Accession Number : ADD000729
Title : Underwater Communications System.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Geil,Fred G
Report Date : 18 Feb 1975
Pagination or Media Count : 9
Abstract : The patent describes communication method and system for use in reverberant environments. It includes a transmission of the real time communication message followed by a transmission of the same message recorded and processed to occupy a longer period of time and to have an inverted time sequence order.
Descriptors : *Underwater communications, *Patents, Voice communications, Transmitting, Recording systems, Signal processing, Dual mode
Subject Categories : Voice Communications
Distribution Statement : APPROVED FOR PUBLIC RELEASE