Process camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 29, 1991
Grant Date -
N/A
app pub date -
Nov 1, 1989
filing date -
Nov 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A copyboard and a platen are disposed horizontally so that a copy can be horizontally placed on the copyboard and a photosensitive medium can be horizontally supported on the platen. A mirror disposed above the copyboard and a movable mirror disposed above the platen jointly form an optical path extending from the copyboard to the platen, while shortening the distance between the copyboard and the platen. Two pairs of mask plates are disposed in front of and parallel to the surface of the platen on which the photosensitive medium is to be supported, the mask plates being independently movable along two axes perpendicular to each other. The distances from the optical axis to the mask plates are determined for each of images to be photographed on the photosensitive medium, based on various input data including a photographing dimension, the distances between the photosensitive medium and the mask plates, etc.
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Cited Art Landscape
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