In the patent, a track marker light is disclosed as having a housing and barrel containing a light source, an optical system for projecting the radiant energy from said light source as a beam along a predetermined course to be traversed by a ship. A unique relatively rotating reticle and optical filter system is mounted in front of said light source and within said optical system to encodingly turn on and off the light beam being projected from said barrel. This enables a navigator having decoding knowledge thereof to navigate said ship along a fine line transition zone at the center of said radiant energy beam.


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    Titel :

    Coded Track Marker Light


    Beteiligte:
    H. Larrimore (Autor:in)

    Erscheinungsdatum :

    1972


    Format / Umfang :

    11 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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