Imaging by point absorption of radiation

Details Imaging by point absorption of radiation Imaging by point absorption of radiation

1977-01-04

1978-04-18

Anderson, Bruce C.

Radiant energy

Automatic/serial detection of similar sources

250315A, G03B 517

Patent

active

040853241

ABSTRACT:
Radiation is partially blocked by a pointlike absorber to establish a patterned flux whose intensity distribution is a function of source geometry. The flux strikes a receptor having a proper contrast to spatial frequency characteristic to map an image that is topologically equivalent to the source at an acceptable level of contrast and acuity.
Apparatus is disclosed that is capable of practicing the invention in the X-ray and light regions of the electromagnetic spectrum.

REFERENCES:
patent: 1865441 (1932-07-01), Mutscheller
patent: 2900515 (1959-08-01), Criscuolo et al.
patent: 3263079 (1966-07-01), Mertz et al.
patent: 3412246 (1968-11-01), Horwitz
patent: 3801785 (1974-04-01), Barrett
patent: 3860817 (1975-01-01), Carmean
"An Investigation of the Inverse Pinhole Camera" Ronald Cowart, Thesis from University of Texas, June 1976.

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