Ultrasonic diagnostic multiple-sector image display system

Details Ultrasonic diagnostic multiple-sector image display system Ultrasonic diagnostic multiple-sector image display system

1985-11-08

1988-02-02

Kamm, William E.

Surgery

Truss

Pad

358112, A61B 1000

Patent

active

047223456

ABSTRACT:
In an ultrasonic imaging system echo signals representative of the amplitude of ultrasonic energy returning along a plurality of angularly spaced paths are sampled at a constant speed and stored into a buffer memory. At a speed inversely proportional to the cosine of the angle of said path with respect to a reference line the echo samples are read out of the buffer memory and written into a specified area of a graphic memory at a constant speed in the direction of the rows thereof and at a speed proportional to the tangent of the angle of the path with respect to the reference line in the direction of the columns thereof. At a constant speed echo samples are read out of the graphic memory in the directions of the rows and columns and applied to a monitor to be displayed in a raster scan field.

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