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