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)
10/1998
10/01/1998WO1998043334A1 Electronic fuse
10/01/1998DE19713174A1 Power supply method for time-multiplexed communications terminal
10/01/1998DE19710073A1 Vorrichtung und Verfahren zum Überspannungsschutz Apparatus and method for overvoltage protection
09/1998
09/30/1998EP0868016A1 Electric power transmission plant, including voltage source converter (VSC) with additional phase leg
09/30/1998EP0867998A1 A plant for transmitting electric power
09/30/1998EP0867895A2 Current limiter and/or circuit breaker with PTC element
09/30/1998EP0867060A2 Electrical power supply with low-loss making-current limitation and step-up converter circuit
09/30/1998EP0715779B1 Circuit arrangement
09/30/1998CN2293149Y Pure resistance electronic current-limiting safety grid
09/29/1998US5815387 Transformer protective apparatus having semiconductor and mechanical bypass means
09/29/1998US5815360 Integrated circuit input/output ESD protection circuit with gate voltage regulation and parasitic zener and junction diode
09/29/1998US5815356 Integrated transient suppressor
09/29/1998US5815355 Modulation compensated clamp circuit
09/29/1998US5815354 For an integrated circuit operating within a first voltage range
09/29/1998US5815353 Overvoltage protector
09/29/1998US5814791 Electrical apparatus with a variable circuit protection device
09/27/1998CA2233351A1 Current limiter and/or circuit breaker with ptc element
09/24/1998DE19738181A1 Protection circuit for integrated circuits
09/23/1998EP0866537A2 Resistive superconducting current limiter
09/23/1998CN1193760A Device for preventing surge noise in connecting computers and peripherals thereof
09/22/1998US5812353 Current limiter for electrical transmission/distribution protection systems
09/22/1998CA2048722C Protective circuit and protective plug for telecommunication installations
09/17/1998WO1998040965A1 Device and method for protection against overvoltages
09/16/1998EP0799516B1 Electrical circuit breaker
09/16/1998EP0763272B1 Circuit for limiting current
09/15/1998US5808849 Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method
09/15/1998US5808327 AC controller
09/15/1998US5807509 Single and multi layer variable voltage protection devices and method of making same
09/09/1998EP0862808A1 An installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault
09/08/1998US5805396 Protection circuit of drive system for motor
09/08/1998US5805393 Electrical system
09/08/1998US5805009 Method for operating an electrostatic discharge protection circuit
09/03/1998DE19709766C1 Controlling several coupled end stages esp. with gradient amplifier of nuclear resonance tomography e.g. Project 039
09/02/1998EP0862255A1 Disconnector for surge arrester
09/02/1998EP0649585B1 Switching arrangement for a communications channel
09/02/1998CN2290137Y Explosion-proof and flame resistant over-voltage absorption apparatus packaging box
08/1998
08/27/1998DE19746444A1 Short circuit current limiter
08/27/1998DE19733904A1 Magnetic rev counter for magnetic bodies
08/26/1998EP0860927A1 Protection circuit arrangement for surge arrester
08/26/1998EP0860013A1 Surge arrester
08/26/1998CN2289332Y Tandem terminal block with overvoltage protection box
08/25/1998US5798578 Synchronization device for a redundant power supply system
08/19/1998EP0858688A1 Esd protection for overvoltage friendly input/output circuits
08/19/1998EP0649584B1 Remotely actuated switch and protection circuit
08/18/1998US5796568 Current limiter device
08/13/1998WO1998029932A3 A device and a method for protecting an object against fault-related over-currents
08/13/1998WO1998029928A3 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
08/13/1998WO1998029927A3 Switching device including spark gap for switching electrical power, a method for protection of an electric object and its use
08/13/1998DE19803919A1 Current interrupting switch unit with current interrupting switch contacts e.g. for protection of machine tool induction motors
08/12/1998CN2287756Y Limited anti-lighting arrester
08/12/1998CN2287755Y Current protector special for camera powered by battery
