Synthetic aperture scanner for decoding a coded image...

Details Synthetic aperture scanner for decoding a coded image... Synthetic aperture scanner for decoding a coded image...

H - Electricity

05

G

358/11

H05G 1/00 (2006.01) A61B 6/02 (2006.01) H05G 1/70 (2006.01)

Patent

CA 1092257

Title: Synthetic aperture scanner for decoding a coded image produced by penetrating radiation, such as X-rays. Abstract of the disclosure: A system for decoding a coded aperture image of an object exposed to short-wave radiation from a plurality of point sources positioned in space in accordance with a given distribution. The coded aperture image is displayed by a cathode ray tube having its screen optically coupled to the entrance screen of an image intensifier tube. This image intensifier tube is effective to consecutively shift its entrance screen image in its entirety along a field pattern of lines. The images thus produced on the exit screen of the intensifier tube are transferred through a mask system having a transparancy pattern related to the distribution pattern of said point sources, to a detector which position wise integrates the light transmitted through said mask system.

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