CN103198345A - Method of preventing copy of two-dimension code and two-dimension printer - Google Patents
Method of preventing copy of two-dimension code and two-dimension printer Download PDFInfo
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- CN103198345A CN103198345A CN2013101123358A CN201310112335A CN103198345A CN 103198345 A CN103198345 A CN 103198345A CN 2013101123358 A CN2013101123358 A CN 2013101123358A CN 201310112335 A CN201310112335 A CN 201310112335A CN 103198345 A CN103198345 A CN 103198345A
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Abstract
The invention relates to a method of preventing copy of a two-dimension code and a two-dimension printer. The method of preventing the copy of the two-dimension code includes the following steps of generating an original two-dimension code; generating a gray level distinguishing coverage layer; overlaying the original two-dimension code and the gray level distinguishing coverage layer; and printing the overlaid two-dimension code. The method of preventing the copy of the two-dimension code and the two-dimension printer increases the copy difficulty of the two-dimension code so as to improve the security.
Description
Technical field
The present invention relates to planar bar code technology, more particularly, relate to the anti-copy method two-dimension code printer of a kind of two-dimension code.
Background technology
Two-dimension code, claim two-dimensional bar code again, as shown in Figure 1, the chequered with black and white graphic recording data symbol information that (on the two-dimensional directional) distributes on the plane according to certain rules with certain specific geometric figure, on coding, utilize " 0 ", the concept of " 1 " bit stream that constitutes the computer-internal logical foundations dexterously, use several geometrical bodies corresponding with scale-of-two to represent the literal numerical information, handle automatically with realization information by image input device or photoelectric scanning device automatically identifying and reading.Now two-dimension code also is applied in financial fields such as bill, invoice, check, can make easily on the corresponding bill and carries a large amount of information by being printed on two-dimension code on bill, invoice, the check, makes things convenient for and reads fast.
Because two-dimension code has stronger error correcting capability, mistake printing does not to a certain degree influence reading of two-dimension code, yet this point can cause the security of bill on the contrary and reduce: because two-dimension code is through after duplicating, even exist certain deviation also can read, and light whether also be difficult to differentiate with naked eyes be the two-dimension code that duplicates.
Summary of the invention
Whether the objective of the invention is to, duplicate easily at the existing two-dimensional sign indicating number, being difficult to differentiate from naked eyes is the defective of the two-dimension code that duplicates, and the method that a kind of two-dimension code that can prevent from duplicating prints and the printer of printing this two-dimension code are provided.
Solution of the above problems of the present invention is, provides a kind of two-dimension code to prevent copy method, may further comprise the steps:
Generate the original two dimensional sign indicating number;
Generate gray area component layer;
Original two dimensional sign indicating number and gray area component layer are superposeed;
Print the two-dimension code after superposeing.
Two-dimension code of the present invention is prevented copy method, and wherein the gray area component layer of Sheng Chenging is bar-shaped zone.
Two-dimension code of the present invention is prevented copy method, and wherein the gray area component layer of Sheng Chenging is the tessellate zone.
Two-dimension code of the present invention is prevented copy method, and the method for printing two-dimension code is ink-jet printing process.
Two-dimension code of the present invention is prevented copy method, prints gray scale and comprises three kinds of whites, grey, black.
Two-dimension code of the present invention is prevented copy method, and to white portion, it is 0 that the ink-jet of each pixel is counted; To gray area, it is 1 that the ink-jet of each pixel is counted; To black region, it is 3 that the ink-jet of each pixel is counted.
The present invention also provides a kind of two-dimension code printer, comprising:
Be used for generating the two-dimensional code generation module of original two dimensional sign indicating number;
Be used for generating the gray-scale map layer generation module of gray area component layer;
Because the stacked module that adds of figure that original two dimensional sign indicating number and gray area component layer are superposeed;
Be used for printing the stacked print module that adds the two-dimension code of module generation of described figure;
Described two-dimensional code generation module, gray-scale map layer generation module are connected with the stacked module that adds of figure respectively, scheme the stacked module that adds and also are connected with print module.
