Photocopying – Projection printing and copying cameras – With focusing or projection screen
Patent
1974-06-12
1976-04-13
Sheer, Richard M.
Photocopying
Projection printing and copying cameras
With focusing or projection screen
355 46, G03B 1328
Patent
active
039500942
ABSTRACT:
A both-side printing device which adjusts the mutual position of patterns to a predetermined relation and prints the patterns on the both sides of a both-side sensitive body of a predetermined thickness, in which the relation of the mutual position of individual patterns to be formed on the both-side sensitive body can be detected prior to the both-side printing by imaging one pattern on a mask of other pattern or on a plane having the other pattern formed thereon, and thereby alignment of the two patterns can be effected.
REFERENCES:
patent: 3794421 (1974-02-01), Kano
Kano Ichiro
Yoshinari Hideki
Canon Kabushiki Kaisha
Sheer Richard M.
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