Interlaced sonar system
First Claim
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1. Sonar apparatus for use over a target area, comprising:
- A) transmitter means including transmitter transducer means operative to repetitively transmit acoustic pulses toward said target area and operable, on a first acoustic transmission, to insonify a plurality of similar but separated regions of said target area;
B) receiver means including receiver transducer means operable to receive the acoustic returns from said separated regions;
C) means for processing and storing said returns;
D) said transmitter means being operable, on each subsequent acoustic transmission, to again insonify a plurality of similar but separated regions, at least one of which regions lies in the space between two regions insonified on a previous transmission; and
E) means for utilizing said processed and stored returns.
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Abstract
A sonar system which insonifies a target area in a plurality of distinct and separated insonified regions as a result of an acoustic transmission and thereafter fills in the blank regions upon subsequent transmissions, with each transmission always leaving a space between insonified regions, which is filled in by a subsequent transmission or transmissions.
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Citations
13 Claims
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1. Sonar apparatus for use over a target area, comprising:
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A) transmitter means including transmitter transducer means operative to repetitively transmit acoustic pulses toward said target area and operable, on a first acoustic transmission, to insonify a plurality of similar but separated regions of said target area; B) receiver means including receiver transducer means operable to receive the acoustic returns from said separated regions; C) means for processing and storing said returns; D) said transmitter means being operable, on each subsequent acoustic transmission, to again insonify a plurality of similar but separated regions, at least one of which regions lies in the space between two regions insonified on a previous transmission; and E) means for utilizing said processed and stored returns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An interlace sonar system comprising:
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A) acoustic transmitter means for operation over a target area and operable to project acoustic energy toward said target area in repetitive acoustic transmissions; B) said transmitter means being constructed and arranged to insonify, on one acoustic transmission, a set of separated regions of said target area; C) said transmitter means being operable on subsequent transmissions to insonify similar sets of regions in a manner that said separated regions resulting from one transmission do not overlap insonified regions from any previous transmission.
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Specification