CN101112849B - Anti-counterfeit method and anti-counterfeit system for realizing said method and device thereof - Google Patents
Anti-counterfeit method and anti-counterfeit system for realizing said method and device thereof Download PDFInfo
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- CN101112849B CN101112849B CN2007101201915A CN200710120191A CN101112849B CN 101112849 B CN101112849 B CN 101112849B CN 2007101201915 A CN2007101201915 A CN 2007101201915A CN 200710120191 A CN200710120191 A CN 200710120191A CN 101112849 B CN101112849 B CN 101112849B
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Abstract
The invention relates to an anti-counterfeiting method and an anti-counterfeiting system and device which implement the method, relating to the anti-counterfeiting technology. The invention is characterized in that an anti-counterfeiting element is provided with at least two adelomorphic anti-counterfeiting characteristics; an irradiation device is provided with an emission device which can present the at least two anti-counterfeiting characteristics; the irradiation device is provided with a conversion device which ensures the at least two anti-counterfeiting characteristics to be converted within the range recognized by human eye; therefore, when the anti-counterfeiting element is observed on the irradiation of the irradiation device, at least two alternatively periodically changed anti-counterfeiting characteristics can be seen, and the particular visible change effect is produced. The arrangement difficulty of the anti-counterfeiting characteristic of the invention is increased; myriads of changes of the combination can be carried out to the anti-counterfeiting characteristics, thus designing a plurality of visible effects and meeting the multi-requirements of arranging different anti-counterfeiting measures for different carriers and for the same carriers.
Description
Technical field:
The present invention relates to a kind of anti-counterfeiting technology, particularly a kind of visual effect that has different preventing pseudo-characteristic checker when observing security document so that by design different anti-counterfeiting characteristics obtain the anti-counterfeiting characteristic conversion visual effect method for anti-counterfeit and realize system and the device of the method.
Background technology:
Banknote, securities, invoice, well-known commodity packing etc. are in order to prevent from faking and counterfeitly all can to take various false proof measures, these article that are provided with false proof measure are referred to as secure file or security document, different false proof measures is set on security document can produces different antifalse effects, such as safety line, coloured fibre are embedded security document, these are a kind of false proof measures that just can see by instrument of not needing, and belong to a false proof measure of line; The false proof measure that can see by instrument can be sent ultraviolet light such as the security document surface conjunction has the ultra-violet light-emitting material under the irradiation of ultraviolet irradiation device.But the visual effect of above-mentioned method for anti-counterfeit is all changeless when we observe.U.S. Patent Publication No. US2005/0211914A1 discloses a kind of device that changes security feature, two groups or more false proof ultraviolet light-emitting diode or polarizer can be set on device, allow these diodes or polarizer shine respectively security document with different polarization directions, thereby make security document can produce the visual effect of takeoff-fall (flip-flop) of same color.But, the variation of this visual effect still shows very singlely, because be only identical anti-counterfeiting characteristic have or without formed jump effect, for different security documents at the different antifalse effect of needs or further when different batch files need different antifalse effects, can not distinguish by such visual effect, and must make and the polarization absorption district is set on security document could realizes such visual effect, such device is structurally very complicated, and cost is high.
Summary of the invention:
The present invention solves in existing method for anti-counterfeit visual effect without conversion or the single problem of conversion, design a kind of method for anti-counterfeit of the visual effect with anti-counterfeiting characteristic conversion newly, not only has the visual effect of anti-counterfeiting characteristic conversion when observing, and can design diversified anti-counterfeiting characteristic, produce different visual effects, to satisfy different carriers, the multiple needs that different false proof measures and identical carrier arrange different false proof measures are set.
The invention still further relates to Antiforge system and the irradiation unit of realizing the method.
technology contents of the present invention is such: a kind of method for anti-counterfeit with visual effect of anti-counterfeiting characteristic conversion, it is characterized in that arranging the anti-counterfeiting characteristic of at least two kinds of stealths on a security element, be provided with the emitter that described at least two kinds of anti-counterfeiting characteristics are presented on one irradiation unit, and described irradiation unit is provided with converting means, can make described at least two kinds of anti-counterfeiting characteristics carry out the periodicity conversion in the human eye recognizable set, thereby when observing described security element under the irradiation unit irradiation, can see periodically at least two kinds of anti-counterfeiting characteristics of checker, produce unique visual variation effects.
The described security element that has at least two kinds of concealed anti-false features can be single fiber or the security element such as printing ink or safety line with at least two kinds of light variable characteristics.
