| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 02/18/2009 | CN101371416A Low capacitance transient voltage suppressor |
| 02/18/2009 | CN101369728A Automatic tuning control method of arc suppression coil by compensation susceptance incremental method |
| 02/18/2009 | CN101368998A Route selection method suitable for arc suppression coil earthing electric network |
| 02/18/2009 | CN100463174C Semiconductor integrated circuit device |
| 02/17/2009 | US7492566 Low resistance transient blocking unit |
| 02/17/2009 | US7492565 Bandpass filter electrostatic discharge protection device |
| 02/17/2009 | US7492559 Intelligent life testing methods and apparatus for leakage current protection |
| 02/17/2009 | US7492556 Quench protection circuit for a superconducting magnet |
| 02/12/2009 | WO2009020882A1 Esd protection for mems display panels |
| 02/12/2009 | US20090040677 Device and method of reducing inrush current |
| 02/12/2009 | US20090040671 Power clamp for on-chip ESD protection |
| 02/12/2009 | US20090040670 Diode Chain with a Guard-Band |
| 02/12/2009 | US20090040669 Integrated circuit with device for protection against electrostatic discharges |
| 02/12/2009 | US20090040668 Esd protection circuits for mixed-voltage buffers |
| 02/11/2009 | EP2023330A1 ESD protection for mems display panels |
| 02/11/2009 | EP2023329A1 ESD protection for mems display panels |
| 02/11/2009 | EP0981848B1 Protective circuit |
| 02/11/2009 | CN201194328Y Over-heat protection apparatus for voltage regulating transformer |
| 02/11/2009 | CN201194327Y Leakage detecting protection circuit |
| 02/11/2009 | CN201194290Y Intelligent display electric power plug |
| 02/11/2009 | CN201194289Y Novel leakage protection socket |
| 02/11/2009 | CN101364804A Power-down protection apparatus of analogue switch |
| 02/11/2009 | CN101364780A Method and apparatus for controlling electric motor |
| 02/11/2009 | CN101364731A Electrostatic discharge protecting circuit for USB interface chip |
| 02/11/2009 | CN101364592A Electrostatic discharging protection circuit |
| 02/11/2009 | CN100461577C Fan system and protection method therefor |
| 02/11/2009 | CN100461576C ESD protection circuit and layout thereof |
| 02/10/2009 | US7489492 Abrupt metal-insulator transition device, circuit for removing high-voltage noise using the abrupt metal-insulator transition device, and electrical and/or electronic system comprising the circuit |
| 02/10/2009 | US7489490 Current limiting MOSFET structure for solid state relays |
| 02/10/2009 | US7489488 Integrated circuit providing overvoltage protection for low voltage lines |
| 02/10/2009 | US7489486 Semiconductor device |
| 02/10/2009 | US7489485 Method and equipment for the protection of power systems against geomagnetically induced currents |
| 02/10/2009 | US7489053 Electronic switch system with continuous design |
| 02/05/2009 | WO2009018036A1 Discrete hot swap and overcurrent-limiting circuit |
| 02/05/2009 | US20090035967 Electrical wiring device with a center nightlight and a plurality of safety features |
| 02/05/2009 | US20090034144 On-Chip High Frequency Power Supply Noise Sensor |
| 02/05/2009 | US20090034143 Semiconductor device for surge protection |
| 02/05/2009 | US20090034137 ESD protection for bipolar-CMOS-DMOS integrated circuit devices |
| 02/05/2009 | US20090034136 ESD protection for bipolar-CMOS-DMOS integrated circuit devices |
| 02/05/2009 | DE102007035825A1 Elektrische Einrichtung mit einem Halbleiterbauelement An electrical device comprising a semiconductor device |
| 02/05/2009 | CA2693415A1 Discrete hot swap and overcurrent-limiting circuit |
| 02/04/2009 | CN201191765Y Non-earthing type lightning arrester |
| 02/04/2009 | CN201191757Y Fast low voltage difference current limiting circuit |
| 02/04/2009 | CN201191545Y Switching overvoltage absorption apparatus |
| 02/04/2009 | CN201191061Y Air conditioner electric-controlled plate for implementing energy-conservation in two aspect |
| 02/04/2009 | CN101359895A Motor drive system |
| 02/04/2009 | CN101359894A Maintenance method for motor drive system |
| 02/04/2009 | CN101359880A Power converter |
| 02/04/2009 | CN101359825A Method and aparatus for improved electrostatic discharge protection |
| 02/04/2009 | CN101359824A Electro-static discharge protection circuit |
| 02/04/2009 | CN100459359C Three-phase AC shockproof device for communication equipment |
| 02/04/2009 | CN100459358C Circuit for protecting integrated circuits against electrostatic discharges |
