| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 01/12/2011 | CN201708541U Overvoltage protector for high voltage-resistance test |
| 01/12/2011 | CN201708540U Multifunctional lightening protector |
| 01/12/2011 | CN201708539U Lightning stroke surge energy adapter |
| 01/12/2011 | CN201708538U Earth leakage projection device for high frequency interference resistance of home appliances during starting |
| 01/12/2011 | CN201708537U Straight-through protective circuit for bridge arm of converter |
| 01/12/2011 | CN201708536U PD power receiving equipment interface protocol circuit formed by discrete device |
| 01/12/2011 | CN201708517U RS-485 communication interface protective circuit |
| 01/12/2011 | CN201707385U Lightning stroke display of lightning rods |
| 01/12/2011 | CN101944861A Solar power supply device for optical fiber sensing system |
| 01/12/2011 | CN101944739A Digital arc suppression coil structure according with IEC (International Electrotechnical Commission) 61850 standard |
| 01/12/2011 | CN101944738A Lightning protection method by grounding nearest point of signal feeder port |
| 01/12/2011 | CN101944737A Novel surge protector |
| 01/12/2011 | CN101944736A Novel surge protector |
| 01/12/2011 | CN101944735A Novel surge protector |
| 01/12/2011 | CN101944734A Novel surge protector |
| 01/12/2011 | CN101944733A Novel surge protector |
| 01/12/2011 | CN101944732A Novel surge protector |
| 01/12/2011 | CN101944731A Novel surge protector |
| 01/12/2011 | CN101944730A Novel surge protector |
| 01/12/2011 | CN101944729A Surge protector with detection device |
| 01/12/2011 | CN101944728A Surge protective device |
| 01/12/2011 | CN101944727A Surge protector with detection device |
| 01/12/2011 | CN101944726A Surge protector |
| 01/12/2011 | CN101944725A Surge protective device |
| 01/12/2011 | CN101944724A Surge protector |
| 01/12/2011 | CN101944715A Load short-circuit protection circuit |
| 01/12/2011 | CN101521374B Short-circuit current limiting device of magnetic saturation reactor |
| 01/12/2011 | CN101303387B Direct current injection type route selecting positioning system and method thereof |
| 01/12/2011 | CN101153883B Method for data access of surge protector and monitoring system of surge protector |
| 01/11/2011 | US7869180 Spark gap apparatus and method for electrostatic discharge protection |
| 01/11/2011 | US7869175 Device for protecting semiconductor IC |
| 01/11/2011 | US7869174 Semiconductor device with a plurality of power supply systems |
| 01/11/2011 | US7869168 Power cord with GFCI device and remote test/reset unit for an electrical appliance |
| 01/06/2011 | US20110002072 Input-output interface circuit, integrated circuit device and electronic apparatus |
| 01/06/2011 | US20110002069 Electric circuit |
| 01/06/2011 | US20110001459 Circuit arrangement for controlling an inductive load |
| 01/05/2011 | EP2270946A1 Low-current input buffer |
| 01/05/2011 | EP1042860B1 Controlled rectifier bridge with over-voltage protection |
| 01/05/2011 | DE102009027387A1 Vorrichtung und Verfahren zum Absichern einer elektrischen Leitung mit einem steuerbaren Schaltelement Apparatus and method for protecting an electrical line with a controllable switching element |
| 01/05/2011 | DE102007027081B4 Überspannungsschutz-Vorrichtung für einen Wechselrichter eines Windenergie-Konverters Surge protection device for an inverter of a wind energy converter |
| 01/05/2011 | CN201700047U Led灯驱动电路 Led lamp drive circuit |
| 01/05/2011 | CN201700038U Voltage stabilizing and lamp-lighting unit of LED annunciator |
| 01/05/2011 | CN201699411U Inverse plugging prevention surge protector |
| 01/05/2011 | CN201699408U High-creepage multifunctional signal lightning arrester |
| 01/05/2011 | CN201699407U Two-stage lightening protection device of multiple-branch electric bridge |
| 01/05/2011 | CN201699406U Yu-type high-protection silicon-controlled control circuit |
| 01/05/2011 | CN201699405U Transient strong electromagnetic pulse protection circuit of display interface of computer |
| 01/05/2011 | CN201699404U Electrostatic discharge (ESD) protective circuit of high-definition multimedia interface (HDMI) |
| 01/05/2011 | CN201699392U Electrical leakage protector for pressing machine |
| 01/05/2011 | CN201699386U Explosion-proof mechanism of surge protection element |
