Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent
1980-08-25
1982-11-30
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Detailed holder for original
G03B 2762
Patent
active
043613985
ABSTRACT:
A reprographic camera for exposing an original to illumination that is passed through an optical system to light-sensitive material is provided with a holder having at least two mounting surfaces onto each of which an original can be fitted, and which is rotatable about an axis perpendicular to the optical axis of the optical system so that the holder can be set in a plurality of positions in each of which one of the mounting surfaces faces the optical system. One of the mounting surfaces is located at a greater distance than another from the axis of rotation of the holder so that the respective active positions of these surfaces are at different distances from the objective of the optical system, thus providing different reproduction ratios.
REFERENCES:
patent: 1692544 (1928-11-01), Caps et al.
patent: 2799204 (1957-07-01), Blatherwick
patent: 3627416 (1971-12-01), Benson
patent: 3762815 (1973-10-01), Friedel
Hayes Monroe H.
Johnston Albert C.
Oce'-Nederland, B.V.
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