Duplex copying apparatus

Details Duplex copying apparatus Duplex copying apparatus

1986-12-12

1988-01-26

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 24, 355 55, G03G 1500

Patent

active

047213817

ABSTRACT:
There is disclosed a copying apparatus having a duplex copying capability for copying an image of a first document on the front face of a copy paper and an image of a second document on the rear face of the copy paper. This apparatus is controlled so as to inhibit the copying operation in case that the image of the second document can not be contained within the frame of the rear face of the copy paper. Having the magnification varying capability, this apparatus is controlled so as to set an optimum magnification computed from either a size of the first document or the copy paper and a size of the second document.

REFERENCES:
patent: 3615129 (1971-10-01), Drawe et al.
patent: 3630607 (1971-12-01), Korn et al.
patent: 4277165 (1981-07-01), Wada et al.
patent: 4341460 (1982-07-01), Kohyama
patent: 4455081 (1984-06-01), Yoshimura et al.

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