Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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12/28/2000 | WO2000079668A1 High voltage transient voltage surge suppression fuse link system |
12/28/2000 | WO2000079666A1 An apparatus for limiting an electrical current |
12/28/2000 | WO2000079665A1 A monitor circuit for a current limiting device |
12/28/2000 | CA2340635A1 High voltage transient voltage surge suppression fuse link system |
12/27/2000 | CN2412308Y Low residual voltage combined overvoltage protector |
12/27/2000 | CN2412302Y Multifunctional protector for electrical appliances |
12/26/2000 | US6166619 Overcurrent limiter having inductive compensation |
12/26/2000 | US6166458 Power conditioning circuit |
12/21/2000 | WO2000077907A1 Universal multi-functional common conductive shield structure for electrical circuitry and energy conditioning |
12/20/2000 | EP1061628A1 A circuit for connection between a car radio and a motor-vehicle battery |
12/20/2000 | EP1061626A1 An apparatus for limiting an electrical current |
12/20/2000 | EP1061625A1 A monitor circuit for a current limiting device |
12/20/2000 | EP1060553A1 Current-limiting arrangement with a superconductive transformer arrangement in an electric circuit |
12/20/2000 | EP1060552A1 Field bus system with a field bus distributor |
12/20/2000 | EP1016095A4 Fault current limiting superconducting coil |
12/20/2000 | CN1277741A Overcharge protection device and methods for lithium-base rechargeable batteries |
12/19/2000 | US6163712 Inrush current limiter with output voltage detection for control of input current level and activation of current bypass path |
12/19/2000 | US6163470 EMI filter for an inrush relay |
12/19/2000 | US6163469 Rush current limiting device for power circuit |
12/19/2000 | US6163445 Low-voltage test signal path protection circuit with extended bandwidth, overvoltage and transient protection |
12/17/2000 | CA2297882A1 Electrical circuit protection |
12/14/2000 | WO2000076048A1 Current limiting device comprising a high temperature supraconductor |
12/13/2000 | CN2410802Y Circuit overvoltage protector |
12/13/2000 | CN1276909A Fault current limiting superconducting coil |
12/13/2000 | CN1276641A Surge suppressing circuit capable of responding power disturbance change rate |
12/12/2000 | US6160693 Short circuit protection for a semiconductor switch |
12/12/2000 | US6160692 Microprocessor detection of transient voltage and abnormal line voltage |
12/07/2000 | WO2000074197A1 A multi-functional energy conditioner |
12/07/2000 | DE19927031A1 Strombegrenzungseinrichtung mit Hochtemperatur-Supraleiter Current-limiting device with high-temperature superconductors |
12/07/2000 | CA2375135A1 A multi-functional energy conditioner |
12/06/2000 | EP1058366A2 Surge suppression network responsive to the rate of change of power disturbances |
12/06/2000 | CN2409698Y Triangular pyramid gap set for three-phase combined overvoltage protector |
12/05/2000 | US6157529 Basic surge protector |
12/05/2000 | US6157528 Polymer fuse and filter apparatus |
12/05/2000 | US6157139 Electrical light socket |
12/05/2000 | US6157097 Protecting method for inrush current preventing resistor |
11/30/2000 | WO2000072338A1 Active booster transformer system |
11/30/2000 | WO2000072332A1 Junction box with over-current protection |
11/30/2000 | DE19936407A1 Device for compensating mains failures and voltage dips |
11/30/2000 | DE19930685A1 Electronic circuit for detecting short circuit in electric motor evaluates component in inverter voltage having six times supply frequency |
11/29/2000 | CN1275253A Surge suppressor device |
11/28/2000 | US6154118 Circuit protective device with positive temperature coefficient element and electric junction box with the device |
11/28/2000 | US6154082 Projection device against electrostatic discharges |
11/28/2000 | US6153948 Electronic circuits with wide dynamic range of on/off delay time |
11/23/2000 | WO2000070631A2 A method for overcurrent protection in a superconducting cable |
11/23/2000 | WO2000057493A3 Superconductor composite wire for current limiters |
11/23/2000 | DE19958934A1 Motor control unit for controlling switching element of each switching arm and regulating current supplied to motor in vehicle, has high voltage and low voltage switching units and temperature detection diodes |
11/22/2000 | EP1053597A1 Filter circuits for protecting against transient electrical pulses |
11/22/2000 | CN2407473Y Lightning-proof safety switch socket |
11/22/2000 | CN1058815C Surging voltage suppressing method |
11/21/2000 | US6151200 Method of discharging SOI floating body charge |
