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)
09/1989
09/20/1989EP0333405A2 Power supply potential rising detection circuit
09/20/1989EP0333380A2 High voltage pulse generating apparatus
09/20/1989EP0333206A2 Semiconductor integrated circuit
09/20/1989EP0333183A2 Current switching circuit
09/20/1989EP0332705A1 Input signal determination system
09/20/1989CN2044779U Timing switch of unidirectional thyristor
09/20/1989CN1035749A Delay switch circuit of electronic exciter lamp
09/19/1989US4868911 Magnetically delayed vacuum switch
09/19/1989US4868903 Safe logic zero and one supply for CMOS integrated circuits
09/19/1989US4868731 Gate control circuit for a GTO thyristor
09/19/1989US4868568 Mirror optical keyboards
09/19/1989US4868461 Thyristor triggering device
09/19/1989US4868424 TTL circuit with increased transient drive
09/19/1989US4868423 Current mode logic gate
09/19/1989US4868419 Gated transmission circuit (on-chip)
09/19/1989US4868413 Testable passgate logic circuits
09/19/1989US4868384 Electric pressure switch
09/14/1989DE3806910A1 Disc-type momentary-contact switch
09/14/1989DE3806733A1 Arrangement for monitoring and controlling roller blinds and the like
09/14/1989DE3806486A1 Filament lamp, in particular table lamp
09/13/1989EP0332548A1 Stabilized generator for the delivery of a threshold voltage for a MOS transistor
09/13/1989EP0332301A2 Time variant drive for use in integrated circuits
09/13/1989EP0332077A2 Semiconductor integrated circuit using bipolar transistor and CMOS transistor
09/13/1989CN2044393U Interlocking electronic switch
09/12/1989US4866742 Register circuit with plural registers simultaneously reset when a selected register receives data
09/12/1989US4866556 Circuit arrangement of a self protecting power switch
09/12/1989US4866500 Integrated light-triggered and light-quenched static induction thyristor and making method thereof
09/12/1989US4866401 High current Darlington amplifier
09/12/1989US4866377 Proximity detector alternately operated to detect and self-check
09/12/1989US4866315 Turn-on/off driving technique for insulated gate thyristor
09/12/1989US4866313 Cascode BiMOS driving circuit using IGBT
09/12/1989US4866302 Time domain reflectometer
09/12/1989US4866299 Remotely driving a CCD
09/08/1989WO1989008352A1 Capacitive proximity detector
09/08/1989WO1989008351A1 Two wire switch control circuit
09/08/1989WO1989008347A1 Voltage converter
09/07/1989DE3805932A1 Keyboards for electronic systems - use series of parallel fibre optical conductors with single light conductors with single light transmitter, etc.
09/06/1989EP0331341A2 Output buffer arrangement
09/06/1989EP0331251A2 Overvoltage protection device for control circuits using power transistors
09/06/1989EP0331063A1 Bidirectional MOS switch
09/06/1989EP0330823A2 A low-absorption circuit device for controlling a power transistor into the on state
09/06/1989EP0330767A1 Touch panel control device with touch time and finger direction discrimination
09/06/1989EP0330724A2 Electronic large current switch for a single power circuit
09/06/1989CN2044115U Photo-controlling delayed illumination power saving switch
09/06/1989CN2044113U Electronic program timer
09/06/1989CN1035402A 开关模式电源 Switch mode power supply
09/05/1989US4864457 Method and device for controlling an electromagnet whose energization, by means of an ac current, causes engagement of two parts
09/05/1989US4864251 Compensation circuit for power amplifier
09/05/1989US4864247 High speed base drive for power amplifier
09/05/1989US4864214 Solid state power controller
09/05/1989US4864197 Horizontal deflection circuit for video display monitor
09/05/1989US4864168 Process for controlling an optical pnpn thyristor to be driven
09/05/1989US4864156 Proximity switch with noncontact effect
09/05/1989US4864126 Solid state relay with optically controlled shunt and series enhancement circuit
09/05/1989US4864119 Bulk avalanche semiconductor switch using a mesa structure
09/05/1989CA1259136A1 Output buffer circuit
09/05/1989CA1259098A1 Hot body intrusion activated light control unit with daylight photocell deactivation override
08/1989
08/30/1989EP0330628A2 High side driver MOS circuit
08/30/1989EP0330395A2 Switching element
08/30/1989EP0330142A2 Multi-gate field-effect transistor
08/30/1989CN2043807U Electronic delay automatic turn off switch
08/30/1989CN1035205A Cut-off semiconductor device and circuit arrangement with same
08/29/1989US4862018 Noise reduction for output drivers
08/29/1989US4862014 Method and apparatus for controlling the phase of signal driving a ferrimagnetic load
08/29/1989US4861952 Pressure activated switch
08/24/1989DE3804478A1 Circuit for converter (inverter), especially pulse-controlled inverter
08/23/1989EP0329285A2 Output buffer
08/23/1989EP0329083A2 Photoelectric switching apparatus of reflection type
08/23/1989EP0328905A1 Circuit arrangement for the protection of an integrated circuit
08/23/1989EP0328814A1 Microwave tube modulator
08/23/1989EP0328778A1 High power switch
08/23/1989EP0328591A1 Optomagnetic switch
08/23/1989EP0328562A1 Proximity detection systems
08/23/1989CN2043422U Bilaterial controlled silicon time relay
08/23/1989CN2043421U Automatic time-delay switch device
08/23/1989CN1035028A 大功率开关 Power switch
08/22/1989US4860189 Full bridge power converter circuit
08/22/1989US4860154 Device for protecting an integrated circuit against overload and short circuit currents
08/22/1989US4860152 Two stage protection circuit for a power MOSFET driving an inductive load
08/22/1989US4860148 Semiconductor integrated circuit device with a protective circuit
08/22/1989US4860008 Radiation interruption keyboard
08/22/1989US4859941 Proximity selectro with integral magnet, pole-piece plate and pair of magnetic transducers
08/22/1989US4859927 Power supply with improved switching regulator
08/22/1989US4859922 System for controlling the operating mode of a controlled apparatus
08/22/1989US4859921 Electronic control circuits, electronically commutated motor systems, switching regulator power supplies, and methods
08/22/1989US4859884 Gate signal generator for thyristor valve
08/22/1989US4859880 High speed CMOS differential driver
08/22/1989US4859878 Bi-MOS levelshift circuit capable of controlling power consumption
08/22/1989US4859875 Optocoupler for power FET
08/22/1989US4859869 Safety switching means for controlling a current consumer
08/22/1989EP0252942A4 Human behavior modification system which establishes and generates a user adaptive withdrawal schedule.
08/16/1989EP0328465A1 Switch mode power MOS transistor gate control circuit
08/16/1989EP0328168A1 Push-pull output circuit which is free from hot carrier stress
08/16/1989EP0327964A1 Optical fibre switch
08/16/1989EP0327881A1 Switched-mode power supply
08/16/1989EP0327846A1 Circuit arrangement for the distortionless switching of signals
08/16/1989EP0327656A1 Ultrasonic proximity switch
08/16/1989EP0155305B1 Emitter collector coupled logic
08/16/1989CN2043034U Multifunction lighting switch
08/15/1989US4857984 Three-terminal MOS integrated circuit switch
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