Described at least two kinds of light variable characteristics refer to that above-mentioned security element presents the characteristic of different colours feature under different ultraviolet wavelength shooting conditionss;
Described at least two kinds of light variable characteristics refer to that above-mentioned security element presents same color under different ultraviolet wavelength shooting conditionss, but under different ultraviolet wavelength conditions the different characteristic of colour brightness;
Described at least two kinds of light variable characteristics refer to that above-mentioned security element presents the characteristic of different color characteristics under different infrared wavelength shooting conditionss;
Described at least two kinds of light variable characteristics refer to that above-mentioned security element presents same color under different infrared wavelength shooting conditionss, but under different infrared wavelength shooting conditionss the different characteristic of colour brightness;
Described at least two kinds of light variable characteristics refer to that above-mentioned security element presents a kind of color characteristic under specific UV optical wavelength shooting conditions, present the characteristic of another kind of color characteristic under specific infrared light wavelength shooting conditions.
Described color characteristic refers to the feature that the distribution of the color character of color or color consists of.
Realize the Antiforge system of the method for anti-counterfeit of above-mentioned visual effect with anti-counterfeiting characteristic conversion, consisted of by the security document with described security element and the irradiation unit that arrange in the specific region; Described irradiation unit comprises emitter and converting means, described emitter irradiation can make at least two kinds of anti-counterfeiting characteristics on described security element periodically alternately present during described specific region under the control of converting means, be that security element on security document periodically alternately produces at least two kinds of discernible anti-counterfeiting characteristics of human eye, make human eye see the periodically visual effect of checker of anti-counterfeiting characteristic.
The irradiation unit that is used for above-mentioned Antiforge system: comprise emitter, converting means, projection mouth, power supply and switch, it is characterized in that described emitter is provided with two or more ultraviolet sources and/or infrared light supply, and described light source can shine on security element on security document, described ultraviolet source and/or infrared light supply are connected with power supply respectively and are connected with the converting means electricity, described converting means comprises an electronic switch, and described electronic switch is used for controlling periodic alternately connection between ultraviolet source and/or infrared light supply and power supply.
Described converting means also comprises a frequency controller, is used for controlling the switching frequency of switch.
Technique effect:
the present invention is a kind of has the method for anti-counterfeit of visual effect of anti-counterfeiting characteristic conversion owing to being provided with security element on security document, and security element has two kinds of concealed anti-false features at least, when two or more concealed anti-false features under the irradiation unit irradiation can alternately present, therefore the anti-counterfeiting characteristic that can't see under the condition of visible light, and at least two kinds of discernible anti-counterfeiting characteristics of human eye can alternately appear the irradiation of specific irradiation unit is next, on the one hand, the antifalse effect that alternately changes only has specific irradiation unit to produce, improved the counterfeit difficulty of the inventive method, on the other hand, it is two or more concealed anti-false feature due to anti-counterfeiting characteristic, therefore the difficulty that arranges of anti-counterfeiting characteristic itself increases, in addition, can carry out Protean combination to anti-counterfeiting characteristic and the irradiation unit that can present these two or more anti-counterfeiting characteristics thereof, thereby design diversified visual effect, to satisfy different carriers, the multiple needs that different false proof measures and identical carrier arrange different false proof measures are set.
Description of drawings:
Fig. 1 is that security element of the present invention is the signal of single fiber, and on the single fiber in the embedding security document, stealth is provided with two kinds of light variable characteristics.
Fig. 2 is that security element of the present invention is the signal of single fiber, and on single fiber, stealth is provided with three kinds of light variable characteristics.
Fig. 3 is that security element of the present invention is the signal of printing ink, and ink printing is on security document, and printing ink is the invisible printing ink with at least two kinds of light variable characteristics.Equally, when security element was safety line, it can stealth contain at least two kinds of light variable characteristics too.
Fig. 4 is the structural representation of an embodiment of irradiation unit of the present invention.
Fig. 5 is the structural representation of Antiforge system of the present invention.
Fig. 6 is the process chart that the melt spinning method preparation has the single fiber of two or more implicit anti-counterfeiting characteristic.
Fig. 7 is the process chart that the wet spinning process preparation has the single fiber of two or more implicit anti-counterfeiting characteristic.
