| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 04/12/1994 | US5302859 Symmetric, high speed, voltage switching circuit possessing reverse voltage application immunity |
| 04/07/1994 | DE4325406A1 Proximity switch for sensing metallic object, with constant total resistance in processing circuit - includes sensing impedance controlled in dependence on measured current and providing output signal from its voltage drop |
| 04/06/1994 | EP0591022A1 Voltage boosting circuit of the charge pump type with bootstrap oscillator |
| 04/06/1994 | EP0590895A2 Bi-directional MOSFET switch |
| 04/06/1994 | EP0590811A1 Capacitively cross-coupled DCS emitter-follower output stage |
| 04/06/1994 | EP0590716A2 Drive circuit for a flyback converter with switching transistors in bridge arrangement |
| 04/06/1994 | EP0590687A1 Apparatus and technique for connecting a source of zero crossing AC voltage to and disconnecting it from an AC load line |
| 04/06/1994 | EP0590666A2 Switching boosting circuit |
| 04/06/1994 | EP0590303A2 Integrable zero-point detector |
| 04/06/1994 | EP0590223A1 Method and device to recover energy in driving inductive loads |
| 04/06/1994 | EP0590167A1 Power switch |
| 04/06/1994 | CN2161021Y Decorative electronic switch |
| 04/06/1994 | CN2161020Y Automatic electronic switch for mini electric pump |
| 04/06/1994 | CN2161019Y Infrared remote touch wall switch |
| 04/06/1994 | CN1085025A 数字式速度继电器 Digital speed relay |
| 04/05/1994 | US5301369 Circuit with adjustable release time |
| 04/05/1994 | US5301085 Control circuit for a semiconductor switch |
| 04/05/1994 | US5300900 High-frequency limiter and switch-limiter circuit having improved recovery time |
| 04/05/1994 | US5300837 Delay compensation technique for buffers |
| 04/05/1994 | US5300832 Voltage interfacing buffer with isolation transistors used for overvoltage protection |
| 04/05/1994 | US5300828 Slew rate limited output buffer with bypass circuitry |
| 04/05/1994 | US5300822 Power-on-reset circuit |
| 04/05/1994 | US5300821 Power controller |
| 03/31/1994 | WO1994007309A1 Driving circuit for a gate turn-off thyristor |
| 03/31/1994 | DE4331555A1 Adjustable inductive proximity switch - uses learning mode to determine required switch function in normal operating mode |
| 03/30/1994 | EP0589797A1 Self testable switching system |
| 03/30/1994 | EP0589123A1 A driver circuit for an electronic switch |
| 03/30/1994 | EP0588846A1 A multipurpose optical intelligent key board apparatus. |
| 03/30/1994 | CN2160187Y 电子启辉器 Electronic starter |
| 03/30/1994 | CN2160173Y AC photoelectric switch |
| 03/30/1994 | CN2160172Y Energy saving auto switch |
| 03/30/1994 | CN2160171Y General infrared remote control switch for household electric appliance power source |
| 03/30/1994 | CN2160162Y Multifunctional controller for household electric appliance |
| 03/29/1994 | US5298848 Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor |
| 03/29/1994 | US5298817 High-frequency solid-state relay |
| 03/29/1994 | US5298810 BiCMOS CMOS/ECL data multiplexer |
| 03/29/1994 | US5298805 Versatile and efficient cell-to-local bus interface in a configurable logic array |
| 03/29/1994 | US5298804 Output circuit which surpresses ringing |
| 03/29/1994 | US5298802 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions |
| 03/29/1994 | US5298801 Track-and-hold circuit |
| 03/29/1994 | US5298797 Gate charge recovery circuit for gate-driven semiconductor devices |
| 03/29/1994 | US5298770 Power switching MOS transistor |
| 03/24/1994 | DE4231389A1 Variable control current supply circuit contg. two current paths - produces subsidiary control signal for variation of current in one path to steepen slopes of output current waveform. |
| 03/24/1994 | DE4231307A1 Analogue switch integrated in bipolar or MOS technology - 1 has two amplifiers each with open collector output stages which are activated in opposed phase to each other by control signal |
| 03/24/1994 | DE4231037A1 Current limiting circuit for reactive load, e.g. in IC engine ignition control - adjusts maximum load current using controllable voltage divider with switching signal generated from microprocessor depending on system parameters |
| 03/23/1994 | EP0588635A1 Gate power supply circuit |
| 03/23/1994 | EP0588005A1 Pilot light interface for small industrial controls |
| 03/23/1994 | EP0587999A1 Transition-controlled off-chip driver |
