CN101739891B - Self-certification information-containing anti-counterfeiting product and anti-counterfeiting method thereof - Google Patents
Self-certification information-containing anti-counterfeiting product and anti-counterfeiting method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 claims description 78
- 239000000463 material Substances 0.000 claims description 37
- 238000009826 distribution Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000012876 carrier material Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 230000002596 correlated effect Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 15
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- 238000012986 modification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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Abstract
The invention relates to a self-certification information-containing anti-counterfeiting product and an anti-counterfeiting method thereof. The product and the method are characterized in that: an information carrier is provided with at least two or three areas; the conditions of the two areas are that one area is a characteristic information area, the total area or part of area is a self-certification information area, and the other area is a positioning mark area; the conditions of the three areas are that one area is the characteristic information area, the total area or part of area is one part of the self-certification information area, a second area is the other part of the self-certification information area, and a third area is the positioning mark area; an image acquisition instrument reads characteristic information on the anti-counterfeiting product when needing to identify; the characteristic information is converted into conversion information according to a rule; the conversion information is assumed to be stamped or printed on the blank self-certification information area to acquire a virtual valid information pattern; and a valid information pattern of the self-certification information area is judged whether to be contained in the virtual valid information pattern in a manual or automatic mode, if so, the product is real, and otherwise, the product is a counterfeit. The product and the method have the advantages that: the method can conveniently and accurately identify; the product cannot be effectively copied by fake makers, has low cost, and can be produced in batches; and the product and the method are suitable for various fields.
Description
Technical field:
The present invention relates to the truth identification technology of commodity, is a kind of anti-fake product for the recognition value true and false and method.
Background technology:
Fake and forged commodity is second largest public hazards except drugs in the world.In order to hit personation, various anti-counterfeiting technology products have been developed in countries in the world, as: anti-forge paper, anti-forgery ink, specialty printing, antiforge laser holographic, the network information is false proof, Antiforge microelectronic chip etc., above-mentioned all anti-counterfeiting technologies have all been brought into play certain anti-fake effect in different periods, but As time goes on, the progress of technology and diffusion, also expose some places not fully up to expectations, the subject matter that is summed up existence is: easily copy, difficult discriminating or request for utilization are high, cost is large etc., reducing in varying degrees false proof performance and effect, what have self has also become by counterfeit object, fail to realize the due antifalse effect of cracking down on counterfeit goods.
Summary of the invention
The method for anti-counterfeit that contains self-authentication information, it is characterized in that: select or manufacture a kind of contain thread, strip, block, clastic or granular material are called for short the material of random substances as information carrier, on information carrier, print or printing reference mark abbreviation telltale mark, specifying according to this telltale mark the zone of containing random substances is the characteristic information district, the unique characteristic information that obtains the characteristic information district with the recognition of image acquisition instrument is called for short characteristic information: it is thread that in characteristic information district information carrier or surface is contained, strip, block, the information from objective pattern of clastic or graininess random substances, distribution characteristics information, characteristic information or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material, converting characteristic information to another kind of information by rule is transitional information, this transitional information Print All or be printed onto the self-authentication information district, be formed with the effective information pattern in this zone, it is self-authentication information that this effective information pattern obtains the effective information pattern-information by the recognition of image acquisition instrument, the regional extent in self-authentication information district is: all be included in the characteristic information district or part in the characteristic information district, outside another part characteristic information district, the expression way of transitional information adopts the expression form of bar code, number, figure or word, or the combination of above-mentioned expression form, the self-authentication information district with printing ink or the ink effect of the effective information patterns in characteristic information area overlapping district is: the characteristic information obtained by the characteristic information district when with this printing ink or ink, obtaining the characteristic information in characteristic information district and mean overlay region effective information pattern in overlay region after overlay region means overlay region effective information pattern is identical, when needs are differentiated, read the characteristic information on anti-fake product with the image acquisition instrument, characteristic information is converted to transitional information by rule, suppose transitional information is obtained to virtual effective information pattern through printing or being printed onto blank self-authentication information district, judge by artificial or automatic mode whether the effective information pattern in self-authentication information district is included in virtual effective information pattern again, if comprise be true, otherwise be false.
