| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 08/18/1987 | US4687950 Thyristor commutation circuit |
| 08/18/1987 | CA1225723A1 Touch sensitive device |
| 08/13/1987 | WO1987004878A1 Integrated micromechanical call button |
| 08/13/1987 | WO1987004851A1 Proximity sensing device |
| 08/13/1987 | WO1987004691A1 Signal compensation circuits |
| 08/13/1987 | DE3604120A1 Contact-sensitive sensor |
| 08/12/1987 | EP0231292A1 Detector device |
| 08/12/1987 | EP0231204A1 Back bias generator. |
| 08/12/1987 | EP0044342B1 Pressure sensitive piezoelectric polymer signal generator |
| 08/11/1987 | US4686674 Multiplexer with inhibit for ECL gate array |
| 08/11/1987 | US4686618 Fault protection for GTO voltage-source inverters |
| 08/11/1987 | US4686393 Circuit breakers for direct and alternating current |
| 08/11/1987 | US4686383 Electronic switch with automatic protective turn-off followed by automatic reset |
| 08/05/1987 | EP0230810A1 Fast control circuit for a power-field-effect transistor |
| 08/04/1987 | US4685120 Electronic trigger switch for maintenance termination unit |
| 08/04/1987 | US4685045 Device for failure detection in series-connected semiconductor rectifiers |
| 08/04/1987 | US4684879 Transistor base drive circuit |
| 08/04/1987 | US4684878 Transistor base current regulator |
| 08/04/1987 | US4684877 Electrical system utilizing a concentric collector PNP transistor |
| 08/04/1987 | US4684825 400 Hz aircraft ground power supply |
| 08/04/1987 | US4684824 Capacitive load driver circuit |
| 08/04/1987 | US4684823 Monolithic switch with selective latch control |
| 08/04/1987 | US4684801 Signal preconditioning for touch entry device |
| 08/04/1987 | US4683702 Method for vacuum-packaging finely divided materials, and a bag for implementing the method |
| 07/29/1987 | EP0231204A4 Back bias generator. |
| 07/29/1987 | EP0230176A1 Static relay and its use in a bipolar inverter or in a bi-directional current circuit |
| 07/29/1987 | EP0229761A1 Fuel injection solenoid driver circuit. |
| 07/28/1987 | US4683438 Circuit for connecting a load to the high side of a DC power supply |
| 07/28/1987 | US4683414 Battery economising circuit |
| 07/28/1987 | US4683387 Quadrature switch apparatus for multi mode phase shift drivers |
| 07/28/1987 | US4683386 Electronic attenuation value control circuit in which switching noise is suppressed |
| 07/28/1987 | US4683383 Driver circuit for a three-state gate array using low driving current |
| 07/28/1987 | US4683373 Optical seat switch |
| 07/28/1987 | CA1224842A1 Parallel mosfet power switch circuit |
| 07/23/1987 | EP0211005A4 Transistor inverter interlock circuit. |
| 07/23/1987 | DE3601659A1 Short circuit-protected electronic switch |
| 07/23/1987 | DE3546161A1 Transistor output stage, especially a line output stage or switched-mode power supply |
| 07/22/1987 | EP0229482A2 Switching circuit utilizing a field effect transistor and voltage regulator |
| 07/22/1987 | EP0229247A2 Contactless signalling device |
| 07/21/1987 | US4682278 Procedure and device for detecting the non-conducting state of turn-off thyristors |
| 07/21/1987 | US4682272 Method of testing and adjusting a picofarad detecto circuit |
| 07/21/1987 | US4682226 Monostable multivibrator for video display |
| 07/21/1987 | US4682127 Ultra-high frequency signal switching matrix having active component switching junctions |
| 07/21/1987 | US4682061 MOSFET transistor switch control |
| 07/21/1987 | US4682056 Switching circuit having low speed/power product |
| 07/21/1987 | US4682051 Voltage level detection circuit |
| 07/21/1987 | US4682050 Small signal swing driver circuit |
| 07/16/1987 | WO1987004123A1 Circuit for transmitting values measured at vehicle wheels |
| 07/16/1987 | DE3600978A1 Amplifier circuit for a high-impedance sensor |
| 07/16/1987 | DE3600896A1 Signalling system for an automatic railway work gang-warning device or the like |
| 07/15/1987 | EP0228908A2 Water supply control apparatus |
