Photocopying apparatus

Details Photocopying apparatus Photocopying apparatus

1984-07-16

1986-12-09

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 355 57, G03G 1504, G03B 2734

Patent

active

046277080

ABSTRACT:
A photocopying apparatus is provided in which a moving area of a lens at the time of a magnification changing and that of an optical device such as a mirror unit overlap partly. At the time of the magnification changing, it is determined whether the optical device is positioned at a home position. When the optical device is not located at the home position, the lens is caused to move for the purpose of the magnification changing after the optical device is returned to the home position.

REFERENCES:
patent: 4011012 (1977-03-01), Kawai
patent: 4076417 (1978-02-01), Hayashi et al.
patent: 4080062 (1978-03-01), Torigai et al.
patent: 4420246 (1983-12-01), Nonaka et al.
patent: 4486092 (1984-12-01), Ichinokawa

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