08/11/1998US5793589 Circuit arrangement for current limiting
08/11/1998US5793588 Electrostatic discharge protection circuit
08/11/1998US5793171 Control circuit for controlling the driving of a DC motor for a mirror assembly of a vehicle
08/06/1998WO1998034315A1 Series compensation of electric alternating current machines
08/06/1998CA2278631A1 Series compensation of electric alternating current machines
08/05/1998CN1189711A Sensitively cut-off protector
08/05/1998CN1039467C Circuit arrangement
08/04/1998US5790363 Ethernet overvoltage/overcurrent protection system
08/04/1998US5790360 Power surge supression system with multi-level status annunciation circuitry
08/04/1998US5790359 Electrical surge protector with thermal disconnect
07/1998
07/30/1998WO1998033269A1 Softstart for battery controller
07/29/1998EP0855758A1 Circuit for the protection of RF input circuits of telecommunication devices
07/29/1998CN2286937Y Over-voltage protection device for distribution power supply
07/29/1998CN1189010A Oslillation circuit, electronic circuit, semiconductor device installing the same, timepiece and electronic device
07/29/1998CN1188894A Differential pressure divided-flow detection circuit and appliedd circuit
07/28/1998US5786974 Apparatus for and method of suppressing power surges utilizing electrical striplines
07/28/1998US5786972 Temperature-compensated voltage clamp with forced pass transistor voltage sharing
07/23/1998DE19701270A1 Auxiliary device for electrical equipment overvoltage protection
07/22/1998EP0854555A2 Integrated supply protection
07/22/1998EP0854491A1 Contactor-circuit breaker
07/22/1998EP0853835A1 Voltage pulse controllable electronic devices
07/22/1998CN2286537Y Excess voltage protector for power supply
07/21/1998USRE35854 Programmable protection circuit and its monolithic manufacturing
07/21/1998US5784236 Variable frequency drive reflected wave suppressors
07/16/1998WO1998031203A1 Improvements in or relating to thermal trip arrangements
07/16/1998DE19700779A1 T-bridge overvoltage diverter network esp. for leakage monitor system in pipeline networks
07/15/1998EP0853363A1 Static switch
07/14/1998US5781392 Balanced overvoltage protector for a dual-wire system
07/14/1998US5781390 Integrated supply protection
07/14/1998US5781386 To suppress transient currents on ground lines of power distribution system
07/09/1998WO1998029932A2 A device and a method for protecting an object against fault-related over-currents
07/09/1998WO1998029931A2 A device and a method for protecting an object against fault related over-currents, and its use
07/09/1998WO1998029930A2 A device and a method for protecting an object against fault-related over-currents
07/09/1998WO1998029929A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
07/09/1998WO1998029928A2 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
07/09/1998WO1998029927A2 Switching device including spark gap for switching electrical power, a method for protection of an electric object and its use
07/09/1998WO1998029788A1 Method and device for automatically switching three-phase voltage for power saving transformer
07/09/1998CA2275639A1 Switching device including spark gap for switching electrical power, a method for protection of an electrical object and its use
07/09/1998CA2275619A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
07/08/1998EP0852385A1 Current limiting device
07/07/1998US5777868 Electrical Plug
07/02/1998WO1998028835A1 Protecting method for inrush current preventing resistor
07/02/1998WO1998028831A1 A rechargeable battery with a built-in safety circuit for a portable electric apparatus
07/02/1998DE19756916A1 Thermistor-based monitoring system as watchdog for electrical loads
07/02/1998DE19740949A1 Protective circuit against electrostatic discharge for circuits internal to input and output
07/01/1998EP0851584A2 Improvements in or relating to integrated circuits
07/01/1998EP0851552A1 Protection ciruit for an electric supply line in a semiconductor integrated device
07/01/1998EP0851323A1 Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same
07/01/1998EP0850505A1 Overcurrent protection circuit
1 ... 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 ... 213