Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent
1992-11-18
1995-03-21
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Detailed holder for original
355 47, 355 73, 355104, G03B 2762, G03B 2764
Patent
active
054001188
ABSTRACT:
A method for imaging film with color separations and text which eliminates manual stripping and the use of mylar carriers. Color separation data from a color scanner is stored digitally on a computer. Text is input directly into the computer. The data for the images and text is manipulated digitally to compose a page layout. The computer then instructs an image setter to image the complete, composed page onto four pieces of film in the four color printing colors--cyan, magenta, yellow and black. The imaged film is used to make lithographic printing plates for color printing. The image setter used in the method includes a specially pinned drum having pins corresponding to pins used during imposition. Blank film has prepunched holes corresponding to the pins on the pinned drum so that the imaged film comes off of the drum with images and text in position and register relative to the pin holes. The labor intensive steps of manually stripping film onto mylar carriers is eliminated.
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Wintercorn Richard A.
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