Slit radiography

Details Slit radiography Slit radiography

H - Electricity

05

G

358/11

H05G 1/64 (2006.01) G21K 1/02 (2006.01) H04N 5/32 (2006.01)

Patent

CA 1190980

11 ABSTRACT OF THE DISCLOSURE. Improved slit radiography. In radiography apparatus a moving slit colli- mator is disposed between an X-ray source and a patient undergoing examination. Radiation is detected with an X-ray image intensifier and television pickup chain. The field of view of the television pickup is limited to that area of the output screen of the X-ray image intensifier which corresponds to the image produced by direct radiation which passes through the moving slit. The view of the television pickup may be limited by a second slit, disposed between the X-ray image intensifier and television pickup which moves in synchronism with the first slit. Alternately, the view of a television pickup may be limited by synchronizing scan signals for the pickup of the with the motion of the slit collimator.

418650

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