| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/08/1992 | CA2056863A1 Integrated over-current and over-voltage protection for distribution transformer secondary winding |
| 07/01/1992 | EP0492884A1 Electromagnetic device |
| 07/01/1992 | EP0491729A1 Controllable temperature-compensated voltage-limiting device |
| 07/01/1992 | CN2109011U Automatic tracting compensating petersen device |
| 06/25/1992 | DE4040247A1 Direct current rectified source - with means to prevent current surged when a short circuit develops in the nominal load circuit |
| 06/23/1992 | US5124873 Surge suppression circuit for high frequency communication networks |
| 06/23/1992 | CA1304171C Overcurrent protection circuit for semiconductor device |
| 06/17/1992 | EP0490788A1 Protection circuit with low capacitance |
| 06/17/1992 | EP0490787A1 Protection circuit limiting overvoltages between selected limits and its monolithic integration |
| 06/17/1992 | EP0490786A1 Programmable protection circuit and monolithic manufacturing thereof |
| 06/17/1992 | EP0490079A2 Overvoltage protecting device |
| 06/17/1992 | EP0490010A1 Hot-plugging circuit for the interconnection of cards to boards |
| 06/16/1992 | US5122921 Device for electromagnetic static and voltage suppression |
| 06/16/1992 | US5122724 Inrush current limiter |
| 06/11/1992 | DE4038738A1 Protecting cathodically corrosion protected high voltage cable ends from voltage surges - using restricting units connected over insulation pieces |
| 06/09/1992 | US5121281 High tension dc current-limiting circuit breaker |
| 06/09/1992 | CA1303122C Electronic motor starter |
| 06/03/1992 | EP0487812A2 Phase - phase coupling device for medium voltage networks |
| 06/03/1992 | EP0348447B1 Process and device for preventing interference of transients in a buck cell |
| 06/03/1992 | CN2106439U Repeated use type safety device for energy limiter |
| 06/02/1992 | US5119266 Electromagnetic interference filter protection circuit |
| 06/02/1992 | US5119263 Negative overvoltage protection circuit for insulated vertical pnp transistors |
| 06/02/1992 | US5119014 Sequential power-up circuit |
| 05/30/1992 | WO1992009943A1 Solid state current controlled interruption system |
| 05/12/1992 | US5113306 Non-fragmenting arrester with staged pressure relief mechanism |
| 05/12/1992 | US5113303 Grounding detection circuit |
| 05/06/1992 | EP0483591A2 Low tension switch device |
| 05/06/1992 | CA2029291A1 Communication line filter |
| 05/05/1992 | US5111353 Overvoltage protection circuit |
| 04/30/1992 | DE4127457A1 Diverter isolating switch between mains conductors and earth - is activated by excessive temp. detected by sensors in close thermal contact with supporting circuit board |
| 04/29/1992 | EP0482542A1 Overvoltage arrester |
| 04/29/1992 | CN2103213U T. v. set protector |
| 04/28/1992 | US5109162 Reverse polarity flyback switch |
| 04/26/1992 | CA2054121A1 Surge voltage protector |
| 04/21/1992 | US5107387 Fuse-protected RC controller |
| 04/16/1992 | WO1992006523A1 Circuit protection device |
| 04/15/1992 | CN2101960U Over-pressure automatic protector for domestic electric appliance |
| 04/14/1992 | US5105327 Ac power conditioning circuit |
| 04/14/1992 | US5105324 Device for protecting semiconductor circuits against transients on the supply line |
| 04/09/1992 | DE4031505A1 DC supply with switch=on current limiting - has resistor in connection from rectifier to switching regulator |
| 04/08/1992 | EP0478890A2 Protecting circuit for a laser diode |
| 04/07/1992 | US5103154 Start winding switch protection circuit |
| 04/01/1992 | EP0477367A1 Device for preventing inrush current from flowing into electric apparatus |
| 04/01/1992 | EP0477250A1 Plug-in transient voltage suppressor module |
| 03/31/1992 | US5101313 System for protecting a dc power distribution bus during hot servicing |
| 03/31/1992 | US5101180 Bidirectional communication line filter and surge protector |
| 03/28/1992 | WO1992006524A1 Surge-absorbing device having a protective function against over-voltage and over-current |
| 03/28/1992 | CA2069490A1 Surge absorbing device to protect from overvoltage and overcurrent |
| 03/25/1992 | EP0476620A2 Noise reducing element and electrical circuit having the same |
| 03/25/1992 | CN2100040U Over-voltage protective socket |
| 03/24/1992 | US5099380 Electrical connector with overvoltage protection feature |
