Patents
Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
06/1991
06/26/1991CN2079844U Energy saving switch capable of manual turning off in delay period
06/26/1991CN2079843U Lighting delay switch
06/26/1991CN2079835U Touch delay switch with flash indicating
06/26/1991CN2079834U Contactless electronic proximity switch
06/25/1991US5027328 Memory drive device and method
06/25/1991US5027311 Digital processor
06/25/1991US5027192 Fast power semiconductor circuit
06/25/1991US5027020 Zero voltage switching AC relay circuit
06/25/1991US5027019 Analog switch circuit with reduced switching noise
06/25/1991US5027016 Low power transient suppressor circuit
06/25/1991US5027009 Semiconductor logic circuit with a bipolar current mirror arrangement
06/25/1991US5027006 Circuit for detecting a supply voltage drop and for resetting an initialization circuit
06/25/1991US5027004 Circuit for regulating the base current of a semiconductor power device
06/25/1991US5027003 Read/write switching circuit
06/25/1991US5026978 Photoelectric switch having pulse driver circuitry
06/25/1991CA1285321C Method and device for driving semiconductor power components
06/23/1991CA2032917A1 Method and circuit for gating plural triacs
06/20/1991DE3941606A1 Sensor triggering restraining system esp. air-bag in motor vehicle - has electronic power switch detecting acceleration and requiring no external power source
06/20/1991DE3941473A1 Verfahren und vorrichtung zur ueberpruefung eines hall-sensorsystems Method and apparatus for inspecting a hall-sensor systems
06/20/1991DE3940082A1 Switching threshold adjuster for capacitive sensors - used for material detection involves using plastic model structure of dielectric constant and dimensions
06/19/1991EP0433271A2 Semiconductor device
06/19/1991EP0432847A2 Bilevel current limiter
06/19/1991EP0432790A2 Data output buffer circuit for semiconductor integrated circuit
06/19/1991EP0432307A1 Active snubber circuit
06/19/1991EP0432175A1 Monolithically integrated electronic machine
06/19/1991CN2079400U 微波自动开关 Microwave automatic switch
06/19/1991CN2079388U Art and craft contact switch compatible with general switch
06/19/1991CN2079371U Sound-light controlled delay energy-saving bulb head
06/19/1991CN2079347U Magnetic pulse depressed switch
06/19/1991CN1052404A Large power high voltage with standing solid dc relay
06/18/1991US5025360 Inverter switch with parallel free-wheel diodes
06/18/1991US5025273 RF drive circuit for an ion projection printing head
06/18/1991US5025227 Metal detection circuit
06/18/1991US5025179 ECL clamped cutoff driver circuit
06/18/1991US5024993 Superconductive field effect transistor and cryogenic semiconductor inverter for providing signals
06/18/1991CA1285033C Solid state relay having a thyristor discharge circuit
06/16/1991CA2032043A1 Bilevel current limiter
06/13/1991WO1991008617A1 Symmetrical controlled switching circuit
06/12/1991EP0432058A1 Dynamic isolation circuit for integrated circuits
06/12/1991EP0432049A1 MOS blow-out fuse with programmable tunnel oxide
06/12/1991EP0431893A2 Novel BICMOS logic gate circuit and structures
06/12/1991EP0431846A2 Semiconductor switching apparatus
06/12/1991EP0431624A2 Output circuit having large current driving capability without producing undesirable voltage fluctuations
06/12/1991EP0431290A2 MOS switching circuit having gate enhanced lateral bipolar transistor
06/12/1991EP0431215A1 Methode for protecting a GTO-thyristor against excessive overvoltage and circuit arrangement for carrying out this method
06/12/1991CN2078955U Multi-functional sound-control lamp
06/12/1991CN1052232A Switching apparatus with cascaded switch sections
06/12/1991CN1012873B Isolated analog voltage sense circuit
06/11/1991US5023951 Optical receivers
06/11/1991US5023692 Power MOSFET transistor circuit
06/11/1991US5023688 Transfer gate with the improved cut-off characteristic
