Patent ID: 6348979
Filing Date: 2002-02-19
Classification: B41C,B44B,G01B,G05B,H04N

Abstract:
An engraver for engraving at least one cell on a surface of a cylinder, said engraver comprising:a support for rotatably supporting said cylinder; an engraving head for engraving said cylinder, said engraving head being mounted in operable relationship with said cylinder when said cylinder is rotatably mounted on said engraver; and an imaging system for capturing an image of an area on said surface; said imaging system comprising at least one polarizer for polarizing light reflected from said cylinder to facilitate reducing undesired image noise associated with said image; said image system generating image data and processing said image data to provide at least one dimension value of said at least one cell after said at least one cell is engraved on said surface of said cylinder.