Synthetic aperture scanner for decoding a coded image produced b

Details Synthetic aperture scanner for decoding a coded image produced b Synthetic aperture scanner for decoding a coded image produced b

1977-11-25

1980-03-04

Church, Craig E.

Radiant energy

With charged particle beam deflection or focussing

With target means

250416TV, 250514, 358111, G03B 4116

Patent

active

041918908

ABSTRACT:
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 transparency pattern related to the distribution pattern of said point sources, to a detector which position wise integrates the light transmitted through said mask system.

REFERENCES:
patent: 3831031 (1974-08-01), Barrett
patent: 3882310 (1975-05-01), Barrett
patent: 4023037 (1977-05-01), Weiss
patent: 4087837 (1978-05-01), Geluk

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