Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › 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)
04/1991
04/09/1991US5006737 Transformerless semiconductor AC switch having internal biasing means
04/09/1991US5006736 Control circuit for rapid gate discharge
04/09/1991US5006732 Semiconductor circuit having buffer function
04/04/1991WO1991004648A1 Circuit for compensating the capacitive effect of a connection of a low-voltage lamp on the secondary side
04/04/1991WO1991004608A1 Switch-off circuit of a control circuit for a gate-controlled semiconductor
04/04/1991DE3931892A1 Inductive proximity switch with magnetisable generator - has AC source operating frequency at which LC circuit has highest Q=factor
04/04/1991DE3931743A1 Ausschaltkreis einer ansteuerschaltung fuer einen gategesteuerten halbleiter Turn-off a drive circuit for a gate-controlled semiconductors
04/03/1991EP0420665A2 Output control circuit
04/03/1991EP0420582A2 Drive circuit for a semiconductor device
04/03/1991EP0419991A2 Load driver with reduced dissipation under reverse-battery conditions
04/03/1991EP0419902A2 Rush current prevention circuit
04/03/1991EP0419457A1 Apparatus for detecting the condition of switches on one transmission line.
04/03/1991EP0283487B1 Interference field-insensitive proximity detector
04/03/1991EP0232381B1 Apparatus for dispensing fluid material
04/03/1991EP0224535B1 Static switch circuit or device for the protected supply of a load, and its line
04/03/1991CN2074524U Multi-functional timing switch
04/03/1991CN2074497U Permanent-magnet limit switch
04/02/1991US5005113 Hybrid circuit module having bridge circuit and rectifying circuit disposed on a same substrate
04/02/1991US5005008 Method and apparatus for providing thermodynamic protection of a driver circuit used in an in-circuit tester
04/02/1991US5005004 Light activated vehicle sensor with flashing light and pulsing sound alarm
04/02/1991US5004971 Floating transistor switch
04/02/1991US5004936 Non-loading output driver circuit
04/02/1991US5004935 Sample and hold circuit
04/02/1991US5004901 Current mirror amplifier for use in an optical data medium driving apparatus and servo-circuit
03/1991
03/27/1991EP0419230A2 Snubber circuit of power converter
03/27/1991EP0419078A1 Transmission lines
03/27/1991EP0418665A1 Device for the detection and discrimination of functional faults in an electrical power supply circuit
03/27/1991EP0418545A2 Electrical switch-off snubber circuit for a controllable semiconductor switch
03/27/1991EP0418408A1 Method and circuit arrangement for controlling a semiconductor switch by using an inductive transformer
03/27/1991CN2074082U Electronic time-delay switch
03/27/1991CN1012249B Uhf electronic switching device
03/26/1991US5003451 Switched damper circuit for dc to dc power converters
03/26/1991US5003246 Monolithic bidirectional switch with power MOS transistors
03/26/1991US5003205 Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same
03/26/1991US5003199 Emitter coupled logic circuit having an active pull-down output stage
03/26/1991US5003198 Circuit technique for biasing complementary Darlington emitter follower stages
03/26/1991US5003195 Pin diode attenuator RF pulse generator with pulse rise and fall time control
03/26/1991US5003192 AC power switching device with non-volatile memory unit
03/26/1991US5003191 Emission of pulsed energy
03/26/1991US5003168 Trigger circuit for a streak camera sweep drive circuit
03/26/1991US5002034 High-voltage switch
03/26/1991CA2011994A1 Power controller with low standby current drain
03/26/1991CA1282186C Mos i/o protection using switched body circuit design
03/26/1991CA1282152C Digital circuit- and packet-switching network and switching facility therefor
03/23/1991CA2025214A1 Electrical circuit for the switch-off relief of a controllable semiconductor switch
03/21/1991WO1991003912A1 Digital acoustic switch
03/21/1991WO1991003889A1 Integrated carrier detect circuit
03/21/1991WO1991003876A1 High-speed dynamic cmos circuit
03/21/1991WO1991003820A1 Transmission lines
03/21/1991DE4019158A1 Switch circuit for current or voltage source
