Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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10/03/2012 | CN102097431B Chip and electro-static discharge (ESD) protection element thereof |
10/03/2012 | CN101924484B Grid-control bridge rectifier with surge current limiter |
10/02/2012 | US8279575 Thermally protected surge suppression device |
10/02/2012 | US8279573 Circuit protection device and system |
10/02/2012 | US8279572 Structure for an on-chip high frequency electro-static discharge device |
10/02/2012 | US8279570 ESD protection for RF circuits |
10/02/2012 | US8279568 Charge pump switch power down protection |
10/02/2012 | US8279566 Multi-voltage electrostatic discharge protection |
09/27/2012 | WO2012126886A1 Series current limiter using a magnetic circuit comprising holes and windows |
09/27/2012 | WO2012126144A1 Method and arrangement for reducing in-rush current of multi-module system |
09/27/2012 | US20120243712 Switch and switch circuit using the same |
09/27/2012 | US20120243136 Surge protection arrangement for electrical circuits |
09/27/2012 | US20120243134 Semiconductor integrated circuit |
09/27/2012 | US20120243133 Electrostatic discharge protection circuit |
09/27/2012 | US20120243132 Undervoltage protection system |
09/27/2012 | US20120243131 Electronic device of preventing poor heat dissipation and having esd protection and protection method for the same |
09/27/2012 | US20120243128 Discrete input signal generation via output short-circuit detection |
09/27/2012 | US20120242297 Power supply |
09/27/2012 | DE102011001509A1 Überspannungsschutzgerät Surge protection device |
09/26/2012 | EP2501436A1 Overvoltage protection for defibrillator |
09/26/2012 | CN202455303U Starting control switch for single-phase AC motor |
09/26/2012 | CN202455254U Switching power supply and lightning surge protection circuit applied same |
09/26/2012 | CN202455063U Surge protection device |
09/26/2012 | CN202455062U Surge protective device |
09/26/2012 | CN202455061U Intelligent comprehensive resonance elimination device |
09/26/2012 | CN202455060U Three-level lightning protection control cabinet |
09/26/2012 | CN202455059U Protection circuit for working-frequency full-bridge circuit of photovoltaic grid-connected inverter |
09/26/2012 | CN202455058U Resonance overvoltage suppression device of primary side neutral point ungrounded power grid |
09/26/2012 | CN202455057U Power supply protecting circuit |
09/26/2012 | CN202455056U Current limiting device for inhibiting short-circuit faults of power system |
09/26/2012 | CN102695312A Lighting device with at least one LED |
09/26/2012 | CN102695030A Lightning-proof load of television signal transmission terminal |
09/26/2012 | CN102694458A Rapid discharge protection circuit of AC-DC-AC converter |
09/26/2012 | CN102694379A Plane voltage protection assembly |
09/26/2012 | CN102694378A Surge protector |
09/26/2012 | CN102694363A Power electronic circuit breaker device |
09/26/2012 | CN102694041A Method for protecting bypass diode of photovoltaic component junction box |
09/26/2012 | CN102693978A Electrostatic discharge protection circuit |
09/26/2012 | CN102693976A Integrated circuit with electrostatic protection capacity |
09/26/2012 | CN102689599A Power source control device and method, and power management system |
09/26/2012 | CN101777785B Uninterrupted power supply (UPS) electricity separating system and electricity separating method based on dynamic environment monitoring |
09/26/2012 | CN101771219B Grouping remote control power socket device and grouping remote control method thereof |
09/26/2012 | CN101632210B Current limit control with current limiit detector |
09/26/2012 | CN101331658B ESD protection for passive integrated devices |
09/26/2012 | CN101236864B Voltage surge protection device with a movable contact comprising selective disconnection means against short-circuits |
09/25/2012 | US8274772 Current detection and limiting method and apparatus |
09/25/2012 | US8274770 Electrostatic discharge protection of semiconductor device |
09/20/2012 | WO2012125716A1 Superconducting fault current limiter system |
09/20/2012 | WO2012125540A1 Superconducting fault current limiter |
09/20/2012 | WO2012125179A1 Input-output esd protection |
09/20/2012 | WO2012122616A1 System and method of streamlining energy efficiency for application in cooling equipment compressors |
09/20/2012 | US20120236450 Esd protection device and method for producing the same |
