| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 02/23/1989 | WO1989001720A1 Pyroelectric keyboard |
| 02/23/1989 | WO1989001633A1 Input signal determination system |
| 02/23/1989 | EP0224491A4 Method and circuit for providing adjustable control of short circuit current through a semiconductor device. |
| 02/23/1989 | DE3817504A1 Square-wave generator |
| 02/23/1989 | DE3725369A1 Avoidance of switching losses in fast electronic switches |
| 02/22/1989 | EP0304272A2 Inductive proximity sensor |
| 02/22/1989 | CN2033008U Light-sensitive music candle |
| 02/21/1989 | US4807239 Drive and control circuit for laser diode |
| 02/21/1989 | US4807190 Semiconductor integrated circuit device |
| 02/21/1989 | US4806995 High speed |
| 02/21/1989 | US4806882 Oscillator/demodulator circuit for an inductive proximity switch |
| 02/21/1989 | US4806803 Current switching circuit |
| 02/21/1989 | US4806799 ECL to CMOS translator |
| 02/21/1989 | US4806798 Output circuit having a broad dynamic range |
| 02/21/1989 | US4806795 Transfer gate circuit protected from latch up |
| 02/21/1989 | US4806794 Fast, low-noise CMOS output buffer |
| 02/21/1989 | US4805739 Elevator control switch and position indicator assembly |
| 02/21/1989 | CA1250351A1 Low power off-chip driver circuit |
| 02/16/1989 | DE3826574A1 Transistor circuit |
| 02/15/1989 | EP0303341A2 Output buffer circuits |
| 02/15/1989 | EP0303314A2 Method for power control of electric loads without commutation pulse |
| 02/15/1989 | EP0303257A1 Reset signal generating circuit |
| 02/15/1989 | CN1031152A Elektron pressure switch |
| 02/14/1989 | US4805214 Digital signal transmitting circuit for telephone network |
| 02/14/1989 | US4805083 Low cost automatic voltage doubler switch |
| 02/14/1989 | US4805079 Switched voltage converter |
| 02/14/1989 | US4804929 Control pulse generator |
| 02/14/1989 | US4804869 BiMOS logical circuit |
| 02/14/1989 | US4804868 BiMOS logical circuit |
| 02/14/1989 | US4804866 Solid state relay |
| 02/09/1989 | WO1989001255A1 Self-protective fuel pump driver circuit |
| 02/09/1989 | WO1989001173A1 Optomagnetic switch |
| 02/08/1989 | EP0302730A2 Isolated analog voltage sense circuit |
| 02/08/1989 | EP0302671A2 Logic circuit |
| 02/08/1989 | EP0302548A2 Circuit for generating a trapezoidal current waveform with matched rise and fall times |
| 02/08/1989 | CN2032385U Electricity saver for road lanp |
| 02/08/1989 | CN2032366U Timing controlled soket for electric cooker |
| 02/08/1989 | CN2032361U 数字式时间继电器 Digital time relay |
| 02/08/1989 | CN2032339U Multifunctional circulateable timed controller |
| 02/07/1989 | US4803612 Clock ripple reduction in a linear low dropout C/DMOS regulator |
| 02/07/1989 | US4803486 Matrix switch circuit |
| 02/07/1989 | US4803444 Proximity switch |
| 02/07/1989 | US4803434 Test device for circuit breakers having electronic trip units |
| 02/07/1989 | US4803418 In-line electrical switch for AC power supply |
| 02/07/1989 | US4803383 Transistor-transistor logic circuit |
| 02/07/1989 | US4803362 Electro-optically activated switch with tactile feedback |
| 02/07/1989 | US4803315 Printed circuit board |
| 02/02/1989 | DE3724337A1 Temperature switch |
| 02/02/1989 | DE3723008C1 Electronic switching device preferably operating contactlessly |
| 02/01/1989 | EP0301979A1 Base control bridge circuit with controlled turn-off, even in the avalanche mode |
| 02/01/1989 | EP0301815A2 Control device for switching a thyristor |
