H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking

Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
12/1992
12/29/1992	US5175443 Membrane switch
12/24/1992	DE4218658A1 Battery-powered hand-proximity sensing and control circuit - economises on current from rechargeable battery by employing primary sensor to trigger secondary sensor and driver
12/24/1992	DE4123828C1 Contactless proximity switch for machine mounting - has standard connector for transmission of program data e.g. from EEPROM to set parameters of device
12/24/1992	DE4121176A1 Switchable discharge circuit for power transistor - has discharge transistor in parallel to power one via collector-emitter path
12/24/1992	DE4120478A1 Control circuit for FET with floating source or drain - compares detected FET current with reference signal to control switch across FET gate and source
12/23/1992	WO1992022937A1 High isolation switch
12/23/1992	WO1992022864A1 A multipurpose optical intelligent key board apparatus
12/23/1992	EP0519332A2 Voltage regulator suitable for integration
12/23/1992	EP0519156A1 Ground loss protection device particularly for mos integrated circuits
12/23/1992	EP0519090A1 Ultrasonic proximity switch with synchronization equipment
12/23/1992	EP0519089A1 Loading of operational parameters for a ready-for-use proximity switch
12/23/1992	CN2125899U Electric light source program controller
12/23/1992	CN2125898U Infrared ray full-automatic lamp switch
12/23/1992	CN2125897U Touch type lamp switch
12/23/1992	CN2125889U Remoting appliance for multi-function electric fan
12/22/1992	US5173848 Motor controller with bi-modal turnoff circuits
12/22/1992	US5173627 Circuit for outputting a data signal following an output enable command signal
12/22/1992	US5173626 Flip-flop with scan path
12/20/1992	CA2068693A1 Battery-operated urinal/closet flush valve
12/17/1992	DE4118647A1 Integrated circuit initiator circuit using current reflector oscillator - has internal demodulator provided by voltage-current converter and controlled integration stage
12/16/1992	EP0518836A1 Driven shielding capacitive proximity sensor
12/16/1992	EP0518625A2 Waveform synthesizing circuit
12/16/1992	EP0517745A1 Electronic switch.
12/16/1992	EP0216816B1 Circuit for dissipating stored inductive energy
12/15/1992	US5172371 Packet routing arrangement
12/15/1992	US5172290 Gate-source protective circuit for a power mosfet
12/15/1992	US5172065 Evaluation circuit for a capacitive sensor
12/15/1992	US5172019 Bootstrapped FET sampling switch
12/15/1992	US5172018 Current control device particularly for power circuits in mos technology
12/15/1992	US5172012 Power-on clearing circuit in semiconductor IC
12/11/1992	CA2070883A1 Waveform synthesizing circuit
12/10/1992	WO1992022138A1 Switching arrangement with transistors
12/10/1992	DE4118148A1 Schalteranordnung mit transistoren Switch assembly with transistors
12/09/1992	EP0517441A1 Dynamic optical logic
12/09/1992	EP0517261A2 High power MOS device with protective circuit against overcurrent or the like
12/09/1992	EP0517216A2 Signal generator having switching function
12/09/1992	EP0517037A2 Serially connectable network configuration module
12/09/1992	EP0516848A1 Transistor saturation-preventing circuit
12/09/1992	CN2124529U Induction electronic flameproof switch
12/09/1992	CN2124528U Multipurpose electronic array controller
12/09/1992	CN1066945A Device and method for remote control electric equipment by human body action
12/08/1992	US5170312 Protection circuit on a lead of a power device
12/08/1992	US5170238 Switching element with organic insulative region
12/08/1992	US5170160 Broadband tree switch architecture for reducing pulse width narrowing and power dissipation
12/08/1992	US5170159 For turning off equipment of audio/visual signals
12/08/1992	US5170139 PIN diode switch
12/08/1992	US5170087 Electronic circuit for piezoelectric switch assembly
12/08/1992	US5170077 Voltage level detecting circuit
12/08/1992	US5170075 Sample and hold circuitry and methods
12/08/1992	US5170073 For providing digital output signals
12/08/1992	US5170059 Optically coupled fast turn off load switch drive
