AN UNDERWATER SENSOR, AND A METHOD FOR ADJUSTING TOWING POWER OF A VESSEL
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Jan 17, 2023
filing date -
Jan 17, 2023
priority date (Note) -
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Abstract
An underwater sensor (10) comprising several cameras (14) that take pictures of fish (70) to identify species and measure size, with a sensor housing (12) which can be placed in a trawl (50), where the sensor housing (12) comprises: at least two cameras (14) in stereo configuration arranged to take pictures of passing fish, one or 5 more light modules (16) to illuminate passing fish, a sonar (18) arranged to register passing fish, a control and processing unit (22) connected to said cameras (14), light modules (16) and sonar (18), as well as a battery (20). The control and processing unit (22) is on a signal from the sonar (18) arranged to activate or deactivate said cameras (14) and light modules (16), as well as to process said images to identify 0 the species and measure the size of passing fish.
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