Two-dimension code printer of the present invention, the gray area component layer that described gray-scale map layer generation module generates is bar shaped or tessellate.
Two-dimension code printer of the present invention, described print module are ink jet-print head.
Two-dimension code printer of the present invention, described gray-scale map layer generation module generates the printing gray scale of white, grey and black; Described print module is to white portion, and it is 0 that the ink-jet of each pixel is counted; To gray area, it is 1 that the ink-jet of each pixel is counted; To black region, it is 3 that the ink-jet of each pixel is counted.
Implement the anti-copy method of two-dimension code of the present invention, be superimposed with gray area component layer at common two-dimension code, make to make two-dimension code lose half-tone information under the general duplicating mode, thereby improved the duplicating difficulty of two-dimension code.Can also be superimposed with coded message by different gray features in addition, thereby improve the safety anti-fake of two-dimension code.
Description of drawings
The present invention will be described below in conjunction with accompanying drawing, wherein:
Fig. 1 is normal two-dimension code synoptic diagram;
Fig. 2 is for having bar shaped gray-scale map layer synoptic diagram;
Fig. 3 is the two-dimension code of bar shaped gray-scale map layer of having superposeed;
Fig. 4 is for having checkerboard gray-scale map layer synoptic diagram;
Fig. 5 is the two-dimension code of checkerboard gray-scale map layer of having superposeed;
Fig. 6 is two-dimension code printer logic functional diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The existing two-dimensional sign indicating number is copied easily, copys among Fig. 1 in order to overcome, the problem that the bill that causes printing is copied easily, and the present invention is at existing two-dimensional sign indicating number stack gray-scale map layer: two-dimension code is carried out different gray level printing in different zones.
Print anti-duplicating two-dimension code of the present invention, at first will determine original two dimensional sign indicating number that need to print, the two-dimension code of Fig. 1 for example, this " original " two-dimension code only comprises graphical information, and this figure is made up of the black graphics of white background.
After this determine the printing gray scale of all print areas, generate gray area component layer, in a preferred embodiment, introduce the gray area component layer of bar shaped, as shown in Figure 2.This figure layer is divided into the parallel zone of 3 bar shapeds, and two zone definitions are gray area up and down, and zone line is defined as black region.
Next the image with Fig. 1 and Fig. 2 superposes: white portion images all among Fig. 1 is not replaced, kept original white; For the black graphics among Fig. 1, replace according to this figure correspondence position in Fig. 2, the black graphics correspondence among Fig. 1 is replaced to grey or black among Fig. 2; Finally obtain Fig. 3 stack the two-dimension code of half-tone information.
In an other preferred embodiment, introduce the gray-scale map layer of checkerboard, as shown in Figure 4.The gray-scale map layer of Fig. 4 is 4 * 4 chessboard shape figure, alternately is set at grey and black.
Fig. 1 and Fig. 4 are superposeed, and the mode of stack is similar to the mode among the last embodiment: white portion images all among Fig. 1 is not replaced, kept original white; For the black graphics among Fig. 1, replace according to this figure correspondence position in Fig. 4, the black graphics correspondence among Fig. 1 is replaced to grey or black among Fig. 4; Finally obtain Fig. 5 stack the two-dimension code of half-tone information.
For the two-dimension code of Fig. 3, Fig. 5, if use common duplicating mode, will obtain the two-dimension code of Fig. 1, because losing of gray-scale map layer information can find out whether be the two-dimension code that duplicates by naked eyes very easily.On the other hand, by overlapped information in the gray-scale map layer of Fig. 2, Fig. 4, can additionally increase the information encrypted degree.
Need to prove that Fig. 2, Fig. 4 be the pattern in 2 D code for being used for illustrating only, thereby the gray-scale map layer of the various figures that can superpose according to the needs of reality obtains different two-dimension codes.For example user-defined pattern, have pattern of house mark pattern etc.
