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Patent Searching and Data


Title:
EQUIPMENT FOR CULTURING FISH
Document Type and Number:
Japanese Patent JPH01296928
Kind Code:
A
Abstract:

PURPOSE: To inexpensively form a fish farm by providing a number of buoys for sound barrier capable of putting out sound waves disliked by fishes around a buoy for luring fishes capable of putting out sound waves liked by fishes.

CONSTITUTION: A number of buoys 10-1, 10-2, 10-3 and 10-4 for sound barrier capable of putting out aquatic sound waves having characteristics disliked by fishes are arranged around a buoy (breeding buoy) 2 for luring fishes capable of putting out characteristics liked by fishes. Both buoys 2 and 10 is moored on the surface of the water and equipped with an antenna 11 extending upward and support material extending downward. An aquatic speaker 5 capable of putting out aquatic sound waves having characteristics liked by fishes on all sides is provided on a support material of the buoys 2 for luring fishes. A number of aquatic speakers 13-1, 13-2 and 13-3 capable of putting out aquatic sound waves having characteristics disliked by fishes toward adjacent buoys 10 are provided on support materials of each buoys 10 for sound barrier.


Inventors:
Matsufuji, Tatsuhiko
Application Number:
JP1988000127570
Publication Date:
November 30, 1989
Filing Date:
May 25, 1988
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
A01K63/00; (IPC1-7): A01K63/00