Identity-coded surface with reference points and coded marks

Registers – Records

Reexamination Certificate

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C235S375000, C235S494000

Reexamination Certificate

active

06843420

ABSTRACT:
A region defined in relation to a surface, and a method for defining such a region; coded data being disposed within the region, the coded data being indicative of an identity of the region and of a plurality of points within the region; in one embodiment, the coded data comprising a plurality of tags, each tag being indicative of the region identity and of its own position within the region.

REFERENCES:
patent: 5442147 (1995-08-01), Burns et al.
patent: 5477012 (1995-12-01), Sekendur
patent: 5937110 (1999-08-01), Petrie et al.
patent: 6330976 (2001-12-01), Dymetman et al.

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