| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
|---|
| 08/24/1988 | EP0279317A1 X-ray diagnostic apparatus |
| 08/24/1988 | EP0279268A1 Proximity switch free from interferences by parasitic fields |
| 08/24/1988 | EP0163648B1 Electromagnetic radiation circuit element |
| 08/24/1988 | CN87216735U Infrared reflect switch |
| 08/23/1988 | US4766368 Capacitive sensor |
| 08/23/1988 | US4766335 Analog-digital hybrid integrated circuit |
| 08/17/1988 | EP0278916A2 Device for indicating the actuation of a key in electronic keyboards |
| 08/17/1988 | EP0278864A1 Cardiac pacer |
| 08/17/1988 | EP0278566A2 Circuit arrangement for the selective connection of signal sources to a signal collector |
| 08/17/1988 | EP0278432A1 Bridge arm with free-wheel diodes |
| 08/17/1988 | EP0278042A1 Switch status monitoring system, single wire bus, smart sensor arrangement therefor |
| 08/16/1988 | US4764729 Method of detecting abnormality in electromagnetic valve current controller |
| 08/16/1988 | US4764717 Touch-sensitive potentiometer for operator control panel |
| 08/16/1988 | US4764708 Touch control lamp socket interior |
| 08/16/1988 | US4764692 MOS power device usable both as an N-channel MOS transistor and as a P-channel MOS transistor |
| 08/16/1988 | US4764689 Sample-and-hold circuit arrangement |
| 08/16/1988 | US4764688 Output current darlington transistor driver circuit |
| 08/16/1988 | US4764686 Transistor base control circuit for high frequency operation |
| 08/16/1988 | CA1240735A1 Series connection of power transistors |
| 08/11/1988 | WO1988005978A1 Pre-drive circuit |
| 08/10/1988 | CN87215433U Delay-action switch for lighting lamp |
| 08/10/1988 | CN87213818U Unit assembly for contactless switching element |
| 08/10/1988 | CN87213102U Timing electric-economizing switch for corridor light |
| 08/10/1988 | CN87209602U Three-phase power contactless electronic switch |
| 08/10/1988 | CN87207229U Three-phase solid ac contactor |
| 08/09/1988 | US4763327 Distributed digital signal process multiplexer |
| 08/09/1988 | US4763220 Static switch circuit or device for the protected supply of a load, and its line |
| 08/09/1988 | US4763184 Input circuit for protecting against damage caused by electrostatic discharge |
| 08/09/1988 | US4763123 Signal selecting circuit for simultaneously performing plural input-output operations |
| 08/09/1988 | US4763021 CMOS input buffer receiver circuit with ultra stable switchpoint |
| 08/09/1988 | US4763017 Electronic bipolar interface circuit |
| 08/09/1988 | US4763016 Feedback control device for switching off a transistor |
| 08/04/1988 | DE3701985A1 Ballast electronics for an apparatus which can be energised by DC voltage |
| 08/04/1988 | DE3701799A1 Short-circuit-proof electronic switch |
| 08/03/1988 | EP0276776A2 Digital switching network for circuit and packet switching, and switching matrix element therefor |
| 08/03/1988 | EP0276703A2 Zero-crossing type thyristor |
| 08/03/1988 | CN87210914U Cmos integrated circuit audio controller |
| 08/03/1988 | CN87107983A Improved power supply for totem pole power switches |
| 08/02/1988 | US4761659 Temperature and aging compensated drive circuit in a semiconductor laser beam printer |
| 08/02/1988 | US4761647 Eprom controlled tri-port transceiver |
| 08/02/1988 | US4761603 High frequency oscillation proximity switch |
| 08/02/1988 | US4761582 Dual mode transducer |
| 08/02/1988 | US4761569 Dual trigger Hall effect I.C. switch |
| 08/02/1988 | US4761566 Input circuit for converting contact signal into a voltage signal |
| 08/02/1988 | US4761565 CCD clock driver circuit |
| 07/28/1988 | WO1988005577A1 Improvements in or relating to touch keypad systems |
| 07/28/1988 | DE3743453A1 Circuit arrangement for short-circuit protection of a semiconductor amplifier element |
