H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking

Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
12/1997
12/23/1997	US5701098 AC bypass circuit which provides stabilization of high frequency transient noise
12/23/1997	US5701096 Charge-pump type booster circuit
12/23/1997	US5701095 Semiconductor integrated circuit device
12/23/1997	US5701093 Adiabatic MOS logic and power supplying method and apparatus
12/18/1997	DE19636248C1 Switching load relief method for power IGBT
12/18/1997	DE19623969A1 Capacitive, proximity switch with sensor electrode
12/17/1997	EP0813306A1 Temperature stabilised oscillator and proximity switch using the same
12/17/1997	EP0813304A2 Symmetric selector circuit for event logic
12/17/1997	EP0813075A1 Proximity detecting device
12/17/1997	EP0812488A2 Integrated driver for half-bridge circuit
12/17/1997	EP0812487A1 Protective circuit for series-connected power semiconductors
12/17/1997	EP0756782B1 Dc control circuit
12/17/1997	EP0485617B1 Hysteresis circuit
12/17/1997	CN2271088Y Contactless photoelectric automatic controller for street lamp
12/17/1997	CN2271071Y Solid-state switch
12/17/1997	CN2271002Y Combined switch for household electrical equipment
12/17/1997	CN1168202A Circuit arrangement
12/16/1997	US5699023 High-frequency switch
12/16/1997	US5699001 Driver circuit for semiconductor test system
12/16/1997	US5699000 Output buffer circuit for a semiconductor IC
12/16/1997	US5698975 Mounting and coupling arrangement for a proximity sensor
12/16/1997	US5698973 Soft-start switch with voltage regulation and current limiting
12/16/1997	US5698909 Multi-function switch
12/16/1997	US5698887 Semiconductor protection circuit
12/13/1997	CA2206025A1 Temperature stabilized oscillator and proximity switch containing the oscillator
12/11/1997	WO1997047087A1 Proximity switches with mechanical decoupling of terminal pins and plug-in unit
12/11/1997	WO1997047071A1 Electric circuit
12/11/1997	DE19716351A1 Matrix key-pad processing circuit
12/11/1997	DE19639706C1 Controlled current source, especially for charge pump
12/10/1997	EP0812067A1 Photoconductive electric switch
12/10/1997	EP0811529A2 Circuit with reduced EMI radiation
12/10/1997	EP0811276A1 Process and circuit arrangement for connecting a load to a conductor
12/10/1997	EP0756783A4 Impedance emulator
12/10/1997	CN2270318Y Light-operated swith for railway train dispatchering radio station
12/10/1997	CN1167371A CMOS capacitor type proximity switch
12/09/1997	US5697069 Transmit-receiver switch
12/09/1997	US5696658 Short circuit protection circuit for a low-side driver circuit
12/09/1997	US5696512 Digital/analog (D/A) converting device with unit current generating circuit having differential switching and reference voltage generating circuits
12/09/1997	US5696470 Solid-state electronic switching module
12/09/1997	US5696465 Semiconductor circuit having constant power supply circuit designed to decrease power consumption
12/09/1997	US5696461 Power-on reset circuit
12/09/1997	US5696460 Differential high speed inductive driver with a bidirectional current limiting output stage
12/09/1997	US5696459 For driving a liquid crystal display
12/09/1997	US5696362 For detecting an obstruction in an elevator doorway
12/04/1997	WO1997045959A1 Microcontroller having a minimal number of external components
12/04/1997	WO1997045957A1 Semiconductor device
12/04/1997	DE19703986A1 Signal shaper for input signal wave form reshaping
12/04/1997	DE19619904A1 Electronic switching device for cable=way or chair-lift installation
12/03/1997	EP0810734A2 A loading arrangement for a logic gate
12/03/1997	EP0810732A2 Differential signal generating circuit having current spike suppressing circuit
12/03/1997	EP0810731A2 Voltage-controlled transistor drive circuit
12/03/1997	EP0809887A1 Circuit configuration for driving a pulse output stage
