| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 01/16/2013 | CN202678958U An overvoltage protecting circuit capable of maintaining states |
| 01/16/2013 | CN202678957U A six-branch overvoltage limiter |
| 01/16/2013 | CN202678956U A six-branch overvoltage limiter |
| 01/16/2013 | CN202678955U Device preventing power supply from being restarted during a lightning stroke |
| 01/16/2013 | CN202678954U Ultrahigh frequency broadband microwave radio frequency lightning protection device |
| 01/16/2013 | CN202678953U Surge protector capable of recording lightning stroke current strength and occurrence time |
| 01/16/2013 | CN202678952U Transformer neutral point DC current suppression device adopting series capacitor method |
| 01/16/2013 | CN202678942U Overvoltage protection capacitor apparatus |
| 01/16/2013 | CN202678934U De-excitation and overvoltage protection device of silicon controlled rectifier (SCR) rectification excitation system |
| 01/16/2013 | CN202678928U Device for arc extinction, resonance elimination, wire selection and overvoltage protection |
| 01/16/2013 | CN202678082U Electronic transformer collector with overcurrent and overvoltage prevention function |
| 01/16/2013 | CN102884697A Overvoltage protection circuit for an integrated circuit |
| 01/16/2013 | CN102884696A Improved surge protection |
| 01/16/2013 | CN102884695A 变速驱动器 Variable speed drives |
| 01/16/2013 | CN102882453A Over-voltage protection device and method of synchronous generator rotor |
| 01/16/2013 | CN102882238A 不断电电源供应器 Uninterruptible power supply |
| 01/16/2013 | CN102882202A Novel lightning protection device |
| 01/16/2013 | CN102882201A Lightning protection method based on different grounding modes of neutral points of 10kV distribution network |
| 01/16/2013 | CN102882200A Bridge type fault current limiter with current balancing effect |
| 01/16/2013 | CN102882199A Short-trouble current limiter for high-speed self-turn-off device |
| 01/16/2013 | CN102882198A Rc triggered ESD protection device |
| 01/16/2013 | CN101820710B Open-circuit protection circuit |
| 01/16/2013 | CN101783506B Detection and current-limiting protection circuit |
| 01/15/2013 | US8355229 Semiconductor device with an inductor |
| 01/15/2013 | US8355228 Semiconductor integrated circuit having protection circuit capable of protecting against ESD and EOS |
| 01/15/2013 | US8355227 Electrostatic discharge circuitry with damping resistor |
| 01/15/2013 | US8355225 Apparatus and method for protecting overvoltage of high voltage inverter |
| 01/15/2013 | US8354722 SCR/MOS clamp for ESD protection of integrated circuits |
| 01/10/2013 | WO2012093177A3 Semiconductor device arrangement with a first semiconductor device and with a plurality of second semi conductor devices |
| 01/10/2013 | US20130010394 Multi-voltage electrostatic discharge protection |
| 01/09/2013 | EP2544323A1 Surge current suppressing circuit |
| 01/09/2013 | CN202663287U Fast discharging protective circuit of direct-current capacitor |
| 01/09/2013 | CN202663165U Adapting connection device used during charging of intelligent vehicle-mounted terminal |
| 01/09/2013 | CN202663160U Charger for intelligent vehicle-mounted terminal |
| 01/09/2013 | CN202663138U Battery-protecting circuit |
| 01/09/2013 | CN202663124U Compensated type startup disk for 3KV1100USRT (Universal Synchronous Receiver Transmitter) chiller |
| 01/09/2013 | CN202663109U Composite grounding device controller for neutral point of power network |
| 01/09/2013 | CN202663108U Over-voltage protector for rotor of large-capacity wound type high-voltage motor |
| 01/09/2013 | CN202663107U Voltage amplitude limiting system of antenna signal in radio frequency identification |
| 01/09/2013 | CN202663106U Open-circuit prevention protective circuit for end screen grounding |
| 01/09/2013 | CN202663105U High voltage and ultrahigh voltage lightning protection system |
| 01/09/2013 | CN202663104U Short-circuit current limit device |
| 01/09/2013 | CN102868153A Three-phase short-circuit failure restrictor based on IGBT (Insulated Gate Bipolar Translator) |
| 01/09/2013 | CN102868144A Ground fault protecting circuit of photovoltaic inverter |
| 01/09/2013 | CN101877583B Buffer device and static discharge protection circuit |
| 01/09/2013 | CN101765952B Method and arrangement for uniform pulsed current splitting in the case of parallel-connected, voltage-switching surge arresters |
| 01/09/2013 | CN101540503B Esd protection circuit and method thereof |
| 01/09/2013 | CN101529685B Universal termination system for power tools |
| 01/08/2013 | US8351176 Intrinsically safe DSL circuit |
| 01/08/2013 | US8351173 Power supply circuit |