The position at place, self-authentication information district is: above-mentioned certain position of containing random substances itself; Or partly being illustrated in above-mentioned containing on random substances, part is illustrated on other carrier material.
When self-authentication information partly being illustrated on random substances, part is while being illustrated on other carrier material, above-mentioned bi-material in conjunction with or be separated from each other, jointly form an anti-fake product with correlated characteristic.
The image acquisition instrument that reads the characteristic information that records on anti-fake product and self-authentication information comprises camera mobile phone, PDA or PDA mobile phone with camera function, the POS identification terminal that can obtain image, the camera identification terminal that can obtain image, scanner identification terminal and the identification terminal that can obtain image be connected with computing machine.
Anti-fake product based on self-authentication information, it is characterized in that: on information carrier, have two or three zones at least, have the situation in two zones to be: a zone is characteristic information district (702), the all or part of of this zone is again self-authentication information district (703), and another zone is telltale mark district (704), have trizonal situation to be: a zone is characteristic information district (802), the part that is all or part of the self-authentication information district (803) in this zone, the other part (805) that second area is the self-authentication information district, the 3rd zone is telltale mark district (804), contain the unique characteristic information that can distinguish by the image acquisition instrument and be called for short characteristic information in the characteristic information district, self-authentication information is contained in the self-authentication information district, and self-authentication information is that characteristic information converts transitional information to through printing or be printed onto the information that the self-authentication information district is formed with the effective information pattern by rule, the self-authentication information district with printing ink or the ink effect of the effective information patterns of characteristic information area overlapping district (abbreviation overlay region) is: the characteristic information obtained by the characteristic information district when with this printing ink or ink, obtaining the characteristic information in characteristic information district and mean overlay region effective information pattern in overlay region after overlay region means overlay region effective information pattern is identical, the reference mark that characteristic information district characteristic information is contained in the telltale mark district is called for short telltale mark, the unique characteristic information that can distinguish by the image acquisition instrument is: it is thread that in characteristic information district information carrier or surface is contained, strip, block, the information from objective pattern of clastic or graininess random substances (abbreviation random substances), distribution characteristics information, characteristic information or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material.
The effective information pattern refers to that pattern removal that the self-authentication information district forms and random substances, nonrandom material, telltale mark intersection are printed or be printed onto to transitional information and the information pattern that obtains.
Except relevant aforementioned characteristic information, also record relevant enterprise, product or packing material information in transinformation content simultaneously.
Technique effect of the present invention is: novel in design, consumer and the person of cracking down on counterfeit goods can differentiate easily and accurately and the fake producer can't effectively copy and cost is lower, can manufacture in large quantity, are applicable to every field.Due in characteristic information district information carrier or the surface contain thread, strip, block, the information from objective pattern of clastic or graininess random substances (abbreviation random substances), distribution characteristics information, the characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information are random, random, thereby be that artificial being difficult to reproduced, be that such information characteristics is unique, be difficult to copy, simultaneously, can easily convert above-mentioned information to another kind of information by modern information technologies, and can accurately repeat or change, therefore, the combination of above-mentioned two kinds of information be one to one, is also unique, because the conversion regime of information can be accomplished to hold in close confidence and can't decode, therefore, the anti-fake product of manufacturing with aforesaid way, the fake producer can't copy and reproduce, and consumer or officer cracking down on fake goods can differentiate its true and false easily and exactly by the image acquisition instrument, bring into play the good anti-fake effect of cracking down on counterfeit goods.This method for anti-counterfeit need not the database support, has avoided the undue dependence of other method for anti-counterfeit to network.
The accompanying drawing explanation:
Fig. 1 is the random substances distribution schematic diagram.
