Accession Number : ADD002519
Title : Updated Diver Navigation Device.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C
Personal Author(s) : Acks,Robert S ; Watson,Stanley J ; McCracken,Howard B
Report Date : 16 Mar 1976
Pagination or Media Count : 8
Abstract : The patent relates to a device whereby, in a diver's navigation system employing a receiver having three equal, angularly disposed hydrophone locations, a digital signal processing circuit is employed which receives frequency shift keyed digital data from remote beacons. Circuitry is provided to process this data to derive a bearing indication to the beacon.
Descriptors : *Divers, *Underwater navigation, *Patents, Acoustic signals, Hydrophones, Frequency shift keyers, Signal processing, Direction finding
Subject Categories : Marine Engineering
Underwater and Marine Navigation and Guidance
Distribution Statement : APPROVED FOR PUBLIC RELEASE