Method of decoding a two-dimensional code symbol mark

Details Method of decoding a two-dimensional code symbol mark Method of decoding a two-dimensional code symbol mark

1992-12-31

1994-08-30

Pitts, Harold

Registers

Records

Particular code pattern

235454, 235456, G06K 710

Patent

active

053430310

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.

REFERENCES:
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patent: 4924078 (1990-05-01), Sant'Anselmo
patent: 4939354 (1990-07-01), Priddy
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patent: 5091966 (1992-02-01), Bloomberg
patent: 5128526 (1992-07-01), Yoshida
patent: 5168147 (1992-12-01), Bloomberg
patent: 5170044 (1992-12-01), Pastor
patent: 5202552 (1993-04-01), Little et al.
patent: 5223701 (1993-07-01), Batterman
patent: 5245165 (1993-09-01), Zhang

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