| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 01/23/1990 | CA1264835A1 Low leakage proximity switch |
| 01/17/1990 | EP0351157A2 Semiconductor integrated circuits |
| 01/17/1990 | EP0351144A1 Power supplies |
| 01/17/1990 | EP0350879A2 Output buffer circuit of semiconductor integrated circuit |
| 01/17/1990 | EP0350857A1 Fully-differential reference voltage source |
| 01/17/1990 | EP0350547A1 Femtosecond three-terminal switch and vertical tunnel junction |
| 01/17/1990 | CN2051425U Long service life and low energy consumption automatic lamp turn-off device |
| 01/17/1990 | CN2051419U Contact type contact-free overtravel-limit switch |
| 01/17/1990 | CN2051414U Contact automatic phase-fetching voltage transforming device |
| 01/16/1990 | US4894651 Broadband signal switching equipment |
| 01/16/1990 | US4894568 Gate control circuit for a switching power MOS transistor |
| 01/16/1990 | US4894567 Active snubber circuit |
| 01/16/1990 | US4894561 CMOS inverter having temperature and supply voltage variation compensation |
| 01/16/1990 | US4894560 Dual-slope waveform generation circuit |
| 01/16/1990 | US4894527 Light dependent resistor digital control circuit |
| 01/11/1990 | WO1990000328A1 Level shifter with high common mode immunity |
| 01/11/1990 | DE3823008A1 Switchable oscillator |
| 01/10/1990 | EP0350301A2 Current limited DC power controller |
| 01/10/1990 | EP0350300A2 Solid state power controller |
| 01/10/1990 | EP0350178A2 An output circuit for outputting a level shifted output signal |
| 01/10/1990 | EP0349954A2 Voltage clamped differential to single ended converter circuit |
| 01/10/1990 | EP0349557A1 Gate circuit with mos transistors. |
| 01/10/1990 | CN2051028U Short time-delay electronic switch |
| 01/10/1990 | CN1038725A Procedure and device for overload and shortcircuit protection of output drivers |
| 01/10/1990 | CN1006418B Switch power supply circuit without interference of high frequency ringing |
| 01/09/1990 | US4893275 High voltage switching circuit in a nonvolatile memory |
| 01/09/1990 | US4893212 Protection of power integrated circuits against load voltage surges |
| 01/09/1990 | US4893211 Method and circuit for providing adjustable control of short circuit current through a semiconductor device |
| 01/09/1990 | US4893158 MOSFET device |
| 01/09/1990 | US4893076 Proximity detector using inductive effect on oscillating circuit the charge of which is controlled by a pulse of short duration |
| 01/09/1990 | US4893035 Cascaded low pass/high pass filter phase shifter system |
| 01/09/1990 | US4893031 Logical circuits for performing logical functions without a power supply |
| 01/09/1990 | US4893027 Proximity switch insensitive to interference fields |
| 01/09/1990 | US4891973 Circuit arrangement for transmitting measurement values on vehicle wheels |
| 01/09/1990 | CA1264369A1 Fast acting solid state ac circuit breaker |
| 01/09/1990 | CA1264358A1 Monolithic switch with selective latch control |
| 01/04/1990 | DE3822493A1 Energy-recovering load-reducing network for electronic branch pairs connected in antiparallel |
| 01/04/1990 | DE3814941C1 Method for analog/digital conversion |
| 01/03/1990 | EP0348894A2 Output buffer circuit used for stable voltage source |
| 01/03/1990 | EP0348879A1 Circuit to generate a supply voltage |
| 01/03/1990 | CN2050666U Touch self cut-off switch |
| 01/03/1990 | CN2050661U Filament lamp cap with sonic control switch |
| 01/03/1990 | CN1006352B Method and equipment for the charge balance control of the silicon control |
| 01/02/1990 | US4891728 Circuit arrangement for limiting the switch-on current and for providing an over voltage protection in switch mode power supply devices |
| 01/02/1990 | US4891627 Device for detecting object |
| 01/02/1990 | US4891571 Control device for switching a thyristor |
| 01/02/1990 | US4891536 Solid state switch |
| 01/02/1990 | US4891532 Darlington connected switch having base drive with active turn-off |
