Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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09/24/2008 | CN201122840Y Intelligent neutral point resistance grounding device |
09/24/2008 | CN201122839Y Heat trip gear of electric power lightning protection device |
09/24/2008 | CN201122559Y Contactor equipped with surge restraining unit |
09/24/2008 | CN101273507A System and method for protecting IC components |
09/24/2008 | CN101272089A Electric voltage peak absorption circuit of DC converter power switch pipe |
09/24/2008 | CN101272050A Integrated circuit with electrostatic protection structure |
09/23/2008 | US7428134 Energy pathway arrangements for energy conditioning |
09/23/2008 | US7428133 Protection device of a surge protector |
09/23/2008 | US7428132 Protection device with lockout test |
09/18/2008 | WO2008110350A1 Device for controlling the charging process in a galvanic element |
09/18/2008 | US20080226980 Protection circuit board for secondary battery and secondary battery using the protection circuit board |
09/18/2008 | US20080225455 Overcurrent detection latch circuit |
09/18/2008 | US20080225451 Cascode active shunt gate oxide protect during electrostatic discharge event |
09/18/2008 | US20080225450 Semiconductor integrated circuit |
09/18/2008 | US20080225449 Electrostatic discharge protection component, and electronic component module using the same |
09/18/2008 | US20080225446 Transient reversing voltage detecting circuit |
09/18/2008 | US20080224850 ASI network for explosion-hazard areas |
09/17/2008 | EP1236229B1 Circuit for protection of differential amplifier inputs against electrostatic discharge |
09/17/2008 | CN201118235Y Combined frequency conversion-type electricity saver |
09/17/2008 | CN201118234Y Integrated power saving protector constituted by three types of electricity economizer |
09/17/2008 | CN201118233Y Integrated power saving protector constituted by three types of electricity economizer |
09/17/2008 | CN201118232Y Integrated power saving protector constituted by three types of electricity economizer |
09/17/2008 | CN201118231Y Integrated power saving protector constituted by three types of electricity economizer |
09/17/2008 | CN201118228Y Combination type resistance-capacity protector capable of freely switching |
09/17/2008 | CN201118227Y Active energy cooperation surge protectors |
09/17/2008 | CN201118226Y Transient voltage suppressing for mobile phone keyboard and surge-preventing electric current protecting structure |
09/17/2008 | CN201118225Y Primary current limiting resonance eliminating device |
09/17/2008 | CN201118224Y Electrical power system short circuit fault current-limiting device |
09/17/2008 | CN201118223Y USB interface and its protective circuit |
09/17/2008 | CN201118222Y Chip electrostatic prevention protective circuit |
09/17/2008 | CN201118221Y Chip electrostatic prevention protective circuit |
09/17/2008 | CN201118220Y Electric resistance earthing device |
09/17/2008 | CN201118170Y 20kV overhead insulation-line over-voltage protection apparatus |
09/17/2008 | CN201117658Y Chip electrostatic prevention protective circuit |
09/17/2008 | CN201117483Y Small-sized electronic composite contactor module |
09/17/2008 | CN201117373Y Line insulator lightning protection overvoltage protector |
09/17/2008 | CN101268597A Active inrush current control using a relay for AC to DC converters |
09/17/2008 | CN101267113A Lightning prevention circuit |
09/17/2008 | CN101267112A Sudden wave protection circuit and connector and electronic device using this circuit |
09/17/2008 | CN101267111A DC over-voltage protection circuit |
09/17/2008 | CN101267107A Method for restraining power grid single-phase short circuit current |
09/17/2008 | CN101267098A Quick low voltage difference current limiting circuit |
09/17/2008 | CN101267081A Jack device for traveling |
09/17/2008 | CN100420116C Multiple load protection and control device |
09/17/2008 | CN100420022C 半导体器件 Semiconductor devices |
09/12/2008 | WO2008108770A1 Bipolar dc to ac power converter with dc ground fault interrupt |
09/12/2008 | WO2007016266A3 Low capacitance transient voltage suppressor |
09/11/2008 | US20080218927 High frequency front-end module and duplexer |
09/11/2008 | US20080218921 Control Circuit with Reduced Load for a Bypass Switch |
09/11/2008 | US20080218920 Method and aparatus for improved electrostatic discharge protection |
