Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
06/1982
06/22/1982CA1126350A1 Three state bus driver with protection circuitry
06/16/1982EP0053709A2 Circuitry for driving at least one power FET
06/15/1982US4335418 Electronic interrupter
06/15/1982CA1125871A1 Gated back-clamped transistor switching circuit
06/09/1982EP0053526A1 Switch with pulse control for breaking and for closing, and its integration
06/09/1982EP0053113A1 Control circuitry using two branch circuits for high-voltage solid-state switches.
06/08/1982US4334219 Operation setting device having stationary touch-sensitive control elements
06/08/1982US4334204 Proximity switch assembly
06/08/1982US4334184 Electronic sensor on/off switch
06/08/1982US4334183 Electronic sensor on/off switch
06/08/1982US4334158 Superconducting switch and amplifier device
06/08/1982CA1125361A1 Electrically actuated time delay device
06/02/1982EP0053028A1 Semiconductor switch
06/02/1982EP0052883A1 Auxiliary switching means
06/02/1982EP0052685A1 Touch switch device
06/02/1982EP0052633A1 Optically switched device.
06/01/1982US4333137 Thyristor switch with transient protection and RF interference suppression
06/01/1982US4333120 Transistor protection circuit
06/01/1982US4333048 Thyristor control circuits
06/01/1982US4333019 Silicon controlled rectifier trigger circuit
06/01/1982US4332606 Ware identifying apparatus for glassware machines and the like
06/01/1982CA1124819A1 Power control for vibratory feeder
05/1982
05/26/1982EP0052185A2 Electronic two-hand safety device for tools
05/25/1982US4331950 Broad band switching network
05/25/1982US4331914 Load control and switching circuits
05/25/1982US4331890 Touch switch
05/25/1982US4331887 Current switch driving circuit arrangements
05/25/1982US4331885 Gate circuit
05/25/1982CA1124398A1 Serrated y-bar magnetic bubble switch
05/25/1982CA1124382A1 Adjustable time delay relay
05/25/1982CA1124363A1 Electronic accelerator pump timing control
05/18/1982US4330820 Circuit for forming periodic pulse patterns
05/18/1982US4330719 Circuit using insulated-gate field-effect transistors
05/18/1982CA1123944A1 Control system using an alternating current contactor and a direct current operated interposing relay
05/18/1982CA1123912A1 Apparatus for firing series-connected thyristors
05/13/1982WO1982001630A1 Proximity switch
05/11/1982US4329730 D.C. Switch circuit
05/11/1982US4329705 VMOS/Bipolar power switching device
05/11/1982US4329652 Apparatus for synchronization control of a plurality of inverters
05/11/1982US4329581 Ambient light sensor touch switch system and method
05/05/1982EP0050915A1 System for remotely controlling a load
05/05/1982EP0050914A1 Electronic interrupter
05/04/1982US4328538 Switching arrangement to protect a component against overcurrent due to magnetic saturation of an inductor
05/04/1982US4328528 Two-wire condition control circuit means
05/04/1982US4328441 Output circuit for piezoelectric polymer pressure sensor
05/04/1982US4328433 Proximity switch
05/04/1982US4328419 Photo-electric detector with temperature-compensated circuit
05/04/1982US4327693 Solenoid driver using single boost circuit
05/04/1982CA1123064A1 Optically coupled field effect transistor switch
04/1982
04/29/1982WO1982001450A1 Direct-current brake control circuit
04/29/1982EP0053113A4 Control circuitry using two branch circuits for high-voltage solid-state switches.
04/28/1982EP0050417A1 Circuit arrangement including an opto-isolator device for checking the state of an electric switch
04/28/1982EP0050254A2 Electronic time element
04/27/1982US4327328 Programmable timing circuit
04/27/1982US4327253 Circuit arrangement for consecutively monitoring operating conditions of direct current devices
04/27/1982CA1122663A1 Protection circuit for transistorized switch
04/21/1982EP0049795A2 Electronic switching device operated without contact
04/21/1982EP0049794A2 Electronic switching device operated without contact
04/21/1982EP0049793A2 Contactless electronic switching device
04/20/1982US4326136 Threshold circuit using complementary field effect transistors
04/20/1982CA1122331A1 High power amplifier/switch using gated diode switch
04/20/1982CA1122314A1 Fail-safe timing circuit
04/14/1982EP0049640A2 A line driver circuit
04/14/1982EP0049457A2 Alarm pull station
04/13/1982US4325102 Variable capacitor for use in a keyboard
04/13/1982US4325101 Vital electronic time delay circuit
04/13/1982US4324991 Voltage selector circuit
04/13/1982US4324989 Solid-state relay
04/13/1982US4324182 Apparatus and method for selectively activating plural electrical loads at predetermined relative times
04/13/1982CA1121889A1 Vend control system
04/07/1982EP0048838A1 Circuit arrangement for load-proportional regulation of the control current of the emitter-connected output stage transistor of a transistor amplifier
04/07/1982EP0048789A1 Superconducting soliton device
04/07/1982EP0048758A1 Field effect transistor circuit configuration
04/06/1982US4323984 Switching equipment using magnetic domains
04/06/1982US4323799 Impulse activated time delay self-restoring switch
04/06/1982US4323796 Low transient feedthru FET sample and hold gate
04/06/1982US4323793 Thyristor having widened region of temperature sensitivity with respect to breakover voltage
04/06/1982US4323789 Sequencer for power supply voltages
04/06/1982US4323774 Circuit for reflective mode optical reader
04/06/1982US4322983 Method for generating electric signals and a push-button switch means therefor
03/1982
03/31/1982EP0048513A2 Switchable analogue signal inverter
03/30/1982US4322785 Transistor switching circuit
03/30/1982US4322770 Latch-up prevention circuit for power output devices using inductive loads
03/30/1982US4322769 Electric switch operation monitoring circuitry
03/30/1982US4322767 Bidirectional solid-state protector circuitry using gated diode switches
03/30/1982US4322718 Sound-activated rotary device
03/30/1982US4322637 Solid state switch
03/30/1982US4322632 Remote load selector
03/30/1982US4322631 Implemental means for a touch control system
03/30/1982CA1121076A1 High voltage switch and capacitive drive
03/24/1982EP0048146A1 Solid state optically coupled electrical switch
03/24/1982EP0015965B1 Device for controlling the closure of folding doors
03/23/1982US4321687 Timing pulse generation
03/23/1982US4321515 Tape recorder control system
03/23/1982US4321490 Transistor logic output for reduced power consumption and increased speed during low to high transition
03/23/1982US4321485 High-frequency transistor switch
03/23/1982US4321480 Positive differential alternating current switching means
03/23/1982US4321479 Touch activated controller and method
03/23/1982CA1120558A1 Switching device
03/17/1982EP0047614A2 Circuit for controlling an electromagnet