12/08/1992	US5170032 Radiation manufacturing apparatus and amendment
12/08/1992	CA1311270C Power mosfet gate driver circuit
12/07/1992	CA2070309A1 Driven shielding capacitive proximity sensor
12/03/1992	DE4217540A1 Telefon Phone
12/03/1992	DE4117727A1 Magnetically operated pulse source - has stationary Hall element and relatively displaced magnetically conductive profiled structure on opposite sides of magnetic device
12/03/1992	DE4117355A1 Position responsive switch for electrical appts. - using non-metallic, electrically-conducting liquid for bridging spaced electrodes in switched tube
12/02/1992	EP0515961A1 Circuit for controlling an AC
12/02/1992	EP0515820A1 BICMOS output driver
12/02/1992	CN2123840U Infrared sight-sensing switch
12/02/1992	CN2123805U Power timing switch for stereo display device
12/02/1992	CN1019344B Protective circuit of high-power darlington transistors
12/01/1992	US5168182 0-100% duty cycle, transformer isolated fet driver
12/01/1992	US5168175 Semiconductor integrated circuit using junction field effect transistor as current control element
12/01/1992	US5168154 Electrical avalanche photodiode quenching circuit
12/01/1992	CA1311021C Method and circuit for the reduction of the temperature dependency of the oscillating parameter of an oscillator
11/1992
11/25/1992	EP0515065A1 Bias start-up circuit
11/25/1992	EP0514980A1 Driving circuit of a power transistor with a base current being a given function of that of the collector
11/25/1992	EP0514845A2 Multiplexer circuit less liable to malfunction
11/25/1992	EP0514689A1 Ball switch for signal identification of one of the directions of inclination of a baseplane
11/25/1992	EP0514570A1 Electrical circuit arrangement with a component including an adjusting element
11/25/1992	CN2123154U Temp.-controller for electric-heating pots
11/25/1992	CN2123147U Energy-saving timing switch for electric rice pots
11/25/1992	CN2123146U Electronic time-delay switching
11/25/1992	CN1066557A Infrared remote controlling device for lamps and lanterns
11/24/1992	US5166919 Atomic scale electronic switch
11/24/1992	US5166857 Electronically tunable capacitor switch
11/24/1992	US5166852 Electronic circuit device for protecting electronic circuits from unwanted removal of ground terminal
11/24/1992	US5166760 Semiconductor Schottky barrier device with pn junctions
11/24/1992	US5166679 Driven shielding capacitive proximity sensor
11/24/1992	US5166559 Servo circuit having variable gain amplifier and temperature compensation characteristics
11/24/1992	US5166555 Drive circuit comprising a subsidiary drive circuit
11/24/1992	US5166553 Current mirror circuit employing depletion mode FETs
11/24/1992	US5166551 High speed output circuit without fluctuation for semiconductor integrated circuits
11/24/1992	US5166548 Zero differential switching system
11/24/1992	US5166546 Integrated circuit for generating a reset signal
11/24/1992	US5166545 Power-on-reset circuit including integration capacitor
11/24/1992	US5166544 Pseudo Darlington driver acts as Darlington during output slew, but has only 1 VBE drop when fully turned on
11/24/1992	US5166541 Switching apparatus with transient voltage cancellation
11/24/1992	US5166482 Detachable touch-control lamp switch
11/19/1992	EP0514064A2 Apparatus and method for eliminating false current limit triggering in a grounded source/emitter power switching circuit
11/19/1992	EP0513663A1 Simplified low-noise output buffer circuit
11/19/1992	EP0296193B1 Ttl compatible cmos input circuit
11/19/1992	DE4216177A1 Overcurrent protection device for power semiconductor - uses control signal amplifier with opto-coupler for voltage separation
11/18/1992	CN2122453U Electronic delayed self-turning off switch
11/17/1992	US5164872 Load circuit commutation circuit
11/17/1992	US5164659 Switching circuit
11/17/1992	US5164617 High speed bicmos logic circuit
11/17/1992	US5164615 Method and apparatus for zero temperature coefficient reference voltage devices
11/17/1992	US5164613 Reset monitor

1 ... 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 ... 532