Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
04/2003
04/08/2003US6545520 Method and apparatus for electro-static discharge protection
04/03/2003WO2003028185A1 Electric component
04/03/2003DE20301124U1 Device for damping electromagnetic noise signals from lamps or electrical equipment in electronic system, has earth line wound around iron core
04/02/2003CN1407682A Lightning arrester for distribution board
04/02/2003CN1407681A Lightning arrester for distribution board
04/02/2003CN1407621A Electrostatic discharge protection for output of CMDS device
04/02/2003CN1104831C Power supply circuit of microwave oven
04/02/2003CN1104767C Series compensation of electric alternating current machines
04/01/2003US6542346 High-voltage tolerance input buffer and ESD protection circuit
03/2003
03/27/2003WO2003026093A1 Overcurrent and overvoltage protection method and architecture for a tip and ring subscriber line interface circuit
03/27/2003US20030058592 CMOS whole chip low capacitance ESD protection circuit
03/27/2003US20030058591 Electro-static discharge protection for high frequency port on an integrated circuit
03/26/2003EP1296433A2 Circuit arrangement for supplying power to a two-wire sensor
03/26/2003CN2541984Y Electromagnetic wave eliminator of electrical appliances
03/26/2003CN1405940A Over-voltage over-current protection circuit
03/25/2003US6538868 Electrostatic discharge protective circuit
03/25/2003US6538866 Circuit for protecting a load from an overvoltage
03/25/2003US6538864 Protective circuit for an electronic device
03/25/2003US6536985 Energy absorbing system for fixed roadside hazards
03/20/2003US20030053276 Overcurrent and overvoltage protection method and architecture for a tip and ring subscriber line interface circuit
03/20/2003US20030052657 Circuit arrangement for the power supply of a two-wire sensor
03/20/2003DE20300481U1 Distributor for lighting transformer e.g. for toys, has overload protection i.e. as overload fuse element and especially as PTC
03/19/2003EP0995251B1 Solid state overload relay
03/19/2003CN2540675Y Spark transfering device capable of automatic restoring open-circuit protection safety unit
03/19/2003CN1404195A Electrostatic discharge protector circuit
03/19/2003CN1103206C Built-in dental syringe with contact detection circuit and illuminating device
03/18/2003US6535369 Adaptive surge suppressor
03/18/2003CA2148418C Protection circuit and method for telecommunication equipment
03/13/2003WO2003021737A1 An arrangement for esd protection of an integrated circuit
03/13/2003WO2002065606A3 Energy pathway arrangements for energy conditioning
03/13/2003US20030048590 Circuit for esd protection
03/13/2003US20030048588 Output buffer and I/O protection circuit for CMOS technology
03/12/2003EP1291256A2 Method and control system for operating a magnetic valve for pneumatic brake cylinders
03/12/2003EP1290769A1 Overcurrent protection circuit
03/12/2003EP1290768A1 A circuit for the protection and supply of consuming circuits
03/12/2003EP1042820B1 SUPERCONDUCTOR STRUCTURE WITH HIGH-T c? SUPERCONDUCTOR MATERIAL, METHOD FOR PRODUCING SAID STRUCTURE AND CURRENT-LIMITING DEVICE WITH A STRUCTURE OF THIS TYPE
03/12/2003EP1018201B1 Solid-state high voltage crowbar circuit
03/06/2003US20030043523 Effective gate-driven or gate-coupled ESD protection circuit
03/06/2003US20030043519 Over-voltage protection and disconnect circuit apparatus and method
03/06/2003US20030043517 Electro-static discharge protecting circuit
03/06/2003US20030043515 Method and apparatus for control and detection in resistance grounded electrical systems
03/06/2003US20030042499 ESD protection for a CMOS output stage
03/05/2003EP1289016A2 ESD protection for CMOS-output stage
03/05/2003EP1288991A2 Protection circuit for communication devices
03/05/2003EP1287413A1 Power supply with low loss making current limitation
03/05/2003EP1072077B1 Load feeder with interference suppression module
03/05/2003CN2539333Y Active ion switch lightning arrestor
03/04/2003US6529358 Driver protection circuit for preventing damage due to line contact with ground or supply voltage
