| 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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| 05/18/2011 | CN201838982U Residual current protection device and circuit breaker using same |
| 05/18/2011 | CN201838981U High-sensitivity leakage current detection circuit breaker |
| 05/18/2011 | CN201838980U Open phase leakage switch |
| 05/18/2011 | CN201838979U Undervoltage protection device and television (TV) applying same |
| 05/18/2011 | CN201838978U Overvoltage protection circuit for multi-media player |
| 05/18/2011 | CN201838977U Neutral line burn-out prevention automatic protection device of low-voltage distribution network |
| 05/18/2011 | CN201838976U Electric leakage monitor with screen display function for electrical equipment |
| 05/18/2011 | CN201838975U Overload monitoring device for distribution line |
| 05/18/2011 | CN201838974U Minimum-guaranteed temperature controlling or timing circuit |
| 05/18/2011 | CN201838524U Master intelligent circuit breaker with self-diagnosis function |
| 05/18/2011 | CN201836744U LED (light-emitting diode) bulkhead lamp |
| 05/18/2011 | CN1877946B Secondary battery protective chip |
| 05/18/2011 | CN102067403A Method and arrangement for generating an error signal |
| 05/18/2011 | CN102067402A Fault circuit interrupter device |
| 05/18/2011 | CN102067401A Protection device for load circuit |
| 05/18/2011 | CN102067400A Fault current circuit breaker |
| 05/18/2011 | CN102064719A LED (Light Emitting Diode) backlight power source circuit, backlight power source and multimedia device |
| 05/18/2011 | CN102064710A Thyristor pressure regulator with phase sequence protection |
| 05/18/2011 | CN102064584A Improved power interface of wireless fixed station module |
| 05/18/2011 | CN102064539A Mixed line self-adaptive reclosing method based on traveling wave ranging principle |
| 05/18/2011 | CN102064536A Current protection method |
| 05/18/2011 | CN102064535A Insulated gate bipolar transistor overcurrent protection self-recovering circuit |
| 05/18/2011 | CN102064526A Circuit protection system |
| 05/18/2011 | CN102064525A Large-current connector safety monitoring method |
| 05/18/2011 | CN102064524A Electrical power system desynchronization and rapid disconnection judging method |
| 05/18/2011 | CN102064523A Intelligent power switching device |
| 05/18/2011 | CN102064522A Novel leakage protector |
| 05/18/2011 | CN102064521A Overvoltage, overcurrent, leakage and lightning protection multifunctional solar electric supply protection controller |
| 05/18/2011 | CN102064520A Lightning protection automatic switch for satellite television receiver |
| 05/18/2011 | CN102064519A Overload protection main control circuit board capable of accurately adjusting |
| 05/18/2011 | CN102064518A High-sensitivity current measurement and control device |
| 05/18/2011 | CN102064517A Set top box and antenna short circuit protection module thereof |
| 05/18/2011 | CN102064516A Overcurrent protection delay start-up circuit |
| 05/18/2011 | CN102064515A Domestic intelligent electrical safe power distribution system |
| 05/18/2011 | CN102063872A LCD backlight power circuit with high-voltage short-circuit protection |
| 05/18/2011 | CN101604835B Fault current limiter based on fast switch and triggered vacuum switch |
| 05/18/2011 | CN101515712B AC overvoltage protection device |
| 05/18/2011 | CN101388541B Automobile air conditioner control panel reference supply protecting equipment |
| 05/17/2011 | US7945830 Method and apparatus for unifying self-test with scan-test during prototype debug and production test |
| 05/17/2011 | US7944672 Control device for an actuator |
| 05/17/2011 | US7944670 Surge protection circuit for passing DC and RF signals |
| 05/17/2011 | US7944669 Electric fence energizer lightning protection |
| 05/17/2011 | US7944668 Connection apparatus with high voltage impulse protection |
| 05/17/2011 | US7944664 Safety device for a semiconductor switch |
| 05/17/2011 | US7944663 Over-current protection circuit |
| 05/17/2011 | US7944662 Multi-battery system for high voltage applications with proportional power sharing |
| 05/17/2011 | US7944661 Protection circuit, flat display device using the same, and method for driving flat display device using the same |
| 05/17/2011 | US7944660 Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution |
| 05/17/2011 | US7944657 Electrostatic discharge protection circuit |
| 05/17/2011 | US7944656 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit |
