| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 02/17/1993 | EP0527516A2 Current limiting circuit |
| 02/17/1993 | EP0527137A1 Process and device for reducing the inrush current when powering an inductive load. |
| 02/16/1993 | US5187653 Current limiting device |
| 02/16/1993 | US5187426 Device for limiting the terminal voltage in an alternator |
| 02/09/1993 | US5185686 Direction sensing arc detection |
| 02/03/1993 | EP0525959A1 Switching circuit for over-voltage protection |
| 02/03/1993 | EP0525313A2 Resistive current limiter and method of making it |
| 02/02/1993 | US5184036 Method of limiting output current from an interface drive circuit |
| 01/28/1993 | DE4124321A1 Over-load voltage protection circuit - has thermal fuse switch that responds if first varistor fails to establish second varistor path to ground |
| 01/27/1993 | EP0524425A1 Circuit arrangement for limiting the inrush current and overvoltage protection for switching mode current supply devices |
| 01/27/1993 | CN1068449A Zinc-oxide piezoresistor and thermal-sensitive overcurrent protection assemble |
| 01/26/1993 | US5182470 Negative overvoltage protection circuit, in particular for output stages |
| 01/26/1993 | US5182220 CMOS on-chip ESD protection circuit and semiconductor structure |
| 01/26/1993 | US5181864 Connector |
| 01/21/1993 | WO1993001639A1 Circuit protection arrangement |
| 01/21/1993 | DE4137277C1 Current limiter circuit e.g. for use in satellite - has Zener diode between control electrode of MOSFET and main current path and uses comparator to control limiting threshold |
| 01/21/1993 | CA2111966A1 Circuit protection arrangement |
| 01/20/1993 | EP0523374A1 Resistive current limiter |
| 01/19/1993 | US5179842 Inverter controlled air conditioner capable of effectively reducing a rush current at starting |
| 01/19/1993 | CA1312917C Method and device for reducing the damaging effects of transients on the functioning of a buck cell |
| 01/12/1993 | US5179492 Protection circuit for detachable operating unit used in audio device |
| 01/12/1993 | US5179488 Process control instrument with loop overcurrent circuit |
| 01/06/1993 | CN1067763A 保护性断路器 Protective circuit-breaker |
| 12/30/1992 | EP0520636A2 Surge protection device and system |
| 12/29/1992 | US5175662 Device including an MTU and protector |
| 12/23/1992 | EP0519346A1 Circuit breaker |
| 12/18/1992 | WO1992022950A1 Ac voltage clipper in mos-technology |
| 12/18/1992 | CA2101442A1 Ac voltage clipper in mos-technology |
| 12/16/1992 | EP0518790A1 Bidirectional protection part |
| 12/10/1992 | DE4119007A1 Current limit circuit for electric motor pref. controlled by switching transistor - has at least one barrier resistance connected in series with motor winding to limit current to value compatible with transistor |
| 12/01/1992 | US5168417 Isolated solid state relay |
| 11/26/1992 | DE4111682C1 Transient overvoltage protection circuit for telecommunications appts. - uses triac with thyristor characteristic as fine protection element, and has low-resistance decoupling impedances |
| 11/25/1992 | EP0514454A1 Device for motor and short-circuit protection. |
| 11/19/1992 | EP0513349A1 Method and device for radio-navigational determinations using artificial earth-satellites |
| 11/17/1992 | US5164874 Apparatus for protecting against overvoltage |
| 11/17/1992 | CA1310357C Overvoltage protective circuit |
| 11/10/1992 | CA1310060C Electrostatic discharge protection network for large area transducer arrays |
| 11/04/1992 | CN2121088U Current foldback socket for programme control switchboard |
| 11/03/1992 | US5161183 Overvoltage protection circuits |
| 11/03/1992 | US5161082 Overload-limiting method based on the pwm (or lc3) control technique, and an electronic circuit implementing the method |
| 10/28/1992 | EP0510795A2 Timing window arc detection |
| 10/28/1992 | EP0510021A1 Overvoltage protection for series capacitor equipment. |
| 10/27/1992 | US5158464 Safety barrier assembly with built-in-cross wiring |
| 10/21/1992 | EP0509652A2 Direction sensing arc detection |
| 10/21/1992 | EP0477250A4 Plug-in transient voltage suppressor module |
| 10/21/1992 | CN2119718U Current-and voltage-limiting electricity saver |
| 10/20/1992 | US5157572 Apparatus suitable for use in protecting electrical installations from transients |
| 10/20/1992 | US5157571 Circuit arrangement for protecting an input of an integrated circuit fed from a supply voltage source from overvoltages |
| 10/15/1992 | WO1992017930A1 Power generation system with transient suppressor |
