| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 01/20/1988 | EP0253555A2 Logic circuit employing bipolar-transistors and stable upon starting-up of power supply therefor |
| 01/20/1988 | EP0252999A1 Clocked CMOS circuit with at least one CMOS switch |
| 01/20/1988 | EP0252981A1 Gate modulated transimpedance amplifier with buffering for focal plane array |
| 01/20/1988 | EP0252942A1 Human behavior modification system which establishes and generates a user adaptive withdrawal schedule |
| 01/19/1988 | US4720641 Intelligent electrical power device with monolithic integrated circuit |
| 01/14/1988 | WO1988000413A1 Transistor arrangement with an output transistor |
| 01/14/1988 | WO1988000370A1 Method and apparatus for controlling the amount of magnetic flux imparted to a ferrimagnetic load |
| 01/14/1988 | DE3621404A1 Electronic switching device for a magnet or the like |
| 01/13/1988 | EP0252541A1 Electronically controlled electrical overcurrent automator |
| 01/13/1988 | CN87206083U Lamp bulb life prolonging timer |
| 01/12/1988 | US4719531 Overcurrent protective circuit for modulated-conductivity type MOSFET |
| 01/12/1988 | US4719375 High resolution digital delay timer |
| 01/12/1988 | US4719374 Broadband electric field controlled switching circuit |
| 01/12/1988 | US4719371 Differential type gate circuit having control signal input |
| 01/12/1988 | US4719370 BiMOS high speed inverter circuit |
| 01/12/1988 | US4719362 Electronic proximity switch dependent upon a magnetic field |
| 01/12/1988 | CA1231466A1 Semiconductor power switch comprising a thyristor |
| 01/07/1988 | EP0251428A2 SCR priming and sweep-out circuit apparatus |
| 01/07/1988 | EP0251239A2 FM Demodulator |
| 01/07/1988 | EP0250864A2 Inductive sensor arrangement |
| 01/06/1988 | CN87208232U Dual-direction silicon control electricity saving switch |
| 01/06/1988 | CN87105303A Method and equipment for the charge balance control of the silicon control |
| 01/05/1988 | US4717996 Gated parallel power switching devices protection circuit |
| 01/05/1988 | US4717849 Semiconductor device for conducting primary current upon receipt of a control signal |
| 01/05/1988 | US4717848 Electronic circuits and signal generator using them |
| 01/05/1988 | US4717845 TTL compatible CMOS input circuit |
| 01/05/1988 | US4717841 Static power switch apparatus |
| 01/05/1988 | US4717840 Voltage level sensing power-up reset circuit |
| 12/31/1987 | CN87207881U Delay switch for lamps |
| 12/30/1987 | WO1987007987A1 Electronic control system, in particular for a printer |
| 12/29/1987 | US4716521 Microcomputer |
| 12/29/1987 | US4716513 Base drive circuit in a transistor inverter |
| 12/29/1987 | US4716511 Surge current-limiting circuit |
| 12/29/1987 | US4716398 Linearity control circuit for digital to analog converter |
| 12/29/1987 | US4716359 Output stage control circuit |
| 12/29/1987 | US4716322 Power-up control circuit including a comparator, Schmitt trigger, and latch |
| 12/29/1987 | US4716318 Low pass filter formed in an integrated circuit |
| 12/29/1987 | US4716315 Temperature compensation apparatus for an electrical circuit |
| 12/29/1987 | US4716312 CMOS logic circuit |
| 12/29/1987 | US4716309 Static relay for low DC voltages |
| 12/29/1987 | US4716306 Circuit for detecting variation of resistance of a variable-resistance element |
| 12/29/1987 | US4716305 Switching device having a feedback means for rendering a control circuit inoperative in response to a current supply circuit being inoperative |
| 12/29/1987 | US4716303 MOS IC pull-up circuit |
| 12/29/1987 | US4716302 Identity circuit for an integrated circuit using a fuse and transistor enabled by a power-on reset signal |
| 12/29/1987 | US4716297 Method and apparatus for optically switching current |
| 12/29/1987 | CA1230920A1 Operating coil control system |
| 12/23/1987 | EP0250086A2 Electrical circuit utilizing a concentric collector PNP transistor |
| 12/23/1987 | EP0250036A1 Integrated logic circuit comprising an output circuit for generating an increasing output current limited in time |
| 12/23/1987 | EP0249837A1 Switching device for broad-band signals |
| 12/23/1987 | EP0249836A1 Switching device for broad-band signals |