| 07/27/1988 | EP0276113A2 Code device recognition system and access control system using such recognition system |
| 07/27/1988 | EP0275995A2 Open-drain MOSFET circuit |
| 07/27/1988 | EP0275587A1 Very high frequency electronic switch |
| 07/27/1988 | CN87212321U Auto delay turn-off switch |
| 07/26/1988 | US4760490 Proximity switch device |
| 07/26/1988 | US4760433 ESD protection transistors |
| 07/26/1988 | US4760363 High frequency signal switching system |
| 07/26/1988 | US4760326 Protective housing and mounting apparatus for capacitive-type proximity sensor |
| 07/26/1988 | US4760293 Combined bipolar and MOSFET switch |
| 07/26/1988 | US4760289 Two-level differential cascode current switch masterslice |
| 07/26/1988 | US4760288 Temperature compensation for semiconductor logic gates |
| 07/26/1988 | US4760285 Hall effect device with epitaxal layer resistive means for providing temperature independent sensitivity |
| 07/26/1988 | US4760283 Integrated circuit having power supply and ground nodes |
| 07/26/1988 | US4760281 Clock signal generating circuit |
| 07/26/1988 | US4759222 Pressure responsive switch |
| 07/26/1988 | CA1239690A1 Bistable solenoid control circuit |
| 07/20/1988 | EP0274725A2 Opto-electronic keyboard |
| 07/20/1988 | CN87214184U Time-delay power-saving switch |
| 07/19/1988 | US4758942 Turn-off control circuit for a gate turn-off thyristor |
| 07/19/1988 | US4758941 MOSFET fullbridge switching regulator having transformer coupled MOSFET drive circuit |
| 07/19/1988 | US4758830 Switch/display units |
| 07/19/1988 | US4758820 Semiconductor circuit |
| 07/19/1988 | US4758773 Switching device |
| 07/19/1988 | US4758743 Output buffer with improved di/dt |
| 07/19/1988 | US4758742 Shunt activated pulse generator |
| 07/19/1988 | US4758740 Circuit for compensating the temperature dependence of gate transit times |
| 07/19/1988 | US4758736 For producing an output voltage step |
| 07/19/1988 | US4758735 DC touch control switch circuit |
| 07/14/1988 | WO1988005228A1 Ttl compatible cmos input circuit |
| 07/14/1988 | DE3644533A1 Sensor head |
| 07/13/1988 | EP0273961A1 Method and apparatus for controlling the amount of magnetic flux imparted to a ferrimagnetic load. |
| 07/13/1988 | CN87203893U Automatic protected ultra-red photo-electric switch |
| 07/13/1988 | CN87105152A Tc trigger charging delay switch |
| 07/12/1988 | US4757528 Thermally coupled information transmission across electrical isolation boundaries |
| 07/12/1988 | US4757417 Monitoring system for load-driving switch circuits |
| 07/12/1988 | US4757341 AC contactless switch |
| 07/12/1988 | US4757213 Non-contact operating proximity switch |
| 07/07/1988 | DE3644777A1 Drive circuit for transistors in a Darlington arrangement |
| 07/06/1988 | EP0273574A1 Initial value setting system for an electronic device |
| 07/06/1988 | EP0273120A1 Multiplexor circuit |
| 07/06/1988 | CN85101062A Fast spark detector |
| 07/05/1988 | USH497 Ratioed power on reset circuit |
| 07/05/1988 | US4755741 Adaptive transistor drive circuit |
| 07/05/1988 | US4755707 Input device |
| 07/05/1988 | US4755697 Bidirectional output semiconductor field effect transistor |
| 07/05/1988 | US4755694 Integrated circuit Darlington transistor power stage incorporating various circuit components integrated on the same substrate |
| 07/05/1988 | US4755637 Proximity switch for detecting a piston position in a pressure cylinder |
| 07/05/1988 | US4754862 Coin discrimination apparatus |
| 07/05/1988 | CA1238948A1 Energy recovery snubber |
| 06/30/1988 | DE3644347A1 Method for operating a light-emitting diode |
| 06/30/1988 | DE3643970A1 Sensor device for railway systems |
| 06/29/1988 | EP0272955A1 MOS technique voltage-switching circuit |
| 06/29/1988 | EP0272937A2 Switching device |