Radiographic apparatus

Details Radiographic apparatus Radiographic apparatus

1974-06-04

1976-02-10

Lawrence, James W.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250447, 250451, 250505, G01T 120, G02B 500, G21K 508, G21K 506

Patent

active

039379639

ABSTRACT:
Apparatus for examining a body by means of penetrating radiation includes a source of the radiation, disposed to irradiate the body, and detector means, responsive to the radiation, disposed to receive radiation emergent from the body. The source and detector means are scanned relative to the body, the scanning motion including a rotation of the source and detector means around the body. An attenuating mass is disposed between the source and detector means and rotates therewith so as to present substantially the same profile to the radiation when the source and detector means assume different angular positions with respect to the body.

REFERENCES:
patent: 1980848 (1934-11-01), Cass
patent: 3486022 (1969-12-01), Matuda et al.

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