| 12/23/1987 | EP0249725A1 Semiconductor-contactor for high voltage |
| 12/22/1987 | US4714900 Current output circuit having well-balanced output currents of opposite polarities |
| 12/17/1987 | DE3717491A1 Solid state current limiting circuit interrupter |
| 12/17/1987 | DE3619740A1 Method and arrangement for protecting gate-turn-off thyristors |
| 12/17/1987 | DE3619497A1 Receiver arrangement with a phototransistor |
| 12/16/1987 | EP0249240A2 Current switch capable of producing a stable output of a desired level |
| 12/16/1987 | EP0249055A2 Power amplifiers for driving inductive loads |
| 12/15/1987 | US4713792 Programmable macrocell using eprom or eeprom transistors for architecture control in programmable logic circuits |
| 12/15/1987 | US4713723 Isolation transformer |
| 12/15/1987 | US4713720 Fast acting solid state AC circuit breaker |
| 12/15/1987 | US4713602 Circuit resistance adjusting device |
| 12/15/1987 | US4713601 Power proportioning controller for solid state relays |
| 12/15/1987 | US4713561 Transistor circuit with controlled collector saturation voltage |
| 12/15/1987 | US4713545 Device for detecting objects, particularly such in motion |
| 12/15/1987 | US4713534 For measuring the intensity of an incident light signal |
| 12/15/1987 | CA1230389A1 Integrated circuit having a variably boosted node |
| 12/12/1987 | CN86209229U Simple protector for refrigerator |
| 12/09/1987 | EP0248608A1 Output buffer circuits |
| 12/09/1987 | EP0248408A2 A reflection type photo-electric switch |
| 12/08/1987 | US4712153 Power circuit and trigger device comprising same |
| 12/08/1987 | US4712092 Parallel encoded piezoelectric keyboard switch and array |
| 12/08/1987 | US4712025 Analog switch |
| 12/08/1987 | US4712023 Buffered FET logic gate using depletion-mode MESFET's. |
| 12/08/1987 | US4712020 Bias control circuit for RF switch |
| 12/03/1987 | WO1987007456A1 Method and device for controlling an electromagnet of which the energization by a monoarch periodic current causes the actuation of a moveable part |
| 12/03/1987 | WO1987007428A1 Method and device for controlling an electromagnet of which the energization by an alternating current causes two parts to come into contact |
| 12/03/1987 | DE3714938A1 Zweipunktschalter Two-point switch |
| 12/03/1987 | DE3617723A1 Device for monitoring an intravenous drip |
| 12/02/1987 | EP0247372A1 Device for the supply of direct current and for the output of information from a detection circuit |
| 12/02/1987 | EP0068019B1 Control device responsive to infrared radiation |
| 12/01/1987 | US4710949 Telephone line fault locating device |
| 12/01/1987 | US4710737 Band switching circuit tuner |
| 12/01/1987 | US4710724 Differential CMOS comparator for switched capacitor applications |
| 12/01/1987 | US4710699 Electronic switching device |
| 12/01/1987 | US4710696 Control device for controllable electric valve |
| 12/01/1987 | US4710645 Device for monitoring the state of an electric switch or an electric relay |
| 12/01/1987 | US4710622 Device for stabilizing photosensor output to varying temperature |
| 11/26/1987 | DE3718354A1 Controllable electronic noise switch |
| 11/26/1987 | DE3617610A1 Semiconductor power switch arrangement |
| 11/26/1987 | DE3617185A1 Arrangement for controlling gate-turn-off thyristors, particularly of higher power |
| 11/25/1987 | EP0246938A1 Keyboard with radiation interruption |
| 11/25/1987 | EP0246935A1 Keyboard for an electrical apparatus |
| 11/25/1987 | EP0246478A1 Semiconductor power switch |
| 11/25/1987 | EP0246361A2 Electronic apparatus supplied by a battery and switchable by a push-button switch |
| 11/25/1987 | EP0120939B1 Selectively operable electrical connection circuit |
| 11/25/1987 | CN87101022A Power supply for high speed non-contactor anti-electric shock alternating arc welder |
| 11/24/1987 | US4709213 Metal detector having digital signal processing |
| 11/24/1987 | US4709210 Magnetoacoustic proximity sensor |
| 11/24/1987 | US4709173 Integrated circuit having latch circuit with multiplexer selection function |
| 11/24/1987 | US4709172 Input-voltage detector circuit for CMOS integrated circuit |