| 12/28/1989 | WO1989012928A1 Apparatus for detecting the condition of switches on one transmission line |
| 12/28/1989 | EP0296193A4 Ttl compatible cmos input circuit. |
| 12/28/1989 | DE3920658A1 Method and device for protecting output drivers against overloading and short circuit |
| 12/28/1989 | DE3821229A1 Circuit arrangement for producing pulses having a high edge gradient |
| 12/27/1989 | EP0348051A1 Output circuit having a voltage level shifting circuit |
| 12/27/1989 | EP0347998A1 Gate circuit |
| 12/27/1989 | EP0347759A2 Speed enhancement technique for CMOS circuits |
| 12/27/1989 | EP0347686A1 Rotating transmitter for digital pulses, and method of using it |
| 12/27/1989 | EP0347471A1 Solar cell array for driving mosfet gates |
| 12/27/1989 | CN2050249U Automatic energy-saving switch for corridor lamp |
| 12/27/1989 | CN2050248U Sound control-light control time lamps and lanterns |
| 12/27/1989 | CN2050247U Sensitive street lamp |
| 12/27/1989 | CN2050240U 缓冲开关 Buffered switch |
| 12/27/1989 | CN2050223U Multi-purpose miniature sound-control lamp holder |
| 12/27/1989 | CN1006266B Driving circuit for an insulated gate bipolar transitor |
| 12/26/1989 | US4890185 Circuit for protecting a switching transistor |
| 12/26/1989 | US4890060 Electromechanical abutment sensor with resilient damper plate for sensing sheets in a sheet folding machine |
| 12/26/1989 | US4890040 Optically triggered back-lighted thyratron network |
| 12/26/1989 | US4890021 Noise spike elimination circuit for pulse width modulators |
| 12/26/1989 | US4890020 Circuit for driving a semiconductor device with protection against transients |
| 12/26/1989 | US4890018 Bipolar-complementary metal oxide semiconductor circuit |
| 12/26/1989 | US4890016 Output circuit for CMOS integrated circuit with pre-buffer to reduce distortion of output signal |
| 12/26/1989 | US4890012 An integrated controlled FET switch |
| 12/26/1989 | US4890010 Matched current source serial bus driver |
| 12/26/1989 | US4890009 Monolithic integrated circuit device |
| 12/20/1989 | EP0347083A2 TTL output driver gate configuration |
| 12/20/1989 | EP0347048A2 A CMOS differential driver |
| 12/20/1989 | EP0347031A2 Adjusting apparatus for adjusting sound volume or sound quality |
| 12/20/1989 | EP0346898A2 Power supply switching circuit |
| 12/20/1989 | EP0346876A1 Semiconductor integrated circuit having a CMOS inverter |
| 12/20/1989 | EP0346571A2 Solid state relay |
| 12/20/1989 | CN2049855U Sound and light combined control type auto-switch for illuminator |
| 12/20/1989 | CN2049854U Sound-controlled delay self-off energy-saving lamp controller |
| 12/20/1989 | CN1006171B Continuously sparking electronic ignitor |
| 12/19/1989 | US4888622 Superconductor electron device |
| 12/19/1989 | US4888603 Light emitting diode array |
| 12/19/1989 | US4888600 Keyboard arrangement with ghost key condition detection |
| 12/19/1989 | US4888505 Voltage multiplier compatible with a self-isolated C/DMOS process |
| 12/19/1989 | US4888504 Bidirectional MOSFET switching circuit with single gate bias |
| 12/19/1989 | US4888498 Integrated-circuit power-up pulse generator circuit |
| 12/19/1989 | US4888497 Generator of reset pulses upon the rise of the power supply for CMOS-type integrated circuits |
| 12/14/1989 | WO1989012361A1 Mosfet device with current mirror having bi-directional capability |
| 12/14/1989 | DE3918607A1 Pulse-controlled electrostatic particle accelerator |
| 12/13/1989 | EP0346211A1 Touch switch using the properties of a liquid crystal |
| 12/13/1989 | EP0345985A2 Communication circuit connection |
| 12/13/1989 | EP0345623A2 Switching device for broad-band signals |
| 12/13/1989 | EP0345339A1 Darlington amplifier with high speed turnoff |
| 12/13/1989 | CN2049443U Sensing switch |
| 12/13/1989 | CN2049442U Solid contactor for three phase power |
| 12/13/1989 | CN2049441U Electricity-saving time delay switch |
| 12/13/1989 | CN2049440U Multipurpose electricity-saving controller |
| 12/13/1989 | CN2049433U Voltage regulating relay |