| 10/15/1992 | DE4111687A1 Fuse module for electronic measuring or communications appts. - has fuse element and series inductance parallel to replaceable discharge path |
| 10/14/1992 | EP0508314A2 Circuit for detecting short-circuiting of inductive load drive devices |
| 10/13/1992 | US5155650 Thyristor fail-safe |
| 10/13/1992 | US5155648 Device for protecting a direct current electrical power supply from disturbances caused by connecting to it or disconnecting from it an electronic system |
| 10/06/1992 | US5153806 Transient surge suppressor and alarm signal circuit |
| 10/06/1992 | US5153805 Temperature-compensated thermal protector |
| 10/06/1992 | US5153804 Hybrid current limiter having superconductor windings |
| 09/30/1992 | EP0506320A1 Arc detector transducer |
| 09/30/1992 | CN2117656U Low voltage protector for electric appliances |
| 09/22/1992 | US5150271 Telecommunication equipment protector |
| 09/17/1992 | DE4108106A1 Reducing switch=on current pulse for inductive loads - increasing effective voltage on lead when connected to AC networks, whilst measuring reactive current and until current threshold or desired voltage is reached |
| 09/16/1992 | EP0503448A2 Method for making a superconducting current limiter as well as a current limiter produced with such a method |
| 09/16/1992 | EP0503447A2 Superconducting current limiter |
| 09/16/1992 | EP0503064A1 Surge-absorbing device having a protective function against over-voltage and over-current |
| 09/16/1992 | CN2116299U Instantaneous overload current protector |
| 09/15/1992 | US5148345 Prepackaged electrical transient surge protection |
| 09/09/1992 | EP0502644A1 Cryogenic apparatus |
| 09/08/1992 | US5146384 Automatically resetting protection arrangement for a telephone subscriber line interface circuit |
| 09/08/1992 | CA1307315C Telephone protection circuit |
| 09/05/1992 | CA2062224A1 Cryogenic apparatus |
| 09/02/1992 | EP0501654A2 Apparatus for connecting a load to a power supply |
| 09/02/1992 | EP0500612A1 A protective device for computers and the like, adapated to prevent the pick up, the recording and the unauthorized use of data from the computers during the working thereof, and to protect them against high energy transient disturbances taking place on the main a.c. power line |
| 09/02/1992 | CN2114908U Multi-function socket box |
| 09/02/1992 | CN1018123B Automatic ground fault protection for electric power system |
| 09/01/1992 | US5144519 Electrostatic protection circuit for semiconductor chip |
| 09/01/1992 | US5144517 Intrinsically safe barrier device |
| 08/27/1992 | DE4105697A1 Synchronised safety vacuum switching panel with individual magnetic drives - each having control unit deriving signals from movement, drive and load parameters for comparison with reference values |
| 08/26/1992 | CN1063942A Low impedance, high voltage protection circuit |
| 08/25/1992 | US5142433 Motor drive circuit |
| 08/25/1992 | US5142430 Power line filter and surge protection circuit components and circuits |
| 08/25/1992 | US5142429 Overvoltage and overcurrent protective circuit with high earth balance |
| 08/25/1992 | CA1306769C Protection devices and arrangements for telephone lines |
| 08/18/1992 | US5140491 TVSS apparatus with ARC-extinguishing |
| 08/18/1992 | US5140290 Device for inductive current limiting of an alternating current employing the superconductivity of a ceramic high-temperature superconductor |
| 08/14/1992 | WO1992015139A1 Surge suppression and fault containment circuit and packaging therefor |
| 08/11/1992 | US5138242 Inverse electromotive force eliminating device for motor utilizing MOS-FET |
| 08/05/1992 | EP0497752A2 Disconnection device for surge arresters |
| 08/05/1992 | EP0497478A2 Low impedance, high voltage protection circuit |
| 08/05/1992 | EP0497471A2 A technique for improving ESD immunity |
| 08/04/1992 | US5136460 Electrical system surge protector |
| 08/04/1992 | US5136455 Electromagnetic interference suppression device |
| 08/04/1992 | US5136452 Fuse-protected RC speed controller variations |
| 07/30/1992 | CA2060161A1 Surge absorber |
| 07/29/1992 | EP0495980A1 Circuit connection device having overvoltage/overcurrent protection function |
| 07/22/1992 | CN2110937U Non-gap wide band wave damping type isolator |
| 07/14/1992 | US5130884 Parallel electrical surge-protective varistors |
| 07/14/1992 | US5130883 Circuit for overvoltage protection |
| 07/14/1992 | US5130882 Multilayer circuit board transient protection device |
| 07/14/1992 | US5130881 IC socket having overvoltage protection |
| 07/08/1992 | CN2109633U Current limiting safety box plug |
| 07/08/1992 | CN1017391B Subminiature extending protector for communication exchanger |