Fig. 2 is a kind of random substances and nonrandom material distribution schematic diagram.
Fig. 3 is another kind of random substances and nonrandom material distribution schematic diagram.
Fig. 4 is another random substances and nonrandom material distribution schematic diagram.
Fig. 5 is effective information pattern schematic diagram in the self-authentication information district.
Fig. 6 is effective information pattern schematic diagram in the self-authentication information district.
The anti-fake product schematic diagram that contains self-authentication information that Fig. 7 is two zones.
Fig. 8 is the trizonal anti-fake product schematic diagram that contains self-authentication information.
The schematic diagram that Fig. 9 is telltale mark characteristic information district on information carrier.
The schematic diagram that Figure 10 is telltale mark characteristic information district outside information carrier.
Figure 11 covers schematic diagram for obtaining the effective information pattern.
Figure 12 is the anti-fake product schematic diagram that anti-fake product of the present invention and other anti-fake products are combined into.
Mean that characteristic information of the present invention is:
Information from objective pattern, distribution characteristics information, the color characteristic information of thread, strip, bulk, clastic or graininess random substances that one, in characteristic information district information carrier or surface is contained.As the shape facility information of thread, strip, bulk, clastic or the graininess random substances of Fig. 1, the bar material geometric configuration such as 101, center of gravity, barycenter, slope, flex point, the trend from a to b etc.; As the distribution characteristics information of thread, strip, bulk, clastic or the graininess random substances of Fig. 1, reflection be distribution situation (as statistical nature information), the global feature information of thread, strip, bulk, clastic or granular substance material; That color characteristic refers to is thread, strip, bulk, clastic or graininess random substances color distribution information.The perhaps combination in any characteristic information of above characteristic information.
Two, the area that the characteristic information formed between random substances refers to is thread, form between strip, bulk, clastic or graininess random substances, center, center of gravity, barycenter, distance between points etc.As Figure 104 and 106 centre distances, the area of the abdc that bar 101,102 forms, the interior angle of triangle bed, the characteristic informations such as distance between bd.As Fig. 1 101 on 102 the left side how many distances, 103 position etc. that takes on 102.
Three, the characteristic information formed between random substances and nonrandom material.As Fig. 2 on information carrier with printer print, press printing forms and cuts apart rectangle, so random substances cut apart the intersection point of rectangular lines with these, in these rectangles random substances distribute, the position of bar end points in rectangle, cut apart rectangle in the characteristic informations such as quantity of bulk, clastic or granular substance material.As Fig. 3 is at characteristic information district trace, the relativeness that these curves and random substances form is also to belong to this kind of feature.
Four, the characteristic information of random substances and the combination of nonrandom material.As the feature of Fig. 4 random substances as above-mentioned one, two, three feature, the feature of nonrandom material is the feature that can copy, as 411,412, above-mentioned one, two, three all or part of and nonrandom material can copy feature all or part of addition obtain this feature.
Five, all or part of zone map information in the characteristic information district of containing random substances, using the pattern mode of dot matrix and process as characteristic information in all or part of zone, characteristic information district that is about to contain random substances.Fig. 5 is effective information pattern schematic diagram in the self-authentication information district, 503,504,505 is random substances, 502,506 is the effective information pattern, and the part of effective information pattern is as 506 in the characteristic information district, and another part 502 is outside the characteristic information district.Fig. 6 is effective information pattern schematic diagram in the self-authentication information district, 603,604,605,606,607 is random substances, 609 are 603,607 regional area pattern converts transitional information to through printing or be printed onto the schematic diagram that the self-authentication information district is formed with the effective information pattern, the self-authentication information district here and characteristic information area overlapping by rule.Fig. 5 Fig. 6 is all or part of zone map information in characteristic information district that contains random substances as characteristic information.
Six, the combination in any of above one, two, three, four, five characteristic informations.
