Print image positioning
AssigneeScitex Corporation Ltd.
InventorShahar Harari
Life of this patent
Estimating the term…
Abstract
A method for recording a rectangular image along helical tracks on a plate, while the plate is mounted on a cylindrical surface in an imagesetter, so that an edge of the image, corresponding to a reference edge of the plate, essentially parallels the reference edge. The method includes punching one or more notches across the reference edge of the plate, providing two stop pins, fixedly attached to the cylindrical surface, and positioning the plate on the cylindrical surface so that one of the stop pins engages one of the notches.
Claims8
A method for recording a rectangular image along helical tracks on a rectangular plate, while the plate is attached to the cylindrical surface of a rotating drum in an imagesetter, one edge of the plate being a reference edge, so that an edge of the image essentially parallels the reference edge, the method comprising
- (a) providing on the surface of the drum first and second fixed protruding members;
- (b) determining a correction angle;
- (c) providing on the plate first and second contact edges, their positions relative to the reference edge being determined according to said correction angle and at least the first contact edge not forming part of the reference edge;
- (d) attaching the plate to the surface of the drum so that said first contact edge is in contact with said first protruding member and said second contact edge is in contact with said second protruding member, no edge of the plate then being parallel to the axis of the drum.
Dependencies are inferred from the claim text.