Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1992-07-27
1993-07-27
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367105, 367138, 367908, 367910, G01S 1500
Patent
active
052316106
ABSTRACT:
The objects of the present invention are achieved by temporarily suspending sonar beam transducer means at a first underwater location within sonar beam range of said scoured area; scanning a first portion of said scoured area with said sonar beam in a first substantially vertical plane that points in a first azimuth direction, so as to generate signals indicative of the range and bearing of said scanned first portion from said transducer means; and scanning at least a second different portion of said scoured area with said sonar beam in a second different substantially vertical plane that points in a second different azimuth direction, so as to generate signals indicative of the range and bearing of said scanned second portion from said transducer means. In actual practice, scanning by the sonar beam occurs in many different vertical planes and also can be done from different underwater locations.
REFERENCES:
patent: 3164799 (1965-01-01), Minasian
patent: 3617996 (1971-11-01), Herbert
patent: 3686887 (1972-08-01), Bruce
patent: 4855966 (1989-08-01), Cinquino
The MESOTECH Brochure, published by Mesotech Systems, Ltd., 2830 Huntington Pl. Port Coquitlam, B.C., Canada V3C 4T3. (date of publication unknown).
The MESOTECH Brochure, published by Simrad Mesotech Systems Ltd., 2830 Huntington Place, Port Coquitlam, B.C., Canada V3C4T3. (date of publication unknown).
The Klein Digital Sonar Systems Brochure, published by Klein Associates, Inc. High Resolution Sonar, Klein Drive, Salem, N.H. 03079. (date of publication unknown).
The Oceonics I Brochure, published by Endeco/YSI, Inc., 13 Atlantis Drive Marion, Mass. (date of publication unknown).
The SIMRAD MS 990 Series Color Imaging Sonars Brochure, published by Simrad Mesotech Systems, Ltd., 1598 Kebet Way, Port Coquitlam, B.C., Canada. (date of publication unknown).
The CAP-6000A Chirp Acoustic Profiler Brochure, published by Datasonics, P.O. Box 3, Cataumet, Mass. 02534. (date of publication unknown).
The High Definition Sonar Brochure, published by Submar, Inc., 5200 Mitchelldale B-17, Houston, Tex. 77092. (date of publication unknown).
The Standard Mesotech Model 971 Colour Imaging Sonar System Operating Manual, pp. 4-18 published by Mesotech Systems, Ltd., 2830 Huntington Pt., Post Coquitlam, B.C., Canada V3C 4T3. (date of publication unknown).
Barksdale Jr. Gordon G.
Schellstede Herman J.
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