Seabed surveying apparatus for superimposed mapping of topograph

Details Seabed surveying apparatus for superimposed mapping of topograph Seabed surveying apparatus for superimposed mapping of topograph

1986-05-06

1989-03-21

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Echo systems

Side scanning or contour mapping sonar systems

342 25, G01S 968

Patent

active

048150452

ABSTRACT:
Disclosed is a seabed surveying apparatus wherein a first acoustic fan beam is transmitted to seabed to provide a two-dimensional topographic representation of echoes from successively greater ranges. A second acoustic fan beam is transmitted to seabed to provide a two-dimensional bathymetric representation of echoes returning from equal profiles of the varying topography. The topographic and bathymetric representations are superimposed on a common X-Y coordinate display field.

REFERENCES:
patent: 3641484 (1972-02-01), White et al.
patent: 3918025 (1975-11-01), Koshikawa et al.
patent: 3978444 (1976-08-01), Hitchcock
patent: 4096484 (1978-06-01), Ferre et al.
patent: 4216537 (1980-08-01), Delignieres
patent: 4321601 (1982-03-01), Richman
patent: 4493064 (1985-01-01), Odero et al.
patent: 4561076 (1985-12-01), Gritsch

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