Variable magnification copier

Details Variable magnification copier Variable magnification copier

1988-07-07

1989-08-01

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

Focus or magnification control

G03B 2752

Patent

active

048537489

ABSTRACT:
With a variable magnification copier of this invention, not only magnification but a reference position in the direction of scan is specified such that the image formed on a copy paper sheet is not automatically enlarged with respect to the front edge of the original document to be copied. The difference between the time to start a scan and the time to feed copy paper is controlled such that the enlarged image will not stick out of the paper.

REFERENCES:
patent: 4350439 (1982-09-01), Tanioka et al.
patent: 4611909 (1986-09-01), Ogura et al.
patent: 4696563 (1987-09-01), Shibusawa

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