Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent
1988-05-26
1989-10-17
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Copying both sides of original
271246, 271259, G03B 2732, G03B 2752
Patent
active
048750727
ABSTRACT:
An automatic document feeder, made a part of a two-side copying machine which selectably operates in one-side or two-side copying mode of operation, has a pre-feeder which advances a document to be copied next from its original position to a waiting position before reaching a copying position on a document table. A selecting device is further included for controlling the pre-feeder such that the pre-feeder does not function when the second surface of a document is being copied in two-side copying mode of operation.
REFERENCES:
patent: 4186326 (1979-03-01), Taylor et al.
patent: 4203588 (1980-05-01), Joosten
patent: 4620782 (1986-11-01), Kurando et al.
Mori Yoshiteru
Ohnishi Kazuyuki
Okuda Masakiyo
Hayes Monroe H.
Sharp Kabushiki Kaisha
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