Above-mentioned one, two, three, four, five, six characteristic information is random, random, and above-mentioned characteristic information converts transitional information to by rule, and its transformation rule comprises to be encrypted characteristic information; Comprise according to the user and need to add relevant enterprise, product or packing material information etc.
Specifically be implemented as follows:
Select or manufacture a kind of material that contains random substances (thread, strip, bulk, clastic or graininess random substances) as information carrier, as Fig. 7 701, as 801 of Fig. 8 be information carrier.Need on information carrier, contain the random substances zone according to the user and print or be printed with nonrandom material.On information carrier, print or printing reference mark abbreviation telltale mark, as 704 of Fig. 7, as 804 of Fig. 8, telltale mark can be set in the random substances zone as 905 of Fig. 9, also can be set in outside the random substances zone as 1010 of Figure 10.Specifying according to this telltale mark the zone of containing random substances is that the characteristic information district is as 702 of Fig. 7, as 802 of Fig. 8, the unique characteristic information that obtains the characteristic information district with the recognition of image acquisition instrument is called for short characteristic information: it is thread that in characteristic information district information carrier or surface is contained, strip, block, the information from objective pattern of clastic or graininess random substances (abbreviation random substances), distribution characteristics information, characteristic information or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material, converting characteristic information to another kind of information by rule is transitional information, this transitional information Print All or be printed onto the self-authentication information district, be formed with the effective information pattern in the self-authentication information district, it is self-authentication information that this effective information pattern obtains the effective information pattern-information by the recognition of image acquisition instrument, the regional extent in self-authentication information district is: all be included in the characteristic information district or part in the characteristic information district, outside another part characteristic information district, as 703 of Fig. 7 all is included in characteristic information district 702 for the self-authentication information district, as Fig. 8 is that self-authentication information district part is included in the characteristic information district as 803 of Fig. 8, another part is included in outside the characteristic information district as 805 of Fig. 8, the expression way of transitional information adopts the expression form of bar code, number, word, figure, or the combination of above-mentioned expression form, the self-authentication information district with printing ink or the ink effect of the effective information patterns in characteristic information area overlapping district is: the characteristic information obtained by the characteristic information district when with this printing ink or ink, obtaining the characteristic information in characteristic information district and in overlay region, mean the effective information pattern after overlay region means overlay region effective information pattern is identical, be that transitional information printing or the pattern that is printed onto the overlay region of self-authentication information district and characteristic information do not form random substances, nonrandom material, specifically labelled actual blocking, as 1103 of Figure 11, 1104, might as well suppose random substances, nonrandom material, specifically labelled color is black, might as well be made as 1102 of Figure 11, print overlay region or the printing ink of printing transitional information is made as yellow, might as well be made as 1101 of Figure 11, because yellow can't cover black, and after printing or the upper yellow of printing, black border is still very clear as 1104 of Figure 11.Therefore after printing or printing transitional information, the black region of characteristic information district representation feature information does not change, therefore printing or printing transitional information before and after the characteristic information district, the black region of the representation feature information collected by the image acquisition instrument does not change.The characteristic information that obtains the characteristic information district to all or part of transitional information while therefore with this printing ink or ink, all or part of transitional information being meaned to obtain the characteristic information in characteristic information district and do not mean to the characteristic information district behind the characteristic information district is identical, when needs are differentiated, read the characteristic information on anti-fake product with the image acquisition instrument, characteristic information is converted to transitional information by rule, suppose transitional information is obtained to virtual effective information pattern through printing or being printed onto blank self-authentication information district, might as well take as Figure 11 be example, suppose that 1101 is that transitional information is through printing or be printed onto the virtual effective information pattern in blank self-authentication information district, judge by artificial or automatic mode whether the effective information pattern in self-authentication information district is included in virtual effective information pattern 1101 as 1103 of Figure 11 again, if comprise be true, otherwise be false.
