Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
04/1987
04/29/1987EP0219925A1 Switching device
04/29/1987EP0219504A1 Circuit arrangement for generating high voltage pulses.
04/28/1987US4661927 Integrated Schottky logic read only memory
04/28/1987US4661720 Occupancy sensor
04/28/1987US4661717 Load condition determining apparatus
04/28/1987CA1221157A1 Circuit arrangement comprising an amplifier and an electronic selector switch
04/28/1987CA1221142A1 Digital integrated circuit comprising complementary field effect transistors
04/23/1987WO1987002532A1 Rfi suppression technique for switching circuits
04/23/1987WO1987002529A1 Pyroelectric keyboard
04/23/1987WO1987002523A1 Apparatus and method for protecting a motor control circuit
04/23/1987DE3537419A1 Circuit arrangement for protecting an optically controlled thyristor
04/22/1987EP0219221A2 Semi-conductor integrated circuits
04/22/1987EP0219074A2 Two-wire type switch with a power transistor
04/22/1987EP0219040A2 Circuit for the speeding-up of up-going transitions in TTL or DTL circuits under high capacitive load
04/22/1987EP0219017A1 Locating systems
04/22/1987EP0218794A1 Test circuit for differential cascode voltage switch
04/22/1987EP0218747A1 Sense amplifier for amplifying signals on a biased line
04/22/1987CN86101110A Source apparatus of driving and controlling the three-end controlled electric valve
04/21/1987US4659948 Programmable logic array
04/21/1987US4659946 Memory gate for error sampler
04/21/1987US4659944 High voltage detection circuit
04/21/1987US4659941 Power sensing device
04/21/1987CA1220834A1 Touch sensing device
04/16/1987DE3536447A1 Transistor output stage which is resistant to short circuits and overload
04/15/1987EP0218326A2 DC-DC impedance transformer for a sample and hold circuit
04/15/1987EP0218288A2 MOS power device usable both as an N-chanel MOS transistor and as a P-channel MOS transistor
04/15/1987EP0218121A1 Network for processing large bit width data with an emitter and a multiplicity of receivers
04/15/1987EP0218042A2 Magnetic-field-dependent electronic proximity switch
04/15/1987EP0217806A1 Cmos power-on reset circuit
04/14/1987US4658203 Voltage clamp circuit for switched inductive loads
04/14/1987US4658202 Circuit arrangement for controlling the current through an electric load
04/14/1987US4658156 Voltage detection circuit for detecting input voltage larger in absolute value than power supply voltage
04/14/1987US4658145 Solid state relay
04/14/1987US4657724 Neutron generator ion source pulser
04/09/1987WO1987002182A1 Semiconductor device
04/09/1987DE3535844A1 Circuit arrangement for driving a load
04/09/1987DE3535551A1 Keyboard
04/08/1987EP0216816A1 Circuit for dissipating stored inductive energy.
04/07/1987US4656461 Control handle for remotely controlling a hydraulically operated apparatus
04/07/1987US4656417 Test circuit for differential cascode voltage switch
04/07/1987US4656367 Speed up of up-going transition of TTL or DTL circuits under high _capacitive load
04/07/1987US4656366 Control circuitry using two branch circuits for high voltage solid-state switches
04/07/1987US4656365 Solid state power controller leakage current shunt circuit
04/07/1987US4656351 Method and apparatus for controlling a load
04/07/1987US4655091 Rotational movement
04/02/1987DE3534861A1 Semiconductor switch consisting of two MOS switching transistors which are connected with their source-drain junctions in series, in reverse directions
04/02/1987DE3533798A1 Isolating transformer
04/01/1987CN86205945U Electrical source on-off controller
04/01/1987CN86104896A Switch dividing device for common reception
03/1987
03/31/1987US4654850 Tri-state in-circuit logic comparator with automatic input/output terminal discrimination
03/31/1987US4654548 Complementary logic circuit
03/31/1987US4654545 Overvoltage comparator
03/31/1987US4654544 Darlington transistor driver with reverse base drive current
03/31/1987US4654543 Thyristor with "on" protective circuit and darlington output stage
03/31/1987US4654471 Electronic switch
03/31/1987CA1219940A1 Adressable photodetector retina
03/31/1987CA1219900A1 Subharmonic controller for electromagnetic exciter
03/26/1987WO1987001883A1 Low leakage, a.c. proximity switch circuit
03/26/1987WO1987001839A1 Instruction sequencer for microprocessor with network for the determination of the phases of instruction cycles
03/26/1987DE3619238A1 Proximity switch
03/26/1987DE3534181A1 Switch chip and use of the switch chip exhibiting two switches
03/26/1987DE3533885A1 Electronic switch
03/25/1987EP0215707A1 Voltage switching apparatus
03/24/1987US4653084 Remote actuated switch
03/24/1987US4653054 Redundant clock combiner
03/24/1987US4653015 Apparatus for generating a time duration signal
03/24/1987US4652819 Proximity switch with continuously operable test circuit responsive to bipolar double pulses
03/24/1987US4652796 Control circuit for an alternate type plasma panel
03/24/1987US4652764 Current source circuit with a photo coupler
03/24/1987CA1219630A1 Driver circuit
03/19/1987DE3532201A1 Electronic keypad
03/17/1987US4651270 Delay circuit for inverter switches
03/17/1987US4651252 Transistor fault tolerance method and apparatus
03/17/1987US4651251 Protective circuitry for a thyristor
03/17/1987US4651133 Method and apparatus for capacitive keyboard scanning
03/17/1987US4651037 Precision analog switching circuit employing MOS transistors
03/17/1987US4651035 Compound diverse transistor switching circuit
03/17/1987US4651033 Device for complementary input signals using two circuits with different threshold voltages
03/17/1987US4651022 Digital touch operated switch
03/17/1987US4650992 Optical sensor constituting a light transmissive medium with luminescent particles
03/17/1987US4650990 Processor-controlled light screen wherein light beam carries coded signals
03/12/1987WO1987001343A1 Optical seat switch
03/12/1987DE3532379A1 Self-latching circuit in the case of a triac
03/11/1987EP0213845A2 Sample and hold circuit
03/11/1987EP0213635A2 Transistor inverter
03/11/1987EP0213608A2 Semiconductor switching device
03/11/1987EP0213308A1 Obstacle recognition device for automatic doors
03/11/1987CN85202569U Amplitude discriminator with collector-base coupling
03/10/1987US4649527 Ultrasonic proximity switch
03/10/1987US4649302 DC or AC solid state switch with improved line-derived control circuit power supply
03/10/1987US4649300 Bootstrap buffer
03/10/1987US4649299 Strobe line driver circuit
03/10/1987US4649292 CMOS power-on detecting circuit
03/10/1987US4649291 Voltage reference circuit for providing a predetermined voltage to an active element circuit
03/10/1987CA1219052A1 Switch/display units
03/04/1987EP0212854A1 Protective triggering of thyristor in a pulse generator
03/04/1987EP0212833A1 Field-effect transistor current switching circuit
03/04/1987EP0212677A2 Electronic switching device with exciting coil
03/04/1987EP0212584A2 Output circuit device with stabilized potential
03/04/1987EP0212384A2 Electronic switching apparatus, preferably operated without touching it