03/04/2003US6529355 Input protection circuit implementing a voltage limiter
03/04/2003CA2092808C Arrangement for protecting telecommunictions equipment from voltage transients
02/2003
02/27/2003US20030039085 ESD protection circuit for multi-power and mixed-voltage integrated circuit
02/27/2003US20030039084 ESD protection system for high frequency applications
02/26/2003EP1034592B1 Electric power system comprising a pre-loading device and a capacitiv load
02/26/2003CN2538087Y Power overvoltage protective instrument circuit
02/26/2003CN2538086Y Power negative load expansion power line
02/26/2003CN1399387A Start current protection circuit
02/26/2003CN1399386A 静电放电保护电路 Electrostatic discharge protection circuit
02/25/2003US6525917 Power transforming system and method
02/25/2003US6525305 Large current watchdog circuit for a photodetector
02/25/2003US6524684 Resistive current-limiting device with at least one printed conductor covered by an insulating layer by using high Tc superconductive material
02/20/2003WO2003015232A1 Active power/ground esd trigger
02/20/2003WO2002099663A3 Intrinsically safe field bus system
02/20/2003WO2002099605A3 Method and apparatus for modular embedded control system
02/20/2003US20030036299 Electrical connector with shunt for hot mating and unmating
02/20/2003US20030035311 Method and apparatus for active inrush current control for AC to DC converters
02/20/2003US20030035257 Bi-directional EOS/ESD protection device
02/19/2003EP1284526A2 Electrical connector with shunt for hot mating and unmating
02/19/2003EP1284040A1 Integrated current source feedback and current limiting element
02/19/2003EP1108273B1 Explosion-proof plug-in connector
02/19/2003CN2537163Y Lightningproof circuit for AC collecting terminals
02/18/2003US6522516 Polymer fuse and filter apparatus
02/18/2003US6522513 Back-electromotive force protection circuit
02/18/2003US6522511 High speed electrostatic discharge protection circuit
02/18/2003US6522236 Superconductor structure with high Tc superconductor material, process for producing the structure, and current limiter device having such a structure
02/13/2003US20030030072 Device for protecting electronic components
02/12/2003EP1283596A1 Load control system having an overload protection circuit
02/12/2003CN2535960Y Doube-split large leakage-reactance controllable regulating arc suppression coil
02/12/2003CN2535959Y Power source transformer
02/12/2003CN1396662A Low voltage triggered SCR containing Si in insulating layer and protecting circuit for electrostatic discharge
02/11/2003US6519125 Current limiter for a network
02/11/2003US6518731 Devices and methods for protection of rechargeable elements
02/06/2003US20030026054 Active power/ground ESD trigger
02/06/2003US20030025546 Protection circuit
02/05/2003EP1282231A2 Load control system having an overload protection circuit
02/05/2003EP1281227A1 Device protecting against voltage surges
02/05/2003CN1101015C Devie for preventing surge noise in connecting computers and peripherals thereof
02/04/2003US6515337 Input protection circuit connected to projection circuit power source potential line
02/04/2003CA2268203C System interconnection device and method of designing same
01/2003
01/30/2003WO2003009310A2 Surge voltage protector for use in power transmission networks
01/30/2003WO2002045233B1 Energy pathway arrangement
01/30/2003US20030021074 Matrix-type superconducting fault current limiter
01/30/2003US20030020352 Generator for producing high voltages
01/29/2003EP1280259A1 High-voltage Generator
01/29/2003EP1279213A2 Sensitive ground fault detection system for use in compensated electric power distribution networks
01/29/2003CN2533602Y IC safety unit 5 of main distributing frame
01/29/2003CN2533601Y IC safety unit 3 of main distributing frame
01/29/2003CN2533600Y IC safety unit I of main distributing frame
01/28/2003US6512663 Electrostatic protection device and electrostatic protection circuit
01/28/2003US6512662 Single structure all-direction ESD protection for integrated circuits
01/28/2003US6512446 Over-current protection apparatus
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