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)
12/1998
12/30/1998WO1998059421A1 Short circuit protection for a semiconductor switch
12/30/1998WO1998059377A1 Semiconductor current limiter
12/29/1998US5854730 Transient and voltage surge protection system and method for preventing damage to electrical equipment
12/24/1998DE19821759A1 Load drive control system
12/23/1998WO1998058435A1 A device for current limitation and protection against faults in a current
12/23/1998EP0886361A2 Electrostatic discharge protection device
12/23/1998EP0886316A1 Protection of a logic device well comprising an integrated power MOS transistor
12/22/1998US5852541 Early trigger of ESD protection device by an oscillation circuit
12/22/1998US5852540 Circuit for protecting the input/output stage of a low voltage integrated circuit device from a failure of the internal voltage supply or a difference in the power-up sequencing of supply voltage levels
12/17/1998DE19825564A1 Resistive current limiter especially for short-circuits
12/16/1998CN1202268A Electrical switch
12/10/1998WO1998056157A1 Residential protection service center
12/10/1998WO1998056095A2 Overcurrent protection circuit
12/10/1998DE19722838A1 Protective circuit against uncontrolled switching in pulse coupling
12/09/1998EP0883246A1 A heater control device
12/09/1998EP0806071B1 Overvoltage protector
12/09/1998CN1201561A Overcurrent protection circuit
12/09/1998CN1201560A Overcurrent protection circuit
12/09/1998CN1201551A Surge arrester
12/08/1998US5847915 Static isolator
12/08/1998US5847436 Bipolar transistor having integrated thermistor shunt
12/03/1998WO1998054813A1 Filter for a pair of data communication lines
12/03/1998WO1998054812A1 Telephone and data overvoltage protection apparatus including a longitudinal transformer
12/03/1998DE19722017A1 Electrical circuit with earthed electrical component and control apparatus, e.g for vehicle ABS system
12/02/1998EP0881733A1 Valve overcurrent protection in electric power transmission plant
12/02/1998EP0881682A1 Overvoltage protection for an integrated MOS power transmission
12/02/1998EP0720783B1 Inrush current limiter
12/02/1998CN1200844A Overcurrent protection circuit
12/02/1998CN1200585A Three phase non-disturbed type distribution transformer and switching combination arrangement
12/01/1998CA2143264C Zero phase sequence current filter with adjustable impedance
11/1998
11/26/1998WO1998053466A1 A combination apparatus of distribution transformer and switch
11/26/1998DE19742391C1 Load-dump pulses protection method e.g. for motor vehicle control appliances connected to on-board power supply
11/25/1998EP0879495A1 Electronic switch magnet control system for switching off a contactor
11/25/1998EP0776539A4 Electrostatic protection circuit
11/25/1998EP0598830B1 Improved lightning protection for field mounted instruments
11/24/1998US5841620 To protect telephone communication equipment from power/transient surges
11/24/1998US5841619 Interface circuit for use in a semiconductor integrated circuit
11/24/1998US5841615 Ground fault circuit interrupt system including auxiliary surge suppression ability
11/19/1998WO1998052267A1 Inrush current control circuitry
11/19/1998WO1998052172A2 Plug-and-socket connection for power and data transmission
11/18/1998EP0715777B1 Use of ptc devices in wiring harnesses
11/18/1998CN1199288A Repeater apparatus having isolation circuit
11/18/1998CN1199263A Power source performance raising method
11/18/1998CN1040821C Apparatus and method for inhibiting earth current
11/17/1998US5838589 For use in a hazardous area
11/17/1998US5838547 Electrical safety barrier
11/17/1998US5838526 Load actuation circuit with a surge protecting function
11/17/1998US5838524 Current limit circuit for inhibiting voltage overshoot
11/17/1998US5838146 Method and apparatus for providing ESD/EOS protection for IC power supply pins
