High resolution digital radiography system

Details High resolution digital radiography system High resolution digital radiography system

1981-12-15

1983-06-21

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

358111, 378149, G01N 2304, H05G 160

Patent

active

043897290

ABSTRACT:
A digital radiography system includes an X-ray source for projecting a beam of X-rays toward and through an object to be examined onto the input face of an image intensifier tube. A multi-hole collimator is disposed between the object and the image intensifier tube for producing a two-dimensional array of spaced pencil beams, and these pencil beams are raster scanned relative to the object being examined and across the input face of the image intensifier tube through small distances corresponding generally to the distance between the holes in the collimator. The succession of images which are produced on the output face of the image intensifier tube during the scanning of the pencil beams are scanned by a video camera whose output signals are digitized and stored as partial images, and the partial images are thereafter interleaved with one another to provide a composite comparatively high resolution image of the object being examined.

REFERENCES:
patent: 2730566 (1956-01-01), Bartow et al.

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