| 05/17/2011 | US7944654 Multiple-pole circuit breaker with shared current sensor for arcing fault detection |
| 05/17/2011 | US7944653 Self fault-detection circuit for ground fault circuit interrupter |
| 05/17/2011 | CA2379453C Direct current electrical system arc detection apparatus and method |
| 05/13/2011 | CA2709513A1 Electrical switching module |
| 05/13/2011 | CA2709508A1 Electrical switching module |
| 05/12/2011 | WO2011054385A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices |
| 05/12/2011 | US20110110128 Preventing metal oxide varistor (MOV) from releasing smoke, smell, and/or sound |
| 05/12/2011 | US20110110009 Switch circuit having overcurrent detection function |
| 05/12/2011 | US20110110008 Over current protection circuit |
| 05/12/2011 | US20110110007 Latch-control protection circuit |
| 05/12/2011 | US20110110003 Wiring device having leakage detection function |
| 05/12/2011 | US20110109171 Wattmeter circuit for operating a grinder pump assembly to inhibit operating under run dry or blocked conditions |
| 05/12/2011 | DE102009050223A1 Überwachungseinrichtung für ein elektrisches Hochspannungsnetz eines Fahrzeuges Monitoring device for a high voltage electrical system of a vehicle |
| 05/12/2011 | CA2779513A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices |
| 05/11/2011 | EP2320535A1 Current-limiting circuit breaker, electrical distribution device equipped with such a limiting circuit breaker and current-limiting method |
| 05/11/2011 | EP2319151A1 Method and apparatus for fault identification in a power transmission line |
| 05/11/2011 | EP2319150A1 Substation automation wiht redundant protection |
| 05/11/2011 | CN201830504U Light emitting diode (LED) illumination power supply over-voltage or under-voltage protection circuit |
| 05/11/2011 | CN201829943U Short-circuit protection and anti-lightning circuit |
| 05/11/2011 | CN201829942U Simple and practical lightning protection circuit |
| 05/11/2011 | CN201829935U Short-circuit protection circuit for audio power amplifier |
| 05/11/2011 | CN201829934U Overdischarge protection alarm for single storage battery |
| 05/11/2011 | CN201829929U Novel hard trip loop for large-scale thermal power unit MFT (main fuel trip) |
| 05/11/2011 | CN201829927U Electrical equipment load type identification system |
| 05/11/2011 | CN201829925U 漏电保护器 Leakage protection |
| 05/11/2011 | CN201829924U Open-phase leakage circuit breaker |
| 05/11/2011 | CN201829923U Three-phase under-voltage/phase-failure time-delay relay |
| 05/11/2011 | CN201829922U Alternating current and direct current overvoltage detecting and protecting circuit of relay tester |
| 05/11/2011 | CN201829921U Non-peak ultra-low residual pressure signal surge protector |
| 05/11/2011 | CN201829920U Heating device |
| 05/11/2011 | CN201829919U Remote control circuit breaker |
| 05/11/2011 | CN201829424U Intelligent sub circuit breaker with automatic restoring function |
| 05/11/2011 | CN201829423U Intelligent main circuit breaker with automatic restoring function |
| 05/11/2011 | CN102057549A Quarter wave stub surge suppressor with coupled pins |
| 05/11/2011 | CN102056385A Driver with feedback and protective ballast |
| 05/11/2011 | CN102055178A String and system employing direct current electrical generating modules and a number of string protectors |
| 05/11/2011 | CN102055165A Security protection device |
| 05/11/2011 | CN102054632A Split-phase type intelligent low-voltage double-breakpoint integrated electrical appliance with quick electromagnetism repulsive force mechanism |
| 05/11/2011 | CN101562405B Multifunctional high-voltage power supply |
| 05/11/2011 | CN101425353B Non-residual pressure monitor for lightning arrester |
| 05/11/2011 | CN101393249B Combination overvoltage protector test equipment |
| 05/11/2011 | CN101142649B Electric supply circuit, switch actuating device and method for operating said switch actuating device |
| 05/11/2011 | CN101075735B Method and device for lightning arresting switch |
| 05/10/2011 | US7941572 Fault tolerant cell array architecture |
| 05/10/2011 | US7940508 Inherently safe modular control system |
| 05/10/2011 | US7940507 Switching control circuit and self-excited DC-DC converter |
| 05/10/2011 | US7940506 Automated AC line filter and surge suppression apparatus and method |
| 05/10/2011 | US7940505 Low power load switch with protection circuitry |
| 05/10/2011 | US7940503 Power semiconductor arrangement including conditional active clamping |
| 05/10/2011 | US7940502 Backlight unit having protection circuit using center-tap |