Method and apparatus for scanning in computerized tomography

Details Method and apparatus for scanning in computerized tomography Method and apparatus for scanning in computerized tomography

1975-12-10

1977-03-01

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250369, 250445T, G01N 2308

Patent

active

040103714

ABSTRACT:
In an X-ray apparatus for examining a body a source of a fan of radiation and detectors of the radiation along beams in the fan are traversed in a plane to provide data for a plurality of sets of parallel beams in the plane. An orbital motion is provided to give data for further sets at different inclinations in the plane. The data can be processed by arrangements using such "parallel" sets. The orbital motion is continuous during the traverse but the extent of angular change in one lateral scan is kept small so that lack of parallelism in the "parallel" sets does not give excessive errors.

REFERENCES:
patent: 3946234 (1976-03-01), Hounsfield

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