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US09269034B2 Orthogonal encoding for tags 有权
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Orthogonal encoding for tags
Abstract:
Symbologies for encoding data, as well as methods of encoding and decoding thereof are described. The symbologies may have a plurality of pixels arranged in a plurality of patterns on or in a substrate. Furthermore, each of the plurality of pixels may have one or more optical properties that each provides one or more types of non-interacting data.
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