Method and means for real time image zoom display in an ultrason

Details Method and means for real time image zoom display in an ultrason Method and means for real time image zoom display in an ultrason

1983-06-10

1985-06-04

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73621, 73633, 128660, 340731, H04N 502, G01N 2900, G06F 3147

Patent

active

045206716

ABSTRACT:
Real time image zoom is obtained by sampling electrical signals corresponding to reflected ultrasonic waves at a sampling frequency whereby display data is obtained only in an area of interest. The sampling is delayed to eliminate signals from areas not of interest. Ultrasonic pulse repetition rate is selected so that internal resolution in the area of interest is optimized.

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patent: 4398540 (1983-08-01), Takemura et al.
patent: 4417475 (1983-11-01), Okazaki
patent: 4428065 (1984-01-01), Duvall et al.
patent: 4431007 (1984-02-01), Amazeen et al.
patent: 4468748 (1984-08-01), Leavitt
patent: 4470303 (1984-09-01), O'Donnell

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