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

73626, G01N 2900

Patent

active

041310241

ABSTRACT:
An improved pulse-echo ultrasonic-imaging system for scanning, in real time, objects such as soft tissue within a living human body. It employs a transducer including first and second parallel wave-energy generating electrodes extending linearly in a first direction and a linear array of image-spot detecting electrodes also extending in this first direction and is situated half-way between the first and second electrodes. Scanning in a second direction orthogonal to the first direction is provided by counter-rotating Risley prisms rotating at a predetermined rate. The distance between each of the first and second electrodes and the linear array is related to this predetermined rate such that reflected wave energy is always directed to the linear array.

REFERENCES:
patent: 2833999 (1958-05-01), Howry
patent: 3794964 (1974-02-01), Katakura
patent: 3886490 (1975-05-01), Green
patent: 3895525 (1975-07-01), Eichelberger et al.
patent: 3918024 (1975-11-01), Macovski
patent: 3918297 (1975-11-01), Rocha
patent: 3937066 (1976-02-01), Green et al.
patent: 4016750 (1977-04-01), Green

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