When reality was printed this two-dimension code, can be by the ink-jet realization of counting of control ink-jet printer: for the two-dimension code of Fig. 3, Fig. 5, in each pixel of white portion, counting of ink-jet be 0; For each pixel of gray area, counting of ink-jet is 1; For each pixel of black region, counting of ink-jet is 3, and namely each pixel repeats ink-jet 3 times.It will be appreciated that, in the present embodiment, the white portion ink-jet count be 0, grey 1, counting of black 3 only be a kind of preferred version, these concrete ink-jets are counted and can be carried out adaptive adjustment at different printing situation (precision of the diameter of nozzle, ink ejection amount, identification etc.): for example white 0, grey 2, black 4 etc.
Be illustrated in figure 6 as two-dimension code printer of the present invention, this printer comprises two-dimensional code generation module, gray-scale map layer generation module, stacked module and the print module of adding of figure; Wherein scheme the stacked module that adds and be connected with two-dimensional code generation module, gray-scale map layer generation module respectively, scheme the stacked module that adds and also be connected with print module.The course of work of whole printer is as follows:
At first generate general two-dimension code by two-dimensional code generation module, as shown in Figure 1.Gray-scale map layer generation module generates a gray area component layer that is used for stack simultaneously, for example bar shaped gray-scale map layer shown in Figure 2 or pattern gray-scale map layer shown in Figure 4.
Scheme the stacked module that adds then original two dimensional sign indicating number and gray area component layer are superposeed, concrete additive process is: white portion images all in the original two dimensional sign indicating number is not replaced, kept original white; For the black graphics in the original two dimensional sign indicating number, replace according to the position of this figure correspondence in gray area component layer, the black graphics correspondence in the original two dimensional sign indicating number is replaced to grey or black in the gray area component layer; The two-dimension code of half-tone information, for example Fig. 3, Fig. 5 finally obtain having superposeed.
Printed by the two-dimension code of print module to the half-tone information that superposeed at last.
One preferred embodiment in, print module is ink jet-print head, by control the ink-jet number of times of pixel is realized the printing effect of white, grey and black.For the zone of white, ink jet-print head does not carry out ink-jet, and it is 0 that ink-jet is counted; For the zone of grey, only ink-jet 1 time of ink jet-print head; For the zone of black, ink jet-print head is to each print point duplicate printing 3 times.Because the difference of printing of counting, on macroscopic view, the field color of only printing 1 time is more shallow, and it is darker to print 3 times field color, therefore presents different printing effects.
It below only is the specific embodiment of the invention, can not limit scope of the present invention with this, the equalization that those skilled in the art in the art do according to this creation changes, and the change known of those skilled in that art, all should still belong to the scope that the present invention is contained.
Claims (10)
1. the anti-copy method of two-dimension code is characterized in that, may further comprise the steps:
Generate the original two dimensional sign indicating number;
Generate gray area component layer;
Original two dimensional sign indicating number and gray area component layer are superposeed;
Print the two-dimension code after superposeing.
2. the anti-copy method of two-dimension code according to claim 1 is characterized in that wherein the gray area component layer of Sheng Chenging is bar-shaped zone.
3. the anti-copy method of two-dimension code according to claim 1 is characterized in that wherein the gray area component layer of Sheng Chenging is the tessellate zone.
4. the anti-copy method of two-dimension code according to claim 1 is characterized in that the method for printing two-dimension code is ink-jet printing process.
5. the anti-copy method of two-dimension code according to claim 4 is characterized in that, prints gray scale and comprises three kinds of whites, grey, black.
6. the anti-copy method of two-dimension code according to claim 5 is characterized in that to white portion, it is 0 that the ink-jet of each pixel is counted; To gray area, it is 1 that the ink-jet of each pixel is counted; To black region, it is 3 that the ink-jet of each pixel is counted.
7. a two-dimension code printer is characterized in that, comprising:
Be used for generating the two-dimensional code generation module of original two dimensional sign indicating number;
Be used for generating the gray-scale map layer generation module of gray area component layer;
Be used for the stacked module that adds of figure that original two dimensional sign indicating number and gray area component layer are superposeed;
Be used for printing the stacked print module that adds the two-dimension code of module generation of described figure;
Described two-dimensional code generation module, gray-scale map layer generation module are connected with the stacked module that adds of figure respectively, scheme the stacked module that adds and also are connected with print module.
