Accession Number : ADD002669

Title :   Acoustic Transponder Navigation System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Kelly,Neil C ; McFarland,Robert L ; Sampsell,Jack W

Report Date : 17 Feb 1976

Pagination or Media Count : 7

Abstract : The patent provides an improved system for detecting hidden submarine obstacles and for marking a navigable course through such obstacles. It provides an improved sonar system which will respond to both echo signals from passive hunted submerged objects as well as signals from underwater transponders and simultaneously display both signals on a common display screen.

Descriptors :   *Underwater navigation, *Sonar, *Patents, Transponders, Underwater object locators, Sonar equipment

Subject Categories : Acoustic Detection and Detectors
      Underwater and Marine Navigation and Guidance

Distribution Statement : APPROVED FOR PUBLIC RELEASE