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Two-dimensional bar code

A technology of true knowledge code and image-seeking graphics, which is applied in the field of two-dimensional true knowledge code, can solve the problems that the aspect ratio of two-dimensional barcode cannot be adjusted arbitrarily, limit the application range of two-dimensional matrix barcode, etc., and achieve a wide range of applications and simplify coding/ The effect of the decoding program

Inactive Publication Date: 2011-06-01
GUANGZHOU WIDTH INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The method of assigning the encoding information of the fixed pattern above in the encoding area cannot adjust the aspect ratio of the two-dimensional barcode arbitrarily. Therefore, all the two-dimensional matrix barcodes in the world are basically square at present, and only a limited number of them are provided. Patterns of different sizes are available for users, which greatly limits the scope of application of 2D matrix barcodes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 as figure 1 Shown:

[0024] A two-dimensional true knowledge code, the two-dimensional true knowledge code is a square array composed of square modules 1, including three data information areas 12, the data area 2, the image finding pattern 3, the positioning pattern 4, the check block 5 and the blank area 6.

[0025] The image-finding graphic 4 includes an outer frame image-finding graphic 7 and a symbolic image-finding graphic 8; the outer frame image-finding graphic 7 is a dark outer frame with a rectangle indented in the lower left corner of the image and a width of one module 1, here is the lower left corner , {can also be other three corners}; the image finding figure 8 of the symbol is a dark "z" shape with a module width of 3*5 and 1, and the image finding figure 7 set in the outer frame is a rectangle recessed in the lower left corner of the image Inside, its outermost edge forms a square with the image-seeking figure of the outer frame;

[0026] T...

Embodiment 2

[0035] Embodiment 2: as figure 2 Shown:

[0036] The difference from Embodiment 1 is that: 1), the true knowledge code is composed of 20 modules 1; 2), the image-seeking figure 7 of the outer frame is a dark color with a square indented in the lower right corner of the image and a width of 1 module 1 The outer frame; the symbol image-finding graphic 8 is a dark "I" font (also can be o, a, etc., or other symbols) with a width of 1 of 5*5 modules, and the image-finding graphic 7 arranged in the outer frame is an image In the recessed square in the lower left corner, its outermost edge forms a square with the image-seeking figure of the outer frame; 3), the check block 5 is arranged at the specified position of the coded information area in the lower left corner of the standard image, here are 2 juxtaposed The dark color is a module, and it can also be defined as two light color modules, or 1 dark and 1 light 2 modules.

[0037] This two-dimensional true knowledge code, becaus...

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Abstract

The invention discloses a two-dimensional bar code. The two-dimensional bar code is characterized in that: the two-dimensional bar code is a square array formed by square modules and comprises a data area of three encoding information areas and a functional area including a view finding pattern, a positioning pattern, a validation block and a blank area. The two-dimensional bar code can not only optimally meet the special requirements of an error correction coding algorithm on the arrangement of the matrix code encoding information in an encoding area, but also embody special character symbols with certain meaning on the appearance of symbols; moreover, the two-dimensional bar code realizes the continuous setting of a two-dimensional matrix code on the size dimension of the appearance, and has a certain degree of capacity of resisting frame fouling and a wide application scope.

Description

technical field [0001] The invention relates to the technical field of two-dimensional codes, in particular to a two-dimensional truth code with adjustable dimensions and capable of displaying text symbols with certain meanings to meet the needs of different occasions. Background technique [0002] Two-dimensional code (2-dimensional bar code) records data symbol information by using a specific geometric figure distributed in a plane (two-dimensional direction) according to certain rules; The concept of "0" and "1" bit streams based on the internal logic uses several geometric shapes corresponding to binary to represent text and numerical information, which can be automatically read by image input equipment or photoelectric scanning equipment to realize automatic processing of information. At the same time, it has the function of automatically identifying different rows and processing image rotation changes. Two-dimensional barcodes can express information in both horizonta...

Claims

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Application Information

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IPC IPC(8): G06K19/06
Inventor 吴秋蓉陈建刚黄晟琳陈水清代青平
Owner GUANGZHOU WIDTH INFORMATION TECH
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