Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
10/1992
10/13/1992US5155381 Capacitive load driver with binary output
10/13/1992US5155338 Control device for heating sources of cooking appratus
10/13/1992US5155289 For controlling a source of direct current
10/08/1992DE4210843A1 Photocoupler for signal separation in DC output module - has pair of inputs, between which LED is incorporated as photoelectric transducer
10/08/1992DE4141333C1 Switchable constant current supply for electrical appliances - has N=channel MOSFET with gate connected to drive control via resistor
10/07/1992EP0507502A2 High voltage charge pumps
10/07/1992EP0507471A2 Timer circuit including an analog ramp generator and a CMOS counter
10/07/1992EP0507398A1 Circuit arrangement
10/07/1992CN2118382U Sound controlled lamp
10/07/1992CN2118369U Light-control switch with counter for power supper
10/07/1992CN2118368U Time delay switch for break
10/06/1992US5153809 Self diagnosing circuit for a load control circuit
10/06/1992US5153802 Static switch
10/06/1992US5153572 Touch-sensitive control circuit
10/06/1992US5153469 Biasing network for use with field effect transistor ring mixer
10/06/1992US5153467 Bootstrap circuit for word line driver in semiconductor memory
10/06/1992US5153464 Bicmos tri-state output buffer
10/06/1992US5153442 High power, solid state RF pulse generators
10/06/1992CA1308470C Switching network
10/01/1992WO1992016998A1 Fast transmission gate switch
10/01/1992WO1992016888A1 Transmission gate series multiplexer
10/01/1992WO1992016887A1 Semiconductor device and built-in power circuit
10/01/1992DE4114201C1 Satellite transmitted wideband analogue video signal switch - has base terminal connected with output terminal and through current source to positive potential
09/1992
09/30/1992EP0506288A2 Solid-state relay
09/30/1992EP0506118A1 Light triggered and quenched static induction thyristor circuit
09/30/1992CN2117690U Energy saving electronic time delaying switch with two leads
09/30/1992CN2117688U Touching controlling lamp
09/30/1992CN2117672U Intellectural switch controlled with fuzzy logic
09/30/1992CN2117670U Fan interruptor
09/30/1992CN1064976A Micro-electronic key-board switch and manufacturing method thereof
09/30/1992CN1018501B Switching apparatus with cascaded switch sections
09/30/1992CN1018489B Cmos driver circuit
09/29/1992US5151780 Differential amplifiers
09/29/1992US5151762 Semiconductor device, fabricating method thereof and flash control device using the semiconductor device
09/29/1992US5151663 Plasma switch devices
09/29/1992US5151621 High speed output buffer unit that preliminarily sets the output voltage level
09/29/1992US5151615 Noise absorbing circuit suitable for semiconductor integrated circuits
09/29/1992US5151614 Circuit having charge compensation and an operation method of the same
09/29/1992US5151602 Semiconductor relay circuit using photovoltaic diodes
09/29/1992CA1308149C Push-button switch
09/28/1992WO1992017938A2 Differential driver/receiver circuit
09/28/1992CA2108040A1 Differential driver/receiver circuit
09/24/1992DE4109517A1 Keyboard with optical or electrical elements - has push-button that self latches into housing section
09/24/1992DE4107847C1 Impulse sensor using Wiegand effect - has winding connected to single pole switch for short circuiting winding when physical quantity e.g. temp., pressure, acceleration etc. changes
09/23/1992EP0505283A2 Device for the galvanic insulation of DC electrical signals or signals containing a DC component
09/23/1992EP0504559A2 Clamping circuit
09/23/1992EP0504470A1 Level converting circuit
09/23/1992CN2117015U Full automatic electronic energy saving switch
09/23/1992CN2117014U High level touching brightness adjusting switch with two leads
09/23/1992CN2117013U Human body inductive corridor lighing switch
09/23/1992CN2117001U Electronic touch timing switch
09/23/1992CN2117000U Time delay cutoff switch
09/23/1992CN2116999U Energy-saving time delay switch
09/23/1992CN2116975U Lampstand type audio-optic time delay saving energy switch
