Machine readable coded data with distributed encoding

Details Machine readable coded data with distributed encoding Machine readable coded data with distributed encoding

2006-03-21

2006-03-21

Lee, Diane I. (Department: 2876)

Registers

Records

Particular code pattern

C235S426000, C235S462030, C235S462090

Reexamination Certificate

active

07014123

ABSTRACT:
Machine-readable coded data disposed on or in a substrate. The coded data includes a plurality of layouts located in a region, each layout having n identical sub-layouts rotated 1
revolutions apart about a center of rotation. Each layout encoding a first codeword formed from a sequence of n first symbols, with each sub-layout defining the position of a respective one of the first symbols such that the first codeword is indicative of the orientation of the layout. Each layout also partially encodes a third codeword at least partially indicative of an identity of the region such that the region identity may be determined from two or more of the layouts.

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Dymetman, M., and Copperman, M., Intelligent Paper; in Electronic Publishing, Artistic Imaging, and Digital Typography, Proceedings of EP '98, Mar./Apr. 1998, Springer Verlag LNCS 1375, pp. 392-406.

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