Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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06/09/2004 | CN2620412Y External series gap lightning arrestor for line |
06/09/2004 | CN2620411Y Overvoltage protecting unit |
06/09/2004 | CN1153324C 辅助电源 Auxiliary power |
06/08/2004 | US6747861 Electrostatic discharge protection for a mixed-voltage device using a stacked-transistor-triggered silicon controlled rectifier |
06/08/2004 | US6747501 Dual-triggered electrostatic discharge protection circuit |
06/03/2004 | WO2004032350A3 Circuit arrangement for limiting an overvoltage |
06/03/2004 | US20040105202 Electrostatic discharge protection device and method using depletion switch |
06/03/2004 | US20040105201 Scheme for eliminating the channel unexpected turn-on during ESD zapping |
06/03/2004 | US20040104436 Diode coupled for providing bias signal; cathode coupled to pad and anode to substrate; transistor with drain terminal; electrostatic discharges; metal oxide field semiconductor field effect transistors |
06/03/2004 | DE10255012A1 Current peaks limiting circuit for capacitive and inductive load components e.g. of firing and heating installations, has bypass switch connected in parallel with current limiting device |
06/02/2004 | EP1423898A1 An arrangement for esd protection of an integrated circuit |
06/02/2004 | EP1423897A2 Frequency selective transient voltage protector |
06/02/2004 | CN2619442Y Anti-lightning high frequency head |
06/02/2004 | CN2619393Y Power lightning protector |
06/02/2004 | CN1501757A Electrostatic protection circuit using grid coupling metal-oxide half field effect transistor |
06/02/2004 | CN1501562A Circuit for implementing online AC input high-voltage protection |
06/01/2004 | US6744613 System and method for filtering multiple adverse characteristics from a power supply source |
06/01/2004 | US6744612 Inrush current protection circuit |
06/01/2004 | US6744611 Over-voltage crowbar for lightning surge and ESD protection |
06/01/2004 | US6743984 Electrical power transmission system using superconductors |
05/27/2004 | WO2004045038A1 Integrated inrush current limiter circuit and method |
05/27/2004 | WO2004045037A1 Integrated inrush current limiter circuit and method |
05/27/2004 | US20040100216 Current limitation process of brush and brushless DC motors during severe voltage changes |
05/27/2004 | DE4434819C5 Vorrichtung zur Strombegrenzung A device for current limitation |
05/27/2004 | DE10247308B3 Protection method for dual voltage network e.g. in automobile, limiting voltage in lower voltage plane upon unwanted connection with higher voltage plane |
05/25/2004 | CA2204212C Load actuation circuit with a surge protecting function |
05/21/2004 | WO2004042762A1 Device for protection against voltage surges with mobile electrode |
05/20/2004 | US20040095815 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods |
05/20/2004 | US20040095702 Surge protection circuit |
05/20/2004 | US20040095697 Electrostatic discharge protection with input impedance |
05/19/2004 | DE10249859A1 Schaltungsanordnung zum ESD- und Latch-Up-Schutz für integrierte Schaltungen Circuitry for ESD and latch-up protection for integrated circuits |
05/19/2004 | DE10059142B4 Strombegrenzungsapparat Current limiting apparatus |
05/19/2004 | CN1498449A Offset pathway arrangements for energy conditioning |
05/18/2004 | US6738242 ESD-isolation circuit driving gate of bus-switch transistor during ESD pulse between two I/O pins |
05/18/2004 | US6738239 Active snubber circuit for electrical rotary actuator |
05/18/2004 | US6737595 Unitary seat switch assembly |
05/13/2004 | US20040090730 Active elecrostatic discharge event prediction and countermeasure using charge proximity sensing |
05/13/2004 | US20040090727 Technique for fault isolation and transient load isolation for multiple electrical loads connected to a common electrical power source |
05/13/2004 | US20040090726 Integrated inrush current limiter circuit and method |
05/12/2004 | CN2615943Y Tight assembling piezo-resistive overvoltage protector |
05/12/2004 | CN2615851Y Isolated thermal release protection surge protector |
05/12/2004 | CN1149736C Electronic circuit with wide dynamic range of on/off delay time |
05/12/2004 | CN1149725C Leakage current reduction circuit and power supply using the same circuit |
05/11/2004 | US6735098 Inrush current limiting circuit, power source device and power conversion device |
05/11/2004 | US6735064 Inrush current suppressing device |
05/11/2004 | CA2220632C Combination coaxial surge arrestor/power extractor |
05/06/2004 | WO2004038883A1 Circuit arrangement for esd and latch-up protection for integrated circuits |
05/06/2004 | WO2004038817A1 Superconducting fault current limiter |
