Image forming apparatus with a unidirectional magnification func

Details Image forming apparatus with a unidirectional magnification func Image forming apparatus with a unidirectional magnification func

1986-01-23

1987-03-17

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 8, 355 52, G03B 2734, G03B 2740, G03B 2770

Patent

active

046503170

ABSTRACT:
An image forming apparatus with a unidirectional magnification function, the apparatus comprising an original scanning unit for optically scanning an original in a predetermined direction so as to obtain an optical image, a variable magnification unit having first and second variable magnification mechanisms which vary magnifications of the optical image obtained by the original scanning unit in the original scanning direction, and in a direction perpendicular thereto, a photosensitive body which is movable in synchronism with the original scanning unit, an image forming unit for exposing the optical image onto the photosensitive body through the first or second variable magnification mechanisms of the variable magnification unit, so as to form an image which has the predetermined magnifications with respect to the original, and a unidirectional magnification unit for independently driving one of the first and second variable magnification mechanisms of the variable magnification unit.

REFERENCES:
patent: 3861797 (1975-01-01), Nishida et al.
patent: 4536084 (1985-08-01), Tokuhara
patent: 4571061 (1986-02-01), Osanai et al.
patent: 4583846 (1986-04-01), Nakamura et al.

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