12/03/1997	CN2269688Y Electronic starter for daylight lamp
12/03/1997	CN2269660Y Energy saving protector for household electric appliance
12/03/1997	CN2269612Y 遥控防盗报警装置 Remote anti-theft alarm system
12/03/1997	CN1166708A Electromagnetic-noise protection circuit
12/03/1997	CN1166694A Solid-state antenna switch and field-effect transistor
12/02/1997	US5694302 Passive clamp and ripple control for buck boost converter
12/02/1997	US5694282 Short circuit protection system
12/02/1997	US5694124 Portable computer with integrated circuit board and keyboard
12/02/1997	US5694073 Temperature and supply-voltage sensing circuit
12/02/1997	US5694060 CMOS differential twisted-pair driver
12/02/1997	US5694038 Detector of passing magnetic articles with automatic gain control
12/02/1997	US5693978 Reset signal output circuit and semiconductor integrated circuit device
12/02/1997	US5693934 Luminance detecting circuit in which plural photoinduced currents are amplified and combined onto a common current conductor
11/1997
11/27/1997	WO1997044904A1 Microcontroller with firmware selectable oscillator trimming
11/27/1997	WO1997044902A1 Control circuit for recording the actuation of an optical key
11/27/1997	WO1997044900A1 Combinational circuit device
11/27/1997	WO1997044639A1 Method of controlling a digital sensor, and corresponding digital sensor
11/27/1997	DE19710484A1 Solid state relay
11/27/1997	DE19654853A1 Optical data transmission and reception circuit using light emitting diode
11/27/1997	DE19631751C1 Power FET control circuit for lamp switching
11/27/1997	DE19620846A1 Digital Hall sensor with timed interrupter for use e.g. in thread or filament industries
11/27/1997	DE19620065A1 Electronic switching device for cable=way or chair-lift installation
11/27/1997	DE19620059A1 Switching circuit for unlocking of car door lock
11/27/1997	DE19620034A1 Schaltnetzgerät Switching Power Supply
11/26/1997	EP0809375A2 Bit synchronizer
11/26/1997	EP0809371A1 Data emitting and receiving circuit
11/26/1997	EP0809361A2 Electronic switching device and circuit arrangement for monitoring a technical installation
11/26/1997	EP0809360A2 Integrated circuit with an NPN-type open collector transistor
11/26/1997	EP0808512A2 Method of driving a field effect transistor
11/26/1997	EP0615653A4 Inductive load dump circuit.
11/26/1997	CN1166248A CMOS driver circuit
11/26/1997	CN1166121A External power source to main battery power source switch
11/26/1997	CN1166090A Analogue switching circuit replacing variable resistor
11/25/1997	US5692022 Bit synchronizer
11/25/1997	US5691947 Multiplexed programming voltage and status over single conductor
11/25/1997	US5691891 In a power supply
11/25/1997	US5691887 Self-timing power-up circuit
11/25/1997	US5691834 Ultra compact scanning system for a wide range of speeds, angles and field depth
11/25/1997	US5691716 Keyboard with keys for moving cursor
11/25/1997	US5691655 Bus driver circuit configured to partially discharge a bus conductor to decrease line to line coupling capacitance
11/25/1997	US5691579 Current switching circuit operable at high speed without externally supplied reference bias
11/20/1997	WO1997043832A1 Insulated gate bipolar transistor control
11/20/1997	WO1997043823A1 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp
11/20/1997	WO1997043731A1 Beam shaping system with surface treated lens
11/20/1997	DE19639252C1 Freely-configured semiconductor driver integrated circuit for control of e.g. motor
11/20/1997	DE19619467A1 Power MOSFET overvoltage protection circuit
11/20/1997	DE19619399A1 Power-FET switching arrangement for vehicle electronics
11/19/1997	EP0808027A2 Four-terminal power MOSFET switch having reduced threshold voltage and on-resistance

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