Embodiment:
The present invention is described further below in conjunction with accompanying drawing:
Be distributed with some fibre on security document 1 in Fig. 1, wherein single fiber 2 contains one or both anti-fake materials, this material has (or bi-material has respectively) two kinds of concealed anti-false features simultaneously, the concealed anti-false feature 31 that point represents and the concealed anti-false feature 32 that represents with little triangle are arranged respectively in the drawings, anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32 only can be identified by the human eye under the irradiation of specific irradiation unit 5 (seeing Fig. 4,5), because these anti-counterfeiting characteristics only just can present under irradiation unit 5 irradiations, therefore be stealthy.the visual signature that the single fiber 2 at anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32 places namely presents under visible light in the irradiation without irradiation unit 5 can be monochromatic, polychrome can also be colourless, the anti-counterfeiting characteristic that just can present under irradiation unit 5 irradiations with anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32 in a word makes a marked difference, thereby make false proof measure of the present invention have very strong disguise, anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32 can be following different vision anti-counterfeiting characteristics, such as, if it is respectively the blue look luminescent material of ultraviolet excitated red luminescent material and infrared excitation that single fiber 2 has the anti-fake material of implicit anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32, be provided with specific burst of ultraviolel light source and infrared excitation light source on irradiation unit 5, and just can see that red orchid alternately is color transformed when making it alternately shine single fiber 2 with certain alternate cycle.Due to the ultra-violet light-emitting material and infrared lumious material varied, just diversified color can be set, obtain diversified color and replace variation effect.for another example, anti-fake material with anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32 can be respectively also to present respectively the material of different colours under the different wavelength range UV-irradiation, be provided with two burst of ultraviolel light sources under different wavelength range on irradiation unit 5, such as burst of ultraviolel light source of 200nm-270nm and another burst of ultraviolel light source of 330nm-380nm, just present respectively the anti-counterfeiting characteristic 31 and 32 of different colours on single fiber 2, and when two burst of ultraviolel light sources alternately shine this root single fiber 2, just can see the color characteristic that alternately changes, equally, when presenting different colours respectively under Infrared irradiation in two different wavelength range, allow these two kinds of infrared excitation light sources alternately shine, also can see two kinds of colors that alternately change.Certainly, it can also be the situation of the anti-counterfeiting characteristic that under ultraviolet light or Infrared irradiation, after colour brightness, power is different, such as, anti-fake material under ultraviolet source of 200nm-270nm and another ultraviolet source of 270nm-330nm on single fiber 2 all presents redness, but be pale red anti-counterfeiting characteristic 31 under last light source, peony anti-counterfeiting characteristic 32 under a rear light source, when two light sources alternately changed, can produce equally two kinds of same colors (redness) light and shade was the visual effect that brightness alternately changes.
It can be multiple forming two or more ultra-violet light-emitting and/or the preparation method of the different single fiber of infraluminescence anti-counterfeiting characteristic, as adopt melt spinning method, its manufacturing process is directly a kind of anti-fake material with two kinds of concealed anti-false features or two or more anti-fake material with different concealed anti-false features to be added in the fibre-forming polymer such as polyester, carries out co-blended spinning after melting; Or a kind of anti-fake material with two kinds of concealed anti-false features or two or more anti-fake material with different concealed anti-false features be dispersed in can and the resin carrier of fiber-forming polymer consolute in make the raw material master batch, sneak into again in the polymkeric substance such as polyester and carry out melt spinning, after polymer melting is extruded, melt is extruded from spinning nozzle, be shaped through cooling curing, then oil, reel, make at last single fiber 2 by drawing and setting, Fig. 6 is seen in technological process; Also such as adopting wet spinning process, being about to a kind of anti-fake material with two kinds of concealed anti-false features or two or more anti-fake material with different concealed anti-false features is dissolved or dispersed in the polyvinyl alcohol (PVA) spinning liquid and makes spinning solution, then carry out spinning and make single fiber 2, Fig. 7 is seen in technological process, spinning process comprises stoste filtration, deaeration, expressing technique, then strand is cured, to spinneret draft, form as-spun fibre, to as-spun fibre stretching, crystallization, orientation, aftertreatment makes finished product through fiber again.A kind of anti-fake material or two or more anti-fake material with different concealed anti-false features with two kinds of concealed anti-false features can also be sprayed on single fiber respectively according to specific ratio.
The setting of anti-counterfeiting characteristic more than three kinds corresponding to Fig. 2, irradiation unit 5 can correspondence be the light source more than three kinds, it can be the alternately variation of color more than three kinds during such as irradiation, checker or two kinds of colors that can be also three kinds of light and shade intensity of a kind of color reach wherein a kind of checker of color light and shade, form unique antifalse effect, and can have the combination of infinite many anti-counterfeiting characteristic, obtain infinite many visual effects.
