Passive acoustic aquatic animal finder apparatus and method
First Claim
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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Accused Products
Abstract
Aquatic animal finder apparatus and method include one or more passive transducers for converting sounds, including bio-soundwaves from a living aquatic animal source traveling in a body of water, to electrical signals, the transducer is caused to scan about a selected axis, the electrical signals are filtered to eliminate all man-made signals of a periodic character and pass bio-sound electrical signals. A discriminator is connected to the filter and programmed to pass a predetermined pattern of the bio-soundwave electrical signals constituting a sonic profile, signature or imprint of a selected aquatic animal. The direction of a selected aquatic animal is detected and presented to the user and range, depth and direction of movement of the selected aquatic animal are determined solely from the biosound signals received from the aquatic animal.
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Citations
34 Claims
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1. Aquatic animal finder apparatus comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14)
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11. Aquatic animal finder apparatus as defined in claim wherein said predetermined sequence is sequential in said quadrants.
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15. A method of finding aquatic animals comprising:
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at a listening point, converting 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, filtering said electrical signals to eliminate from said electrical signals all man-made signals of a periodic character and pass bio-sound electrical signals, discriminating bio-sound signals after said filtering to pass a predetermined pattern of bio-soundwave electrical signals constituting a sonic profile of a selected fish sound, determining the direction of predetermined pattern of bio-soundwaves relative to said listening point, and determining the range to said selected fish sound, including detecting the difference in times of arrival of
1) bio-sound from said living source first reflected off of said bottom surface to said listening point (B signal), and
2) bio-sound from said living source which has been first reflected from said bottom surface of said body of water and the top surface of said body of water to said listening point (BS signal). - View Dependent Claims (16)
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17. Aquatic animal finder apparatus comprising:
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1) passive transducer means for converting sounds, including bio-soundwaves from a living aquatic animal 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 means to scan a 360 degree circle about said passive transducer, 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 sound, 5) means for determining the direction of a selected aquatic animal sound, and 6) range means for determining and indicating the range to said selected aquatic animal solely from said selected aquatic animal sound. - View Dependent Claims (33, 34)
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18. Aquatic animal finder apparatus comprising:
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1) passive transducer means for converting sounds, including bio-soundwaves from a living aquatic animal 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) direction means for determining and indicating the direction of a selected aquatic animal, and 4) range means for determining and indicating the range to said aquatic animal solely from said electrical signals. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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19. Aquatic animal finder apparatus comprising:
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1) passive transducer means for converting sounds, including bio-soundwaves from a living aquatic animal 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 means to scan a 360 degree circle about said passive transducer, and 3) range means for determining and indicating the range to a selected aquatic animal solely from said electrical signals. - View Dependent Claims (31, 32)
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20. Aquatic animal finder apparatus comprising:
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1) passive transducer means for converting sounds, including bio-soundwaves from a living aquatic animal 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 means to scan a 360 degree circle about said passive transducer, 3) means for determining and indicating the direction of a selected aquatic animal sound, 4) range means for determining and indicating the range to said selected aquatic animal solely from said electrical signal, and 5) depth means for determining and indicating the depth of said selected aquatic animal solely from said electrical signals. - View Dependent Claims (21)
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Specification