06/11/1991US5023574 Nonlinear transmission lines having noncommensurate varactor cells
06/11/1991US5023570 Emitter-follower circuit
06/11/1991US5023539 Alternator voltage transient minimization method and apparatus
06/11/1991US5023494 High isolation passive switch
06/11/1991US5023478 Complementary emitter follower drivers
06/11/1991US5023474 Adaptive gate charge circuit for power FETs
06/11/1991US5023472 Capacitor-driven signal transmission circuit
06/11/1991US5023471 Testable input/output circuit for a load decoupled by a transformer
06/06/1991DE4035261A1 Circuitry processing signals form piezoelectric key - has circuit between piezo-element terminals with resistor(s) and series-connected electronic switch
06/05/1991EP0430399A2 Reset pulse circuits
06/05/1991EP0430242A2 Protective circuit for diode switching device
06/05/1991EP0430187A2 Digital circuit with switching stages of the complementary MOS type
06/05/1991EP0430063A2 Switching apparatus with cascaded switch sections
06/05/1991EP0429763A1 Digital capacitive pulse generator
06/05/1991EP0211866B1 Integrated circuit having a variably boosted node
06/05/1991CN2078514U Automatic power-off switch for corridor lamp
06/05/1991CN2078513U Sound-controlled short duration d.c. supplementary lighting lamp
06/05/1991CN1052012A Power-up pulse generator circuit
06/04/1991US5021694 Circuit for driving a gated p-n-p-n device
06/04/1991US5021687 High speed inverting hysteresis TTL buffer circuit
06/04/1991US5021684 Process, supply, temperature compensating CMOS output buffer
06/04/1991US5021682 Limiting the power dissipation in a diffused metal oxide semiconductor transistor or DMOST
06/04/1991US5021680 Voltage supply circuit for programming circuits of programmable logic arrays
05/1991
05/30/1991WO1991007820A1 Circuit arrangement for switching of rf signals
05/29/1991EP0429406A1 A circuit for interfacing between a microprocessor and a plurality of power stages, particularly for controlling electro-injectors
05/29/1991EP0428813A1 Nevice for protection against the short circuit of a MOS-type power device, with a preset dependance on the temperature at which the power device operates
05/29/1991CN2078059U Electromagnet controlling device of breaker
05/29/1991CN1051833A Circuit arrangement for switching of rf signals
05/28/1991US5019995 Input signal discrimination method
05/28/1991US5019955 DC-to-AC voltage converter having galvanically separate input and output circuits
05/28/1991US5019731 Analog switch circuit
05/28/1991US5019727 Semiconductor integrated circuit having a decoding and level shifting function
05/28/1991US5019724 Noise tolerant input buffer
05/28/1991US5019721 Active superconducting devices formed of thin films
05/28/1991US5019719 Transformer coupled gate drive circuit for power MOSFETS
05/27/1991CA2009583A1 Two wire and multiple output hall-effect sensor
05/22/1991EP0290438B1 Circuit for transmitting values measured at vehicle wheels
05/22/1991CN2077617U High-grade touch-type delay switch with display
05/22/1991CN2077231U Sono-conctrolled auto-cradle
05/21/1991US5018049 Housing for electronic switchgear
05/21/1991US5018041 Circuit for internal current limiting in a fast high side power switch
05/21/1991US5018000 For preventing malfunction due to alpha-radiation from radioactive material contained in packaging material
05/21/1991US5017991 Light quenchable thyristor device
05/21/1991US5017858 Constant-current regulated power circuit
05/21/1991US5017817 Basic circuitry particularly for construction of multivalued logic systems
05/21/1991US5017816 Adaptive gate discharge circuit for power FETS
05/21/1991US5017810 Input switching device used in a logic MOS integrated circuit
05/21/1991US5017807 Output buffer having capacitive drive shunt for reduced noise
05/21/1991US5017804 Hall sensing of bond wire current