| 02/04/2009 | CN100459357C Voltage limiter |
| 02/04/2009 | CN100459007C Volume-regulating type arc-extinction device |
| 02/04/2009 | CN100458636C Power supply circuit and communications equipment comprising a power supply circuit |
| 02/03/2009 | US7486492 Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal |
| 01/29/2009 | WO2009014765A1 Transient blocking unit having a fab-adjustable threshold current |
| 01/29/2009 | WO2008005463A3 System and method for voltage protection in a powered device |
| 01/29/2009 | US20090027928 Step up converter with overcurrent protection |
| 01/29/2009 | US20090027816 Electronic device having electrostatic discharge function |
| 01/29/2009 | US20090026502 Via antenna fix in deep sub-micron circuit designs |
| 01/29/2009 | DE102007042988A1 Verfahren und Anordnung zur gleichmäßigen Impulsstromaufteilung bei parallel geschalteten, spannungsschaltenden Überspannungsableitern Method and apparatus for uniform pulse current distribution in parallel, voltage switching surge arresters |
| 01/28/2009 | CN201188649Y Whole electric alarm safety unit for disconnection type monolithic integrated circuit of temperature-controlling component |
| 01/28/2009 | CN201188554Y Cascade voltage-equalizing protecting equipment for super capacitor |
| 01/28/2009 | CN201188549Y Apparatus for compensating automobile battery transient power |
| 01/28/2009 | CN201188540Y Lightning strike protector with protecting equipment |
| 01/28/2009 | CN201188539Y Resonance damping device for power distribution network PT |
| 01/28/2009 | CN201188503Y Safety ensurance row |
| 01/28/2009 | CN101355250A Apparatus for preventing thunderbolt, electronic device and method for preparing plane inductive coil |
| 01/28/2009 | CN101355249A Strong thunder buffer |
| 01/28/2009 | CN100456647C Signal transmission circuit |
| 01/28/2009 | CN100456595C Superconducting current limiting device with magnetic field assisted quenching |
| 01/28/2009 | CN100456400C Condenser arrester ball apparatus |
| 01/27/2009 | US7483251 Multiple planar inductive loop surge suppressor |
| 01/27/2009 | US7483250 Drive circuit for switching device |
| 01/27/2009 | US7483249 Overvoltage protective device for DC motor |
| 01/27/2009 | US7483248 Method and apparatus for detecting current changes in integrated circuits |
| 01/27/2009 | US7483247 Multi-stack power supply clamp circuitry for electrostatic discharge protection |
| 01/22/2009 | WO2009010949A2 Device, system and method for charger switch adaptor |
| 01/22/2009 | WO2009010715A1 A superconducting fault current limiter |
| 01/22/2009 | WO2008140497A4 Method and circuit for low-power detection of solder-joint network failures in digital electronic packages |
| 01/22/2009 | US20090021881 Overvoltage protection device with improved leakage-current-interrupting capacity |
| 01/22/2009 | US20090021875 Fault current limiters (fcl) with the cores saturated by superconducting coils |
| 01/22/2009 | US20090021873 Electro static discharge protection in integrated circuits |
| 01/22/2009 | DE102007033427A1 Anordnung mit einem Gehäuse Arrangement with a housing |
| 01/21/2009 | CN201185346Y Lightning-proof device for power supply |
| 01/21/2009 | CN201185336Y Electronic device with leakage current protection |
| 01/21/2009 | CN201185275Y Line connector with sudden-wave-proof protection equipment |
| 01/21/2009 | CN101350522A Method for preventing field operation equipment from thunderbolt and electromagnetic impulse |
| 01/21/2009 | CN101350517A Assembly with a housing |
| 01/21/2009 | CN101350516A Circuit and method for protecting energy storage apparatus |
| 01/21/2009 | CN101350348A Electrostatic discharge circuit and method of dissipating an electrostatic current |
| 01/21/2009 | CN100454707C Sensitive ground fault detection system for use in compensated electric power distribution networks |
| 01/20/2009 | US7480124 Detection of an AC input phase-loss on a multi-phase AC servo drive |
| 01/20/2009 | CA2459402C Light fixture control system |
| 01/15/2009 | WO2009006666A1 Fault current limiter |
| 01/15/2009 | WO2008135019A3 Device for protecting data lines against overvoltages |
| 01/15/2009 | US20090015993 Grounding apparatus of portable electronic devices |
| 01/15/2009 | US20090015974 Esd detection circuit |
| 01/15/2009 | US20090014886 Dynamic random access memory with an electrostatic discharge structure and method for manufacturing the same |