| Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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| 01/20/1994 | WO1994001961A1 Switching arrangement for a communications channel |
| 01/20/1994 | WO1994001960A1 Remotely actuated switch and protection circuit |
| 01/20/1994 | WO1994001936A1 A control circuit system for control of parameters in logic circuits or similar |
| 01/20/1994 | WO1994001935A1 Adaptive keypad |
| 01/20/1994 | DE4223338A1 Overload protection circuit for regulator setting element |
| 01/20/1994 | DE4217033C1 Solid state relay using e.g. top-FET semiconductor switch - has transformer isolating control and power sections, and temperature-dependent resistor for detecting overheating |
| 01/20/1994 | CA2139436A1 Switching arrangement for a communications channel |
| 01/20/1994 | CA2139435A1 Remotely actuated switch and protection circuit |
| 01/19/1994 | EP0579561A1 Protection circuit for power components against overvoltages |
| 01/19/1994 | EP0578958A1 Overload protection circuit |
| 01/19/1994 | CN2153921Y Fully automatic time-delay switch |
| 01/19/1994 | CN2153910Y Single-phase timing switch |
| 01/19/1994 | CN2153909Y Cmos time-delay touch switch |
| 01/19/1994 | CN2153908Y General-purpose double-end electronic switch with duty indicaton |
| 01/19/1994 | CN2153907Y Sectional light display time relay |
| 01/19/1994 | CN2153906Y Infrared telecontrol multichannel pause automatic power-off switch for domestic electric appliance |
| 01/19/1994 | CN2153882Y Plug capable of automatic turning on or turning off lamp |
| 01/18/1994 | US5280649 Superconducting balanced mixer |
| 01/18/1994 | US5280382 Direct current to radio frequency pulse generating system |
| 01/18/1994 | US5280196 Magnetic head drive circuit |
| 01/18/1994 | US5280168 Nanosecond signal generator |
| 01/13/1994 | DE4321988A1 Circuit for two-point inverter switching pole - has power capacitor coupled to junction points between relief diodes and capacitors of two semiconductor series connections |
| 01/13/1994 | DE4321971A1 Switching circuit for redundant automation system - has two switches operated by drive stage according to voltage drops across switches |
| 01/13/1994 | DE4321609A1 Integrated semiconductor circuit with pass transistor circuit - responds to control signal applied to pass transistor circuit to select input signal on one of multiple input connections |
| 01/13/1994 | DE4227831A1 Proximity switch using magnetic field sensor |
| 01/13/1994 | DE4140586A1 Controlling current flow through magnet coil of magnetic valve - involves measuring continuously voltage drop over magnet coil and power switch |
| 01/12/1994 | EP0578555A1 Pulse-controlled converter and electronic motor control |
| 01/12/1994 | EP0578526A1 Hugh-voltage switch circuit |
| 01/12/1994 | EP0578261A1 Proximity switch with a magnetic field sensor |
| 01/12/1994 | EP0578172A1 Microswitch with a magnetic field sensor |
| 01/12/1994 | EP0578098A1 Integrated driver circuit for a reactive load |
| 01/12/1994 | EP0578097A1 Switching stage |
| 01/12/1994 | EP0489734B1 High-speed dynamic cmos circuit |
| 01/12/1994 | CN2153199Y High-quality touch-type double-lead wire light regulating switch |
| 01/12/1994 | CN2153179Y Touchable contactless switch |
| 01/12/1994 | CN2153178Y Semiconductor photo-control timing mains switch |
| 01/12/1994 | CN2153158Y Electronic speed-regulating timer |
| 01/12/1994 | CN2153155Y Automatic switching electricity-saving lamps and lanterns |
| 01/12/1994 | CN1023535C Audio switching for audio/video system having s-video capability |
| 01/12/1994 | CN1023532C Anti-interference multi-input-single-output analog switch device |
| 01/11/1994 | US5278818 Magneto-optical recording circuitry for reversing a magnetic field |
| 01/11/1994 | US5278809 Photomagnetic recording apparatus recording with alternating magnetic field and D.C. magnetic field |
| 01/11/1994 | US5278557 Cursor movement control key and electronic computer keyboard for computers having a video display |
| 01/11/1994 | US5278523 Temperature-stable tuned-circuit oscillator, especially in a proximity switch |
| 01/11/1994 | US5278458 Threshold/voltage detection circuit |
| 01/11/1994 | US5278443 Composite semiconductor device with Schottky and pn junctions |
| 01/11/1994 | US5278422 Normally open solid state relay with minimized response time of relay action upon being turned off |
| 01/09/1994 | WO1997001222A1 Interference-protected proximity switch |
| 01/06/1994 | WO1994000900A1 Logic level current and voltage independent restraint system |
| 01/06/1994 | CA2115569A1 Logic level current and voltage independent restraint system |
| 01/05/1994 | EP0577367A2 Slew rate circuit for high side driver for a polyphase DC motor |