09/20/2012 | US20120236449 Electrostatic discharge protection circuit for compound semiconductor devices and circuits |
09/20/2012 | US20120236448 Semiconductor integrated circuit |
09/20/2012 | US20120236447 Input-output esd protection |
09/20/2012 | US20120236446 Display unit having anti-emi capability |
09/20/2012 | US20120236445 On-Chip Noise Filter Circuit |
09/20/2012 | US20120236444 Charge pump electrostatic discharge protection |
09/20/2012 | US20120236439 Electrical accumulator units with safe turn-off |
09/20/2012 | DE102011014023A1 Startstrombegrenzungssystem, Verfahren zum Begrenzen eines Startstroms sowie Verwendung eines Startstrombegrenzungssystems Current limit system, method for defining a starting current as well as the use of a current limiter system |
09/20/2012 | DE102011014022A1 Startstrombegrenzungsvorrichtung Starting current limiting device |
09/20/2012 | DE102009057587B4 Verpolungsschutz für Mosfets Reverse polarity protection for Mosfets |
09/20/2012 | DE102006054354B4 Selbstschützende Crowbar Self-Protective Crowbar |
09/19/2012 | CN202444669U Intelligent LED (light emitting diode) streetlamp power controller |
09/19/2012 | CN202444664U LED driving source with unexpected short-circuit output damping function |
09/19/2012 | CN202444559U Video optical transceiver |
09/19/2012 | CN202444420U High insulation voltage resisting isolating power supply |
09/19/2012 | CN202444331U Voltage-sharing device of super capacitor |
09/19/2012 | CN202444259U Novel grounding protection and wire selection apparatus for medium-voltage distribution system |
09/19/2012 | CN202444258U Surge protection device for gigabit networks |
09/19/2012 | CN202444257U Double-grounding video image interference prevention type video signal two-in-one surge protection device |
09/19/2012 | CN202444256U Surge protection device |
09/19/2012 | CN202444255U DIN (deutsche industrie norm) guide rail clamping mounting type modularized two-port power source lightning protector |
09/19/2012 | CN202444254U Air conditioner and discharge circuit of air conditioner bus capacitor |
09/19/2012 | CN202444253U Modulus guiding rail clamping mounted network type two-in-one surge protection device |
09/19/2012 | CN202444252U Novel power protection device |
09/19/2012 | CN202444251U Intelligent low voltage line lightning protection system |
09/19/2012 | CN202444250U Intelligent stray current drainage system |
09/19/2012 | CN202444249U Neutral point DC magnetic biasing inhibiting device of transformer |
09/19/2012 | CN102687216A Fault current limiters (FCL) with the cores saturated by non-superconducting coils |
09/19/2012 | CN102685969A LED (Light-Emitting Diode) drive circuit and short-circuit protection circuit |
09/19/2012 | CN102685967A Light-emitting diode (LED) driving circuit |
09/19/2012 | CN102685960A LED (Light-Emitting Diode) street lamp device additionally provided with lightning arrester |
09/19/2012 | CN102684565A Direct current motor driver |
09/19/2012 | CN102684182A Arc extinction grounding device |
09/19/2012 | CN102684181A Anti-static and lightning-prevention dual protection circuit |
09/19/2012 | CN102684180A Charge pump output protection drive device for NFC (near field communication) emitting device |
09/19/2012 | CN102684179A Hybrid short-circuit failure current limiter |
09/19/2012 | CN102684178A Multi-output circuit using power supply load short-circuit protection circuit |
09/19/2012 | CN102684177A Non-linear power management device for input power protection |
09/19/2012 | CN102684156A Field discharge and overvoltage protective device for large-sized generator rotor |
09/19/2012 | CN102684142A Integrated overdrive and overvoltage protection device |
09/19/2012 | CN101908819B Surge suppression circuit |
09/18/2012 | US8270139 Adjustable arc electrode assembly and method of assembling |
09/18/2012 | US8270135 Transistor half-bridge control |
09/18/2012 | US8270134 Electrical circuit with incendive arc prevention |
09/18/2012 | US8270132 Semiconductor device with a plurality of power supply systems |
09/18/2012 | US8270131 Electrostatic discharge protection element and electrostatic discharge protection chip and method of producing the same |
09/17/2012 | DE202011051561U1 Vorrichtung zur Unterbrechung und/oder Begrenzung eines Gleichstroms A device for interrupting and / or limiting a direct current |
09/13/2012 | WO2012119926A1 Electrical module for limiting the inrush current |