Surface having optically readable printed tags

Details Surface having optically readable printed tags Surface having optically readable printed tags

2011-08-16

2011-08-16

St.Cyr, Daniel (Department: 2876)

Registers

Records

Particular code pattern

C235S454000

Reexamination Certificate

active

07997504

ABSTRACT:
A surface having an optically readable pattern of dots printed thereon. The pattern comprises an arbitrarily shaped constant background pattern of dots and/or blanks. The constant background pattern defines discrete areas of coded data represented by a plurality of dots positioned according to an encoding scheme. Each discrete area contains orientation information for enabling an optical reader to determine an orientation relative to the pattern of dots.

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