SEXTANT HAVING NIGHT VIEWING CAPABILITY AND DIGITAL READOUT AND PORTABLE COMPUTER SYSTEM

The patent relates to a portable Celestial Navigation system using a hand-held sextant having night viewing capability and electrical digital readout of the altitude of celestial bodies, as by a shaft rotation encoder, coupled to a miniature, dedicated, special purpose portable computer. The computer, comprising an accurate clock and ephemeral data, such as the Nautical Almanac data, is programmed to combine all the data to solve the celestial navigation problem and compute a line-of-position of ships position.

  • Corporate Authors:

    Department of the Navy

    Washington, DC  United States 
  • Authors:
    • Feldman, S
    • Ketts III, H C
  • Publication Date: 1974-12-10

Media Info

  • Pagination: 7 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00130513
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: PAT-APPL-312066 Patent, AD-D001 324/3
  • Files: TRIS
  • Created Date: Apr 7 1976 12:00AM