Photocopying – Contact printing – Light boxes
Patent
1989-05-08
1991-12-10
Braun, Fred L.
Photocopying
Contact printing
Light boxes
G03G 2100
Patent
active
050722611
ABSTRACT:
A copier for producing a set of duplex copies from a set of originals in which the copy set has subsets in which the first page of each subset is on the back side of a copy. The copier includes an image-producing section for producing images of originals at an exposure position; a circulating feeder for receiving a set of originals at a receiving position and for sequentially circulating individual orignals from the receiving position to the exposure position of the producing section and then back to the receiving position. A supply of copy sheets is provided to selectively supply copy sheets to the producing section to receive images on both sides thereof. The copier includes a logic and control unit operable in a setup mode for controlling the circulating feeder to circulate originals one at a time under operator control. An operator actuable switch is provided to designate individual original pages which are to be the first pages of subsets of duplex copies. The control unit also is operable in a producing mode for controlling the circulating feeder to circulate the originals to the exposure position; for controlling the producing section to produce sequential images of the original; and for controlling the copy sheet supply to supply to the producing section copy sheets to receive images of original pages on the front and back sides of copy sheets with the designated first page of each subset being received on the back side of a copy sheet.
REFERENCES:
patent: 4453821 (1984-06-01), Smith
patent: 4640607 (1987-02-01), Bray
patent: 4712908 (1987-12-01), Nakayama et al.
Braun Fred L.
Eastman Kodak Company
Sales Milton S.
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