09/22/1992US5150287 Quarter-bridge circuit for high currents
09/22/1992US5150083 Digitally controlled monolithic switch matrix using selectable dual gate FET power dividers and combiners
09/22/1992US5150028 Two Zener diode one power supply fast turn off
09/22/1992US5149995 Electrical circuit for the switch-off relief of a controllable semiconductor switch
09/22/1992US5149987 Provision of circuit reset without a dedicated I/O pin
09/22/1992US5149986 Electronic control button operated by sound absorption
09/22/1992CA1307862C Telephone subscriber loop test system
09/17/1992WO1992016053A1 Programmable application specific integrated circuit and logic cell therefor
09/17/1992WO1992016052A1 Digital output buffer and method
09/17/1992WO1992016043A1 A low-voltage dc power supply
09/17/1992DE4113676C1 Semiconductor switch control circuit - includes beat source for activating inverters and comparator to deactivate them
09/17/1992DE4108388A1 Detecting unit for contactless determination of at least two positions of switching element - has magnetically or optically working transmitter and receiver and transmitter or receiver brought into positions to be detected by switching element
09/16/1992EP0503803A1 Switching circuit
09/16/1992EP0503401A1 Lateral photo-sensing device, opto-electronic integrated circuit using the lateral photo-sensing device and photo-logic device using the lateral photo-sensing device
09/16/1992EP0503340A1 Magnetic field-dependent, inductive proximity switch
09/16/1992EP0503040A1 Optical sensor device and process for operating the same.
09/16/1992CN2116325U Changeable multi-colour lamp
09/16/1992CN2116324U Lamp switch automatically controlled by heat radiation from human body
09/16/1992CN2116319U Ls-25 electrothermal energy-saving device
09/16/1992CN2116308U Gloves-like keyboard
09/16/1992CN2116307U Connecting telecontrol lamp cap
09/16/1992CN2116306U Energy-saving defrosting device for refrigerator
09/16/1992CN2116305U Delayed sonic switch
09/16/1992CN2116293U Full automatic electronic energy-saving protector for refrigerator
09/16/1992CN2116275U Telecontrol socket for colour television
09/16/1992CN1064583A Full-automatic energy-saving electronic switch
09/15/1992US5148358 Rectifier commutation current spike suppressor
09/15/1992US5148253 Light-triggered switching circuit
09/15/1992US5148251 Photoconductive avalanche GaAs switch
09/15/1992US5148165 CMOS digital to analog signal converter circuit
09/15/1992US5148164 Current generating device for complementarily generating two currents of different magnitudes in response to one-bit data
09/15/1992US5148121 Amplifier circuit designed for use in a bipolar integrated circuit, for amplifying an input signal selected by a switch circuit
09/15/1992US5148065 Current steering circuits and methods with reduced capacitive effects
09/15/1992US5148064 Medium voltage static switch
09/15/1992US5148062 Simplified phase shifter circuit
09/15/1992US5148054 High accuracy MOSFET-switched sampling circuit
09/15/1992US5148052 Data latching circuit
09/15/1992US5148051 Power up circuit
09/15/1992US5148049 Circuit for driving a capacitive load utilizing thyristors
09/15/1992US5148048 CMOS output circuit having controlled slope
09/15/1992US5148046 Superconductive switching device and method of use
09/10/1992DE4207187A1 Semiconductor switching device using insulated gate bipolar transistors - has delay stage for driver signal supplied to control electrode of one bipolar transistor
09/10/1992DE4201051A1 Delay circuit for vehicle interior light - uses clock module and logic module controlling switching amplifier for card
09/10/1992DE4119316C1 Electrical switch with multipart housing - has dividing wall providing two chambers for two permanent magnets and Hall component in one
09/10/1992DE4106690A1 Load control system using insulated-gate bipolar transistor circuit - with overload and short-circuit protection of controlled load
09/09/1992EP0502805A2 Low power push-pull driver