Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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07/17/1979 | US4161659 Solid state proximity switch |
07/17/1979 | US4161063 Method of making a cathode for an electrochemical cell |
07/17/1979 | CA1058742A1 Solid state latching relay |
07/10/1979 | US4161022 Controllable rectifier circuit for a power supply |
07/10/1979 | US4160996 Switchable high voltage generator for penetration-type color CRT |
07/10/1979 | US4160923 Touch sensitive electronic switching circuit for electronic wristwatches |
07/10/1979 | US4160921 Thyristor control |
07/10/1979 | US4160920 Bistable element and a switch circuit comprising such a bistable element |
07/10/1979 | CA1058325A1 Enhancement-and depletion-type field effect transistors connected in parallel |
07/03/1979 | US4160176 Electronic watch |
07/03/1979 | US4160172 Circuit for controlling demands of high current load |
06/27/1979 | EP0002648A1 Stairway light time switch |
06/26/1979 | US4159512 DC to DC converter circuit |
06/26/1979 | US4159473 Charge sensitive switch |
06/26/1979 | US4159442 Circuit for lighting like candlelight |
06/26/1979 | US4159431 Electronic switch maintaining a predetermined state independent of supply voltage variation |
06/26/1979 | CA1057433A1 Control device |
06/26/1979 | CA1057202A1 Matrix switch having piezoelectric characteristics |
06/19/1979 | US4158866 Protection circuit for transistorized switch |
06/19/1979 | US4158803 Switching high voltage power supply |
06/12/1979 | US4158216 Capacitive touch control |
06/12/1979 | US4158150 Solid state relay with zero crossover feature |
06/12/1979 | US4158149 Electronic switching circuit using junction type field-effect transistor |
06/12/1979 | US4158117 Pressure sensitive switch |
06/05/1979 | US4157578 Dv/dt protection for solid state switches |
06/05/1979 | US4157539 Charge rate, capacitive switch system |
06/05/1979 | US4157481 Integral cycle switch synchronized to axis-crossing |
06/05/1979 | CA1056063A1 Self-checking read and write circuit |
05/29/1979 | US4156941 High speed semiconductor memory |
05/29/1979 | US4156936 Apparatus and method for improved operation of bubble devices |
05/29/1979 | US4156837 DC static switch circuit with power saving feature |
05/29/1979 | CA1055574A1 Logic driver circuit with output protection |
05/22/1979 | US4156191 Method and apparatus for adjusting the magnetic coupling between a Hall Effect switch and a permanent magnet |
05/22/1979 | US4156153 Electronic switch |
05/22/1979 | CA1055113A1 Solid state break-before-make base module and associated contact elements |
05/16/1979 | EP0001756A1 Circuit for reducing the turn-off time of a thyristor |
05/15/1979 | US4155017 Sharpening high power pulses |
05/15/1979 | US4155015 Light switch |
05/15/1979 | CA1054695A1 Article presence sensor |
05/08/1979 | US4153872 Crest firing means |
05/08/1979 | US4153870 Integral cycling relay |
05/08/1979 | US4153850 Circuit for producing a series of substantially square wave output signals |
05/08/1979 | CA1054218A1 Circuit arrangement for protecting thyristors |
05/02/1979 | EP0001722A2 Fast high voltage on-off switch with possibility of voltage regulation, load- and self- protection |
05/01/1979 | US4152607 Soft switch with rapid recovery circuit |
05/01/1979 | CA1053774A1 Touch actuated electronic switch including protection from potential electricity |
04/24/1979 | US4151515 Load control apparatus |
04/24/1979 | US4151444 Voltage switching circuit for a color display system |
04/24/1979 | US4151427 High-voltage zero-crossing detector |
04/24/1979 | US4151426 Security timer device |
04/24/1979 | US4151425 Voltage sequencing circuit for sequencing voltages to an electrical device |
04/24/1979 | US4151374 Bus connection detector circuit for bus connection matrix circuit |
04/17/1979 | US4150417 Fail-safe timing circuit |
04/17/1979 | US4150415 Energy conservation system |
04/17/1979 | US4150413 Transistor overload inhibit |
04/17/1979 | US4150361 Drive control for drive circuit of liquid crystal display |
04/17/1979 | US4150256 Digital multiplexer incorporating high-speed analog sampling gates |
04/17/1979 | US4149786 Camera exposure time control circuitry |
04/10/1979 | US4149098 A. C. Switching system |
04/10/1979 | US4149097 Waveform transition sensitive Josephson junction circuit having sense bus and logic applications |
04/10/1979 | CA1052279A1 Switching circuit utilizing the base storage characteristic of a transistor for use in a facsimile transceiver and the like |
04/03/1979 | US4148090 Apparatus for controlling an electromagnetic valve |
04/03/1979 | US4147990 Fast-recovery circuit |
04/03/1979 | US4147939 Electronic control system |
04/03/1979 | US4147233 Timing circuit for a chassis lubricator |
03/27/1979 | CA1051548A1 Low power, fast rise time current driver for inductive load |
03/20/1979 | US4145760 Memory device having a reduced number of pins |
03/20/1979 | US4145748 Self-optimizing touch pad sensor circuit |
03/20/1979 | US4145617 Control circuit for providing time selected application of A.C. power |
03/13/1979 | US4144552 Sequential timing circuitry |
03/13/1979 | US4144465 Self-resetting Josephson device circuit |
03/13/1979 | US4143941 Low loss optical data terminal device for multimode fiber guide optical communication systems |
03/07/1979 | EP0001001A1 A method of and apparatus for monitoring the operation of a motor vehicle |
03/06/1979 | US4143383 Controllable impedance attenuator having all connection contacts on one side |
03/06/1979 | US4143359 Decoder circuit |
03/06/1979 | US4143287 Photo coupling line isolation circuit |
03/06/1979 | US4142684 Pulse generator for intermittently energizing an actuating coil of a spray nozzle or the like |
03/06/1979 | CA1050123A1 Switching circuit |
03/06/1979 | CA1050108A1 Photoresponsive current limiting switching circuit |
02/27/1979 | US4142176 Series read only memory structure |
02/27/1979 | US4142116 Adaptive threshold circuit |
02/27/1979 | US4142115 Semiconductor device with a thermal protective device |
02/27/1979 | US4142114 Integrated circuit with threshold regulation |
02/27/1979 | CA1049628A1 Transistor driver circuit |
02/22/1979 | WO1979000087A1 Touch control switch |
02/21/1979 | EP0000857A1 Photoelectric control device |
02/20/1979 | US4141004 Solid state digital to analog converter |
02/20/1979 | US4140960 Current control circuit |
02/20/1979 | US4140930 Voltage detection circuit composed of at least two MOS transistors |
02/20/1979 | US4139935 Over voltage protective device and circuits for insulated gate transistors |
02/20/1979 | CA1049105A1 Electronic switch |
02/13/1979 | US4139906 Switch for fault tolerant bubble domain memory systems |
02/13/1979 | US4139880 CMOS polarity reversal circuit |
02/13/1979 | US4139837 Information entry system |
02/06/1979 | US4138736 One level switch for magnetic bubble domain devices |
02/06/1979 | US4138709 Proximity switch |
02/06/1979 | US4138690 Darlington circuit semiconductor device |
02/06/1979 | US4138615 Presettable integrating timing circuit |
02/06/1979 | US4138614 JFET switch circuit |
02/06/1979 | CA1048183A1 Four-level voltage supply for liquid crystal display |