Accession Number:

ADD015449

Title:

Digital Echo Repeater.

Descriptive Note:

Patent, Filed 26 Sep 91, patented 16 Jun 92,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Report Date:

1992-06-16

Pagination or Media Count:

6.0

Abstract:

The present invention relates to an echo repeaterbeacon system for use on-board marine vessels and platforms. The system includes a hydrophone for receiving an incoming acoustic signal from a remote station, an on-board computer for analyzing, detecting, shaping. collecting and storing up to 10 seconds of a shaped version of the incoming signal for later transmission as an echo signal, and a transmitting transducer for transmitting the echo signal. The on-board computer also is used to generate a beacon signal at a desired frequency and a desired repetition rate.

Subject Categories:

  • Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE