Accession Number : ADD016199

Title :   Acoustic Decoy.

Descriptive Note : Patent, Filed 11 May 67, patented 7 Dec 93,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Charlton, John D

Report Date : 07 Dec 1993

Pagination or Media Count : 6

Abstract : A sonar countermeasure comprising a decoy device that carries apparatus for receiving, processing and transmitting sonar signals. Processing apparatus includes magnetic tape storage, staggered record and read heads and time varying partial erase heads which produce realistic 'echo' of received sonar search signal.

Descriptors :   *ACOUSTIC DECOYS, *PATENTS, COUNTERMEASURES, MAGNETIC TAPE, PROCESSING, RECORDS, SONAR, SONAR SIGNALS, STORAGE, TAPES, TIME, TRANSMITTING

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE