Pulse-echo ultrasonic-imaging display system

Details Pulse-echo ultrasonic-imaging display system Pulse-echo ultrasonic-imaging display system

1977-02-07

1978-12-26

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

73625, 73629, 128 2V, G01N 2900

Patent

active

041310225

ABSTRACT:
An improvement to a pulse-echo ultrasonic-imaging system, which permits the displaying of a three-dimensional representation of internal structure such as the soft tissue within the body of a living human being. The improved system includes a focusing device, such as an acoustic lens or an acoustic axicon, which provides a depth of field for the scanning focused beam which is several times the focused spot size of the scanning focused beam and which is at least as great as the depth dimension of the structure.

REFERENCES:
patent: 2833999 (1958-05-01), Howry
patent: 3792423 (1974-02-01), Becker
patent: 3886490 (1975-05-01), Green
patent: 3895525 (1975-07-01), Eichelberger
patent: 3918024 (1975-11-01), Macovski
patent: 3918297 (1975-11-01), Rocha
patent: 3937066 (1976-02-01), Green
patent: 4016750 (1977-04-01), Green

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