发明名称 |
Coded data pattern having redundantly-encoded orientation |
摘要 |
A substrate having a coded data pattern disposed on a surface thereof. The coded data pattern comprises a plurality of target features defining a grid. The grid comprises a plurality of tags with neighboring tags sharing target features. Each tag comprises respective tag data encoded by a plurality of macrodot data elements contained in each tag. The macrodot data elements encode: a plurality of Reed-Solomon symbols, wherein a set of the symbols define a Reed-Solomon codeword; and an orientation of a layout of the tag data. The orientation is encoded a plurality of times in each tag.
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申请公布号 |
US7984858(B2) |
申请公布日期 |
2011.07.26 |
申请号 |
US20090475554 |
申请日期 |
2009.05.31 |
申请人 |
SILVERBROOK RESEARCH PTY LTD |
发明人 |
LAPSTUN PAUL |
分类号 |
G06K19/06;G06K7/10;G06K19/00 |
主分类号 |
G06K19/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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