X-ray or gamma ray systems or devices – Beam control – Filter
Patent
1986-09-29
1988-03-15
Fields, Carolyn E.
X-ray or gamma ray systems or devices
Beam control
Filter
378147, 378146, 378157, G21K 510, G21K 300
Patent
active
047318074
ABSTRACT:
The present invention concerns an X-ray examination apparatus allowing to produce images of an object through the scanning of the object by at least two fan-shaped beams having different energy spectra, and obtained from a single X-ray source, thereby allowing to obtain simultaneously images of the object adapted to contain different informations.
REFERENCES:
patent: 4020356 (1977-04-01), Brahme
patent: 4149081 (1979-04-01), Seppi
patent: 4177382 (1979-12-01), Hounsfield
patent: 4255664 (1981-03-01), Rutt
Gabbay Emile
Plessis Andre
Trotel Jacques
Fields Carolyn E.
Hynds Joseph A.
Plottel Roland
Thomson-CGR
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