Patent
1989-12-04
1991-01-15
Sikes, William L.
G02B 600, G02B 614
Patent
active
049848623
ABSTRACT:
A light radiator for use in the cultivation of fish is described. The device includes a light guide for introducing light rays therein through its end portion and emits the same through its peripheral surface, a first-transparent container for hermetically accommodating therein the light guide and a second semitransparent container for hermetically accommodating therein the first transparent container. The second container is placed in water so as to outwardly project the light through the semi-transparent container.
REFERENCES:
patent: 4815815 (1989-03-01), Mori
patent: 4822123 (1989-04-01), Mori
Sikes William L.
Wise Robert E.
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