This anti-fake product also comprises form composite anti-fake product situation together with other anti-fake product.As 1201 of Figure 12 be anti-fake product of the present invention, as Figure 12 1202 for other forms of anti-fake product.
The information carrier that this anti-fake product is used comprises that paper, plastics and other can be therein or can the adulterate material of thread, strip, bulk, clastic or graininess random substances of surface, and the paper of employing comprises waterproof and non-watertight situation.The product form of this anti-fake product comprises adhesive sticker antifalsification label form; This anti-fake product is also included within the situation of surface coverage upper caldding layer, and overlayer can be transparent, translucent or opaque.Covering layer material comprises plastics.Include the situation of other patterns on overlayer, the anti-fake product formed like this verifies when false proof that must remove overlayer could differentiate anti-fake product.
The present invention is not limited to described specific embodiment, in the situation that do not exceed the desired inventive concept of claim scope, personnel for having the ABC in field under the present invention, can implement a lot of modification, and these modification should belong in the claims in the present invention scope.
Claims (7)
1. the method for anti-counterfeit that contains self-authentication information, it is characterized in that: select or manufacture a kind of contain thread, strip, block, clastic or granular material are called for short the material of random substances as information carrier, on information carrier, print or printing reference mark abbreviation telltale mark, specifying according to this telltale mark the zone of containing random substances is the characteristic information district, the unique characteristic information that obtains the characteristic information district with the recognition of image acquisition instrument is called for short characteristic information: it is thread that in characteristic information district information carrier or surface is contained, strip, block, the information from objective pattern of clastic or graininess random substances, distribution characteristics information, characteristic information or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material, converting characteristic information to another kind of information by rule is transitional information, this transitional information Print All or be printed onto the self-authentication information district, be formed with the effective information pattern in this zone, it is self-authentication information that this effective information pattern obtains the effective information pattern-information by the recognition of image acquisition instrument, the regional extent in self-authentication information district is: all be included in the characteristic information district or part in the characteristic information district, outside another part characteristic information district, the expression way of transitional information adopts the expression form of bar code, number, figure or word, or the combination of above-mentioned expression form, the self-authentication information district with printing ink or the ink effect of the effective information patterns in characteristic information area overlapping district is: the characteristic information obtained by the characteristic information district when with this printing ink or ink, obtaining the characteristic information in characteristic information district and mean overlay region effective information pattern in overlay region after overlay region means overlay region effective information pattern is identical, when needs are differentiated, read the characteristic information on anti-fake product with the image acquisition instrument, characteristic information is converted to transitional information by rule, suppose transitional information is obtained to virtual effective information pattern through printing or being printed onto blank self-authentication information district, judge by artificial or automatic mode whether the effective information pattern in self-authentication information district is included in virtual effective information pattern again, if comprise be true, otherwise be false.
2. the method for anti-counterfeit that contains self-authentication information according to claim 1, it is characterized in that: the position at place, self-authentication information district is: above-mentioned certain position of containing random substances itself; Or partly being illustrated in above-mentioned containing on random substances, part is illustrated on other carrier material.
3. the method for anti-counterfeit that contains self-authentication information according to claim 2, it is characterized in that: when self-authentication information district part being illustrated on random substances, part is while being illustrated on other carrier material, above-mentioned bi-material in conjunction with or be separated from each other, jointly form an anti-fake product with correlated characteristic.
4. according to claim 1, the 2 or 3 described method for anti-counterfeit that contain self-authentication information, feature is: the image acquisition instrument that reads the characteristic information that records on anti-fake product and self-authentication information comprises camera mobile phone, PDA or PDA mobile phone with camera function, the POS identification terminal that can obtain image, the camera identification terminal that can obtain image, scanner identification terminal and the identification terminal that can obtain image be connected with computing machine.
