Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1988-02-22
1989-04-11
Grimley, Arthur T.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 4, 355 16, 346157, G03G 1501
Patent
active
048210668
ABSTRACT:
A nonimpact printer, for example, a color printer, of the type having an endless movable web on which two or more images are formed by an electronic printhead and transferred in registration provides reliable registration using perforations along an edge of the web. A first sensing means, for example, a printhead sprocket, senses an edge of the perforations and controls the printhead. A second sensing means, for example, a transfer sprocket also senses an edge of the perforations and controls transfer. Error in image formation because of error in perforation formation is substantially corrected by using the same perforation for transfer that is used for printing.
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Castrignano Frank
Foote, Jr. James C.
Huot Robert D.
Eastman Kodak Company
Grimley Arthur T.
Pendegrass J.
Treash Leonard W.
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