Radiography

Details Radiography Radiography

1977-08-11

1979-10-30

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250360, G03B 4116

Patent

active

041729781

ABSTRACT:
In a computerized tomographic apparatus, different detectors are caused to receive radiation along substantially the same beam path through the body in order to permit the evaluation of differences in performance of the detectors. This evaluation is average with other evaluations made in respect of the same detector for other beam paths so as to reduce the risk that erroneous performance differences may be evaluated in the event that any of the relevant beam paths lies adjacent a bone edge in a patient's body. Also disclosed are techniques for electronically deflecting the radiation so that part at least of the radiation is taken clear of the body and can be detected to provide reference signals.

REFERENCES:
patent: 4010370 (1977-03-01), LeMay

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