Patent Number: 6,170,436

Title: By-catch reduction acoustic device

Abstract: Acoustic devices, attached to fishing nets, reduce or avoid by-catch of marine animals during fishing operations. The acoustic devices emit a deterrent signal to a particular marine animal on actuation by the approach of the animal. At least one of the devices is an active device that detects marine animal emitted stimuli and responds with a suitable response emission.

Inventors: Goodson; Anthony David (Loughborough, GB), Woodward; Bryan (Loughborough, GB), Newborough; Darryl (Swadlincote, GB)


International Classification: A01K 79/00 (20060101); A01K 79/02 (20060101); A01K 061/00 (); A01K 073/02 (); A01K 079/02 (); H04B 001/02 ()

Expiration Date: 01/09/2013