Method and apparatus for determining the position of a mobile ap

Details Method and apparatus for determining the position of a mobile ap Method and apparatus for determining the position of a mobile ap

1980-04-15

1981-12-29

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Returned signal used for control

367117, 367127, G01S 1542, G01S 1588

Patent

active

043086004

ABSTRACT:
The invention relates to the determination of the position of a self-contained operating apparatus movable along any line of displacement over any immersed structure.
A follower apparatus is associated with the operating apparatus, and the position of this follower apparatus, along a line of displacement chosen as the reference line, is determined at any instant. The follower apparatus is displaced by the operating apparatus by servo-control means, and at any instant the transverse distance between the operating apparatus and the follower apparatus is monitored.

REFERENCES:
patent: 3222634 (1965-12-01), Foster
patent: 3336572 (1967-08-01), Paull et al.
patent: 3383651 (1968-05-01), Koblick
patent: 3757285 (1973-09-01), Ferre
patent: 3792424 (1974-02-01), Nakatsuji et al.
Marine Week, "In Water Hull Inspection by Robot Scanner, " p. 29, vol. 11, No. 25, Oct. 1974.
Talkington, H. R., Navy Tech. Disclosure Bull., "Remotely Operated Hull Inspection Vehicle", vol. 1, No. 1, May 1976, pp. 71-76.

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