Trawl cable vibration meter

Details Trawl cable vibration meter Trawl cable vibration meter

1993-11-16

1994-12-27

Swarthout, Brent

Communications: electrical

Watercraft alarm or indicating systems

43 94, 114254, G08B 2300

Patent

active

053769333

ABSTRACT:
A trawl cable vibration meter is described for monitoring the vibration in the trawl cables which connect a vessel and a set of trawl doors. The doors are connected to a fishing net and are towed along the ocean floor. A sensor, mounted on the vessel at a location where stress is tranferred to the vessel, provides signals corresponding to the vibration in each cable which is indicative of the interaction between the trawl door and the ocean bottom. An interface provides ongoing information on the vibration, and an alarm system for notifying an operator when a threshold has been exceeded.

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