Method of imaging a coding pattern with replicated local tag...

Details Method of imaging a coding pattern with replicated local tag... Method of imaging a coding pattern with replicated local tag...

2011-06-14

2011-06-14

Frech, Karl D. (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S472010

Reexamination Certificate

active

07959081

ABSTRACT:
A method of imaging a coding pattern disposed on a surface of a substrate. The method comprises the steps of: (a) operatively positioning an optical reader relative to the surface and capturing an image of a portion of the coding pattern; (b) sampling and decoding local tag data contained in the imaged portion; and (c) determining a position of the reader. The imaged portion has a diameter of at least one tag diameter and less than two tag diameters.

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