Accession Number : AD0164298

Title :   Extended Range Underwater Optics System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Thomas,John F. ; Keller,Karl H.

Report Date : 23 FEB 1971

Pagination or Media Count : 6

Abstract : The patent describes an extended range undersea clear water viewing system conserving the clear water supply capability. Range is extended by containing flow of clear water toward viewed object by means of solid body boundaries or by flowing turbid water boundaries, or both, and by generating vortex flow.

Descriptors :   *Underwater objects, *Optical detectors, *Patents

Subject Categories : Marine Engineering
      Optical Detection and Detectors
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE