Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
03/1992
03/18/1992CN2099390U Power source socket controlled by sound
03/18/1992CN2099331U Contactless program controller using electronic cam
03/17/1992US5097227 Microwave oscillator position sensor
03/17/1992US5097160 Method of transmitting pulse signal and apparatus therefor
03/17/1992US5097152 Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same
03/17/1992US5097148 Integrated circuit buffer with improved drive capability
03/17/1992US5097145 Light emitting element drive circuit
03/17/1992US5097142 Balancing network for parallel connected transistors
03/17/1992US5097113 Touch switch arrangement for a heating cooking appliance
03/17/1992US5096147 In-circuit contact monitor
03/17/1992CA1297533C Voltage converter
03/11/1992EP0474367A2 Driver circuit
03/11/1992EP0473957A2 Interrupted resonance energy transfer system
03/11/1992EP0473840A1 Controlled slew rate buffer
03/11/1992EP0327608B1 Cmos threshold circuit
03/11/1992CN2098780U Timing lamp group with turn-off alarm
03/11/1992CN2098763U Wireless remotecontrol switch for power supply
03/11/1992CN2098762U Multifunctional electronic timming switch
03/11/1992CN2098761U Multifunctional switch for turning antenna of tv
03/11/1992CN1059434A Multifunctional electronic proximity delayed-action switch
03/10/1992US5095229 Full-swing bicmos driver
03/10/1992US5095228 Circuits for preventing breakdown of low-voltage device inputs during high voltage antifuse programming
03/10/1992US5095224 Interrupted resonance energy transfer system
03/10/1992US5095220 Circuit configuration for potential triggering of a field effect transistor
03/10/1992US5095200 Optoelectronic memory, logic, and interconnection device including an optical bistable circuit
03/05/1992WO1992003646A1 Process and device for driving an electromagnetic consumer
03/05/1992DE4108886C1 Sensor e.g. proximity switch, IR transceiver - has line connection terminals of plug contacts designed as limbs of bifurcation
03/04/1992EP0473439A2 Electronic switch comprising a photosensitive semiconductor
03/04/1992EP0473370A1 Gain control circuit
03/04/1992EP0473136A2 Electronic switching device, preferably operating without contact
03/04/1992EP0472971A2 Piezoelectric driver using resonant energy transfer
03/04/1992EP0472919A2 Electronic switching device, preferably operating without contact
03/04/1992EP0472902A2 Silicon controlled rectifier gate conduction detector
03/04/1992EP0472888A1 Flat keyboard
03/04/1992EP0472607A1 Method and apparatus for controlling the operation of a solenoid
03/04/1992EP0199752B1 Automatic control using proximity sensors
03/04/1992CN2098124U Sound and light control switch
03/04/1992CN2098123U Solid-state relay
03/04/1992CN2098122U Transistor switch self-protecting driver
03/03/1992US5093630 Overvoltage protection in series thyristor string for static var compensator
03/03/1992US5093617 Hall-effect sensor having integrally molded frame with printed conductor thereon
03/03/1992US5093612 Secondary voltage supply and voltage clamping circuit
03/03/1992CA1296796C Broadband signal switching equipment
03/01/1992CA2049150A1 Flat piezoelectric keyboard
02/1992
02/27/1992DE4026679A1 On=off switching device for compensation capacitors - consists of two thyristors in antiparallel energised by control dependent on voltage difference
02/26/1992EP0471901A1 Elevator control and indicator device
02/26/1992CN2097494U Light guide controller for road lamp
02/26/1992CN2097479U Touch type electronic voltage-regulating switch
02/26/1992CN2097478U Human body induction auto-switch
02/26/1992CN2097477U Sound-control microlight music door bell
02/25/1992US5091818 Overvoltage protecting circuit
02/25/1992US5091816 Procedure and device for overload and short-circuit protection of output drivers
02/25/1992US5091664 Insulated gate bipolar transistor circuit with overcurrent protection
02/25/1992US5091658 Circuit configuration for noise signal compensation
02/25/1992US5091657 High speed multiplex switch circuit and method
02/25/1992US5090212 Cutoff switch for refrigerant container
02/25/1992CA1296434C Hall-type transducing device
02/25/1992CA1296395C Current source technology
02/20/1992DE4029794A1 Verfahren und einrichtung zur ansteuerung eines elektromagnetischen verbrauchers Method and device for activation of an electromagnetic consumer's
02/19/1992EP0471289A1 High speed output buffer unit preliminarily shifting output voltage level
02/19/1992CN2096859U Sound-control light lamp holder
02/19/1992CN2096848U Universal inductive switch
02/19/1992CN2096847U Three-phase ac. electronic switch
02/19/1992CN2096846U Timly safety temp. switch
02/19/1992CN2096216U Automatic electronic sterilising device for refrigerator
02/19/1992CN1058878A Sound-control colour-changed lamp
02/18/1992USRE33825 Sub-milliamp mechanical relay control
02/18/1992US5089948 High speed optoisolator switching apparatus
02/18/1992US5089728 Spike current reduction in cmos switch drivers
02/18/1992US5089727 Pulsed driver circuit
02/18/1992US5089722 High speed output buffer circuit with overlap current control
02/18/1992US5089721 Ground bounce isolation and high speed output circuit
02/18/1992US5089720 Bridge type switching circuit having a single switchable current source
02/18/1992US5089719 Drive circuit for a semiconductor device with high voltage for turn-on and low voltage for normal operation
02/18/1992US5089716 Simplified driver for controlled flux ferrite phase shifter
02/18/1992CA1296074C Fet capacitance driver logic circuit
02/18/1992CA1296057C Low voltage control circuit
02/16/1992WO1992003876A1 A combination of a proximity switch and a target, a proximity switch and a target for such a combination
02/16/1992CA2089581A1 Combination of a proximity switch and a target, a proximity switch and a target for such a combination
02/13/1992DE4037348C1 Protective circuitry for power semiconductor switches - uses bridging voltage clamping circuit consisting of diode and Zener diode belonging to rectifier pair
02/13/1992DE4024899A1 Inductive proximity switch with annular sensor head - has defined response zone detecting precise position of drill bit
02/12/1992EP0470850A2 Circuit for switching high voltage thin film transistor
02/12/1992CN2096167U Acoustic-optic induction controlled self-turning-off switch
02/12/1992CN2096166U Sound and optic controlled automatic switch
02/12/1992CN2096165U Contactless contactor for ac appliance
02/12/1992CN2096164U Electronic timed alarm
02/12/1992CN2096148U Power saving life prolonging protector for household electric appliance
02/11/1992US5088071 Time switch
02/11/1992US5088017 DC-DC converter and a computer using the converter
02/11/1992US5087841 TTL to CMOS translating circuits without static current
02/11/1992US5087838 Sourcing or sinking output circuit
02/11/1992US5087833 Signal switching circuit and signal change-over circuit using the same
02/11/1992US5087827 Variable voltage transition circuit
02/11/1992US5087825 Capacity responsive keyboard
02/06/1992WO1992002072A1 Miniaturized switching power supply with programmed level gate drive
02/06/1992WO1992002052A1 Master slice semiconductor integrated circuit
02/06/1992DE4023502A1 Electronic switch with e.g. opto-electronic proximity sensor
02/05/1992EP0469634A1 Pulse phase adjusting circuit for use with an electrostatic capacitor type sensor
02/05/1992EP0469588A2 Improvements in or relating to integrated circuits
02/05/1992EP0469244A2 Light emitting element drive circuit