Ultrasonic image system

Details Ultrasonic image system Ultrasonic image system

1979-10-09

1981-09-08

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Acoustic image conversion

With memory means

343 5CM, 343 5PN, 343 79, 367 88, G01S 720

Patent

active

042888662

ABSTRACT:
A contour map underwater ultrasonic image system simultaneously uses a la time-bandwidth product signal waveforms for extremely fine range resolution, and an image memory organized as a three-dimensional data base of object reflectivity. The transmitted waveform is a pseudo-random coded signal. A plurality of correlator receivers produce a time-compressed pulse for each angular resolution cell. An image memory receives the output of the correlator receivers and builds up a three-dimensional data base of echoes in the form of a set of contour lines for each range cell. Standard computer-graphic techniques are used to accept the three-dimensional data base and generate displays to assist an operator in identifying the object.

REFERENCES:
patent: 3487409 (1969-12-01), Thiele et al.
patent: 3631490 (1971-12-01), Palmieri
patent: 3682553 (1972-08-01), Kapany
patent: 3887917 (1975-06-01), Howard et al.
patent: 3906496 (1975-09-01), Goodrich
patent: 3913099 (1975-10-01), Wehner et al.
patent: 4023175 (1977-05-01), Brown et al.
patent: 4207620 (1980-06-01), Morgera

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