Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
03/1988
03/29/1988CA1234600A1 Power on/off reset generator
03/24/1988WO1988002210A1 Electrical isolation device
03/24/1988WO1988002123A1 Integrated circuits
03/24/1988DE3630775A1 MOSFET-type high-voltage switch with extremely short switching time
03/23/1988CN87203847U Magneto-electric sparkless flame-proof switch
03/23/1988CN87201926U Metal induction electronic switch
03/22/1988US4733326 Protective arrangement for an electromagnetic load
03/22/1988US4733222 Capacitance-variation-sensitive touch sensing array system
03/22/1988US4733214 Multi-directional controller having resiliently biased cam and cam follower for tactile feedback
03/22/1988US4733153 Switching system for capacitor charging/discharging
03/22/1988US4733108 On-chip bias generator
03/22/1988US4733106 Capacitive load driving device
03/22/1988US4733105 CMOS output circuit
03/22/1988US4733103 Light sensitive switching circuit
03/22/1988US4733100 Automatic on/off circuit with time delay
03/22/1988US4733058 Fail transistor detection and display system for electrical discharge machining apparatus
03/22/1988US4732445 Electrooptical directional coupler with traveling wave and alternating phase shift
03/22/1988US4732238 Obstacle detection system for automatically controlled elevator doors
03/16/1988EP0260061A2 MOS-gated transistor
03/16/1988EP0260033A2 Semiconductor integrated circuits
03/16/1988CN86208635U Inducing switch sensible to body accessing
03/15/1988US4731756 Reversible electrochemical redox system
03/15/1988US4731691 Safety circuit for detecting asymmetry in thyristor load currents
03/15/1988US4731591 Inductive proximity switch having switched capacitor for controlling hysteresis
03/15/1988US4731552 Boost signal generator with bootstrap means
03/15/1988US4731548 Touch control switch circuit
03/15/1988US4731528 Failsafe logic circuit wherein the phototransistor of a preceding optocoupler is connected in series with the photodiode of a succeeding optocoupler
03/10/1988WO1988001804A1 On-off detecting circuit
03/10/1988WO1988001394A3 Proximity detectors
03/10/1988DE3629349A1 Triggerable pulse generator
03/10/1988DE3629186A1 Power output stage
03/09/1988EP0258363A1 Improvements to optical scanning keyboards.
03/08/1988US4730132 Semiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power source
03/08/1988US4730123 Circuit for driving a capacitive load which provides low current consumption
03/03/1988DE3723581A1 Low-loss circuit arrangement for reducing the turn-off losses of bipolar switching transistors
03/03/1988DE3629501A1 Ignition circuit for internal combustion engines
03/02/1988EP0257724A2 Three-electrode sensor for phase comparison and pulse phase adjusting circuit for use with the sensor
03/02/1988EP0257139A1 A control mechanism
03/02/1988EP0257055A1 Signal compensation circuits
03/02/1988EP0159988B1 Signal transmitter
03/02/1988CN87207558U Domestic light-control switch for electric apparatus
03/02/1988CN86206504U Sound-control timing controller for illumination
03/01/1988US4729056 Solenoid driver control circuit with initial boost voltage
03/01/1988US4729007 Merged bipolar/field-effect transistors
03/01/1988US4728932 Detector for capacitive sensing devices
03/01/1988US4728931 Charge redistribution capacitance detection apparatus
03/01/1988US4728829 Timer circuit
03/01/1988US4728826 MOSFET switch with inductive load
03/01/1988US4728825 Bidirectional MOS linear switch
03/01/1988US4728819 Switching network
03/01/1988US4728817 Power transistor drive circuit
03/01/1988US4728815 Data shaping circuit
03/01/1988US4728809 Pulse circuit for switching a grid electrode of an electron beam generator
02/1988
02/25/1988WO1988001394A2 Proximity detectors
02/24/1988EP0256426A1 Device for the continuation of the blocking state of a GTO thyristor
02/24/1988EP0256004A1 Proximity sensing device
02/24/1988CN87104538A Improved scr priming and sweep-out circuit
02/24/1988CN86203312U Light-controlled timer
02/23/1988US4727465 Drive circuit for N-channel power MOS transistors of push-pull stages
02/23/1988US4727272 Drive-interface for a static electronic switch with controlled "off"
02/23/1988US4727265 Semiconductor circuit having a current switch circuit which imparts a latch function to an input buffer for generating high amplitude signals
02/23/1988US4727264 Fast, low-power, low-drop driver circuit
02/18/1988DE3627069A1 Monostable flip flop
02/18/1988DE3627017A1 High-voltage semiconductor contactor
02/18/1988DE3627006A1 Schaltungsanordnung zur ansteuerung eines elektrischen verbrauchers Circuit arrangement for driving an electrical load
02/17/1988CN87209476U Audio control and power-saving corridor lamp receptacle
02/17/1988CN85105050B Solid-state electronic relay
02/16/1988US4725912 Power MOS loss of ground protection
02/16/1988US4725813 MOS type circuit device
02/16/1988US4725769 Current limited for constant current for switching driving devices
02/16/1988US4725747 Integrated circuit distributed geometry to reduce switching noise
02/16/1988US4725741 Drive circuit for fast switching of Darlington-connected transistors
02/12/1988EP0245473A4 Drive circuit for fast switching of darlington-connected transistors.
02/11/1988WO1988001108A1 Driving circuit for an electric consumer
02/11/1988WO1988001077A1 Universal solid state power controller
02/10/1988EP0255589A2 A wireable circuit cell for a vlsi circuit
02/09/1988US4724341 CMOS decoder circuit resistant to latch-up
02/09/1988US4724340 Output circuit in which induced switching noise is reduced by presetting pairs of output lines to opposite logic states
02/09/1988US4724335 Relay authorizing or interrupting the flow of a current in a load circuit and application of this relay to a load circuit in which flows a random direction current or an alternating current
02/09/1988CA1232654A1 Control circuit for use with air-diverter valve of internal combustion engine
02/03/1988EP0255330A2 Slow-start system for a control circuit
02/03/1988EP0255067A1 Current limitation circuit arrangement
02/03/1988EP0254966A2 Flat keyboard
02/03/1988CN87203806U Acoustooptic controlling time delay switch
02/02/1988US4723188 Permanent magnet surge arrestor for DC power converter
02/02/1988US4723081 CMOS integrated circuit protected from latch-up phenomenon
02/02/1988US4722695 Pressurized water-proof connection for an electrical cable
02/02/1988US4722372 Electrically operated dispensing apparatus and disposable container useable therewith
02/02/1988CA1232369A1 Semiconductor device having combined bipolar transistor and mosfet
01/1988
01/28/1988WO1988000770A1 Final stage of a bridge circuit
01/28/1988DE3623439A1 Electrical protection circuit
01/27/1988EP0254406A2 Switching circuit for clock signals
01/27/1988EP0254214A1 Integrable circuit for level conversion
01/27/1988EP0254011A2 Adjustable impedance driver network
01/27/1988EP0253810A1 Electromagnetic radiation circuit element
01/27/1988CN87207037U Intermitent supply self-conversion socket
01/26/1988US4721986 Bidirectional output semiconductor field effect transistor and method for its maufacture
01/26/1988US4721871 High voltage MOS switch circuit with isolation
01/26/1988US4721869 Protection circuit for an insulated gate bipolar transistor utilizing a two-step turn off
01/26/1988US4721866 CMOS current switching circuit