Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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05/16/1984 | EP0108603A2 Field effect transistor gate circuit for switching analog signals |
05/16/1984 | EP0108391A2 Optically controlling apparatus |
05/16/1984 | EP0108283A2 Electronic switch |
05/15/1984 | US4449162 Drive circuit |
05/15/1984 | US4449161 One shot firing circuit for power tools |
05/15/1984 | US4449158 Input protection circuit for MIS transistor |
05/15/1984 | US4449067 Low power, process and temperature insensitive FET bias circuit |
05/15/1984 | US4449066 Buffer circuit for generating output signals having short recovery time |
05/15/1984 | US4448074 Soft-switching audiometer |
05/15/1984 | CA1167525A1 Load control and switching circuits |
05/08/1984 | US4447849 Electromagnetic control circuit |
05/08/1984 | US4447798 Processor select switch |
05/08/1984 | US4447746 Digital photodetectors |
05/08/1984 | US4447744 Control circuitry for high voltage solid-state switches |
05/08/1984 | US4447704 Semiconductor device for driving thermal print heads |
05/08/1984 | CA1167102A1 D.c. switch circuit |
05/08/1984 | CA1167100A1 Device for compensating the reactive electrical energy in a network |
05/03/1984 | EP0044342A4 Pressure sensitive piezoelectric polymer signal generator. |
05/02/1984 | EP0107359A2 Alternating current limiting type semiconductor current circuit breaker |
05/02/1984 | EP0107318A1 Solid state keyboard |
05/02/1984 | EP0107137A1 A semiconductor switching circuit with an overcurrent protection |
05/02/1984 | EP0107028A2 Circuit arrangement with a transistor output circuit and a protection circuit for limiting the output current of the transistor output circuit |
05/01/1984 | US4446552 Wideband switch crosspoint and switching matrix |
05/01/1984 | US4446513 DC/AC Bridge inverter including a switching aid and inductive energy recovery circuit |
05/01/1984 | US4446390 Low leakage CMOS analog switch circuit |
05/01/1984 | US4446387 MOS Inverter-buffer circuit having a small input capacitance |
05/01/1984 | US4446382 Arrangement to time separate bidirectional current flow |
05/01/1984 | US4446381 Circuit and technique for initializing the state of bistable elements in an integrated electronic circuit |
04/26/1984 | WO1984001659A1 Selectively operable electrical connection circuit |
04/25/1984 | EP0106119A1 Remotely operable switch |
04/25/1984 | EP0106059A1 Semiconductor switch with a gate turn-off thyristor |
04/24/1984 | US4445055 Circuit arrangement for controlling a power field-effect switching transistor |
04/24/1984 | CA1166359A1 Gated diode switch |
04/24/1984 | CA1166335A1 Dashboard with inlaid contacts |
04/24/1984 | CA1166309A1 Thyristor valve for a high voltage convertor |
04/24/1984 | CA1166308A1 Single-ended switching converter |
04/18/1984 | EP0105780A2 Boost voltage generator |
04/18/1984 | EP0105697A1 Electrical timing control switch |
04/18/1984 | EP0105307A1 Electric switch device with an actuator key comprising a non-galvanically coupled indicator display |
04/18/1984 | EP0105287A1 Contact-free keyboard |
04/17/1984 | US4443773 Switching network for megahertz frequency signals |
04/17/1984 | US4443719 Voltage isolated gate drive circuit |
04/17/1984 | US4443716 Symmetrical-hysteresis Hall switch |
04/17/1984 | US4443714 Semiconductor buffer circuit having compensation for power source fluctuation |
04/17/1984 | US4443712 Switch device for connecting AC power source to load |
04/17/1984 | US4443275 Soldewring, filling synthetic plates |
04/10/1984 | US4442480 Protective circuit for thyristor controlled systems and thyristor converter embodying such protective circuit |
04/10/1984 | US4442411 Circuit for the load-proportional adjustment of the driving current of a single-ended output transistor of a transistor amplifier, operated in a common-emitter circuit |
