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