Registers – Records – Particular code pattern
Reexamination Certificate
2007-09-04
2007-09-04
Frech, Karl D. (Department: 2876)
Registers
Records
Particular code pattern
C235S487000
Reexamination Certificate
active
10883131
ABSTRACT:
A two-dimensional barcode includes a plurality of macro modules arranged in a two-dimensional array in a spiral sequence, each of macro modules includes a predetermined number of data unit modules for storing data codewords of a predetermined binary stream of bits, a predetermined number of cluster unit modules for storing a predetermined cluster number representing a location of the macro module, and a predetermined number of rim unit modules which possess a predetermined color to form a rim of the macro module. The rim unit modules of two adjacent macro modules are contrasting with each other to enhance identification of the respective macro module.
REFERENCES:
patent: 7032823 (2006-04-01), Nojiri
Chang Zhi-guo
Ding Xiaoyun
Lv Ying-feng
Wang Peng
Zhang Fu
Chan Raymond Y.
David and Raymond Patent Group
Frech Karl D.
Shenzhen SYSCAN Technology Co., Limited
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