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John F. Smith

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  • Warminster, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic squelch circuit with hysteresis
    • Patent number 4,044,309
    • Issue date Aug 23, 1977
    • Narco Scientific Industries, Inc.
    • John F. Smith
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Noise limiter
    • Patent number 3,968,383
    • Issue date Jul 6, 1976
    • Narco Scientific Industries, Inc.
    • John F. Smith
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Code and generating means for avionics communciations synthesizer
    • Patent number 3,949,296
    • Issue date Apr 6, 1976
    • Narco Scientific Industries, Inc.
    • Boyd M. McClaskey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital synthesizer
    • Patent number 3,949,305
    • Issue date Apr 6, 1976
    • Narco Scientific Industries, Inc.
    • Boyd M. McClaskey
    • H03 - BASIC ELECTRONIC CIRCUITRY