line self-power collecting device |
| 12/26/2012 | CN102842893A Short-circuit protection and control circuit for LED (Lighnt emitting Diode) strip lamp |
| 12/26/2012 | CN102842890A Realizing method of current change rate protection |
| 12/26/2012 | CN102842889A Highly sensitive ground wire with voltage protector |
| 12/26/2012 | CN102842888A Energy saving and load protecting device and method for alternating current contactor |
| 12/26/2012 | CN102842887A Anti-interference electricity protecting method and anti-interference electricity protecting apparatus for electric equipment |
| 12/26/2012 | CN102842886A Overvoltage protection circuit |
| 12/26/2012 | CN102842885A Protecting circuit and electronic device with same |
| 12/26/2012 | CN102842884A Electrode and method for supplying current to reactor |
| 12/26/2012 | CN102842883A Over-current protection circuit of intrinsically safe power supply |
| 12/26/2012 | CN102842882A Arc flash system for power circuit |