| 07/15/1987 | EP0228585A1 Small signal swing driver circuit |
| 07/15/1987 | CN86205466U 固态继电器 Solid State Relays |
| 07/14/1987 | US4680664 Overcurrent protection circuit for power transistors |
| 07/14/1987 | US4680534 Drive method for switching power converter and apparatus using this method |
| 07/14/1987 | US4680533 Protection arrangement for switching device of a capacitive load pulser circuit |
| 07/14/1987 | US4680532 False triggering protection for switching device of a capacitive load pulser circuit |
| 07/14/1987 | US4680490 MOSFET AC switch |
| 07/14/1987 | US4680483 Comparator circuit |
| 07/14/1987 | CA1224057A1 Method and apparatus for obtaining electrical signals correlated with the position of a mercury mass in instruments and the like |
| 07/08/1987 | EP0228312A1 Power threshold opto-electronic switch and its driving method |
| 07/08/1987 | EP0228226A2 An off-gate circuit for a gate-turn-off thyristor |
| 07/08/1987 | EP0228146A1 CMOS output drive circuit |
| 07/08/1987 | EP0228133A1 Outputbuffer and control circuit providing limited current rate at the output |
| 07/08/1987 | EP0228019A2 Proximity switch operating without contact |
| 07/08/1987 | EP0227966A1 Inductive proximity switch |
| 07/08/1987 | EP0227677A1 Switch |
| 07/08/1987 | CN86201152U Fully automatic clock-controlled switching device for tv set |
| 07/07/1987 | USH310 Analog multiplexer |
| 07/07/1987 | US4679117 Touch sensor for wire stripper |
| 07/07/1987 | US4679112 Transistor protection circuit for automotive motor control applications |
| 07/07/1987 | US4678943 Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipation |
| 07/07/1987 | US4678933 For controlling an alternating current circuit |
| 07/07/1987 | US4678932 Snubber circuit for GTO thyristor |
| 07/07/1987 | US4678929 Radio frequency switch |
| 07/07/1987 | CA1223939A1 Three plate variable capacitance switch |
| 07/02/1987 | WO1987004026A1 Gate modulated transimpedance amplifier with buffering for focal plane array |
| 07/02/1987 | WO1987004024A1 Control circuit of the power transistor in a dc/ac converter |
| 07/02/1987 | WO1987003788A1 Human behavior modification system which establishes and generates a user adaptive withdrawal schedule |
| 07/01/1987 | EP0227589A2 Control device according to the synchronization switch system |
| 07/01/1987 | EP0227411A1 Inductive circuit arrangements |
| 07/01/1987 | EP0227407A2 A protection circuit for a power converter apparatus |
| 07/01/1987 | EP0227149A1 Current-sensing circuit for a power semiconductor device, in particular an integrated intelligent power semiconductor switch specifically for applications in motor vehicles |
| 07/01/1987 | EP0226929A2 Signal input circuit having a signal latch function |
| 07/01/1987 | EP0226722A1 Switching circuit having high speed/power ratio |
| 07/01/1987 | CN86205297U Power-saving delay-action circuit breaker |
| 06/30/1987 | US4677600 Keyboard apparatus |
| 06/30/1987 | US4677325 High voltage MOSFET switch |
| 06/30/1987 | US4677324 Fast switch-off circuit for conductivity modulated field effect transistor |
| 06/30/1987 | US4677323 Field-effect transistor current switching circuit |
| 06/30/1987 | US4677317 High voltage signal output circuit provided with low voltage drive signal processing stages |
| 06/30/1987 | US4677312 High voltage swing open collector driver |
| 06/30/1987 | US4677308 Switch status monitoring system, single wire bus, smart sensor arrangement therefor |
| 06/30/1987 | US4676403 Method and circuit for timing chemical dispenser operation |
| 06/30/1987 | CA1223629A1 Programmable wall switch |
| 06/25/1987 | DE3603368C1 Circuit arrangement for a turn-off limiting network in gate-turn-off-type semiconductor components |
| 06/24/1987 | EP0226395A2 Solid state relay having a thyristor discharge circuit |
| 06/24/1987 | EP0226299A2 Base drive circuit for high-power switching transistor |
| 06/24/1987 | EP0226174A2 Fault detector apparatus |
| 06/24/1987 | EP0225924A1 Electronic memory element with a lambda transistor. |