| 02/01/1989 | EP0301807A2 A method of controlling an optical PNPN thyristor |
| 02/01/1989 | EP0301635A1 Switching device for high-frequency signals |
| 02/01/1989 | EP0301603A2 Output circuit of semiconductor integrated circuit device |
| 02/01/1989 | CN2031983U Photo-remote-control switch |
| 02/01/1989 | CN2031982U Micropower-controlled subminiature high-power ac switch |
| 02/01/1989 | CN2031981U Signal-controlled switch |
| 01/31/1989 | US4802239 Switch distributing apparatus for community reception |
| 01/31/1989 | US4801983 Schottky diode formed on MOSFET drain |
| 01/31/1989 | US4801936 Broadband signal switching apparatus |
| 01/31/1989 | US4801828 Multiphase solid-state contactor |
| 01/31/1989 | US4801824 Integrable buffer circuit for voltage level conversion having clamping means |
| 01/31/1989 | US4801822 Semiconductor switching circuit |
| 01/31/1989 | US4801821 Integrated bistable electronic commutator with a low voltage drop |
| 01/31/1989 | US4801819 Clocked CMOS circuit with at least one CMOS switch |
| 01/26/1989 | WO1989000645A1 High-voltage switch |
| 01/26/1989 | WO1988008228A3 Method and apparatus for reducing transient noise in integrated circuits |
| 01/26/1989 | DE3811380A1 X-ray examination apparatus |
| 01/26/1989 | DE3744756A1 Constant-current generator |
| 01/26/1989 | DE3744751A1 Output stage of an amplifier |
| 01/26/1989 | DE3723786A1 Arrangement for automatic overcurrent disconnection |
| 01/26/1989 | DE3723707A1 Circuit arrangement for an electrical load |
| 01/26/1989 | DE3723566A1 Proximity switch |
| 01/25/1989 | EP0300698A2 Emitter coupled logic circuit |
| 01/25/1989 | EP0300440A2 Reset circuit for microprocessors and counters |
| 01/25/1989 | EP0300261A1 P-i-n diode switch |
| 01/25/1989 | EP0300229A2 Fast, low noise cmos output buffer |
| 01/25/1989 | CN2031588U Bidirectional silicon-controlled self close loop wire box |
| 01/25/1989 | CN2031484U One-touch type electronic switch lamps |
| 01/25/1989 | CN1030675A Gate signal generator for thyristor valve |
| 01/24/1989 | US4800338 Pulse count type FM demodulator |
| 01/24/1989 | US4800330 AC power control |
| 01/24/1989 | US4800304 Time delay circuit for a semiconductor device |
| 01/24/1989 | US4800301 Method and apparatus for sensing signals |
| 01/24/1989 | US4800298 Output buffer for improving di/dt |
| 01/24/1989 | US4800297 Source bias generator for natural transistors in MOS digital integrated circuits |
| 01/24/1989 | US4800294 Pin driver circuit |
| 01/24/1989 | US4800293 Infrasonic switch |
| 01/24/1989 | US4800264 Manually controlled static switch |
| 01/24/1989 | CA1249371A1 Pulse code modulation translators |
| 01/24/1989 | CA1249328A1 Opening moment control process for switch, and related logic circuit |
| 01/18/1989 | EP0299635A1 Hot melt adhesive applicator and temperature control circuit therefor |
| 01/18/1989 | EP0299581A2 Bipolar multiplexer and select buffer circuit for use therein |
| 01/18/1989 | EP0299541A2 Safety device for an operator-controlled apparatus |
| 01/18/1989 | EP0299259A2 Electronic switching device, preferably operating without contact |
| 01/18/1989 | EP0299233A1 Electrical power pulse generator with temporal compression and voltage boosting, particularly for discharge laser |
| 01/18/1989 | EP0299088A1 Pre-drive circuit |
| 01/18/1989 | CN2031192U Controller for lamp light decoration |
| 01/18/1989 | CN2031189U Light-adjusting desk lamp by hand contact |
| 01/18/1989 | CN2031179U Sound controlled contactless electronic delay automatic switch |