03/20/1991EP0417933A2 Circuits for detecting a decrease in the voltage of a DC source
03/20/1991EP0417771A1 High-voltage pulse generating circuit and electrostatic precipitator containing it
03/20/1991EP0417617A2 ECL clamped cut-off driver
03/20/1991EP0417336A1 Switching device for broad-band signals
03/20/1991EP0239587B1 Instruction sequencer for microprocessor with network for the determination of the phases of instruction cycles
03/20/1991CN2073638U Economizer of corridor lamp
03/19/1991US5001593 Circuit configuration for temperature monitoring of power switching transistors integrated in a semiconductor circuit
03/19/1991US5001491 Electronic scanning system for antenna
03/19/1991US5001474 Switching matrix for telecommunication exchanges
03/19/1991US5001398 Lamp intensity control system having over-current protection
03/19/1991US5001373 Active clamp circuit with immunity to zener diode microplasmic noise
03/19/1991US5001365 Logic circuit using bipolar and field effect transistor, including a delayed switching arrangement
03/19/1991US5001355 Photon energy activated radio frequency signal switch
03/13/1991EP0416933A2 Driver circuit for a large capacity switching element
03/13/1991EP0416546A2 Programmable logic device and storage circuit used therewith
03/13/1991EP0416522A2 Circuit for processing symmetrical signals
03/13/1991EP0416409A2 Spike current reduction in CMOS switch drivers
03/13/1991EP0416154A1 Circuit arrangement for raising the output voltage of an electronic switching stage
03/13/1991EP0231204B1 Back bias generator
03/13/1991CN2073196U Electronic supervoltage pressure relay
03/13/1991CN2073195U Energy-saving delay breaker
03/13/1991CN1049944A Capacitive sensing, solid state touch button system
03/13/1991CN1049943A High-power electronic switch
03/13/1991CN1049934A Delay cut-off relay for preventing switch from fluttering
03/12/1991US4999523 BICMOS logic gate with higher pull-up voltage
03/12/1991US4999520 High speed TTL buffer circuit which is resistive to the influence of alpha-rays
03/12/1991US4999518 MOS switching circuit having gate enhanced lateral bipolar transistor
03/12/1991US4999517 Inverter circuit
03/12/1991CA2024871A1 Broadband signal switching equipment constructed in accordance with field-effect transistor technology
03/12/1991CA1281370C Wall box dimmer switch with plural remote control switches
03/07/1991WO1991003104A1 Switching circuit employing an inductor and igbt devices
03/07/1991DE3929039A1 Electronic, automatic switch=on circuit - reacts to input resistance at control output, dependent on ON or OFF state
03/07/1991DE3927539A1 Selective switching with pulses of different width - operating monostable flip=flop stages between selected decoder outputs and connectable rapid, electronic switching elements
03/06/1991EP0415789A2 Capacitive sensing, solid state touch button system
03/06/1991EP0415542A2 Programmable gate array with improved interconnect structure, input/output structure and configurable logic block
03/06/1991EP0415081A2 Control circuit for a pulsed load in a vehicle
03/06/1991CN2072751U Low-voltage electric equipments sound control switch
03/06/1991CN2072750U Electronic time-control switch
03/06/1991CN2072749U Electronic delay-action circuit breaker
03/05/1991US4998101 Broadband signal switching matrix network
03/05/1991US4998028 High speed CMOS logic device for providing ECL compatible logic levels
03/05/1991US4998027 Arbiter circuit
03/05/1991US4998026 Driver circuit for in-circuit overdrive/functional tester
02/1991
02/28/1991DE4026398A1 Power transistor switch status monitoring circuit
02/28/1991DE4024723A1 Electronic article monitoring label
02/28/1991DE3928195A1 FET electronic power stage - feeds energising signal to FET control electrode via emitter-follower stage
02/27/1991EP0414255A2 Emitter coupled logic circuitry
02/27/1991EP0414029A2 Constant-current regulated power circuit
02/27/1991EP0413938A1 Circuit for monitoring the switching state of a power transistor
02/27/1991CN2072303U Thyristor energy saving switch
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