| 01/08/2013 | US8351170 Impedance compensated electrostatic discharge circuit for protection of high-speed interfaces and method of using the same |
| 01/08/2013 | US8351167 Fault current limiters (FCL) with the cores saturated by superconducting coils |
| 01/08/2013 | US8350841 ESD protection circuit and display apparatus using the same |
| 01/03/2013 | WO2013002016A1 Power conversion device |
| 01/03/2013 | WO2013000361A1 Overvoltage protection module for dc circuit |
| 01/03/2013 | US20130003236 Power supply circuit |
| 01/03/2013 | US20130003235 Surge current suppressing circuit |
| 01/03/2013 | US20130003234 Systems and methods for grounding power line sections to clear faults |
| 01/03/2013 | US20130003233 Arc fault protection circuit and method |
| 01/03/2013 | US20130003230 Power supply system for a display panel |
| 01/03/2013 | DE112010004351T5 Elektrischer Schaltkreis mit Überspannungsschutz-Überwachungseinrichtung Electrical circuit with surge protection monitoring device |
| 01/03/2013 | DE102011078551A1 Feed overload protection device for connecting feed device to electric load circuit in e.g. multi-family house, has detection unit to determine magnitude of current and reduce current flow in line when exceeding threshold value |
| 01/03/2013 | DE102011078304A1 Method for reducing leakage current between rectifier and protective conductor of network, involves superimposing rectified alternating current (AC) with balancing current, such that expected harmonic is partially extinguished |
| 01/02/2013 | CN202651781U Neutral point integrated grounding complete device |
| 01/02/2013 | CN202651780U Adaptive Ethernet power source-signal combined lightning arrester |
| 01/02/2013 | CN202651779U Voltage limiter for protection of high voltage AC series-connection compensation capacitor group |
| 01/02/2013 | CN202651778U ESD protection for preventing charge coupling |
| 01/02/2013 | CN202649862U Over-voltage and under-voltage protection module |
| 01/02/2013 | CN202648805U Fault current limiter and MOV wireless temperature measuring device applied to fault current limiter |
| 01/02/2013 | CN102857718A Tuner and television |
| 01/02/2013 | CN102857085A Electronic device |
| 01/02/2013 | CN102856893A Dynamic active clamping circuit and electronic equipment |
| 01/02/2013 | CN102856892A Power supply |
| 01/02/2013 | CN102856318A Uni-directional transient voltage suppressor |
| 01/02/2013 | CN101950956B Lightning-proof electric control device of photovoltaic power generation system |
| 01/02/2013 | CN101626144B Discharge gap device and power supply device |
| 01/02/2013 | CN101277008B Arc flash elimination apparatus and method |
| 01/01/2013 | US8345398 Integrated variable output power supply protection circuit |
| 01/01/2013 | US8345395 Electrostatic discharge protection circuit having a reduced size and enhanced discharge |
| 01/01/2013 | US8345394 ESD protection circuit for a switching power converter |
| 01/01/2013 | US8345392 Quench energy dissipation for superconducting magnets |
| 01/01/2013 | US8345391 DC/DC converter overcurrent protection |
| 12/27/2012 | WO2012177425A1 Intrinsically safe portable radio architecture |
| 12/27/2012 | US20120327547 Surge Protection |
| 12/27/2012 | US20120327540 Base station radio frequency system and method for protecting radio frequency power amplifier |
| 12/27/2012 | US20120327538 Superconducting fault current limiter for suppressing bus voltage drop in electric power system |
| 12/27/2012 | US20120326206 Devices with zener triggered esd protection |
| 12/27/2012 | DE10241431B4 Überspannungsschutzsystem für eine koaxiale Übertragungsleitung Overvoltage protection system for a coaxial transmission line |
| 12/27/2012 | DE102011110252A1 Zustandskontroll- oder Diagnosesystem Zustandskontroll- or diagnostic system |
| 12/27/2012 | CA2838734A1 Intrinsically safe portable radio architecture |
| 12/26/2012 | EP2538442A1 Galvanic Isolation Device And Method |
| 12/26/2012 | EP2537219A1 Surge-limiting device for direct current networks |
| 12/26/2012 | CN202634870U High-frequency high-voltage X-ray defect detector |
| 12/26/2012 | CN202634789U LED driving current foldback circuit |
| 12/26/2012 | CN202634307U Rectifier power supply and device with inductive load |
| 12/26/2012 | CN202633937U Explosion-proof full-phase double-enclosure composite overvoltage protector |
| 12/26/2012 | CN202633936U Overcurrent protector for suppressing voltage in high-frequency interface of electronic label |
| 12/26/2012 | CN202633935U Overcurrent protector for medium-high frequency interface of electronic tag |
| 12/26/2012 | CN202633934U Power supply cabinet for intelligent transformer |
| 12/26/2012 | CN202633933U Surge protector circuit of low-voltage power supply |