8. two-dimension code printer according to claim 7 is characterized in that, the gray area component layer that described gray-scale map layer generation module generates is bar shaped or tessellate.
9. two-dimension code printer according to claim 7 is characterized in that, described print module is ink jet-print head.
10. two-dimension code printer according to claim 9 is characterized in that, described gray-scale map layer generation module generates the printing gray scale of white, grey and black; Described print module is to white portion, and it is 0 that the ink-jet of each pixel is counted; To gray area, it is 1 that the ink-jet of each pixel is counted; To black region, it is 3 that the ink-jet of each pixel is counted.
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Cited By (10)
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| CN104715275A (en) * | 2015-04-02 | 2015-06-17 | 矽照光电（厦门）有限公司 | Generating method and generating device for grey two-dimensional code |
| CN104850883A (en) * | 2015-06-12 | 2015-08-19 | 矽照光电（厦门）有限公司 | Method for generating multi-gray-scale invisible two-dimensional code |
| CN104850882A (en) * | 2015-06-12 | 2015-08-19 | 矽照光电（厦门）有限公司 | Device for generating multi-gray-scale invisible two-dimensional code |
| CN105069393A (en) * | 2015-09-09 | 2015-11-18 | 杭州甄别网络科技有限公司 | Two-dimensional code malicious reading-preventing method and device |
| CN105654162A (en) * | 2014-11-26 | 2016-06-08 | 未来电视有限公司 | Generation method and apparatus for color two-dimensional code |
| CN106372698A (en) * | 2015-07-24 | 2017-02-01 | 上海高研明鉴信息技术有限公司 | Multidimensional anti-counterfeiting label and anti-counterfeiting verification method thereof |
| CN106515260A (en) * | 2016-12-23 | 2017-03-22 | 中机车辆技术服务中心 | Anti-copying file |
| CN106915080A (en) * | 2017-01-21 | 2017-07-04 | 六安宏伟芯片印章制造有限公司 | A kind of Quick Response Code chip seal and its application method |
| CN107862363A (en) * | 2017-11-01 | 2018-03-30 | 厦门物之联智能科技有限公司 | The method and apparatus that anti-copying processing is carried out to Quick Response Code |
| CN109583536A (en) * | 2018-11-29 | 2019-04-05 | 大连中盈信息技术有限公司 | The printer of the method for two-dimension code label and its method for anti-counterfeit and verifying circulation commodity true and false, image in 2 D code |
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| CN104850883A (en) * | 2015-06-12 | 2015-08-19 | 矽照光电（厦门）有限公司 | Method for generating multi-gray-scale invisible two-dimensional code |
| CN104850882A (en) * | 2015-06-12 | 2015-08-19 | 矽照光电（厦门）有限公司 | Device for generating multi-gray-scale invisible two-dimensional code |
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| CN106372698A (en) * | 2015-07-24 | 2017-02-01 | 上海高研明鉴信息技术有限公司 | Multidimensional anti-counterfeiting label and anti-counterfeiting verification method thereof |
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| CN105069393B (en) * | 2015-09-09 | 2017-10-10 | 杭州甄别网络科技有限公司 | The anti-malice read method of Quick Response Code and device |
| CN106515260A (en) * | 2016-12-23 | 2017-03-22 | 中机车辆技术服务中心 | Anti-copying file |
| CN106915080A (en) * | 2017-01-21 | 2017-07-04 | 六安宏伟芯片印章制造有限公司 | A kind of Quick Response Code chip seal and its application method |
| CN107862363A (en) * | 2017-11-01 | 2018-03-30 | 厦门物之联智能科技有限公司 | The method and apparatus that anti-copying processing is carried out to Quick Response Code |
| CN109583536A (en) * | 2018-11-29 | 2019-04-05 | 大连中盈信息技术有限公司 | The printer of the method for two-dimension code label and its method for anti-counterfeit and verifying circulation commodity true and false, image in 2 D code |
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Application publication date: 20130710 |