Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
09/1993
09/29/1993EP0562776A1 Driver circuit for sinking current to two supply voltages
09/29/1993EP0562397A2 Dual threshold differential discriminator
09/29/1993EP0561900A1 Circuit protection device
09/29/1993EP0561775A1 Circuit for reversing a magnetic field.
09/29/1993CN2143038Y Multi-function wall switch
09/29/1993CN2143037Y Voice-operated switch
09/29/1993CN2143030Y Acousto-optic double-control delay switch
09/29/1993CN2143029Y Two-stage skew-flow fan
09/28/1993US5249155 Semiconductor device incorporating internal voltage down converting circuit
09/28/1993US5248937 Circuit configuration for signal testing of functional units of integrated circuits
09/28/1993US5248907 Output buffer with controlled output level
09/28/1993US5248906 High speed CMOS output buffer circuit minimizes output signal oscillation and steady state current
09/28/1993US5248905 High speed, master/slave latch transceiver having a directly-driven slave stage
09/23/1993DE4230950C1 Electromagnetic pushbutton switch with variable restoring force - has coil with permanent-magnet core which doubles as sensor of movement or position of button and as actuator for additional movement dependent on switching function
09/23/1993DE4225267A1 Electronic proximity switch wing tubular housing - has stopper at one housing side with cable bushing of meltable adhesive
09/23/1993DE4208731A1 Integrated circuit with transfer element e.g. for DRAM word-line driver - has gate oxide thickness of transfer element greater than thickness of CMOS circuit block
09/22/1993EP0561721A1 Switch for alternating tensions
09/22/1993EP0561669A1 Touch input device
09/22/1993EP0561579A2 Coin box structure
09/22/1993EP0561456A1 Frequency synthesizer using a fast switching current mirror and device using such a synthesizer
09/22/1993EP0561386A1 Semiconductor device
09/22/1993EP0561316A1 Driving circuit for a voltage-controlled semi-conducteur switch
09/22/1993EP0419457B1 Apparatus for detecting the condition of switches on one transmission line
09/22/1993CN2142628Y Separable contact controller of desk lamp
09/22/1993CN2142621Y Overvoltage protection type multifunction light controlled appliance switch
09/21/1993US5247478 Programmable transfer-devices
09/21/1993US5247301 Analog-to-digital conversion method and apparatus with a controlled switch for high-speed conversion
09/21/1993US5247294 Signal select control circuit and signal select circuit using the same
09/21/1993US5247253 Eddy current proximity sensing means and method useful for determining throttle position
09/21/1993US5247242 Output module
09/21/1993US5247240 Miniaturized switching power supply with circuit for unidirectional suppression of leading spike
09/21/1993US5247207 Signal bus line driver circuit
09/21/1993US5247139 Two-channel forked light barrier detecting vertical position
09/16/1993WO1993018552A1 Circuit construction for controlling saturation of a transistor
09/16/1993DE4305864A1 Output buffer digital driver - has overshoot limiting and changes impedance with output voltage
09/16/1993DE4207772A1 Sensor switching arrangement with object size detection, esp. for glass ceramic cooking hob - comprises sensors around light source and produces output signal when one sensor detects light level above first threshold and other sensor detects light below other threshold
09/16/1993DE4207225A1 Integrated circuit state equaliser eg for sensor - has control for rendering equalising path conductive using Zener diode or discharge and thyristor circuit
09/16/1993DE4206393A1 Semiconductor relay with optical coupler for sepg. input and load circuit - and prodn. in small area of semiconductor chip with slightly doped n=islets
09/15/1993EP0560320A1 Clock generator
09/15/1993EP0560086A2 Protection circuit for a power-MOSFET driving an inductive load
09/15/1993EP0559996A1 MOS half-bridge drive circuit, particularly for power MOS half-bridges
09/15/1993CN2142243Y Computer speed controller for hanging fan
