Depth mapping system

Details Depth mapping system Depth mapping system

1976-08-25

1981-07-07

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250207, 356 2, 358 96, G01C 308, H04N 700

Patent

active

042771676

ABSTRACT:
A depth mapping system is carried from an aircraft flying above the water. pulsed laser directs a pulse at a predetermined water area and a multi-apertured photomultiplier tube receives backscattered or reflected radiation signals from both the air-water interface and a submerged surface. A signal comparator simultaneously compares each of the reflected radiation signals against the air-water interface radiation signal and drives a CRT display which illustrates the depth of the reflecting surface over the predetermined area.

REFERENCES:
patent: 3278753 (1966-10-01), Pitts et al.
patent: 3446555 (1969-05-01), Kahn
patent: 3527533 (1970-09-01), Hook et al.
patent: 3604803 (1971-09-01), Kahn
patent: 3743418 (1973-07-01), Heflinger

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