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)
11/1982
11/23/1982US4360864 Voltage divider for a thyristor valve control circuit
11/23/1982US4360855 Injector drive circuit
11/23/1982US4360852 Overcurrent and overtemperature protective circuit for power transistor system
11/23/1982US4360745 Depletion capacitance compensator
11/23/1982US4360744 Semiconductor switching circuits
11/23/1982US4360743 Solid state control device for gradually turning on and off an electrical load
11/23/1982US4360737 Touch sensitive switch
11/23/1982US4360562 Plastic film of dielectric material, conductive and foam layers united by adhesive
11/23/1982CA1136244A1 Keyboard switch assembly
11/23/1982CA1136227A1 Coaxial cable switching circuit
11/23/1982CA1136214A1 Switching circuit
11/23/1982CA1136015A1 Contactless pressure sensitive switch
11/17/1982EP0064870A2 Digital semiconductor integrated circuit device
11/16/1982US4359720 Environmentally sealed variable capacitance apparatus
11/16/1982US4359719 Hall effect alarm pull station
11/16/1982US4359655 Timer circuit
11/16/1982US4359654 Alternating polarity power supply control apparatus
11/16/1982US4359652 Over voltage detection circuit for use in electronic ignition systems
11/16/1982US4359650 High voltage driver amplifier apparatus
11/16/1982US4359648 Pulse signal control circuits
11/16/1982US4359626 Electric blanket heating control with capacitance sensing
11/16/1982US4359038 Electronic ignition-coil control device for an internal combustion engine
11/16/1982CA1135800A1 Transistor switch
11/16/1982CA1135799A1 Switching circuit comprising a plurality of input channels and an output channel
11/16/1982CA1135787A1 Magnetic control apparatus
11/10/1982EP0064450A1 Self adjusting method and apparatus for actuating a triac
11/10/1982EP0064240A2 Capacitive circuit board and method for fabricating it
11/09/1982US4358812 Driver circuit for use with inductive loads or the like
11/09/1982US4358749 Object detection
11/09/1982US4357804 Thermoelectric device
11/09/1982CA1135336A1 Transistor switching circuit
11/03/1982EP0064025A1 Electronic watch having fixed control means
11/03/1982EP0063800A2 Keyboard apparatus
11/03/1982EP0063749A2 Composite circuit for power semiconductor switching
11/03/1982EP0063686A1 Switching circuit with a block of keys
11/02/1982US4357690 Switch circuit for exciting ultrasonic transducer elements
11/02/1982US4357646 Capacitive keyswitch with overtravel mechanism on moveable plate
11/02/1982CA1134909A1 Load-responsive treater controller
10/1982
10/27/1982EP0063356A1 Time switch arrangement
10/27/1982EP0063216A2 Driver Circuit
10/26/1982US4356525 Method and circuit for controlling a hybrid contactor
10/26/1982US4356457 Optic floating deck modulator
10/26/1982US4356432 Solid state power switch for gas discharge lamps
10/26/1982US4356416 Voltage controlled non-saturating semiconductor switch and voltage converter circuit employing same
10/26/1982US4356414 Monolithically integrable logic circuit
10/26/1982US4356413 MOSFET Convolved logic
10/26/1982US4356408 Drive circuit for parallel non-matched semiconductors
10/26/1982US4356405 Fail-off photosensitive switch
10/26/1982CA1134474A1 Photoelectronic apparatus with protection from effects of undesired light
10/26/1982CA1134439A1 Time dependent master reset
10/26/1982CA1134438A1 Method of and apparatus for eliminating priming and carrier sweep-out losses in scr switching circuits and the like
10/19/1982US4355344 Protective device electronic semiconductor component
10/19/1982US4355343 Semiconductor switch failure control circuit
10/19/1982US4355341 Power protection circuit for transistors
10/19/1982US4355245 Electronic circuit
10/14/1982WO1982003497A1 Gated diode switch
10/13/1982EP0062572A2 Capacitive keyboard with anti-parasite structure
10/13/1982EP0062568A1 Electronic safety device at the motor of a sliding window
10/13/1982EP0062100A2 Thyristor with internal-current amplification, and process for its operation
10/12/1982US4354151 Voltage divider circuits
10/12/1982US4354121 Field controlled thyristor control circuit with additional FCT in reverse bias circuit
10/12/1982CA1133583A1 Frequency sensitive switching circuit
10/06/1982EP0061970A1 Sliding window with electric control and proximity detector
10/06/1982EP0061513A1 CMOS integrated selection circuit for four potentials and simplifications of it for three potentials
10/06/1982EP0061512A1 Integrated circuit for writing, reading and erasing memory matrixes composed of insulated-layer field-effect transistors
10/05/1982US4353104 Output interface circuits
10/05/1982US4352995 Pulse generating circuit with clock pulse ceasing feature
10/05/1982CA1133055A1 Frequency sensitive switching circuit
09/1982
09/29/1982EP0061409A1 Electrically movable sliding window equipped with a safety detector
09/29/1982EP0061343A2 An arrester device for protecting a thyristor valve arrangement from overvoltage
09/29/1982EP0061101A2 Bank of keys
09/29/1982EP0060992A2 Testing and evaluating circuit for a proximity switch in control systems for machines
09/29/1982EP0060989A2 High voltage on chip fet driver
09/28/1982US4352144 Capacitive keyswitch with overtravel plunger mechanism
09/28/1982US4352141 Touch switch device
09/28/1982US4352030 Pulse detectors
09/28/1982US4352028 Circuit arrangement for reducing the recovery time of a thyristor comprising R-C-D network between auxiliary and main emitters
09/28/1982CA1132656A1 Circuit for protecting anti-parallel-connected switches against overvoltages
09/27/1982EP0052633A4 Optically switched device.
09/22/1982EP0060336A2 Method of driving a power FET switching transistor and circuit arrangements for carrying out this method
09/22/1982EP0060318A1 Broadband switching system
09/21/1982US4351021 Power supply/auto-clear circuit
09/21/1982US4351014 Solid state self-checking relay
09/21/1982US4350993 Heterojunction and Schottky barrier EBS targets
09/21/1982US4350971 Circuit for use in the detection of the condition of an isolated switch contact
09/21/1982US4350949 Bidirectional switching circuit with control terminal
09/21/1982US4350132 Apparatus for driving electromagnetic devices, particularly electromagnetic injection valves in internal combustion engines
09/21/1982CA1132207A1 Four-lead monolithic darlington device
09/21/1982CA1132198A1 Isolator circuit for use with frequency sensitive switching circuit
09/16/1982WO1982003136A1 Power factor monitoring and control system for resistance welding
09/15/1982EP0060096A2 Drive circuits for driving digital circuits with a clock signal
09/15/1982EP0060026A1 Gain stage with operational amplifier and switched capacitor resistor equivalent circuit
09/14/1982US4349858 Control circuit for use with an electronic guard strip
09/14/1982US4349814 Electric switches
09/14/1982US4349752 Magnetic couple drive circuit for power switching device
09/14/1982US4349751 Control circuitry using a pull-down transistor for high voltage solid-state switches
09/14/1982US4349750 Switching circuit comprising a plurality of input channels and an output channel
09/14/1982US4349747 Sound response time switch for flowing current for a predetermined period of time
09/14/1982CA1131769A1 Switching circuit
09/14/1982CA1131717A1 Digital operate/release timer
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