Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
03/1994
03/02/1994CN2158153Y Multiway infrared remote-controlling switch
03/02/1994CN1023921C Circuit for reversing magnetic field
03/01/1994US5291562 Image signal processing apparatus producing a narrowed pulse width modulated signal using an asymmetrically centered triangle reference waveform
03/01/1994US5291454 Semiconductor memory device
03/01/1994US5291446 VPP power supply having a regulator circuit for controlling a regulated positive potential
03/01/1994US5291387 Switching voltage regulator with protective device against thermal breakdown
03/01/1994US5291152 Proximity switch having oscillator inductively coupled through pulsed Faraday shield to resonant target
03/01/1994US5291082 Low loss power switch
03/01/1994US5291077 Semiconductor logical FET device
03/01/1994US5291074 BiCMOS track and hold amplifier
03/01/1994US5291069 Bipolar H write driver
03/01/1994US5291068 Touch sensitive switching apparatus
03/01/1994US5291056 Electronic switch comprising a photosensitive semiconductor
02/1994
02/24/1994DE4325898A1 Position detection device for moving body - has stroke compensation mechanism between operating push rod and slider acting as screen for inductive or capacitive proximity switch
02/24/1994DE4227165A1 Control circuit for inductive consumer load - uses series ON=OFF switching transistor and pulse-width modulated control transistor for efficient operation
02/23/1994EP0583887A2 Output buffer circuits
02/23/1994EP0583881A1 CMOS differential driver circuit for high offset ground
02/23/1994EP0583688A1 Digital current switch
02/23/1994CN2157650Y Electronic energy-saving switch for corridor
02/22/1994US5289063 Output circuit with buffer
02/22/1994US5289062 Fast transmission gate switch
02/22/1994US5289051 Power MOSFET driver having auxiliary current source
02/22/1994US5289048 Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits
02/22/1994US5289043 Switching system for selectively enabling electrical power to be applied to plural loads
02/22/1994CA1327237C Ultrasonic remote controlled switching device
02/17/1994WO1994003975A1 Control of a symmetrical bipolar transistor
02/17/1994CA2141319A1 Drive for a symmetrical bipolar transistor
02/16/1994EP0582969A1 Security device for opening and/or closing doors, especially of a motor vehicle
02/16/1994EP0233892B1 A telephone line switch
02/16/1994CN2156622Y Sound and light controlling timing electronic energy-saving switch
02/16/1994CN2156621Y 电子时间继电器 Electronic time relay
02/16/1994CN2156528Y Numerical contorlled electric appliances assembly
02/15/1994US5287527 Logical signal output drivers for integrated circuit interconnection
02/15/1994US5287386 Differential driver/receiver circuit
02/15/1994US5287361 Process for extending the operating period of a circuit with MOS components exposed to gamma radiation
02/15/1994US5287306 Semiconductor memory device
02/15/1994US5287302 Superconducting optically reconfigurable magnetic device
02/15/1994US5287093 Image processor for producing cross-faded image from first and second image data
02/15/1994US5287086 Proximity detection system and oscillator
02/15/1994US5287066 Crosstalk reduction circuit for crosspoint matrix
02/15/1994US5287055 Circuit for measuring current in a power MOS transistor
02/15/1994US5287046 Method and system for actuator control for direct access storage devices
02/15/1994US5287024 FET bidirectional switching arrangements and methods for preventing pn junctions of FETs from being forward-biased
02/15/1994US5287023 Reverse-bias control circuit for a voltage-driven switching element
02/15/1994US5287016 High-speed bipolar-field effect transistor (BI-FET) circuit
02/15/1994US5287014 Hysteresis circuit
02/15/1994US5287011 Power-on detecting circuit desirable for integrated circuit equipped with internal step-down circuit
02/09/1994EP0582125A1 Control circuit for a power MOSFET having a load connected to the source
02/09/1994EP0582076A1 Emitter coupled logic semiconductor device
02/09/1994CN1081796A Circuit and method for driving IGBT
02/08/1994US5285477 Balanced line driver for local area networks or the like
02/08/1994US5285346 Current driven control circuit for a power device