09/15/1993CN2142232Y Special acoustic controlling coupling device for bulb
09/15/1993CN2142231Y Lamp cap type acoustooptical control automatic switch
09/14/1993US5245526 Below ground current sensing with current input to control threshold
09/14/1993US5245523 Power delivery circuit with current detection
09/14/1993US5245230 Low substrate injection n-channel output stage
09/14/1993US5245228 Level inverter circuit
09/13/1993CA2062934A1 Light trigger
09/12/1993CA2091381A1 Clock generator
09/08/1993EP0559469A2 Magnetic head driving device and magnetooptical recording apparatus
09/08/1993EP0558871A1 Touch-key switch having a layered structure
09/08/1993CN2141951Y Self-reset safety switch
09/08/1993CN1022076C Power-up pulse generator circuit
09/07/1993US5243599 Tree-type multiplexers and methods for configuring the same
09/07/1993US5243236 High voltage CMOS switch with protection against diffusion to well reverse junction breakdown
09/07/1993US5243234 Dual gate LDMOSFET device for reducing on state resistance
09/07/1993US5243233 Power on reset circuit having operational voltage trip point
09/07/1993US5243232 Start-up pulse suppression circuit for industrial controller output
09/07/1993US5243230 Pulse generator circuit
09/07/1993US5243182 Photoelectric switch including synch timing signal emitter and detector and photoelectric detector system using the same
09/07/1993CA1322023C Power transistor drive circuit with improved short circuit protection
09/02/1993WO1993017514A1 Telephone subscriber line circuit, components and methods
09/02/1993WO1993017499A1 Bi-cmos output circuit
09/02/1993WO1993017498A1 BiCMOS LOGIC CIRCUIT
09/02/1993WO1993017495A1 Amplifier circuit with switch
09/02/1993CA2130183A1 Telephone subscriber line circuit, components and methods
09/02/1993CA2127474A1 Bicmos logic circuit
09/01/1993EP0558042A1 Auto-reset circuit with improved testability
09/01/1993EP0557903A1 Multi-series inverter arrangement
09/01/1993EP0557850A2 Circuit arrangement for limiting the load current of a power MOSFET
09/01/1993EP0557443A1 Gyrating programmable scanner
09/01/1993CN2141633Y Sound and light automatic controlling time delay lamp
09/01/1993CN2141624Y Impact type switch
09/01/1993CN2141623Y Photo controlled time delay switch
09/01/1993CN2141622Y Contactless switch
09/01/1993CN2141621Y 时间控制器 Time controller
09/01/1993CN2141595Y Automatic resetting illuminous time delay device
08/1993
08/31/1993US5241502 Data output buffer circuit with precharged bootstrap circuit
08/31/1993US5241447 Magnetic switch structure and method employing superconductive material
08/31/1993US5241221 CMOS driver circuit having reduced switching noise
08/31/1993CA1321820C Digital circuit interrupter with selectable trip parameters
08/25/1993EP0557094A1 Magnetic head drive device
08/25/1993EP0557080A1 Output buffer with controlled output level
08/25/1993EP0556663A1 Below ground current sensing with current input to control threshold
08/25/1993EP0556273A1 Proximity sensing means and method
08/25/1993EP0478612B1 Circuit network
08/25/1993CN2141162Y Flexible electronic light-control switch
08/25/1993CN2141161Y Energy-saving series double electronic light-control switch
08/25/1993CN2141160Y Multi-functional series electronic light-control switch
08/25/1993CN2141151Y Light-control linked switch
08/25/1993CN2141150Y Silicon-controlled time-delay controller
08/25/1993CN2141149Y Silicon-controlled zero contact switch
08/25/1993CN2141147Y Multi-purpose power-saving controller for electrical equipment
08/24/1993US5239440 Electrostatic discharge protection for integrated circuits
08/24/1993US5239255 Phase-controlled power modulation system
08/24/1993US5239216 Clamping circuit for preventing output driving transistor from deep saturation state
08/24/1993US5239211 Output buffer circuit
08/24/1993US5239208 Constant current circuit employing transistors having specific gate dimensions
08/24/1993US5239207 Semiconductor integrated circuit