Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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11/05/2009 | US20090273868 Transient voltage suppressor and method |
11/05/2009 | US20090273867 Multi-voltage electrostatic discharge protection |
11/05/2009 | US20090273064 Semiconductor device and inspection method therefor |
11/05/2009 | DE102009015962A1 Einfügen eines elektrostatischen Schutzes in Miniaturverbinder Insert an electrostatic protection in miniature connectors |
11/04/2009 | CN201341114Y Explosion suppression type four-quadrant variable frequency speed regulator |
11/04/2009 | CN201341092Y Multi-purpose air conditioner electricity saver |
11/04/2009 | CN201340953Y Antistatic adapter card of USB |
11/03/2009 | US7612974 Backlight unit having protection circuit using induced voltage detection |
11/03/2009 | US7612972 Electrical contractor current sensing system and method |
11/03/2009 | US7612550 Dropper type regulator |
11/03/2009 | CA2396916C Electrical connector with shunt for hot mating and unmating |
10/29/2009 | WO2009132350A1 Surge protection systems and methods for outside plant ethernet |
10/29/2009 | WO2009132170A1 Input protection circuit |
10/29/2009 | WO2009131997A2 Low-voltage cmos space-efficient 15 kv esd protection for common-mode high-voltage receivers |
10/29/2009 | US20090268361 Transient voltage suppressor (TVS) with improved clamping voltage |
10/29/2009 | US20090268360 Protection circuit |
10/29/2009 | US20090268359 Electrostatic discharge power clamp with improved electrical overstress robustness |
10/29/2009 | US20090268358 Method and apparatus for switched electrostatic discharge protection |
10/29/2009 | US20090268357 Hybrid ESD Clamp |
10/29/2009 | US20090268355 Safety output device for use in a power converter and power converter provided with the same |
10/29/2009 | US20090267411 Regulator |
10/29/2009 | US20090267154 Mos comprising substrate potential elevating circuitry for esd protection |
10/29/2009 | CA2722362A1 Input protection circuit |
10/28/2009 | EP2112737A2 Circuit for protecting at least one direct current network with direct current loads against overvoltage |
10/28/2009 | CN101567789A Network communication device with electrostatic protection function |
10/28/2009 | CN101567622A Power adapter and protective circuit thereof |
10/28/2009 | CN101567557A Power clamping static protection circuit |
10/28/2009 | CN101567510A Novel electric leakage protection socket |
10/28/2009 | CN101566283A Concentrative-driving combined LED light fitting |
10/28/2009 | CN100555813C Dynamo for bicycle and illuminator with said dynamo for bicycle |
10/27/2009 | US7609501 Manufacture including shield structure |
10/27/2009 | US7609500 Universal energy conditioning interposer with circuit architecture |
10/27/2009 | US7609499 Active current limiting circuit |
10/27/2009 | US7609497 Residual-current-operated protective device |
10/27/2009 | US7609496 Non-feedback type load current controller |
10/27/2009 | US7609493 ESD protection circuit and method for lowering capacitance of the ESD protection circuit |
10/27/2009 | US7609492 Ground fault interrupts for solid state power controllers |
10/27/2009 | US7609141 Flexible circuit having overvoltage protection |
10/27/2009 | CA2356983C Electrical power transmission system using superconductors |
10/22/2009 | WO2009128942A1 Current limiting surge protection device |
10/22/2009 | US20090264294 Superconducting current limiter device of the resistive type having a holding element |
10/22/2009 | US20090262478 Electricity delivery system |
10/22/2009 | US20090262477 Short-circuit current limiter |
10/22/2009 | US20090262476 Circuit configurations to reduce snapback of a transient voltage suppressor |
10/22/2009 | US20090262475 Method and system for mitigating risk of electrostatic discharge for a system on chip (soc) |
10/22/2009 | US20090262474 Low-voltage cmos space-efficient 15 kv esd protection for common-mode high-voltage receivers |
10/22/2009 | US20090262473 Self-protecting crowbar |
10/22/2009 | US20090262471 Arc Fault Circuit Interrupter (AFCI) Support |
10/22/2009 | US20090262470 GFCI that cannot be reset until wired correctly on line side and power is applied |
10/22/2009 | US20090262469 Circuit for protecting a dc network with dc loads against overvoltage |
