Two-dimensional code, generation device, and reading device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12260290
APP PUB NO 20240185012A1
SERIAL NO

18421208

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A two-dimensional code 100 includes a plurality of lines L arranged in a second direction (X direction) at an interval S, and each line L includes a plurality of cells that indicate a plurality of bits and are arranged in series in a first direction (Y direction) orthogonal to the second direction. Each of the plurality of cells is either a first data cell 101 indicating a first value out of two values that the bits indicate, or a second data cell 102 indicating a second value out of the two values that the bits indicate. The first data cell includes a first density region 103 indicating the first value at a first position in the second direction. The second data cell includes a second density region 104 indicating the second value at the first position, and a third density region 105 adjacent to the second density region in the second direction. A difference in density between the first density region and the second density region is greater than a difference in density between the first density region and the third density region.

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Patent Owner(s)

  • THE RITSUMEIKAN TRUST; NOZAKI INSATSU SHIGYO CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Douseki, Takakuni Shiga, JP 29 574
Fukumizu, Yohei Shiga, JP 1 0
Kimura, Kentaro Kyoto, JP 31 143
Misawa, Junichi Kyoto, JP 8 95

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