| 03/24/1992 | US5099379 Surge preventing circuit for electromagnetic induction cooking apparatus |
| 03/24/1992 | US5099187 Power connect safety and connection interlock |
| 03/18/1992 | EP0475582A1 Connector for power supply |
| 03/18/1992 | CN2099405U Leakage-electricity protection equipment for insulating system of 380, 660v. |
| 03/18/1992 | CN1059623A Method of and device for protecting electrical power system |
| 03/11/1992 | EP0474611A2 Current limiting device |
| 03/11/1992 | EP0474186A2 Method of and device for protecting electrical power system |
| 03/11/1992 | EP0219494B1 Arrangement for protection of delicate electric installations against lightning effects and devices provided therefor |
| 03/10/1992 | US5095261 Transient protection circuit for a dc voltage supply |
| 03/05/1992 | WO1992003867A1 Surge suppressor device |
| 03/05/1992 | WO1992003646A1 Process and device for driving an electromagnetic consumer |
| 03/04/1992 | EP0472805A2 Arrangement to limit the terminal voltage in an alternator |
| 03/04/1992 | CN2098077U Feedthrough voltage-dependent |
| 03/03/1992 | US5092799 Connecting mechanism for memory card |
| 03/03/1992 | CA1296761C Battery jumper cable |
| 03/03/1992 | CA1296759C Device for limiting inrush current |
| 03/03/1992 | CA1296758C Apparatus for limiting surge currents in dc-illuminated incandescent lamp |
| 02/27/1992 | DE4040289C1 Current limiting circuit for slot-in contact connector - uses voltage drop across resistor to control transistor forming current source which is rapidly by=passed |
| 02/26/1992 | EP0472405A2 Telecommunication equipment protector |
| 02/26/1992 | EP0471948A2 Transient protection circuit |
| 02/26/1992 | CN1059051A Protective circuit and protective plug fir telecommunication installations |
| 02/25/1992 | US5091818 Overvoltage protecting circuit |
| 02/25/1992 | US5091817 Autonomous active clamp circuit |
| 02/25/1992 | CA1296381C Lightning protected electric fence controller system and method |
| 02/20/1992 | DE4101963C1 Protective circuit counteracting mains interference pulses - has compensating capacitor with voltage rising at most to half max. interference voltage |
| 02/20/1992 | DE4029794A1 Verfahren und einrichtung zur ansteuerung eines elektromagnetischen verbrauchers Method and device for activation of an electromagnetic consumer's |
| 02/19/1992 | EP0471167A1 Protective circuit and protective module for telecommunication devices |
| 02/19/1992 | CN2096832U Loop protecting plug-in block for power pollution |
| 02/18/1992 | US5089929 Retrofit integrated circuit terminal protection device |
| 02/18/1992 | US5089927 Power feed circuit for digital communications terminal equipment |
| 02/18/1992 | CA1296054C Arrangement for connecting plural self-commutated voltage type inverters to autility grid |
| 02/15/1992 | WO1992003868A1 Circuit connection device having overvoltage/overcurrent protection function |
| 02/15/1992 | CA2067175A1 Line connection device with protection function to protect against overvoltage and overcurrent |
| 02/12/1992 | CN2096148U Power saving life prolonging protector for household electric appliance |
| 02/12/1992 | CN2096138U Automatic current limiting protective socket |
| 02/12/1992 | CN1058690A Surge preventing circuit for electromagnetic induction cooking apparatus |
| 02/11/1992 | US5087871 Power supply with inrush current limiter |
| 02/11/1992 | CA1295676C Device for limiting starting current in a dc converter |
| 02/07/1992 | WO1992002979A1 Voltage surge suppression device |
| 02/06/1992 | WO1992002066A1 Process control instrument with loop overcurrent circuit |
| 02/06/1992 | DE4125229A1 Current surge suppression circuit for induction heating cooker - has temp. sensors in hot plate and controls for drive transistor collector voltage |
| 02/05/1992 | EP0469255A1 Electrostatic discharge noise suppression method and system for electronic device |
| 02/01/1992 | CA2048169A1 Electrostatic discharge noise suppression method and system for electronic devices |
| 01/29/1992 | CN2094817U Electric appliances starting protector |
| 01/28/1992 | CA1295022C Solid state switching device |
| 01/28/1992 | CA1295008C Communication line filter grounding electromagnetic pulse induced voltages |
| 01/25/1992 | WO1992002067A1 Dual shunt current regulator |
| 01/22/1992 | EP0467799A1 Overvoltage protection device and monolithic manufacturing process thereof |
| 01/22/1992 | EP0466738A1 Device for a.c. cut-in limitation. |