Fish farm cage security system

Details Fish farm cage security system Fish farm cage security system

A - Human Necessities

01

K

A01K 61/00 (2006.01) A01M 29/02 (2006.01) G08B 13/00 (2006.01) G08B 13/16 (2006.01)

Patent

CA 2139101

2139101 9400007 PCTABS00030 A fish farm cage security system includes sound-emitting devices (13) attached to the cage (10) for detecting tampering with one or more of the nets (12) forming the cage (10). Detector means (14) are provided for detecting the sound emitted by the sound-emitting devices (13) and to ambient sounds. Also provided are discriminator means (15) responsive to the output of the detector means (14) and operable to determine whether the sounds detected by the detector means (14) represent a perceived threat to stock contained within the cage (10). The output of the discriminator means (15) may actuate alarm means (17) as appropriate to the perceived threat.

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