10/22/2009 | DE102008017927A1 Aktive Sternpunktbehandlung Active Neutral Point |
10/21/2009 | EP2110920A1 Devices and methods for protection of rechargeable elements |
10/21/2009 | CN201332523Y LED step-down drive circuit absorbing surge |
10/21/2009 | CN201332294Y Vehicular large-power energy-saving voltage regulator |
10/21/2009 | CN201332265Y Safety barrier |
10/21/2009 | CN201332098Y ESD protecting circuit of depletion type pHEMT chips |
10/21/2009 | CN101562336A Surge protective device |
10/21/2009 | CN101562335A Private triple wave trapper |
10/21/2009 | CN101562334A Power supply control circuit for electro-static discharge (ESD) protection |
10/21/2009 | CN101562187A Silicon-on-insulator (SOI) circuit ESD global protecting structure |
10/21/2009 | CN100553065C Online monitoring and adjustment and control method for single phase earthing compensation status of arc-extinction coil system |
10/21/2009 | CN100553064C Decoupling device used for steel pipe protection project |
10/20/2009 | US7606016 Power amplifier protection |
10/20/2009 | US7606015 Power semiconductor device architecture for output transistor protection |
10/15/2009 | WO2009126669A2 Quarter wave stub surge suppressor with coupled pins |
10/15/2009 | WO2009126241A1 Technique for combining in-rush current limiting and short circuit current limiting |
10/15/2009 | WO2009126238A1 Hot swap controller with zero loaded charge pump |
10/15/2009 | WO2009124791A1 Active neutral point treatment for compensating ground-fault residual current and biasing voltage |
10/15/2009 | US20090257166 Transient Voltage Protection Device, Material, and Manufacturing Methods |
10/15/2009 | US20090257156 Method of setting a ground fault trip function for a trip unit and a trip unit having a defined trip function for ground fault protection |
10/15/2009 | DE112004000913B4 Telekom-Stromkreisschutzeinrichtung Telecom circuit protection device |
10/14/2009 | CN201328145Y 瞬态干扰抑制器 Transient Suppressor |
10/14/2009 | CN201328075Y Switch power supply |
10/14/2009 | CN201328005Y Power grid peak voltage absorbing device |
10/14/2009 | CN201328004Y Centralized combined lightning protection device for video monitoring system |
10/14/2009 | CN101557104A Power surging protection device |
10/14/2009 | CN101557103A Transient voltage suppresser diode and manufacturing method thereof |
10/14/2009 | CN100550566C Over voltage protector |
10/13/2009 | US7602596 Various methods and apparatuses for a surge protection scheme |
10/08/2009 | WO2009122124A1 A superconducting fault current limiter |
10/08/2009 | WO2009121799A1 Protection device |
10/08/2009 | WO2009121770A1 Protection device |
10/08/2009 | WO2009121143A1 A fault current limiter |
10/08/2009 | US20090251838 Safety device for a semiconductor switch |
10/08/2009 | US20090251834 Semiconductor device, display device, and electronic apparatus |
10/08/2009 | US20090251833 Electrostatic discharge protection device for high speed transmission lines |
10/08/2009 | US20090251831 Motor drive device |
10/08/2009 | DE102008045356A1 Short circuit current limiting device for three-phase system, has control device controlling interruption device and/or another interruption device such that former device or latter device forms neutral point of electrical equipment |
10/08/2009 | DE10146947C5 Elektrisches Bauelement Electrical component |
10/08/2009 | CA2705347A1 A fault current limiter |
10/07/2009 | EP2106630A2 Dc high power distribution assembly |
10/07/2009 | CN201323595Y Self-recovery type protective RS485 communication signal repeater |
10/07/2009 | CN201323590Y Protective device of data channel |
10/07/2009 | CN201323531Y 6KV high-voltage transducer directly composed of three-level H-bridge power unit module |
10/07/2009 | CN201323449Y Integrated device for over-voltage limit in electric power transmission and distribution system |
10/07/2009 | CN201323448Y Overvoltage protective device for current transformer secondary side |
10/07/2009 | CN201323447Y Voltage and current surge protection circuit for electromagnetic oven |
10/07/2009 | CN201323446Y Static-free handheld mobile device with soft USB function |
10/07/2009 | CN101552466A An arc-suppression coil grounding device for medium voltage network |
10/07/2009 | CN101552465A Transient voltage suppressor and methods |