H - Electricity – 05 – G
Patent
H - Electricity
05
G
358/11.1
H05G 1/02 (2006.01) A61B 6/03 (2006.01) H04N 5/32 (2006.01) H05G 1/64 (2006.01)
Patent
CA 1087760
ABSTRACT OF THE DISCLOSURE An apparatus for examining an object disposed between a source of penetrating radiation and a radiation responsive detector having an image intensifier tube and associated continuous detector screen, the combination of said source and said detector together with an adjustable beam collimator being mounted so as to allow for a rotation relative to the object about an axis extending perpendicularly to a cross-sectional plane of said object; the efficiency of said apparatus can be improved if such apparatus can be selectively adapted to function either as a system for providing an overall X-ray image, or as: a system for providing a tomogram; such improvement is achieved by the provision of an electronic control arrange- ment for selectively adjusting the format and resolution of an image corresponding to a composed video signal obtained by scanning the image caused by projecting the image produced at the detector output onto the target of a television camera tube, and position selecting means for orienting the position of a support for said object selectively and in dependence of the adjustment of said electronic control arrangement, with respect to the position of said source detector and collimator in such a manner that said body can be irradiated with a substantially conical beam or with a substantially flat diverging beam.
288373
Fetherstonhaugh & Co.
N. V. Optische Industrie "de Oude Delft"
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