| 03/22/1994 | US5296766 CMOS circuit with crowbar limiting function |
| 03/22/1994 | US5296765 Driver circuit for sinking current to two supply voltages |
| 03/22/1994 | US5296762 Bidirectional microwave amplifier apparatus |
| 03/22/1994 | US5296760 Voltage translator |
| 03/22/1994 | US5296759 Diagonal wiring between abutting logic cells in a configurable logic array |
| 03/22/1994 | US5296758 Output buffer with ground bounce compensation |
| 03/22/1994 | US5296757 Low-noise output driver having separate supply lines and sequenced operation for transient and steady-state portions |
| 03/22/1994 | US5296732 Bipolar transistor |
| 03/22/1994 | US5296698 Lateral photo-sensing device, opt-electronic integrated circuit using the lateral photo-sensing device and photo-logic device using the lateral photo-sensing device |
| 03/17/1994 | WO1994006264A1 Instrument |
| 03/17/1994 | WO1994006209A1 Gate-drive circuit |
| 03/17/1994 | WO1994006145A1 Inductive load dump circuit |
| 03/17/1994 | WO1994006143A1 Touch sensitive switching apparatus |
| 03/17/1994 | WO1994006114A1 Process and device for controlling with pulsed signals |
| 03/16/1994 | CN1083987A High-power FET switch circuit |
| 03/15/1994 | US5294919 Pulse generation circuit for row selection pulses and method for generating said pulses |
| 03/15/1994 | US5294843 Freewheeling diode circuit |
| 03/15/1994 | US5294842 Update synchronizer |
| 03/15/1994 | CA1327835C Overvoltage protection device for thyristor valve |
| 03/10/1994 | DE4229440A1 Inductive load switching circuitry - uses two switches in series and in parallel with load supplied with inverse control signals |
| 03/10/1994 | DE4229342A1 Verfahren und Vorrichtung zur Ansteuerung mit gepulsten Signalen Method and apparatus for driving with pulsed signals |
| 03/10/1994 | DE4228643A1 Switch module for domestic electrical network - detects ON=OFF switching of supply voltage to connect voltage input to required output |
| 03/09/1994 | EP0586208A1 Output driver circuit |
| 03/09/1994 | EP0586207A1 Integrated circuit output driver |
| 03/09/1994 | EP0585926A2 Insulated gate semiconductor device |
| 03/09/1994 | EP0585847A2 Power MOSFET safe operating area current limiting device |
| 03/09/1994 | EP0585505A1 Low noise buffer |
| 03/09/1994 | EP0426677B1 Detection circuitry |
| 03/09/1994 | EP0377619B1 High-voltage switch and method to control user circuits by means of this switch |
| 03/09/1994 | CN2158599Y Sensing structure for infrared photoelectric switch |
| 03/09/1994 | CN2158598Y Infrared controlled automatic switch |
| 03/09/1994 | CN2158597Y Silicon cotrol ralay for automobile horn |
| 03/09/1994 | CN2158583Y Automatic delay and timing socket |
| 03/08/1994 | US5293505 Quick response solid state relay having a thyristor discharge circuit and a phototransistor |
| 03/08/1994 | US5293299 Fuel pump control circuit |
| 03/08/1994 | US5293111 Method for minimizing the switching loss in a power switch |
| 03/08/1994 | US5293084 High speed logic circuit |
| 03/08/1994 | US5293083 Fast limited swing push-pull driver |
| 03/08/1994 | US5293082 Output driver for reducing transient noise in integrated circuits |
| 03/08/1994 | US5293077 Power switching circuit |
| 03/03/1994 | WO1994007300A1 Snubber circuit, switching power-supply, and saturable inductor used for them |
| 03/03/1994 | WO1994005084A1 Cryogenic electronics power supply and power sink |
| 03/03/1994 | WO1994005082A1 Method for transmission of a high frequency logical signal by means of inductive coupling with high galvanic isolation |
| 03/03/1994 | WO1994005022A1 Superconducting control elements for rf antennas |
| 03/03/1994 | DE4228119A1 Integrated Power Transistor Circuit - has transistor control circuit isolated via two opto-coupler sets, with LED of one set connected to base of transistor of other set |
| 03/02/1994 | EP0585115A2 Analog multiplexer |
| 03/02/1994 | EP0584622A1 Flow inverter with RCD-discharge circuit |
| 03/02/1994 | EP0584621A1 Forward DC-DC converter with RCD snubber circuit |
| 03/02/1994 | EP0584402A1 Circuit calculating the maximum value |
| 03/02/1994 | EP0396695B1 Universal output circuit |
| 03/02/1994 | EP0273961B1 Method and apparatus for controlling the amount of magnetic flux imparted to a ferrimagnetic load |
| 03/02/1994 | CN2158154Y Optical controlling voice-operated switch |