05/06/2004 | WO2002099663A8 Intrinsically safe field bus system |
05/06/2004 | US20040085699 Amalgam of shielding and shielded energy pathways and other elements for single or multiiple circuitries with common reference node |
05/06/2004 | US20040085698 Integrated inrush current limiter circuit and method |
05/06/2004 | US20040085690 Semiconductor integrated circuit |
05/06/2004 | EP1415378A1 Voltage limiting protection for high frequency power device |
05/06/2004 | CA2502307A1 Superconducting fault current limiter |
05/05/2004 | CN1148760C Current limiting device with electrically conductive composition and method of manufacturing electrically conductive composition |
05/04/2004 | US6731489 5-pin protector |
04/29/2004 | WO2004036715A1 Electric power savings device used saturable reactor |
04/29/2004 | US20040080890 Digital instrumentation |
04/29/2004 | US20040080883 Compensated-well electrostatic discharge protection devices |
04/29/2004 | US20040080881 Integrated circuit with electrostatic discharge protection |
04/29/2004 | US20040080880 Over-voltage crowbar for lightning sorge and esd protection |
04/29/2004 | DE10020981B4 Motor-Steuergerät mit Fehlerschutzschaltung Motor controller with fault protection circuit |
04/28/2004 | EP0829101B2 Resistive current-limiting arrangement using high temperature superconductive material |
04/28/2004 | CN2613909Y Radiation protector |
04/28/2004 | CN1492558A Photoelectric type semiconductor safety unit |
04/27/2004 | US6728814 Reconfigurable IEEE 1149.1 bus interface |
04/27/2004 | US6728089 Surge suppressor for wide range of input voltages |
04/27/2004 | US6728086 Power-rail electrostatic discharge protection circuit with a dual trigger design |
04/27/2004 | US6728084 System and method for overvoltage protection of an integrated circuit |
04/27/2004 | US6727555 Device for protecting electronic components |
04/22/2004 | WO2004034545A1 Overvoltage protection circuit |
04/22/2004 | WO2004034544A1 A protection device for preventing the flow of undesirable differential mode transients |
04/22/2004 | WO2002017456A8 Protective relay |
04/22/2004 | US20040075964 Electrostatic discharge protection device for giga-hertz radio frequency integrated circuits with varactor-LC tanks |
04/22/2004 | DE202004002039U1 Interface structural component for connecting a technical operating device to a data bus has its own current supply and a protective circuit for signal wires |
04/22/2004 | DE10291613T5 Verfahren und System zum Schutz der in einem Fahrzeug eingebauten Elektronik Method and system for protection of the electronics installed in a vehicle |
04/22/2004 | DE10246098A1 Schaltungsanordnung Circuitry |
04/22/2004 | CA2499140A1 Overvoltage protection circuit |
04/21/2004 | EP1411624A1 Power inverter |
04/21/2004 | EP1410611A1 Resetting surge protection in telephone line interface circuits |
04/21/2004 | EP1410407A2 Surge voltage protector for use in power transmission networks |
04/21/2004 | CN1490913A Power supplier with spark preventive function and method thereof |
04/20/2004 | US6724601 ESD protection circuit |
04/20/2004 | US6724599 Power semiconductor device |
04/20/2004 | US6724594 Over voltage protection test multiplexer and methods of operating the same |
04/20/2004 | US6724592 Substrate-triggering of ESD-protection device |
04/15/2004 | WO2004032350A2 Circuit arrangement for limiting an overvoltage |
04/15/2004 | WO2004032302A1 Feed unit for an intrinsically safe energy supply |
04/15/2004 | US20040070913 Lightning arrester device for low-voltage network |
04/15/2004 | US20040070908 Overcurrent protection of input/output devices in a data processing system |
04/15/2004 | US20040070905 Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods |
04/15/2004 | US20040070900 Electrostatic discharge protection device for mixed voltage interface |
04/15/2004 | US20040070005 Compact high voltage ESD protection diode |
04/15/2004 | DE4229440B4 Schaltungsanordnung zum Ein- und Ausschalten einer elektrischen Last Circuitry for switching on and off of an electrical load |
04/15/2004 | DE19952004B4 Verfahren zum Betreiben einer Überspannungsschutzeinrichtung sowie Überspannungsschutzeinrichtung mit mindestens einem Grobschutz- und einem Feinschutzelement Method for operating a surge protector and surge protector with at least one Grobschutz- and a fine protection element |
04/14/2004 | CN2612181Y Lightning-protection signal interface |
04/14/2004 | CN2612138Y Resonance eliminator of network |
04/14/2004 | CN2612137Y Multi-stage power source lightning protection |
04/14/2004 | CN2612136Y Whole electronic overvoltage, overcurrent protective security unit having light guide warning function |
04/14/2004 | CN2611953Y Line controller of heater in bathroom |