Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › 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)
06/1983
06/28/1983CA1149018A1 Alternating polarity power supply control apparatus
06/28/1983CA1148996A1 Solid state touch control snap switch
06/22/1983EP0082071A1 Device for the commutation of a DC voltage source with at least a controlled switch, and commutation aid circuit for such a device
06/22/1983EP0081917A1 Programmable multiplexer
06/21/1983US4389583 Capacitance switch detection circuitry
06/21/1983US4389579 Sample and hold circuit
06/21/1983CA1148619A1 Induction cook top with an electronic digital processor controlled touch panel
06/21/1983CA1148589A1 Sensitive door edges
06/15/1983EP0081424A1 Radio receiver with a fully electronic control arrangement
06/14/1983US4388571 Control circuit for automobile electro-magnetic driving equipment
06/14/1983US4388538 Delay signal generating circuit
06/14/1983US4388528 Photoelectronic apparatus
06/14/1983US4388527 Photoelectric switch
06/14/1983CA1148275A1 Optically controllable static induction thyristor device
06/14/1983CA1148268A1 Superconducting switch and amplifier device
06/09/1983WO1983002039A1 Photocoupler
06/08/1983EP0080874A2 Error prevention in TTL circuits
06/08/1983EP0080740A2 Circuit arrangement for switching power circuits by using high-voltage MOS transistors
06/08/1983EP0080732A2 Semiconductor analog switch circuit using MOS transistors
06/08/1983EP0080613A1 Touch-controlled capacitive switching device
06/08/1983EP0080462A1 Semiconductor switching circuit for an inductive Load.
06/07/1983US4387367 Optical keyboard
06/07/1983CA1147868A1 Program controlled capacitive keyboard sensing system
05/1983
05/31/1983US4386285 Digitally controllable analog switch
05/31/1983US4386283 Process for the cutting-off of a thyristor
05/31/1983US4386281 Circuit for detecting loss of supply voltage
05/31/1983CA1147475A1 Decoder circuit
05/31/1983CA1147404A1 Optically triggered linear bilateral switch
05/26/1983WO1983001880A1 Programmable multiplexer
05/26/1983WO1983001874A1 Circuit for reducing current to light emitting diode of optically coupled driver
05/25/1983EP0079711A2 Touch sensitive switches
05/24/1983US4385337 Circuit including an MOS transistor whose gate is protected from oxide rupture
05/24/1983US4385245 MOS Power-on reset circuit
05/24/1983US4385244 Extraneous signal separating device
05/24/1983US4385243 Automatic reset circuit
05/24/1983US4384716 Flipper control circuit
05/24/1983US4384633 Perforated acoustic transport member
05/18/1983EP0079130A1 Reactive snubber for inductive load clamp diodes
05/17/1983US4384287 Inverter circuits using insulated gate field effect transistors
05/17/1983US4384216 Controlled power performance driver circuit
05/17/1983CA1146639A1 Control circuitry using a pull-down transistor for high voltage solid-state switches
05/11/1983EP0078676A1 Touch sensing device
05/11/1983EP0078600A1 Channel charge compensation switch with first order process independence
05/11/1983EP0078511A2 Electronic proximity switch
05/11/1983EP0078490A2 FET driver circuit with an output shorting protection feature
05/10/1983US4383292 Single-ended switching converter
05/10/1983US4383248 Latchable fast settling digital to analog converter bit switch
05/10/1983US4383185 Switchable analog signal inverter
05/04/1983EP0078096A2 Sheet measuring apparatus
05/03/1983US4382192 Self-quenching circuit
04/1983
04/26/1983US4381446 Photoelectric switch
04/20/1983EP0076962A1 Circuit arrangement for controlling power transistors
04/19/1983US4380795 Base drive circuit for a four-terminal power Darlington
04/19/1983US4380721 Proximity switch
04/19/1983US4380707 Transistor-transistor logic input buffer circuit with power supply/temperature effects compensation circuit
04/19/1983US4380705 Digital semiconductor circuit
04/19/1983US4380121 Electric shaver
04/12/1983US4380040 Capacitive systems for touch control switching
04/12/1983US4380007 Proximity switch
04/12/1983US4379968 Photo-optical keyboard having light attenuating means
04/12/1983CA1144640A1 Pulse generator using read head with wiegand wire
04/06/1983EP0076005A1 Analogue current switch in bipolar technology
04/06/1983EP0075656A1 Electronic overcurrent protective device
04/05/1983US4379287 Capacitive switch and panel
04/05/1983US4379269 RF Amplifier having automatic gate bias switching in response to band selection
04/05/1983US4379245 Manually operable rotary pulse generating apparatus for pulse counting and similar applications
04/05/1983US4379238 Integrated signal processing circuit
04/05/1983CA1143954A1 Timer circuit
03/1983
03/31/1983WO1983001157A1 Efficient current modulator useful with inductive loads
03/30/1983EP0075129A2 Voltage dropping or voltage increasing electronic circuit
03/30/1983EP0075112A2 Switching apparatus, in particular an electronic switching apparatus operating without contact, with a cylindrical casing
03/30/1983EP0075086A2 Circuit arrangement with a switching apparatus and an error indicator
03/29/1983US4378586 Protective circuitry for semiconductor switches
03/29/1983US4378580 Conduction limit protection arrangement for power transistor switch
03/29/1983US4378552 Acoustic encoding apparatus
03/29/1983US4378504 Proximity switch
03/29/1983US4378503 Automotive backlight heater and timing control means
03/23/1983EP0074927A2 Switching arrangement with an optical fibre
03/23/1983EP0074536A2 Electric commutation apparatus for a control device for a motor-driven vehicle
03/22/1983US4377835 Recovery protection device for a thyristor valve
03/22/1983US4377144 Injector driving circuit
03/22/1983US4377049 Capacitive switching panel
03/09/1983EP0073461A2 Overvoltage protection for an optically controlled thyristor
03/09/1983EP0073429A2 Circuitry for addressing matrix elements
03/08/1983US4376277 Dynamic contact checking circuit
03/08/1983US4376253 Timed switch for an AC load
03/08/1983US4376252 Bootstrapped driver circuit
03/03/1983WO1983000780A1 Touch-operated power control device
03/03/1983WO1983000771A1 Inductive load driver protection circuits having minimal power dissipation
03/03/1983WO1983000746A1 Solid-state relay and regulator
03/01/1983US4375596 Reference voltage generator circuit
02/1983
02/23/1983EP0072784A2 Circuit board for use in capacitive keyboard
02/23/1983EP0072686A2 A buffer circuit including inverter circuitry
02/23/1983EP0072553A2 Controlled switch for high-frequency signals without a DC component
02/23/1983EP0072523A2 Protection circuit for a field effect transistor in a load circuit
02/23/1983EP0072431A2 Driver circuit
02/23/1983EP0072386A1 Pulse generator for generating electronic pulse trains
02/22/1983US4375074 Dual-mode transistor turn-off
02/22/1983US4375073 Dual-monitoring protection circuit for switching transistor
02/22/1983US4375048 Programmable time switch
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