Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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08/24/1993 | US5239204 Electronic proximity switch dependent upon a magnetic field |
08/24/1993 | US5239181 Bridge type optoelectronic sample and hold circuit |
08/24/1993 | US5239152 Touch sensor panel with hidden graphic mode |
08/24/1993 | US5239140 Pattern input apparatus |
08/24/1993 | US5239130 Electronic proximity switch |
08/24/1993 | US5237879 Apparatus for dynamically varying the resolution of a tactile sensor array |
08/24/1993 | CA1321508C Multiplexer circuit |
08/21/1993 | WO1993017500A1 Differential ecl circuit |
08/19/1993 | DE4204844A1 Voltage or current control of thyratron for gas-laser switching - determining error pulse rate or repetition rate of gas laser and setting operating voltage or current accordingly |
08/19/1993 | DE4204013A1 Reflection scanner e.g. for object position sensing - has photosensitive elements connected in pairs in antiparallel, and arranged so that one element of one pair lies between two elements of other pair |
08/18/1993 | EP0555648A2 Circuit for controlling field-controlled power switches |
08/18/1993 | EP0555539A2 Stable voltage reference circuit with high Vt devices |
08/18/1993 | CN2140597Y Full automatic intelligent lamp controller |
08/18/1993 | CN2140595Y General automatic thermostat for electrothermal blanket |
08/18/1993 | CN2140590Y Optical-control delayed on-off switch |
08/18/1993 | CN2140588Y Contact stepless governor |
08/18/1993 | CN2140568Y Colour tv remote-control socket |
08/18/1993 | CN1021873C Flash lamp synchronous unit |
08/18/1993 | CN1021871C Dc/ac bridge circuit |
08/17/1993 | US5237573 Method and apparatus for selectively switching between input signals |
08/17/1993 | US5237304 Magnetic switch with EMI shield |
08/17/1993 | US5237225 Switching arrangement for an rf gto |
08/17/1993 | US5237216 High-speed cml push-pull logic circuit having temperature compensated biasing |
08/17/1993 | US5237213 Semiconductor integrated circuit with low-noise output buffers |
08/17/1993 | US5237211 Bidirectional switch circuit with automatic return-current path selector |
08/11/1993 | EP0554936A1 Arrangement for turning on and turning off a power transistor |
08/11/1993 | EP0554903A2 Snubber energy recovery circuit for protecting switching devices from voltage and current |
08/11/1993 | EP0461132B1 Circuit arrangement for reversing a magnetic field |
08/11/1993 | CN2140086Y Auto-controlled power for providing gas poisoning |
08/11/1993 | CN1075239A Remote-controlled master switch facility |
08/10/1993 | US5235520 Integrated circuit having a function for generating a constant voltage |
08/10/1993 | US5235501 High efficiency voltage converter |
08/10/1993 | US5235490 Trigger circuit for an electromagnetic device |
08/10/1993 | US5235487 Inverter with overload current protection |
08/10/1993 | US5235292 Signal generator having backup oscillator switching circuit |
08/10/1993 | US5235224 Current detecting circuit using pulse transformer |
08/10/1993 | US5235218 Switching constant current source circuit |
08/10/1993 | US5235217 Capacitive press control actuation system |
08/10/1993 | US5235215 Memory device for use in power control circuits |
08/10/1993 | US5234744 Illuminated button key |
08/05/1993 | WO1993015554A1 Proximity switch adaptable to various sensor sizes |
08/05/1993 | WO1993015518A1 A touch responsive control panel |
08/05/1993 | WO1993014812A1 Device for remotely controlling the output of a current generator with one hand immersed in a conductive liquid |
08/05/1993 | WO1993010597A3 Symmetric, high speed, voltage switching circuit |
08/05/1993 | WO1993009599A3 Analog-to-digital converter and method of fabrication |
08/04/1993 | EP0554154A1 Switching control circuit for excitation current control device |
08/04/1993 | EP0553881A1 Piezoelectric electronic switch |
08/04/1993 | CN2139763Y Circuit device of lamp autocontrolled by heat from human body |
08/04/1993 | CN2139754Y Multipurpose solid-state switch |