| 01/05/2011 | CN201699254U Protective socket for lightning-protection and overvoltage-protection |
| 01/05/2011 | CN201697686U Liquid level transducing module |
| 01/05/2011 | CN101939890A Transient blocking unit using normally-off device to detect current trip threshold |
| 01/05/2011 | CN101938121A Moisture-proof high-tightness surge protective device |
| 01/05/2011 | CN101938120A Production method of moisture-proof high-tightness surge protective device |
| 01/05/2011 | CN101938119A Transient voltage suppressor (TVS) with improved clamping voltage |
| 01/05/2011 | CN101938118A Electrostatic discharge protection circuit with multi-power area integrated circuit |
| 01/05/2011 | CN101505093B Multipath output electrical power suitable for space environment |
| 01/04/2011 | US7864498 Power amplifier protection |
| 01/04/2011 | US7864495 Excess voltage protection circuit, method of protecting a circuit from excess voltage, and semiconductor apparatus having the excess voltage protection circuit |
| 01/04/2011 | US7864494 Methodology to guard ESD protection circuits against precharge effects |
| 01/04/2011 | US7864493 Electric circuit with protection against overvoltages |
| 12/30/2010 | US20100328832 Electrical Composite Element |
| 12/30/2010 | US20100328827 Electrostatic discharge (esd) protection circuits, integrated circuits, systems, and operating methods thereof |
| 12/30/2010 | US20100328826 Field Effect Resistor for ESD Protection |
| 12/30/2010 | US20100328825 System and method for detecting a fault condition |
| 12/29/2010 | WO2010151583A2 Technique for limiting transmission of fault current |
| 12/29/2010 | WO2010151393A1 Method and apparatus for intrinsically safe operation of a communication device |
| 12/29/2010 | WO2010150488A1 Power supply protection circuit and motor drive device provided with same |
| 12/29/2010 | WO2010149629A1 Low-current input buffer |
| 12/29/2010 | WO2010149217A1 Method for protecting transformers, and a transformer |
| 12/29/2010 | WO2010096375A3 Radio frequency (rf) power limiter and associated methods |
| 12/29/2010 | EP2266176A1 Monitoring device |
| 12/29/2010 | CN201690515U Antenna current foldback circuit of ground digital television set-up box |
| 12/29/2010 | CN201690383U Intelligent solar cell panel junction device |
| 12/29/2010 | CN201690381U Solar intelligent flow concentration box |
| 12/29/2010 | CN201690232U Surge protector |
| 12/29/2010 | CN201690231U Nonlinear neutral point ground resistor |
| 12/29/2010 | CN201690230U Open circuit type security unit |
| 12/29/2010 | CN201690229U Protecting device capable of improving application reliability of Insulated Gate Bipolar Translator (IGBT) |
| 12/29/2010 | CN201690228U Lightning protection system of mobile base station |
| 12/29/2010 | CN201690216U Electric-connection thermal trip operation display device and electronic device and big-discharge-current surge protection device |
| 12/29/2010 | CN101933218A Method for operating a dc-dc converter |
| 12/29/2010 | CN101932158A Led circuit |
| 12/29/2010 | CN101932157A LED constant-current driven chip input circuit |
| 12/29/2010 | CN101931330A Electronic servo transformer |
| 12/29/2010 | CN101931256A Charger of uninterrupted power supply and uninterrupted power supply using same |
| 12/29/2010 | CN101931227A Combined surge protector |
| 12/29/2010 | CN101931226A Lightning protection device with monitoring point |
| 12/29/2010 | CN101931225A Combined type surge protector for end equipment |
| 12/29/2010 | CN101931224A Surge protector for end equipment |
| 12/29/2010 | CN101931223A Intelligent monitor-type surge protection device |
| 12/29/2010 | CN101931222A Backup protection device of intelligent monitoring type surge protector |
| 12/29/2010 | CN101931221A Surge protector with breaker |
| 12/29/2010 | CN101931220A Transient blocking unit having enhancement mode device in primary current path |
| 12/29/2010 | CN101931206A Over-current protection method |
| 12/29/2010 | CN101930975A Optimized configurations to integrate steering diodes in low capacitance transient voltage suppressor (tvs) |
| 12/29/2010 | CN101527413B Multifunctional power supply jack panel |
| 12/29/2010 | CN101453117B Opening surge current control device suitable for spacecraft power supply and distribution system |
| 12/29/2010 | CN101295843B Power socket device |