Patents
Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232)
06/1996
06/12/1996EP0715791A1 An apparatus for protecting a subscriber line interface circuit against overvoltages
06/12/1996EP0715779A1 Circuit arrangement
06/12/1996EP0715777A1 Use of ptc devices in wiring harnesses
06/11/1996US5526218 Surge absorbing device to protect from overvoltage and overcurrent
06/06/1996WO1996017419A1 Ignition apparatus and method
06/06/1996CA2205090A1 Ignition apparatus and method
06/05/1996EP0523190B1 Power line filter and surge protection circuit components and circuits
06/05/1996DE19510181C1 Overvoltage diverter and current extinction device
06/04/1996CA2080230C Ac power conditioning circuit
05/1996
05/30/1996WO1996010730A3 Barrier device
05/29/1996EP0667053A4 Active power line conditioner with synchronous transformation control.
05/28/1996US5521789 BICMOS electrostatic discharge protection circuit
05/28/1996US5521149 Copper arms, bars tubes of glass for current density
05/28/1996CA2075572C High energy dissipation harmonic filter reactor
05/23/1996WO1996015571A1 Circuit arrangement
05/23/1996WO1996015540A1 Surge arrester with overvoltage sensitive grounding switch
05/23/1996CA2204991A1 Surge arrester with overvoltage sensitive grounding switch
05/22/1996EP0713228A1 Current limiting device
05/22/1996EP0713227A1 Thermistor and current limiting device with at least one thermistor
05/22/1996CN2227881Y Socket plate
05/21/1996US5519558 Three phase throttle current technique
05/21/1996US5519264 Inrush current limiter
05/17/1996WO1996014684A1 Solid state, resettable overcurrent protection device
05/15/1996EP0711466A1 Process and arrangement for limiting short circuit current on an electric energy transmission line
05/15/1996DE4439967A1 Overvoltage protection for automobile electronic appts.
05/14/1996US5517380 Method and apparatus for avoiding power-up current surge
05/09/1996DE4439125A1 Integrable voltage-limiting circuit for vehicle anti-theft device portable inductively-coupled data carrier
05/09/1996DE19502919C1 Screened conductor screen and overvoltage trip arrangement earthing device e.g. for telecomms. and data processing systems
05/08/1996CN1031774C Method and arrangement for single phase earthing protection of low-current system
04/1996
04/30/1996US5513060 Series protection circuit
04/30/1996US5513059 Arrangement for protecting telecommunications equipment from voltage transients
04/25/1996WO1996012332A1 Overvoltage protection
04/25/1996WO1996012291A1 Touch responsive electric power controller with appliances
04/25/1996DE4436858A1 Überspannungsschutzeinrichtung Overvoltage protection device
04/24/1996EP0708516A1 Electrostatic discharge protection device for integrated circuit
04/24/1996EP0708515A1 Protective circuit for protecting load against excessive input voltage
04/18/1996WO1996011543A1 Protection of active telephone line interface circuits
04/17/1996CN2225102Y Ground compensator of automatic tracking and regulating arc-extinguishing coil
04/16/1996US5508906 Low loss recirculation apparatus
04/16/1996US5508876 Electronic installation having several functional modules protected against lightning by a single disconnectable protection module
04/11/1996WO1996010862A1 Rectifier bridge apparatus
04/11/1996WO1996010730A2 Barrier device
04/11/1996CA2196749A1 Barrier device
04/11/1996CA2176116A1 Rectifier bridge apparatus
04/10/1996EP0706194A1 Protector plug
04/10/1996CN2224479Y Self-healing protector
04/10/1996CN1120237A Protection plug
04/04/1996WO1996010269A1 Current-limiting device
04/03/1996CN1119796A Apparatus and method for inhibiting earth current
04/02/1996US5504448 Current limit sense circuit and method for controlling a transistor
04/02/1996US5504446 AC voltage clipper in MOS-technology
03/1996
03/26/1996US5502338 Power transistor device having collector voltage clamped to stable level over wide temperature range