5. the anti-fake product based on claim 1, it is characterized in that: on information carrier, have two or three zones at least, have the situation in two zones to be: a zone is characteristic information district (702), the all or part of of this zone is again self-authentication information district (703), and another zone is telltale mark district (704), have trizonal situation to be: a zone is characteristic information district (802), the part that is all or part of the self-authentication information district (803) in this zone, the other part (805) that second area is the self-authentication information district, the 3rd zone is telltale mark district (804), contain the unique characteristic information that can distinguish by the image acquisition instrument and be called for short characteristic information in the characteristic information district, self-authentication information is contained in the self-authentication information district, and self-authentication information is that characteristic information converts transitional information to through printing or be printed onto the information that the self-authentication information district is formed with the effective information pattern by rule, the self-authentication information district with printing ink or the ink effect of the effective information patterns of characteristic information area overlapping district (abbreviation overlay region) is: the characteristic information obtained by the characteristic information district when with this printing ink or ink, obtaining the characteristic information in characteristic information district and mean overlay region effective information pattern in overlay region after overlay region means overlay region effective information pattern is identical, the reference mark that characteristic information district characteristic information is contained in the telltale mark district is called for short telltale mark, the unique characteristic information that can distinguish by the image acquisition instrument is: it is thread that in characteristic information district information carrier or surface is contained, strip, block, the information from objective pattern of clastic or graininess random substances (abbreviation random substances), distribution characteristics information, characteristic information or all or part of zone map information in characteristic information district that contains random substances or the combination in any of above characteristic information of the characteristic information formed between the characteristic information formed between color characteristic information or random substances or random substances and nonrandom material or random substances and the combination of nonrandom material.
6. the anti-fake product that contains self-authentication information according to claim 5 is characterized in that: the effective information pattern refers to that pattern removal that the self-authentication information district forms and random substances, nonrandom material, telltale mark intersection are printed or be printed onto to transitional information and the information pattern that obtains.
7. the anti-fake product that contains self-authentication information according to claim 5 is characterized in that: in transinformation content, except relevant aforementioned characteristic information, also record relevant enterprise, product or packing material information simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810153145XA CN101739891B (en) | 2008-11-19 | 2008-11-19 | Self-certification information-containing anti-counterfeiting product and anti-counterfeiting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810153145XA CN101739891B (en) | 2008-11-19 | 2008-11-19 | Self-certification information-containing anti-counterfeiting product and anti-counterfeiting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101739891A CN101739891A (en) | 2010-06-16 |
| CN101739891B true CN101739891B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810153145XA Expired - Fee Related CN101739891B (en) | 2008-11-19 | 2008-11-19 | Self-certification information-containing anti-counterfeiting product and anti-counterfeiting method thereof |
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| CN (1) | CN101739891B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081878A (en) * | 2009-11-26 | 2011-06-01 | 郑阿奇 | Anti-counterfeiting product including self-authentication information and anti-counterfeiting method |
| CN102750648A (en) * | 2011-04-19 | 2012-10-24 | 郑进 | Uniqueness online shopping method |
| CN105023505B (en) * | 2015-07-30 | 2018-06-08 | 李峰 | A kind of local grain anti-counterfeiting structure and its manufacturing method, method for anti-counterfeit |
| WO2017050736A1 (en) * | 2015-09-24 | 2017-03-30 | Sicpa Holding Sa | Re-certification of documents |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990010546A1 (en) * | 1989-03-07 | 1990-09-20 | The De La Rue Company Plc | Identification article |
| CN1291761A (en) * | 1999-12-29 | 2001-04-18 | 刘秀荣 | Antiforge and authentication label of goods |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312512A (en) * | 2001-03-17 | 2001-09-12 | 王浩然 | Anti-fake product containing self-confirming information and its application method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990010546A1 (en) * | 1989-03-07 | 1990-09-20 | The De La Rue Company Plc | Identification article |
| CN1291761A (en) * | 1999-12-29 | 2001-04-18 | 刘秀荣 | Antiforge and authentication label of goods |
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| CN101739891A (en) | 2010-06-16 |
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