08/04/1993 | CN2139753Y Sound-control electronic time-delay switch |
08/04/1993 | CN2139752Y Ultrasonic telecontrol switch |
08/03/1993 | US5233638 Timer input control circuit and counter control circuit |
08/03/1993 | US5233577 Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus |
08/03/1993 | US5233495 Device for protecting against operational overloads, at opening, for static relays with semi-conductors |
08/03/1993 | US5233294 Inductive proximity sensor and position transducer with a passive scale |
08/03/1993 | US5233289 Voltage divider and use as bias network for stacked transistors |
08/03/1993 | US5233238 High power buffer with increased current stability |
08/03/1993 | US5233237 Bicmos output buffer noise reduction circuit |
08/03/1993 | US5233233 Multiplexer for use in a full adder having different gate delays |
08/03/1993 | US5233231 Control-safe capacitive switch |
08/03/1993 | US5233184 Matrix addressed S-SEED optical modulator array |
08/03/1993 | US5233180 Light sensor having an integration circuit |
07/31/1993 | CA2088425A1 Piezoelectric electronic switch |
07/28/1993 | EP0553020A1 TTL-CMOS output stage for integrated circuits |
07/28/1993 | EP0552905A1 Triac |
07/28/1993 | EP0552169A1 High-voltage switch |
07/28/1993 | CN2139336Y Acousto-optic controlled electronic lighting switch |
07/28/1993 | CN2139329Y Electronic remotecontrol switch |
07/28/1993 | CN2139328Y Delay switch for electrical appliances |
07/27/1993 | US5231351 Magnetoresistive speed sensor processing circuit utilizing a symmetrical hysteresis signal |
07/27/1993 | US5231326 Piezoelectric electronic switch |
07/27/1993 | US5231259 Radiation manufacturing apparatus |
07/22/1993 | WO1993014569A1 Undervoltage detection circuit |
07/22/1993 | WO1993014568A1 Driver circuit |
07/22/1993 | DE4300953A1 Temp.-stabilised electronic ignition for IC engine - has series opposition Zener diodes between base of control transistor and earth |
07/21/1993 | EP0551906A1 Switchable MOS-current mirror |
07/21/1993 | EP0551565A2 Remote disconnection device |
07/21/1993 | CN2138876Y Voice controlled lamp and voice controller |
07/21/1993 | CN2138854Y Thermal vibration protector of motor |
07/21/1993 | CN2138833Y Time controller for domestic electric appliance |
07/21/1993 | CN1074568A Positive-feedback transistor switching circuit |
07/21/1993 | CN1074567A Driver capable of protecting semiconductor switch |
07/20/1993 | US5229731 Power amplifying circuit capable of switching amplification mode |
07/20/1993 | US5229707 Apparatus and method for eliminating false current limit triggering in a grounded source-emitter power switching circuit |
07/20/1993 | US5229663 Emitter-coupled logic circuit device having a current switch and an emitter follower which respectively have common emitter current gains selected to minimize delay time |
07/20/1993 | US5229659 Low power complementary mosfet digital signal buffer circuit |
07/20/1993 | US5229655 Dual control active superconductive devices |
07/20/1993 | US5229653 Electronic switch apparatus |
07/20/1993 | CA1320544C Speed enhancement technique for cmos circuits |
07/15/1993 | DE4200681A1 Schaltungsanordnung zur unterspannungserkennung Circuit arrangement for under voltage detection |
07/15/1993 | DE4200680A1 Treiberschaltung Driver circuit |
07/14/1993 | EP0551240A1 Procedure for the control with the help of an optical sensor on a glass ceramics cooking-plate of a kitchen table. |
07/14/1993 | EP0550823A1 Procedure for the limitation of the current across a servo component and equipment |
07/14/1993 | CN2138368Y Remote control switch of domestic appliances |
07/14/1993 | CN2138367Y Domestic no-spark explosion-proof switch |
07/14/1993 | CN2138357Y Multifunctional energy saving controller of refrigerator |
07/13/1993 | US5227941 Protective circuit for diode switching device |
07/13/1993 | US5227781 Mosfet switch matrix |
07/13/1993 | US5227670 Electronic switch with very low dynamic "on" resistance utilizing an OP-AMP |
07/13/1993 | US5227669 Superconducting non-linear device |