Registers – Records – Particular code pattern
Reexamination Certificate
2005-03-22
2005-03-22
Paik, Steven S. (Department: 2876)
Registers
Records
Particular code pattern
C235S454000, C235S462010, C235S462240, C235S487000
Reexamination Certificate
active
06869022
ABSTRACT:
A part marking technique based on a string of alphanumeric human-readable characters which are “printed” using a “texture” which is “cut-out” from a two-dimensional redundant bit pattern, e.g., a two-dimensional matrix of data cells selectively occupied or not occupied by dots or other suitable geometric shapes. The bit pattern is readable by a system comprising an imager and a computer for processing the data contained in the acquired image. In the case of a bit pattern formed by visible dots, the system comprises an optical detector, e.g., a television camera or other imager. The part marking is simultaneously readable by a human and a computer system.
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Cabou Christian G.
General Electric Company
Ingraham Donald S.
Paik Steven S.
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