Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
09/1982
09/14/1982CA1131703A1 Semiconductor switch
09/08/1982EP0059537A2 Switching circuit
09/08/1982EP0059271A1 Method and device for the generation of a gatepulse for the ignition of a main thyristor
09/07/1982US4348701 Mode switching circuit
09/07/1982US4348602 Current comparator circuit with deadband
09/07/1982US4348598 Power-pulse switching circuit
09/07/1982CA1131319A1 Conduction limit protection arrangement for power transistor switch
08/1982
08/31/1982US4347448 Buffer circuit for semiconductor memory
08/31/1982US4347445 Floating hybrid switch
08/31/1982US4347439 Level-shift and pulse shaping circuitry
08/31/1982US4347437 Light activated switching by the avalanche effect in semiconductors
08/31/1982CA1130902A1 Apparatus for switching high voltage pulses with picosecond accuracy_
08/31/1982CA1130873A1 Pulse signal amplifier
08/25/1982EP0058509A2 Semiconductor circuit for driving clock signal line
08/25/1982EP0058446A1 Wideband signal distribution
08/25/1982EP0058401A2 High frequency switching circuit
08/25/1982EP0058400A2 High frequency switching circuit
08/25/1982EP0058399A2 High frequency switching circuit
08/25/1982EP0058243A2 Integrated digital semiconductor circuit
08/24/1982US4346427 Control device responsive to infrared radiation
08/24/1982US4346381 Broad band coupling arrangement
08/24/1982US4346376 Touch position sensitive surface
08/24/1982US4346330 Laser generated high electron density source
08/24/1982US4346315 Switched delay line for steerable null antenna system
08/24/1982US4346313 Monolithic integrated threshold switch
08/24/1982US4346312 Integrated semiconductor current driver circuitry
08/24/1982US4346311 Pulse generator circuit
08/24/1982US4346310 Voltage booster circuit
08/24/1982US4346309 Controllable rectifier circuit
08/24/1982US4346308 DC Switching circuit with current through resistive load below holding current of triac strings to charge capacitive load to predetermined potentials
08/24/1982CA1130435A1 Protector circuit for solenoid operator
08/24/1982CA1130381A1 Electronic selector switch, particularly for telemetrical use in radio sondes
08/24/1982CA1130372A1 Compensated dual injector driver
08/19/1982WO1982002808A1 Gating circuit
08/19/1982WO1982002794A1 Driver circuit for use with inductive loads or the like
08/18/1982EP0057993A2 Coffee maker
08/18/1982EP0057972A2 A device for detecting a metal strip embedded in paper
08/17/1982US4345164 Transistor switch with two control inputs
08/17/1982US4345163 Control circuitry for high voltage solid-state switches
08/11/1982EP0057520A2 A device for detecting a magnetic strip embedded in paper
08/11/1982EP0057446A1 Surveying instrument having measuring mode selecting switch means
08/11/1982EP0057239A1 Monolithic integrated push-pull driver circuit
08/10/1982US4344071 Light switching mechanism
08/10/1982US4344003 Low power voltage multiplier circuit
08/05/1982WO1982002630A1 Comparator
08/05/1982WO1982002536A1 Proximity detector circuitry especially for lift doors
08/04/1982EP0057025A2 Switching circuit
08/04/1982EP0056949A1 Matrix coupling field for megahertz signal frequencies
08/03/1982US4342956 Proportional base drive circuit
08/03/1982US4342927 CMOS Switching circuit
08/03/1982US4342925 Circuit arrangement for interruption-free voltage switching
08/03/1982US4342924 Nonhysteretic Josephson junction circuits with feedback
08/03/1982CA1128996A1 Gate circuit for a gate turn-off thyristor
07/1982
07/28/1982EP0056464A2 Pulsive noise removing apparatus
07/27/1982US4342065 Protection circuit for a data driver
07/22/1982WO1982002463A1 Circuit for detecting loss of supply voltage
07/21/1982EP0056294A2 Condition sensing arrangement for A.C. machines
07/21/1982EP0056191A2 Integrated injection logic
07/20/1982US4340922 Interface circuit in conformity with EIA standards and implemented with an operational amplifier-like circuit
07/20/1982US4340851 Powerless starting circuit
07/20/1982US4340813 Switch panel with touch switches
07/20/1982CA1128149A1 Circuit arrangement for a monolithic integrated threshold switch
07/20/1982CA1128127A1 Automatic control device
07/14/1982EP0055944A1 Matrix switching system
07/14/1982EP0055943A1 Transfer bus matrix switching system
07/14/1982EP0055941A1 Inverter power supply capable of operation at high frequencies
07/14/1982EP0055912A2 A switch assembly multiplexing system
07/14/1982EP0055816A1 Electric switch operation monitoring circuitry
07/14/1982EP0055795A1 Fast MOS driver circuit for digital signals
07/13/1982US4339671 Proportional base drive circuit
07/13/1982US4339670 Zero voltage switching AC relay circuit
07/13/1982US4339669 Current ramping controller circuit
07/13/1982US4339011 Non-deflection pressure switch apparatus
07/13/1982CA1127724A1 Switching circuit with mos field effect transistor
07/08/1982WO1982002301A1 Electronic switch
07/08/1982WO1982002270A1 Control device responsive to infrared radiation
07/08/1982WO1982002262A1 Solid state current sensing circuit
07/07/1982EP0055673A2 Proximity detector apparatus of the two-terminal type supplied with rectified alternating current under a voltage variable over a large scale with load control by switching thyristors
07/07/1982EP0055672A1 Proximity detector apparatus of the two-terminal type comprising a supply circuit of rectified alternating current and a load control circuit with switching thyristors
07/07/1982EP0055644A1 MOS transistor with bipolar operation in saturation
07/07/1982EP0055601A2 Buffer circuit
07/07/1982EP0055552A2 Input protection circuit for an MIS transistor
07/07/1982EP0055375A2 Push-pull driver circuit with reduced interference voltage generation
07/07/1982EP0055341A2 Current controlled gate
07/06/1982US4338656 Voltage polarity switching circuit
07/06/1982US4338649 System for remotely controlling a load
07/06/1982US4338546 Liquid level detection circuit for control of liquid level responsive device
06/1982
06/30/1982EP0055136A2 A semiconductor buffer circuit
06/30/1982EP0054644A1 Photo-optical keyboard having light attenuating means
06/30/1982EP0054622A1 A one-way bubble transfer switch
06/29/1982US4337494 Automatic bias-controlled VMOS/bipolar dual-triggered switch
06/29/1982US4337436 Blanking wave generator for binary code synchronizing system
06/29/1982US4337404 Apparatus for firing series-connected thyristors
06/29/1982CA1126834A1 Electrical keyswitch
06/24/1982WO1982002115A1 Electronic device for the energization of an electromagnetic element
06/23/1982EP0054306A1 Capacitive touch switch for electrical domestic appliances
06/22/1982US4336564 Solenoid control circuit
06/22/1982US4336491 Electronic monitoring system stabilized against accidental triggering
06/22/1982US4336467 Voltage detector
06/22/1982US4336424 Circuit arrangement for monitoring operating conditions of direct current devices