CN107451644A - A kind of preparation method of anti-fake two-dimension code - Google Patents
A kind of preparation method of anti-fake two-dimension code Download PDFInfo
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- CN107451644A CN107451644A CN201710751465.4A CN201710751465A CN107451644A CN 107451644 A CN107451644 A CN 107451644A CN 201710751465 A CN201710751465 A CN 201710751465A CN 107451644 A CN107451644 A CN 107451644A
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- Prior art keywords
- code
- fake
- preparation
- dimension code
- printing
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
Abstract
The present invention relates to Quick Response Code field, and in particular to a kind of preparation method of anti-fake two-dimension code.The anti-fake two-dimension code includes telltale mark on the nested grating version of two kinds of sizes, original screen panel and the light and dark coat prepared using positioning printing technology；Grating array on original screen panel is made up of two kinds of similar triangles sections at 45 ° of inclination angles, and big triangle section forms coat bottom surface with relatively small triangle section；Coat bottom surface is filled by positioning printing technology and completes Quick Response Code drafting；During barcode scanning, when being shot using 45° angle, the coat between adjacent gratings bar is connected as a single entity, and realizes that information is read；The anti-fake two-dimension code can be caused true form boldface to separate in copying and scanning, be duplicated code information difference, and then protect true form information not to be stolen due to the isolation of front grating；When electronic capture steals code simultaneously, because 45° angle causes pattern to tilt, pattern deformation, human eye may recognize that this yard of exception after printing.
Description
Invention field
The present invention relates to Quick Response Code field, and in particular to a kind of preparation method of anti-fake two-dimension code.
Background technology
Quick Response Code is also known as QR Code, QR full name Quick Response, is one super popular on mobile device in recent years
A kind of coded system, it can deposit more information than traditional Bar Code bar codes, can also represent more data types.
Two-dimensional bar code/Quick Response Code (2-dimensional bar code) is by a set pattern with certain specific geometric figure
The chequered with black and white graphic recording data symbol information that rule is distributed in plane (on two-dimensional directional)；On coding dexterously
Using form " 0 " of computer-internal logical foundations, " 1 " bit stream concept, it is corresponding with binary system several using several
What body represents word numerical information, by image input device or photoelectric scanning device automatically identifying and reading to realize that information is automatic
Processing：It has some general character of barcode technology：Every kind of code system has its specific character set；Each character occupies certain width
Degree；With certain verifying function etc..Also there is the information automatic identification function to not going together and processing figure rotation to become simultaneously
Change point.
Although Quick Response Code can carry more information, it is easily replicated and imitated with traditional bar code similarly
Make so that the means that numerous brands are used for product identification fail.Therefore many counterfeit protection measures are generated in Quick Response Code field, such as
Many means such as invisible two-dimensional codes (infrared, fluorescence), grating Quick Response Code (refraction forms pattern).But such means still easy quilt
Replicate and copy, invisible two-dimensional codes will certainly show in scanning with forming patterning leakage on capture apparatus.And grating is two-dimentional
Code can then peel off backplane pattern, be copied after duplication.Therefore the Quick Response Code that how to reach ordinary people and can not copy easily is
There is an urgent need to, while to ensure that preparation process is simple, price is suitable, and avoids the complexity of above-mentioned means.
The content of the invention
The present invention easily copys for prior art, and it is bad to substitute anti-counterfeiting technology cost height, antifalse effect
Problem, a kind of preparation method of anti-fake two-dimension code is proposed, can solve the defects of ordinary two dimensional anti-counterfeit capability blank.
The technical scheme is that：A kind of preparation method of anti-fake two-dimension code, it is characterised in that：Comprise the following steps：
1) image information according to source code, the pixel separation needed using printing code require to complete tearing open for source code image
Point；
2) the grating version of nesting two kind triangular structure gratings consistent with printing code pixel size is prepared；
3) by identifying the telltale mark in grating version, the positioning of printing code working region is completed；
4) printing device is according to the triangular ramp and channel region in printing digital content filling grating version.
