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)
07/1998
07/01/1998EP0850504A2 Overcurrent protection circuit
07/01/1998EP0850503A1 Overcurrent protection circuit
07/01/1998EP0850486A1 Electrical switch
06/1998
06/30/1998US5774315 Power surge suppression circuit for hot plug environments
06/30/1998CA2004444C Arrester with external isolator
06/25/1998WO1998027641A1 Overvoltage protective circuit for step-down converter
06/25/1998WO1998027636A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998WO1998027635A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
06/25/1998WO1998027634A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998CA2279394A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998CA2275638A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
06/25/1998CA2275616A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/24/1998EP0849854A2 Switched electronic supply unit
06/23/1998US5771140 Electro-static discharge and latch-up prevention circuit
06/17/1998EP0848472A1 Current control interface arrangement
06/17/1998EP0847611A1 Sharing arrangement for surge protection circuitry
06/17/1998CN2284461Y Overvoltage absorbing device
06/17/1998CN1185240A Free-wheel circuit with adjustable off delay time
06/16/1998US5768084 Combination coaxial surge arrestor/power extractor
06/12/1998CA2220742A1 Current control interface arrangement
06/10/1998EP0846989A1 Oscillation circuit and electronic circuit, and semiconductor device, timepiece, and electronic device equipped with the same
06/10/1998CN1184355A Improved surge protecting circuit for electronic products
06/09/1998US5764926 Supressing in rush current from a power supply during live wire insertion and removal of a circuit board
06/09/1998US5764470 Rush current suppression circuit
06/09/1998US5763929 Transistor package having a series connected thermistor for protection from thermal destruction
06/09/1998CA2070787C Overvoltage protection for series capacitor equipment
06/04/1998WO1998024162A1 Overcurrent protection systems
06/04/1998WO1998024105A1 Electromagnet for an electrovalve
06/04/1998DE19648381A1 Current limiting arrangement e.g for locomotive power converter
06/03/1998EP0845847A1 Device for the protection of MOS integrated circuit terminals against electrostatic discharges
06/03/1998CN1038629C Overvoltage protection
06/02/1998US5761021 Voltage surge suppression device
06/02/1998US5761019 Medical current limiter
06/02/1998US5761017 High temperature superconductor element for a fault current limiter
05/1998
05/28/1998WO1998023019A1 Surge protector for power feed line
05/28/1998WO1998023018A1 A transient voltage protection device and method of making same
05/28/1998DE19648899A1 Elektromagnet für Magnetventil Solenoid for solenoid valve
05/27/1998CN2282743Y Low-voltage power lightning arrester
05/26/1998US5757603 Electrical surge protection device
05/20/1998EP0630533B1 A short-circuit limiting protector
05/20/1998DE19645783A1 Stromversorgungsschaltung Power supply circuit
05/20/1998CN1182299A Combination coaxial surge arrestor/power extractor
05/14/1998WO1998020611A1 Electric power supply circuit
05/13/1998CN2281599Y Electronic protector
05/13/1998CN1181651A Surging voltage suppressing method
05/13/1998CN1038376C Electrostatic discharge protection circuits using biased and terminated PNP transistor chains
05/12/1998US5751531 Protection circuit against high energy overvoltages, having a controlled clipping voltage
05/12/1998US5751530 High power DC blocking device for AC and fault current grounding
05/06/1998EP0840413A1 Combination coaxial surge arrestor/power extractor
05/06/1998CN2281030Y Lightning-protecting anti-interference and overvoltage protective socket
05/06/1998CN2281029Y Lightning-protection overvoltage protective moudel for power supply
05/06/1998CN2281028Y Case-type protector
05/05/1998US5748426 Method for interfacing to a powered bus
05/05/1998US5748425 Electrostatic discharge circuit layout
05/05/1998US5748424 Electrical plug receptacle
05/05/1998US5748423 System for limiting short circuit current in 3-phase electric power networks
05/05/1998US5748093 Electrical surge protection system with condition monitoring
04/1998
04/28/1998US5745327 Device for preventing surge noise in connecting computers and peripherals thereof
04/28/1998US5745324 Electrostatic discharge and excessive voltage protection circuit
04/22/1998EP0740859A4 Electrostatic discharge circuit for high speed, high voltage circuitry
04/22/1998EP0627121B1 Charged particle generation
04/21/1998US5742465 Protection circuit for a CMOS integrated circuit
04/21/1998US5742463 Protection device using field effect transistors
04/21/1998CA2159273C Protection of active telephone line interface circuits
04/16/1998DE19640997A1 Overvoltage protection system
04/15/1998EP0836262A2 Current limiting device
04/15/1998EP0836256A1 Electrical domestic installation
04/15/1998EP0836201A2 PTC resistor
04/15/1998EP0835691A1 Control system and method for electrically operated equipment
04/15/1998CN2279028Y Adjustable arc-extinction winding
04/15/1998CN2279027Y Automatic power supply lighting shock and leakage protector
04/15/1998CN1038084C Process and arrangement for limiting short circuit current on an electric energy line
04/14/1998US5740000 ESD protection system for an integrated circuit with multiple power supply networks
04/14/1998US5739999 Current limiting circuit
04/09/1998DE19641116A1 Detection process for transformer core remanence flux
04/08/1998EP0834976A2 Circuit with electronic fuse
04/07/1998US5737161 Overcurrent protection device and arrangement
04/07/1998US5737160 Electrical switches comprising arrangement of mechanical switches and PCT device
04/02/1998DE19637435A1 Elektronische Sicherung Electronic Security
04/01/1998EP0730779A4 Short circuit protected splice connector
04/01/1998CN2277605Y Telephone device preventing eavesdropping, unauthorised calling and lightning
03/1998
03/31/1998US5734542 Dual-line dual-voltage telecommunications surge protector
03/31/1998US5734256 Apparatus for protection of power-electronics in series compensating systems
03/31/1998US5734207 Voltage polarity memory system and fuse-switch assembly usable therewith
03/26/1998WO1998012785A1 Solid-state high voltage crowbar circuit
03/25/1998EP0831507A2 Relay with overload protection
03/25/1998EP0723738B1 Magazine arrangement
03/25/1998CN2277138Y Cold storage Zener safety grid
03/24/1998US5731967 Converter circuit arrangement with minimal snubber
03/24/1998CA2059668C Plug-in transient voltage suppressor module
03/19/1998WO1998011642A1 Electronic fuse
03/18/1998EP0829136A1 Integrated circuit
03/18/1998EP0829123A1 Free-wheel circuit with an adjustable off delay time
03/18/1998EP0829101A1 Resistive current-limiting arrangement using high temperature superconductive material
03/18/1998EP0746684A4 Soft-start pump control system
03/17/1998US5729418 High voltage current limiting protection circuit and method therefor
03/17/1998US5729062 Active plug-in circuit
03/12/1998DE19708019A1 Bipolar integrated semiconductor circuit with cross-polarity connection protection
03/11/1998EP0828333A2 Method for making a current limiter with a high Tc superconductor and current limiter
03/11/1998EP0744091B1 Coaxial transmission line surge arrestor
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