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Passive acoustic aquatic animal finder apparatus and method

  • US 5,099,455 A
  • Filed: 07/02/1990
  • Issued: 03/24/1992
  • Est. Priority Date: 07/02/1990
  • Status: Expired due to Fees
First Claim
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1. Aquatic animal finder apparatus comprising:

  • 1) passive transducer means for converting sounds, including bio-soundwaves from a living source traveling in a body of water, to electrical signals, said body of water having a top surface and a bottom surface,2) means for causing said transducer to scan about a selected axis,3) filter means connected to receive said electrical signals from said transducer means and eliminate from said electrical signals all man-made signals of a periodic character and pass bio-sound electrical signals,4) discriminator means connected to said filter means, said discriminator being programmed to pass a predetermined pattern of bio-soundwave electrical signals constituting a sonic profile of a selected aquatic animal,5) means for determining the direction of a selected aquatic animal.

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