Radiography

Details Radiography Radiography

1978-09-28

1983-10-18

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 4, G03B 4116

Patent

active

044110111

ABSTRACT:
In a radiographic apparatus, a source of radiation is arranged to scan a planar spread of radiation in a plane about the body of a patient being examined. A plurality of detector devices is arranged to provide data representing the absorption of the radiation along a plurality of paths within the spread, for different orientations in the plane, for processing to determine a distribution of absorption coefficients for a planar slice of the body. The arrangement is such that a predetermined number of the detector devices are irradiated by the spread of radiation at any time and the actual devices irradiated change progressively as the scan progresses.

REFERENCES:
patent: 3778614 (1973-12-01), Hounsfeeld

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