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