Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent
1983-09-15
1986-02-25
Nix, L. T.
Photocopying
Projection printing and copying cameras
Focus or magnification control
G03B 2734
Patent
active
045726582
ABSTRACT:
A variable magnification imaging device for a copier employs a swingable mirror assembly and a cam and follower mechanism for regulating the angular position of the mirror assembly. As a carriage supporting a lens thereon moves along an optical axis toward and away from the mirror assembly, the mirror assembly is caused to swing automatically to a desired magnification position through a parallelogram link mechanism, while having its angular position properly regulated by the cam and follower mechanism.
REFERENCES:
patent: 4457616 (1984-07-01), Tokuhara
Suzuki Shigeru
Yasuda Yuji
Alexander David G.
Brown Brian W.
Nix L. T.
Ricoh & Company, Ltd.
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