Patent ID: 6199765
Filing Date: 2001-03-13
Classification: G06K

Abstract:
A printer media element comprising:a rectangular sheet having opposed major faces and four peripheral edges;the sheet having an elongated edge surface portion extending parallel to and proximate to a selected peripheral edge of the sheet;the edge surface portion being imprinted with a bi-directionally linearly scannable bar code pattern having a plurality of bar code sub-elements, each sub element comprising:a parallel array of alternating elongated first portions and second portions;each of the first portions having a first optical characteristic, and each of the second portions having a distinct second optical characteristic;each of the first portions and each of the second portions having a respective selected width selected from a range of different widths;each of the first portions comprising an elongated bar having a common series of alternating first segments and second segments;each of the first segments having the first optical characteristic, and each of the second segments having the second optical characteristic;each of the first segments and each of the second segments having a selected length;the length of each first segment in the series being equal to the width of a corresponding first portion at a corresponding place in the array, andthe length of each second segment in the series being equal to the width of a corresponding second portion at a corresponding place in the array.