Reduced dose CT scanning

Details Reduced dose CT scanning Reduced dose CT scanning

1977-11-03

1980-04-29

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250514, G03B 4116

Patent

active

042008000

ABSTRACT:
A CT scanner having a rotating X-ray source and a stationary circular array of 600 contiguous detectors includes a sliding shutter mechanism incorporated in the precollimator system that prevents detectors at the beginning and at the end of a scan from receiving radiation while progressively increasing and decreasing, respectively, the current to the X-ray tube.

REFERENCES:
patent: 3881110 (1975-04-01), Hounsfield
patent: 3922552 (1975-11-01), Ledley
patent: 4045672 (1977-08-01), Watanabe
patent: 4057725 (1977-11-01), Wagner
patent: 4075489 (1978-02-01), Neal
patent: 4097747 (1978-06-01), Kowalski

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