| 摘要 |
A code pattern for providing information is disclosed, which can effectively improve the ratio of effective marks, and the effective marks are distributed in a rhombus area. The code pattern comprises: a plurality of nominal positions and a plurality of information marks. The nominal positions are respectively located at a plurality of intersections of a plurality of first hypothetical lines and a plurality of second hypothetical lines, and the first hypothetical lines are parallel to one diagonal line within the rhombus area. The plurality of information marks are respectively disposed within the area formed by the nominal positions, and each information mark is used to represent one of at least two values.
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