Method of decoding a two-dimensional code symbol mark
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United States of America Patent
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Aug 30, 1994
Grant Date -
N/A
app pub date -
Dec 31, 1992
filing date -
Apr 6, 1992
priority date (Note) -
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Abstract
A method for decoding and processing at high speed by reading two-dimensional code symbol marks by a code reader in a small memory capacity. The X-axis side indication line 4 or Y-axis side indication line 5 in an information area 8 recording the code symbol mark 2 is read by the code reader 3, and division marks 7 recorded on the X-axis side indication line 4 or Y-axis side indication line 5 are detected. At every interval of dividing the division marks 7 in the Y-axis direction or X-axis direction by a specific integer value, the code mark 9 of the binary signal recorded in the information are 8 is sequentially read by the code reader 3 up to an end part of the Y-axis side indication line 5 or the X-axis side indication line 4 and the region formed in each square, of which one side is the interval of the division mark 7 is read by the code reader 3, or the length between the division codes divided by an integer value is processed, thereby decoding the code symbol mark 2.
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