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