04/10/1984 | CA1165425A1 Process control method and apparatus |
04/10/1984 | CA1165423A1 Capacitive keyswitch with overtravel mechanism on moveable plate |
04/10/1984 | CA1165408A1 Comparator |
04/04/1984 | EP0104999A2 Gain switching device with reduced error for watt meter |
04/04/1984 | EP0104956A2 Keyboard |
04/04/1984 | EP0104925A2 Semiconductor device, for example, for a thermal head for a printer |
04/04/1984 | EP0104851A1 Bi-directional driver system for electrical load |
04/04/1984 | EP0104827A1 Space bar for low profile keyboards |
04/04/1984 | EP0104390A1 Gate turn-off thyristor |
04/04/1984 | EP0104168A1 Optical keyboard with common light transmission members. |
04/03/1984 | US4441136 Switching circuit |
04/03/1984 | US4441068 Bipolar linear current source driver amplifier for switching loads |
04/03/1984 | US4441035 CMOS Turn-on circuit |
04/03/1984 | US4441034 Contact-controlled capacitive switching apparatus |
04/03/1984 | CA1164961A1 Transistor protection circuit |
03/28/1984 | EP0104148A2 Apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like |
03/28/1984 | EP0103950A2 Method of protecting a thyristor switch of a pulse generator for an electrostatic precipitator |
03/28/1984 | EP0103670A1 High resolution superconductive sampling circuit |
03/27/1984 | US4439638 Sound-activated code-controlled detection system for telephones and the like |
03/21/1984 | EP0103182A1 Device for monitoring the valves of a power converter of an alternating voltage power converter |
03/21/1984 | EP0103179A1 Semiconductor switch with a gate turn-off thyristor and a turn-off current path |
03/20/1984 | US4438487 Digital phase-shifting circuit |
03/20/1984 | US4438486 For providing stress relief to a first controllable semiconductor switch |
03/20/1984 | US4438472 Active arc suppression for switching of direct current circuits |
03/20/1984 | US4438357 Level sensitive reset circuit for digital logic |
03/20/1984 | US4438356 Solid state relay circuit employing MOSFET power switching devices |
03/20/1984 | US4438349 Hysteresis circuit having a stable output free from noise superposed on input signal |
03/20/1984 | US4438345 Transistor pulse drive control circuit |
03/15/1984 | WO1984001068A1 A pulse code modulated digital automatic branch exchange |
03/14/1984 | EP0102618A2 Memory circuit with power supply voltage detection means |
03/14/1984 | EP0102442A2 Active arc suppression circuit for direct current switches |
03/13/1984 | US4437096 Concentrator circuit incorporating solid state bilateral bridge arrangement |
03/13/1984 | US4437022 Monolithically integrated push-pull driver |
03/13/1984 | US4437021 Line driver circuit |
03/13/1984 | US4436436 Detection circuit for an electronic timepiece |
03/13/1984 | CA1163727A1 Superconducting soliton devices |
03/07/1984 | EP0101947A1 Driving circuit |
03/07/1984 | EP0101853A2 Arrangement for delivering galvanically isolated signals for a control system |
03/07/1984 | EP0101751A1 Transistor power amplifier with reduced switching periods |
03/06/1984 | US4435827 Read clock pulse controller |
03/06/1984 | US4435656 Phase inverter circuit |
03/06/1984 | US4435652 Threshold voltage control network for integrated circuit field-effect trransistors |
03/06/1984 | US4435651 Zero voltage switch |
03/06/1984 | US4435634 Circuitry for driving electrodes in selected combinations |
03/06/1984 | US4435090 Static pick-up for timepiece |
02/29/1984 | EP0101643A2 Constant current sources for field contact inputs |
02/29/1984 | EP0101543A2 Switching light barrier |
02/28/1984 | US4434379 Inverter using low-threshold-voltage field-effect transistors and a switching diode, formed as an integrated circuit |
02/28/1984 | US4434363 Photoelectric switching apparatus |
02/28/1984 | CA1162977A1 Thyristor-switched capacitor apparatus |
02/22/1984 | EP0101017A2 Electronic timing switch |
02/21/1984 | US4433362 Remotely controllable illumination apparatus |