Preferably, the source code needs to carry out pixel scale fractionation, after being split according to its minimum pixel, between black picture element
The white space of the pixel sizes such as increase.
1st, preferable, the pixel size has grade ratio relation with the structure in coated grating version, and its length is big by three
Angular right angle edge lengthsExtraordinarily small hypotenuse length.
Preferably, described two triangles are similar isosceles right triangle, the small a length of big triangle of leg
0-1/2 times of the shape right angle length of side.
Preferably, the original screen panel possesses telltale mark, specially the three of true form locating rectangle pattern.
It is more highly preferred to, the spacing of the telltale mark is true form locating rectangle spacingTimes.
Preferably, the step 4) does not print the locating rectangle pattern of source code in print pattern.
Preferably, printing device can use the means such as laser ablation, ink coating to carry out pattern preparation.
It is furthermore preferred that being constrained by the small similar increased raceway groove of isosceles triangle, the diffusion of ink can be avoided, causes original
The distortion of code pattern.
The beneficial effects of the present invention are：A kind of preparation method of anti-fake two-dimension code of the present invention, the Quick Response Code prepared,
It can only be formed and the amplification pattern of true form pattern always in 45° angle scope.Now scanning device moment can complete information reading,
And the pattern being filmed passes through angle tilt after printing, it is easy to which observed person notes abnormalities.Front pattern is due to sky simultaneously
The filling of white pixel so that replica code information errors, do not possess reading capability.The preparation method letter of the anti-fake two-dimension code of the present invention
Single, anti-counterfeit capability is higher, and it is obvious to prepare Quick Response Code feature, copys code and is easily identified, can provide high performance-price ratio for product
Anti-counterfeiting mark.
Brief description of the drawings
The first grating version construction profile of Fig. 1 present invention
The source code schematic diagram of Fig. 2 present invention
The anti-fake two-dimension code product front elevation of Fig. 3 present invention
Second of grating version construction profile of Fig. 4 present invention
Embodiment
The present invention is further explained below in conjunction with the drawings and specific embodiments.
Embodiment 1：A kind of preparation method of anti-fake two-dimension code of the present invention, including：
Source code (Fig. 2) is split as to print code (Fig. 3)；
Further, the fractionation of source code is the fractionation in Y-direction in schematic diagram only in one direction.The side of fractionation
Formula is that blank code 106 is inserted between the single pixel of source code；
Further, the length of blank code 106 is source code pixel 103Times, width and source code pixel wide
Identical (Fig. 1).
Prepare the grating version 101 of nesting two kind triangular structure gratings consistent with printing code pixel size；
Further, described two triangles are similar isosceles right triangle, and the right-angle side of small triangle 108 is a length of big
1/2 times of the right angle length of side of triangle 107；
Further, the original screen panel possesses telltale mark 102, and its front description is specially three locating rectangles of true form
Pattern 201,202,203 (Fig. 2).
By identifying the telltale mark 102 in grating version, the positioning of printing code working region is completed；
Further, in print pattern, the locating rectangle pattern 201,202,203 of source code is not printed；
Further, printing device can use the means such as laser ablation, ink coating to carry out pattern preparation；
Further, constrained by the small similar increased raceway groove of isosceles triangle, the diffusion of ink can be avoided, cause original
The distortion of code pattern.
Code system is printed for after the completion of, identification terminal can just lead to the blank code 106 of insertion only when 45° angle is shot
Cross optical mode elimination.And then the pixel detected can be recombinated as effective information code 104.
In the Y direction stretching of the length of effective information code compared with source code 105Times.
Example 2：This example eliminates the design of the small triangle 108 described in example 1, is easier on original screen panel is prepared：
Source code (Fig. 2) is split as to print code (Fig. 3)；
Further, the fractionation of source code is the fractionation in Y-direction in schematic diagram only in one direction.The side of fractionation
Formula is that blank code 106 is inserted between the single pixel of source code；
Further, the length of blank code 406 is identical with the length of source code 402, and width is identical with source code pixel wide
(Fig. 4).