11/17/1998US5838043 ESD protection circuit located under protected bonding pad
11/17/1998CA2020974C Electrical system surge protector
11/11/1998EP0876699A2 Current limiting circuit
11/11/1998CN1040714C Overvoltage protection device for telephone line
11/11/1998CN1040713C Use of PCT device in wiring system
11/10/1998US5835534 For performing communication
11/10/1998US5835328 Breakdown-tiggered transient discharge circuit
11/10/1998US5834924 In-rush current reduction circuit for boost converters and electronic ballasts
11/05/1998WO1998049762A1 Device for limiting electrical alternating currents, especially during short-circuits
11/05/1998WO1998049733A1 Semi-conductor device and use thereof
11/05/1998WO1998049695A2 Electric coupling device, electric circuit and method in connection therewith
11/05/1998WO1998049694A2 Variable electric resistor
11/04/1998EP0875088A2 Connector for consumer networks
11/03/1998US5831806 Protective circuit for BiCMOS/CMOS circuitry in hybrid VCC systems during H operation
11/03/1998US5831803 Electrical system
10/1998
10/29/1998WO1998048504A1 Electrical plug
10/29/1998DE19727345A1 Short circuit or overcurrent protection unit for electrical apparatus
10/29/1998DE19717614A1 Passiver Halbleiterstrombegrenzer Passive semiconductor
10/28/1998EP0732002B1 Rectifier bridge apparatus
10/28/1998CN2296087Y Automatic aligning arc blast device
10/28/1998CN1197326A Oscillatory circuit, electronic circuit, semiconductor device, electronic instrument and clock
10/27/1998US5828538 Power-up circuit for field programmable gate arrays
10/27/1998US5828291 Multiple compound conductor current-limiting device
10/27/1998US5828089 Full protection component for a subscriber line interface circuit
10/27/1998US5828078 Electrostatic discharge protection using high temperature superconductors
10/22/1998WO1998047190A1 Distributed esd protection device for high speed integrated circuits
10/22/1998DE19719730C1 Plug connector for use in explosive area
10/21/1998EP0872004A1 Transformerless conditioning of a power distribution system
10/20/1998US5825603 For preventing damage to a circuit of an integrated circuit
10/20/1998US5825201 Programming architecture for a programmable integrated circuit employing antifuses
10/20/1998US5825200 Programming architecture for a programmable integrated circuit employing antifuses
10/20/1998US5825097 Apparatus for driving electrical loads provided at a car
10/15/1998WO1998045919A1 Improvements in transient overvoltage and lightning protection of power connected equipment
10/15/1998DE19708802A1 Electrical circuit with voltage and current limiting devices
10/14/1998EP0870353A1 Isolated electrical power supply
10/14/1998CN2294539Y High voltage suppression filter
10/13/1998US5821601 Bipolar semiconductor integrated circuit with a protection circuit
10/08/1998WO1998044516A1 Resettable automotive circuit protection device
10/08/1998DE19712261A1 Elektronische Sicherung Electronic Security
10/07/1998EP0869238A2 Tamper resistant electronic lock and method of using same
10/07/1998EP0868810A1 An automatic subscriber callback system
10/07/1998EP0868807A1 A telephone equipment protection circuit
10/07/1998EP0868805A1 Modem loop current detect system to detect an off-hook condition in an extension telephone
10/07/1998EP0868781A1 Electrical isolation between ir receiver and further electronic circuits
10/07/1998EP0868704A1 Fault detection and modification circuit
10/07/1998CN2293917Y Special lightning protector for wire communication terminal equipment
10/07/1998CN1195218A Protruding peak absorber with noninflammability and explosion-proof effect and its making method
10/06/1998US5818674 Solid state overload relay
10/06/1998US5818088 Electrostatic discharge protection network and method
10/06/1998CA2012253C Fail-safe surge arrester
10/01/1998WO1998043335A1 A current limiter with a superconducting current limiting element
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