09/11/2008 | US20080218919 Protection of integrated electronic circuits from electrostatic discharge |
09/11/2008 | US20080218918 Battery Power Management In Over-Discharge Situation |
09/11/2008 | US20080218082 Spark-Discharge Gap |
09/11/2008 | US20080217656 I/o circuit with esd protecting function |
09/11/2008 | US20080216745 Arc Suppression |
09/11/2008 | DE202007018507U1 Überspannungsschutzeinrichtung für den Einsatz in Gleichstromnetzen, insbesondere für Photovoltaik-Anlagen Surge protection device for use in DC systems, in particular for photovoltaic systems |
09/11/2008 | DE102007012296A1 Trennschalteinrichtung sowie Verfahren zur Herstellung einer Trennschalteinrichtung Disconnecting switch device and method of manufacturing a circuit breaking device |
09/10/2008 | EP1966866A2 Circuit arrangement featuring explosion protection |
09/10/2008 | EP1966864A2 Audio/video media distribution in a power center |
09/10/2008 | CN201113813Y Power supply converter |
09/10/2008 | CN201113789Y DC-DC converter |
09/10/2008 | CN201113438Y Integrated power save protector constituted by four types of electricity economizer |
09/10/2008 | CN201113437Y Integrated power save protector constituted by four types of electricity economizer |
09/10/2008 | CN201113436Y Integrated power save protector constituted by four types of electricity economizer |
09/10/2008 | CN201113435Y Integrated power save protector constituted by four types of electricity economizer |
09/10/2008 | CN201113433Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113432Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113431Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113430Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113429Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113428Y Integrated power save protector constituted by three types of electricity economizer |
09/10/2008 | CN201113427Y Passive rapid damping resistance apparatus |
09/10/2008 | CN201113426Y Insertion isolated household electrical appliance protector |
09/10/2008 | CN201113425Y Electric surge protective system |
09/10/2008 | CN201113424Y Thunderbolt preventing circuit for on site industrial instruments |
09/10/2008 | CN201113423Y Three phase energy supply protector for surge |
09/10/2008 | CN201113422Y Electrical equipment protecting device |
09/10/2008 | CN201113421Y IC card interface over voltage attack preventing modular circuit |
09/10/2008 | CN201113420Y Energy supply surge protector |
09/10/2008 | CN201113419Y Ultra-high voltage porcelain bushing type lightning arrestor |
09/10/2008 | CN201113418Y Protector for eliminating leveling power DC bus over voltage |
09/10/2008 | CN201113417Y Reset protective circuit |
09/10/2008 | CN201113416Y LED electrostatic prevention protective circuit |
09/10/2008 | CN201113415Y Control circuit for eliminating low frequency electromagnetic wave |
09/10/2008 | CN201112986Y Intelligent computer socket |
09/10/2008 | CN101263439A Improved inrush current limiter device and power factor control circuit having the same |
09/10/2008 | CN101261927A System for decharging a wafer, electrostatic adsorbing device and integrated circuit manufacture method |
09/09/2008 | US7423860 Multi-functional energy conditioner |
09/09/2008 | US7423859 System for protecting computer equipment from lightning voltage surges |
09/09/2008 | US7423857 Current detecting circuit and actuator driving apparatus |
09/09/2008 | US7423855 Active protection circuit arrangement |
09/09/2008 | US7423854 Interruption circuit with improved shield |
09/04/2008 | US20080212250 Circuit for preventing surge, connector and electronic apparatus thereof |
09/04/2008 | US20080212245 Electrostatic discharge device and organic electro-luminescence display device having the same |
09/04/2008 | DE102007006617B3 Overvoltage protection element has housing, with two overvoltage-limiting component arranged in housing, where control rod is shifted to distance, even if slide valve is passed from position to another position |
09/03/2008 | EP1965482A1 ASI network for areas subject to explosive risk |
09/03/2008 | CN101258657A Method and apparatus for overcurrent protection in dc-dc power converters |
09/03/2008 | CN101257259A Hand-hold electric bottle opener special electric power |
09/03/2008 | CN101257212A Overvoltage protection for a coaxial connector |
09/03/2008 | CN101257211A Circuit for preventing powered on moment impact in frequency converting air conditioner |