02/08/1994US5285345 Modulator switching system having at least one semiconductor switch for adaptation to different load ranges and protection thresholds
02/08/1994US5285202 Broadband switch using deactivated crosspoints for establishing switching paths
02/08/1994US5285148 Current-regulating circuit having parallel control paths
02/08/1994US5285121 Current switching circuit
02/08/1994US5285119 Semiconductor integrated tri-state circuitry with test means
02/08/1994US5285116 Low-noise high-speed output buffer and method for controlling same
02/08/1994US5285100 Semiconductor switching device
02/08/1994CA1326892C Optical switch and optical keyboard utilizing the same
02/03/1994DE4225255A1 Pulse forming circuit with secondary side utilisation of both switching flanks - has Schmitt trigger output coupled simultaneously to input(s) of second gate
02/03/1994DE4225083A1 Switch-off stability improving circuit for gate turn-off thyristor - has two-layer diode with low blocking voltage and rapid switch on, connected across inductor for limiting gate current
02/02/1994EP0581580A2 Gate drive circuit for a MOS power transistor
02/02/1994EP0581461A2 Reprogrammable interconnect architecture using fewer storage cells than switches
02/02/1994EP0581459A2 Automatic on-line monitoring and optimization of optical network switching nodes
02/02/1994EP0581420A1 Method and apparatus for providing a programmable interconnect path
02/02/1994EP0581246A2 MOS-type semiconductor device
02/02/1994EP0581110A2 Circuit arrangement for reducing overvoltages on transistors
02/02/1994EP0581016A1 Apparatus and method for forced sharing of parallel MOSFET switching losses
02/02/1994EP0580921A1 Control of saturation of integrated bipolar transistors
02/02/1994CN2155102Y Semiconductor switch for power condenser control
02/02/1994CN2155101Y Electronic clock timer for electrical rice cooker
02/01/1994US5283765 Address input buffer circuit for a semi-conductor storage device
02/01/1994US5283584 High power photon triggered ultra-wideband RF radiator with opposite apertures
02/01/1994US5283480 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions
02/01/1994US5283479 BiCMOS logic gate having plural linearly operated load FETs
02/01/1994US5283478 Fast capacitive-load driving circuit particularly memories
02/01/1994US5283474 Circuit for driving a load by using selectively one of two different DC power sources
02/01/1994CA2011168C Semiconductor laser driving circuit
01/1994
01/27/1994DE4324138A1 Controlling CMOS, tri-state buffer circuit - applying voltage, lower than operational supply voltage, to gate of FET coupled to driver circuit ground
01/27/1994DE4224694A1 Electric light fitting with shade secured to bottom plate - has switch operatively coupled to lamp-shade and/or its holders, e.g. for activating speech generator when switching off or on
01/27/1994DE4224244A1 Electronic switch for PTC load - has adjuster between supply voltage source and load, switchable by control voltage.
01/26/1994EP0580217A1 Electronic switching-on apparatus and a switching-on method
01/26/1994EP0580207A1 Method and device for sensing movement of a ferro-magnetic object
01/26/1994EP0372087B1 Driver circuit
01/26/1994CN2154563Y Induction switch
01/26/1994CN2154562Y Synchronous detect type infrared photoelectric switch
01/26/1994CN2154561Y Automatic controllor for electric pot
01/26/1994CN2154532Y Electron micro-voltage controllor
01/26/1994CN2154032Y Electronic vision protecting instrument
01/26/1994CN1081295A Intermitter for wiper of vehicle
01/25/1994US5282107 Power MOSFET safe operating area current limiting device
01/25/1994US5281872 Current detectable transistor having sense resistor with particular temperature coefficient
01/25/1994US5281870 Current controller
01/25/1994US5281867 Multiple channel sampling circuit having minimized crosstalk interference
01/25/1994US5281862 Power MOSFET driver with cross-conduction current reduction
01/25/1994US5281860 Method and apparatus for an improved multiple channel sensor interface circuit
01/25/1994US5281810 Photoelectric control unit adapted for determining its own operating margin having dual variable-gain amplifier
01/25/1994US5281808 Device for the non-contact control of a sanitary fitting
01/25/1994CA1326507C Transfection high voltage controller