Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1982-04-15
1984-03-13
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 4, 355 69, G03G 1501, G03G 1504
Patent
active
044364105
ABSTRACT:
A color image forming apparatus having a variable magnification ratio copy function has a controller which controls a voltage applied to an exposure lamp in accordance with a given magnification ratio and a selected one of a plurality of color filters which are sequentially selected to be inserted in an optical path of a reflected light from an original. Color copies of correct color balance are produced for any magnification ratio.
REFERENCES:
patent: 3748036 (1973-07-01), Ogawa
patent: 4264188 (1981-04-01), Tomosada et al.
patent: 4278334 (1981-07-01), Maeda
Canon Kabushiki Kaisha
Moses Richard L.
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