03/26/1996US5502329 Protection component for automobile circuit
03/21/1996WO1996008869A1 Electronic overvoltage-protection circuit for power switches
03/21/1996DE4433045A1 Electronic circuit for commercial vehicle airbag system
03/14/1996WO1996008067A1 A self-excited oscillator type switch power supply with overcurrent protection
03/13/1996EP0701313A1 Circuit breaker and voltage clamp circuit
03/13/1996CN1118460A Regulator with an overcurrent protection device
03/12/1996US5499152 Protection circuit
03/06/1996CN1118119A Self excited switch source with overcurrent protection
02/1996
02/29/1996WO1996006476A1 Apparatus comprising transient voltage suppression means
02/28/1996EP0698895A2 Electrical safety barriers
02/28/1996CN2221263Y A.C/d.c side overvoltage protector of rectifier bridge
02/28/1996CN1117661A Overvoltage protection
02/27/1996US5495383 For protecting a semiconductor device or communication line
02/22/1996WO1996005641A1 Electrostatic protection circuit
02/22/1996DE4432520C1 Elektronische Schutzschaltung gegen Überspannungen an Leistungsschaltelementen Electronic circuit protection against overvoltages on power switching elements
02/21/1996EP0697757A1 Electrostatic discharge protection circuit for an integrated circuit device
02/21/1996CN2220699Y Lightning arrester for transmission line
02/21/1996CN2220687Y Telecommunications security module
02/20/1996US5493469 Surge protection for data lines
02/20/1996US5493101 Positive temperature coefficient transition sensor
02/14/1996EP0696830A1 Locating earth faults in electric networks with grounding coil
02/14/1996CN2220135Y Self-resetting thunder-proof adapter junction box
02/14/1996CN2220134Y Lightening conductor ground point detecting device protector
02/14/1996CN2220133Y Multifunctional protector for household electrical appliances
02/14/1996CN1116741A AC line stabilization circuitry for high power factor loads
02/13/1996US5491452 Peltier element as series noise clamp
02/13/1996EP0720783A4 Inrush current limiter
02/07/1996EP0696105A2 Circuit and method for controlling a transistor
02/07/1996EP0696081A1 Superconductive electrical connection
02/07/1996EP0571373B1 Apparatus for protecting a dc power distribution bus during hot servicing
02/07/1996CN2219557Y Multi-phase combined overvoltage protector
02/07/1996CN1116081A Dental syringe with circuit for detecting connecting point, charge driving device and illumination device built in
02/06/1996US5490215 Telecommunications T1 carrier overvoltage and fiber to curb power protector
02/06/1996US5490171 Single-port network node transceiver with powered-down protection
02/06/1996US5490030 Electromagnetic and radio frequency interference suppression for ground fault circuit interrupters
02/01/1996WO1996002924A1 Single and multi-layer variable voltage protection devices and methods of making same
02/01/1996CA2194865A1 Single and multi-layer variable voltage protection devices and methods of making same
01/1996
01/31/1996EP0695016A1 Current control interface circuit
01/30/1996US5488551 Pulse width modulated power supply which avoids excessive on-time of switch during start-up
01/30/1996US5488534 Transient voltage surge suppression module with ultrafast fusing
01/30/1996US5488533 Methods and apparatus for isolating a power network from a load during an overcurrent condition
01/30/1996US5488531 Redundant power mixing element with fault detection for DC-to-DC converter
01/30/1996US5488303 Ground fault interrupter
01/30/1996US5488275 Control circuit for feedback, motor-operated valve
01/24/1996CN1115551A Method for the protection in particular of telecommunication installations and protection circuit for carrying-out said method
01/23/1996CA2154375A1 No-mov protection circuitry
01/17/1996CN1115049A Circuit board for live wire insertion
01/16/1996US5485024 Electrostatic discharge circuit