Reproduction camera with system to correct exposure for stray light
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United States of America Patent
Stats
-
Dec 17, 1985
Grant Date -
N/A
app pub date -
May 25, 1984
filing date -
May 26, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reproduction camera for the production of contact screen prints from an original is provided with sensing means, such as a photoelectric cell, for obtaining a measure of the light reflected by the original under conditions of an imagewise main exposure through the contact screen and a signal representing the obtained measure is inputted to a computerized control system through which, by taking into account the effect of stray light caused by reflection from the original during the main exposure, a non-imagewise additional exposure through the contact screen is effected so as to reproduce the minimum and maximum optical densities of the original with the correct dot sizes.
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International Classification(s)
Cited Art Landscape
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