| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 10/13/1988 | DE3810536A1 Semiconductor circuit |
| 10/13/1988 | DE3737841C1 Circuit arrangement for driving a gate-turn-off semiconductor switch |
| 10/13/1988 | DE3710118A1 Circuit arrangement for limiting the current in a timed DC voltage converter |
| 10/12/1988 | EP0286205A2 Power transistor drive circuit |
| 10/12/1988 | EP0286057A2 Proximity switch having an oscillation circuit |
| 10/12/1988 | EP0285928A2 Push-button for a data input keyboard |
| 10/12/1988 | EP0285915A2 Control device for an electrical apparatus |
| 10/12/1988 | EP0285674A1 Inverter |
| 10/12/1988 | CN87215336U Electronic timing switch |
| 10/12/1988 | CN85108045B 电子开关 Electronic switch |
| 10/12/1988 | CN85104913B Semiconductor module for a high-speed switching arrangement |
| 10/11/1988 | US4777503 Audio-video adapter for audiovisual equipment |
| 10/11/1988 | US4777479 Switch position indicator |
| 10/11/1988 | US4777391 Bipolar multiplexer having a select buffer circuit with a charging and discharging circuit |
| 10/11/1988 | US4777389 Output buffer circuits for reducing ground bounce noise |
| 10/11/1988 | US4777387 Solid state relay circuit |
| 10/11/1988 | US4777386 Driver circuit for a bipolar Darlington power transistor |
| 10/11/1988 | US4777382 Pulse width logic/power isolation circuit |
| 10/11/1988 | US4777375 Intrinsically safe matrix keypad having opto-couplers associated with each row and column of switches |
| 10/11/1988 | US4776314 Switching circuit for controlling the current through an electrical consumer, in particular electromagnetic consumer |
| 10/06/1988 | WO1988007791A1 Low-noise transmission line termination circuitry |
| 10/05/1988 | EP0285583A1 Device for protecting an integrated circuit against overload and short circuit currents |
| 10/05/1988 | EP0285417A2 Soft start solid state switch |
| 10/05/1988 | EP0285033A2 Prohibition circuit upon power-on event |
| 10/05/1988 | EP0285016A1 Hall effect device |
| 10/05/1988 | EP0284982A2 Ignition system for internal combustion engine |
| 10/05/1988 | EP0284979A2 Integrated circuit for driving inductive loads |
| 10/05/1988 | CN88101557A 晶闸管阀 Thyristor valve |
| 10/05/1988 | CN87211374U Multifunction touching type voltage regulating switch |
| 10/05/1988 | CN87210417U Multifunction induction switch |
| 10/04/1988 | US4775925 Method and apparatus for determining the control electrode to cathode junction voltage of a control turn-off semiconductor device and use of such determined voltage in the control of the device |
| 10/04/1988 | US4775914 Device for rapidly transferring current to an inductive load |
| 10/04/1988 | US4775912 Protection device against the driving effect of parasitic transistors in monolithic integrated circuits |
| 10/04/1988 | US4775809 Output buffer circuit avoiding electrostatic breakdown |
| 10/04/1988 | US4775808 Circuit arrangement for driving an IC module with digital signals |
| 10/04/1988 | US4775803 Base drive circuit of transistor |
| 10/04/1988 | US4775801 Electronic timer |
| 09/29/1988 | DE3724241C1 Reset circuit for microprocessor or counter - has low resistance by=pass branch in parallel with resistor of RC element to stop resetting when set supply voltage is attained |
| 09/29/1988 | DE3709383A1 Device for driving transistor switches in a Darlington arrangement |
| 09/29/1988 | DE3709150A1 Control circuit for a current-controlled power semiconductor |
| 09/28/1988 | EP0284357A2 Semiconductor integrated circuit having a data output buffer circuit |
| 09/28/1988 | EP0284356A2 A data output circuit |
| 09/28/1988 | EP0283856A1 Circuit arrangement for reducing power dissipation at turn-off of a semiconductor switch connecting an inductor to a power supply |
| 09/28/1988 | EP0283487A1 Interference field-insensitive proximity detector. |
| 09/28/1988 | CN87201925U Integrated circuit braking time relay |
| 09/27/1988 | US4774717 For generating a rectangular waveform signal |