| 01/05/1994 | EP0577286A1 Fast limited swing push-pull driver |
| 01/05/1994 | EP0576713A1 Sensor switch for an actuating device mounted on a motor vehicle |
| 01/05/1994 | EP0576595A1 Transmission gate series multiplexer |
| 01/05/1994 | DE4233542C1 Switch=on current limiting device for power regulation of electrical appliance - uses triac switch controlled via full-wave rectifier bridge providing pulsed DC signal including time-delayed switching transistor |
| 01/05/1994 | DE4221987A1 Electronic proximity switch - has casing enclosed by protective ceramic cap, useful in automatic welding machines, press tooling, lathes etc. |
| 01/05/1994 | CN2152367Y Push button type open time delay automatic cut-off switch |
| 01/05/1994 | CN2152350Y Touching digital switch |
| 01/05/1994 | CN2152349Y 声光自动控制开关 Sound and light control switch automatically |
| 01/05/1994 | CN2152348Y Multi-way wireless remote controller |
| 01/05/1994 | CN2152347Y Automatically closing power saving switch |
| 01/05/1994 | CN1080395A Level switch |
| 01/04/1994 | US5276370 MOS-type semiconductor device drive circuit |
| 01/04/1994 | US5276359 Current-input type interface circuit of a mouse |
| 01/04/1994 | US5276358 Circuitry and method for controlling voltage in an electronic circuit |
| 01/04/1994 | US5276357 High efficiency quasi-square wave drive circuit for switching power amplifiers |
| 01/04/1994 | US5276356 High speed output circuit having current driving capability which is independent of temperature and power supply voltage |
| 01/04/1994 | US5276355 Change-over circuit for tester implemented by using diode-bridge type analog switches |
| 01/04/1994 | CA2026989C Water supply control system |
| 01/04/1994 | CA1325841C Monitoring equipment for the safety devices used in vehicles when driving in reverse |
| 12/29/1993 | EP0576400A1 Method of making piezoelectric pressure-sensitive key or keyboard and product of the method |
| 12/29/1993 | EP0576286A2 Magnetic head driving device and magnetooptical recording apparatus |
| 12/29/1993 | EP0576206A1 Break-before-make control for form C solid-state relays |
| 12/29/1993 | EP0576204A1 Integrated circuit buffer with controlled rise and fall times |
| 12/29/1993 | EP0575912A1 Method and device for verifying functioning of a detection system with sensor |
| 12/29/1993 | EP0575687A1 Power-on reset circuit having a low static consumption |
| 12/29/1993 | EP0575676A1 Logic output driver |
| 12/29/1993 | EP0575587A1 Undervoltage detection circuit |
| 12/29/1993 | EP0424390B1 Voltage comparator |
| 12/29/1993 | CN2151584Y Sonic controlling lamp switch |
| 12/29/1993 | CN2151583Y Infrared remote controlling switch for electric resources |
| 12/29/1993 | CN2151582Y 自动开关 Automatic switch |
| 12/29/1993 | CN2151580Y Program-controlled ceiling fan switch |
| 12/29/1993 | CN2151545Y Multifunctional multiway remote controlling socket with one-chip computer |
| 12/29/1993 | CN1023365C Programmable inverse time delay circuit |
| 12/28/1993 | US5274541 Parallel circuit module including a diode and an IGBT |
| 12/28/1993 | US5274524 Programmable protection circuit and its monolithic manufacturing |
| 12/28/1993 | US5274343 Plural switch circuits having RF propagation networks and RF terminations |
| 12/28/1993 | US5274284 Output buffer circuits with controlled Miller effect capacitance |
| 12/28/1993 | US5274281 Static PLA with state machine controlled by model of both minterm and an output line |
| 12/28/1993 | US5274276 Output driver circuit comprising a programmable circuit for determining the potential at the output node and the method of implementing the circuit |
| 12/28/1993 | US5274274 Power controller |
| 12/28/1993 | US5274271 Ultra-short pulse generator |
| 12/28/1993 | US5273151 Resonant coil coin detection apparatus |
| 12/28/1993 | CA1325669C Broadband signal switching matrix network |
| 12/23/1993 | WO1993026092A1 Cmos current steering circuit |
| 12/23/1993 | WO1993026091A1 System and method for reducing ground bounce in integrated circuit output buffers |
| 12/23/1993 | DE4233488C1 Switch device monitoring circuit for proximity-controlled switch - uses fault and/or condition indicator detecting voltage across switch or measuring resistance to indicate fault or switch condition |
| 12/23/1993 | DE4220421A1 Superconductive switch matrix for digital transmission network nodes - combines switches and memories having steep-sided characteristics with comparatively slow circuit elements and delay lines |
| 12/23/1993 | DE4219644A1 Load reduction circuit for hf pulse rectifier - uses inductors on primary side for switch-on load reduction of semiconductor switch pairs |