11/21/2000 | US6150800 Power circuit including inrush current limiter, and integrated circuit including the power circuit |
11/21/2000 | CA2202198C Improved transient voltage surge suppression and electrical noise attenuation circuit |
11/16/2000 | WO2000069044A1 Overvoltage protection circuit |
11/15/2000 | EP1051674A1 Protection system |
11/15/2000 | CN2406403Y Arc-extinguishing coil with limiting function to series resonance over-voltage |
11/14/2000 | US6147853 Protection circuit that can be associated with a filter |
11/14/2000 | US6147850 Auxiliary power port with integrated resettable overcurrent protection device |
11/14/2000 | US6147845 System interconnection device and method of designing same |
11/09/2000 | DE19920443A1 Anordnung zur Strombegrenzung mit einem supraleitenden Transformator Arrangement for current limiting with a superconducting transformer |
11/08/2000 | EP1050892A1 Current limiting device for superconducting transformer |
11/08/2000 | EP1050093A1 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
11/08/2000 | EP1050092A1 Power conditioning circuit |
11/08/2000 | CN2405365Y Arrangement for controlling excess current |
11/08/2000 | CN2405364Y Protecting arrangement for signal inputting terminal |
11/08/2000 | CN2405345Y Lightning protection and anti-interference electric power supply socket |
11/08/2000 | CN2405344Y Lightning protection and anti-interference telephone set socket |
11/08/2000 | CN1272972A Terminal block for protective relay |
11/08/2000 | CN1272707A Total-state compensating arc-extinguishing coil automatic tuning device |
11/07/2000 | US6144540 Current suppressing circuit breaker unit for inductive motor protection |
11/01/2000 | CN2404248Y Special lightning-protection & arc extinguishing device for high-voltage transmission line |
11/01/2000 | CN2404247Y Safety lightning-protection apparatus for domestic electric appliance line |
11/01/2000 | CN2404246Y Lightning-protection earth leakage protective device |
11/01/2000 | CN2404245Y Fire prevention all self-healing safety protection unit |
10/26/2000 | WO2000064024A1 Downhole electronics protection apparatus |
10/26/2000 | WO2000064023A1 Inrush current limiting protection circuit |
10/25/2000 | EP1047092A2 Overcurrent protection device |
10/25/2000 | CN1271458A Power distribution network incorporating a voltage support transformer and process of use |
10/24/2000 | US6137388 Resistive superconducting current limiter |
10/24/2000 | US6137352 Circuit arrangement for protection of HF-input-circuit on telecommunications devices |
10/24/2000 | CA2183176C High power dc blocking device for ac and fault current grounding |
10/19/2000 | WO2000062394A1 Safety barrier for limiting current and voltage |
10/19/2000 | WO2000062393A1 Protective circuit for an electronic device |
10/18/2000 | EP1045501A2 A piloting circuit for an inductive load, in particular for a dc electric motor |
10/18/2000 | EP1045444A1 Electrostatic discharge protection |
10/17/2000 | US6133653 Recirculating driver control circuit and method of operating the same |
10/17/2000 | CA2206409C Improved variable frequency drive reflected wave suppressors |
10/12/2000 | DE19915849A1 Fault-current (FI-) circuit breaker device e.g. for frequency converters |
10/12/2000 | DE10007888A1 Electric device for protecting electric circuit has positive temperature coefficient elements inserted between three substrates and linked in parallel between two end connections |
10/11/2000 | EP1042860A1 Controlled rectifier bridge with over-voltage protection |
10/11/2000 | EP1042820A1 SUPERCONDUCTOR STRUCTURE WITH HIGH-T c? SUPERCONDUCTOR MATERIAL, METHOD FOR PRODUCING SAID STRUCTURE AND CURRENT-LIMITING DEVICE WITH A STRUCTURE OF THIS TYPE |
10/11/2000 | CN2400922Y Plug and socket for electromagnetic noise signal controlling device |
10/10/2000 | US6130813 Protection circuit for electronic devices |
10/10/2000 | US6130554 Programmable integrated circuit having a test circuit for testing the integrity of routing resource structures |
10/06/2000 | CA2303025A1 Microprocessor detection of transient voltage and abnormal line voltage |
10/05/2000 | WO2000059094A2 Devices and methods for protection of rechargeable elements |
10/04/2000 | EP1040558A1 Method for influencing the electrical power of a load with a pulse width modulated signal |
10/04/2000 | CN1269063A Overcurrent protection circuit with improved ptc. trip endurance |
10/03/2000 | US6128171 Gate-coupled structure for enhanced ESD input/output pad protection in CMOS ICs |
10/03/2000 | US6127882 Current monitors with independently adjustable dual level current thresholds |