Image exposure apparatus

Electrophotography – Image formation – Exposure

Patent

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Details

399196, 355 55, G03G 1504, G03G 1528

Patent

active

059406631

ABSTRACT:
An error between a set value of magnification and an actual value of magnification is reduced by correcting the amounts of movement of a single-focus lens unit and a mirror in accordance with a production error in the focal length (in accordance with the lot number) of the single-focus lens unit.

REFERENCES:
patent: 4903079 (1990-02-01), MacAndrew
patent: 5045763 (1991-09-01), Kobayashi et al.
patent: 5191376 (1993-03-01), Hayashi
patent: 5221974 (1993-06-01), Kusumoto et al.
patent: 5369465 (1994-11-01), Kuwahara
patent: 5450175 (1995-09-01), Sato et al.
patent: 5508791 (1996-04-01), Besshi et al.

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