| 09/27/1988 | US4774690 Output buffer circuit |
| 09/27/1988 | US4774624 Boost voltage power supply for vehicle control system |
| 09/27/1988 | US4774620 Logic circuit |
| 09/27/1988 | US4774421 Programmable logic array device using EPROM technology |
| 09/27/1988 | US4774420 SCR-MOS circuit for driving electroluminescent displays |
| 09/27/1988 | US4774419 Transformer coupled drive circuit |
| 09/22/1988 | WO1988007292A1 Gate circuit with mos transistors |
| 09/22/1988 | WO1988007291A1 Control of electrical circuits |
| 09/21/1988 | EP0283291A2 Differential magnetic proximity detector |
| 09/21/1988 | EP0283268A1 An overvoltage protection device for thyristor valve |
| 09/21/1988 | EP0283230A2 A register circuit |
| 09/21/1988 | EP0282981A2 Digital push-pull driver circuit |
| 09/21/1988 | EP0282702A2 Bifet logic circuit |
| 09/21/1988 | CN88210818U Induced table lamp |
| 09/21/1988 | CN88100334A Digital circuit exchange and diriding group exchange network and exchange equipment thereof |
| 09/21/1988 | CN87217021U Control of dc stabilized voltage supply switch |
| 09/21/1988 | CN87215330U Power-saving protector for refrigerator |
| 09/20/1988 | US4772979 Voltage shock protection circuit |
| 09/20/1988 | US4772810 Apparatus for non-dissipative switching transistor snubber |
| 09/14/1988 | EP0281739A2 Semiconductor device comprising a thyristor |
| 09/14/1988 | EP0281684A1 Over-voltage-protected Darlington switch |
| 09/14/1988 | EP0281552A1 Integrated circuits |
| 09/14/1988 | CN87216780U Light-operated switch |
| 09/14/1988 | CN87206806U Contactless delay switch |
| 09/14/1988 | CN87107104A Photoelectric controller of street lamp with variable illuminance |
| 09/13/1988 | US4771451 Polarity ring director |
| 09/13/1988 | US4771359 Non-contact proximity switch |
| 09/13/1988 | US4771357 Power driver having short circuit protection |
| 09/13/1988 | US4771217 Vertical deflection circuit for a cathode-ray tube having a vertical image-position adjustment circuit |
| 09/13/1988 | US4771195 Integrated circuit to reduce switching noise |
| 09/13/1988 | US4771194 Sense amplifier for amplifying signals on a biased line |
| 09/13/1988 | US4771189 FET gate current limiter circuit |
| 09/07/1988 | EP0280800A1 Narrow range gate baseband receiver |
| 09/07/1988 | CN88101063A Linearity control circuit for digital to analog converter |
| 09/07/1988 | CN87213334U Automatic ultrared electric energy-saving controller with multi-contactor |
| 09/06/1988 | US4769561 Bipolar transistor-field effect transistor composite circuit |
| 09/06/1988 | US4769559 Switchable current source |
| 09/06/1988 | CA1241784A1 Circuit for switching between balanced networks |
| 09/01/1988 | DE3805247A1 Proximity sensor having a head which can be aligned |
| 09/01/1988 | DE3705249A1 Circuit arrangement for decoupling the output of a voltage converter |
| 08/31/1988 | EP0280536A2 Turn-on driving technique for insulated gate thyristor |
| 08/31/1988 | CN87204017U Fireproof protector for electric appliance |
| 08/30/1988 | US4768020 Hot body intrusion activated light control unit with daylight photocell deactivation override |
| 08/30/1988 | US4767979 Switching circuit device using current mirror circuits |
| 08/30/1988 | US4767952 High speed control circuit for power field effect transistors |
| 08/30/1988 | US4767948 Method and device for driving semiconductor power components |
| 08/30/1988 | US4767945 Analog signal multiplexer |
| 08/30/1988 | US4767942 Current mirror amplifier circuit |
| 08/30/1988 | US4766847 Apparatus and system for animal training |
| 08/30/1988 | CA1241387A1 Integrated logic buffer circuit |
| 08/30/1988 | CA1241371A1 Fail-safe output switching circuit |
| 08/25/1988 | DE3705010A1 Domestic apparatus with mechanical operating element |
| 08/25/1988 | DE3703838A1 Driving method for protecting MOS power transistors on inductive loads |
| 08/24/1988 | EP0279349A2 Complementary acoustic charge transport devices and method |