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