Prepare the grating version 401 of the triangular structure grating consistent with printing code pixel size；
Further, the original screen panel possesses telltale mark 403, specially the three of true form locating rectangle pattern 201,
202、203。
By identifying the telltale mark 403 in grating version, the positioning of printing code working region is completed；
Further, in print pattern, the telltale mark 201,202,203 of source code is not printed；
Further, printing device can use the means such as laser ablation, ink coating to carry out pattern preparation.
Code system is printed for after the completion of, the blank code of insertion can just be passed through light by identification terminal only when 45° angle is shot
Mode eliminates.And then the pixel detected can be recombinated as effective information code 404.
In the Y direction stretching of the length of effective information code 404 compared with source code 405Times.
In the present invention, the grating code obtained by the insertion of blank code can effectively prevent general replicate from scanning,
Imitator needs that the means such as grating code progress software restructuring could be obtained the replication capacity of source code.But can be by source code
Increase the characteristic information of grating code so that imitator must can be only achieved high imitation using grating version, otherwise as pseudo- Quick Response Code.
Reach antiforge function.
Word the being given for example only property explanation of position relationship in above example or description accompanying drawing, it is impossible to be interpreted as special to this
The limitation of profit.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within bright spirit and principle etc., should be included in the claims in the present invention
Within protection domain.
Claims (6)
- A kind of 1. preparation method of anti-fake two-dimension code, it is characterised in that：Comprise the following steps：S1, the image information according to source code, the pixel separation needed using printing code require to complete the fractionation of source code image；The grating version of S2, preparation nesting two kind triangular structure gratings consistent with printing code pixel size；S3, by identifying the telltale mark in grating version, complete the positioning of printing code working region；S4, printing device are according to the triangular ramp and channel region in printing digital content filling grating version.
- A kind of 2. preparation method of anti-fake two-dimension code according to claim 1, it is characterised in that：The pixel of the printing code Size is big triangular right-angle edge lengthsExtraordinarily small hypotenuse length.
- A kind of 3. preparation method of anti-fake two-dimension code according to claim 1,2, it is characterised in that：Described two triangles For similar isosceles right triangle, 0-1/2 times of the small a length of big triangular right-angle length of side of leg.
- A kind of 4. preparation method of anti-fake two-dimension code according to claim 1, it is characterised in that：The original screen panel possesses fixed Position mark, specially the three of true form locating rectangle pattern.
- A kind of 5. preparation method of anti-fake two-dimension code according to claim 1,4, it is characterised in that：The telltale mark Spacing is true form locating rectangle spacingTimes.
- A kind of 6. preparation method of anti-fake two-dimension code according to claim 1, it is characterised in that：The step S4, is beating When being patterned, the locating rectangle pattern of source code is not printed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751465.4A CN107451644B (en) | 2017-08-28 | 2017-08-28 | Method for manufacturing anti-counterfeiting two-dimensional code |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751465.4A CN107451644B (en) | 2017-08-28 | 2017-08-28 | Method for manufacturing anti-counterfeiting two-dimensional code |
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| CN107451644A true CN107451644A (en) | 2017-12-08 |
| CN107451644B CN107451644B (en) | 2023-01-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661041A (en) * | 2023-07-28 | 2023-08-29 | 北京至格科技有限公司 | Grating positioning mark, preparation method and positioning method thereof |
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| CN116661041A (en) * | 2023-07-28 | 2023-08-29 | 北京至格科技有限公司 | Grating positioning mark, preparation method and positioning method thereof |
| CN116661041B (en) * | 2023-07-28 | 2023-11-10 | 北京至格科技有限公司 | Grating positioning mark preparation method |
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| CN107451644B (en) | 2023-01-24 |
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