Integrated passive acoustic and active marine aquatic apparatus and method
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United States of America Patent
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-
Dec 1, 1992
Issued Date -
N/A
app pub date -
Aug 14, 1991
filing date -
Jul 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
One or more passive transducers for converting sounds, including bio-soundwaves from a living aquatic animal source traveling in a body of water, to electrical signals, is combined with an active sonar (echo sounding) to form an integrated marine acoustic system. Moreover, a common display can be used and coupled with a satellite (GPS) or loran position locator so that a fishing vessel carrying the apparatus can have its position displayed on an electronically reproduced chart or map of an area along with the fish location, including an indication of the direction of fish movement, and fish species.
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