Protective device against fish

Details Protective device against fish Protective device against fish

G - Physics

02

B

317/1

G02B 26/08 (2006.01) A01G 33/00 (2006.01) A01K 61/00 (2006.01)

Patent

CA 2002336

ABSTRACT OF THE DISCLOSURE A protective device against fish is described. The device has a laser beam source placed in water and radiates a laser beam of the blue color range in a horizontal direction. The device has also a laser beam intercepting plate disposed in water in such a way as to enclose a desired protected area at a desired distance from the laser beam source. The laser beam can be swept and shut off by the intercepting plate. - 6 -

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