[ii] Patent Number: 5,984,193 [45] Date of Patent: Nov. 16,1999
4,818,850 4/1989 Gombrich et al 235/494
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5/105,873 4/1991 West 283/92
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Primary Examiner—Donald Hajec
Assistant Examiner—Daniel Felten
[57] ABSTRACT
A bi-directionally scannable bar code pattern having a parallel array of alternating lines and spaces, each having selected widths. Each line has a common series of segments and segment spaces of selected lengths. The length of each segment may be the same as the width of a corresponding line, and the length of each segment space may be the same as the width of a corresponding space between lines. The pattern may be printed on a sheet of printer media, or on a strip attached to such a sheet.
19 Claims, 3 Drawing Sheets