The manufacture difficulty of fiber with described security feature is large, and anti-false fiber is copied in paper, therefore the security document of making has very high false proof value, simultaneously, only have the irradiation unit of corresponding excitation wavelength section could produce the visual effect feature that corresponding anti-counterfeiting characteristic changes, therefore both had advantages of extremely difficult the imitation, thereby had advantages of also that the variation anti-counterfeiting characteristic that can form multiple visual effect was applicable to multiple product.Such as, present under a certain wavelength Infrared irradiation and present a red anti-counterfeiting characteristic irradiation unit corresponding to these two sections wavelength under green anti-counterfeiting characteristic and another wavelength exciting irradiation, its all band and irradiation unit can not play a role, can be applied to a certain or certain a collection of product, and use specific irradiation unit in industry, and corresponding to another kind of or another batch, can adopt other combination.
Fig. 3 is printed with the schematic diagram of Optical Variable Ink 22 on security document 1 specific region, wherein be implied with a kind of anti-fake material with two kinds of concealed anti-false features or two or more has the anti-fake material of different concealed anti-false features, this material has (or bi-material has respectively) two kinds of concealed anti-false features simultaneously, be expressed as respectively anti-counterfeiting characteristic 31 in Fig. 3---have a kind of color characteristic under infrared light or ultraviolet excitation irradiation, and anti-counterfeiting characteristic 32---have the another kind of color characteristic under infrared light or ultraviolet excitation irradiation.Printing ink 22 can adopt the methods such as different mode of printings such as gravure, protruding seal, serigraphy, offset printing to be printed on security document 1, also can adopt coating method that printing ink is coated on security document 1, as shown in Figure 3.when irradiation unit 5 irradiation is implied with the specific region at printing ink place of anti-counterfeiting characteristic 31 and anti-counterfeiting characteristic 32, this specific region alternately presents different anti-counterfeiting characteristics, this anti-counterfeiting characteristic can be different color characteristic, it can be also the different feature of the depth of same color, form unique visible change antifalse effect, and because the combination of the stealthy color characteristic of printing ink 22 is varied, and the combination of infrared light supply and ultraviolet source is varied, therefore, can carry out Protean combination to anti-counterfeiting characteristic and the light source that can present in the irradiation unit of these two or more anti-counterfeiting characteristics thereof, thereby design diversified visual effect, to satisfy different carriers, the multiple needs that different false proof measures and identical carrier arrange different false proof measures are set.
When security element is printing ink, be generally that a kind of anti-fake material or two or more anti-fake material with different concealed anti-false features with two kinds of concealed anti-false features added in the printing ink starting material with certain proportion, make in printing ink stealthy two or more the light variable security feature that has;
When security element is safety line, generally a kind of anti-fake material with two kinds of concealed anti-false features or two or more anti-fake material with different concealed anti-false features to be added to certain proportion specifically be coated with in enclosure material, then this material is coated on safety line, makes in safety line stealthy two or more the light variable security feature that has.
According to the recognition capability of human eye, it is 0.5 second that the cycle of alternately switching is preferably in---between 3 seconds, and 1-2 second more preferably.This cycle can be with the cycle reflection of alternately switching between two or more light sources, and the described cycle of alternately switching refers to arrive after a kind of light source and power connection the time that arrives again first light source and power connection after next light source and power connection.
The irradiation unit of realization to Fig. 1,2, the 3 stealthy different preventing pseudo-characteristic checkers that arrange, structure that can be as shown in Figure 4, structure that also can be as shown in Figure 5.
Figure 4 shows that the structural representation of an irradiation unit, and be the most succinct irradiation unit on structure: comprise emitter 4, converting means 5, projection mouth 6, power supply (not shown in FIG.) and switch 71, be provided with two ultraviolet sources and/or infrared light supply 411 in emitter 4, 412, light source 411, 412 are set up in parallel, and can shine on security document 1 specific region by projection mouthfuls 6, be the protection light source, on projection mouth 6, clear glass can be installed, also optical filter can be set, certainly optical filter can be arranged on separately on light source, light source 411, 412 are connected with power supply respectively, and be connected with converting means 5 electricity, make light source 411, 412 alternately irradiations, converting means 5 is electrically connected to light source 411,412 respectively, comprise an electronic switch 51, be used for controlling alternately connecting of ultraviolet source and/or infrared light supply, converting means 5 also can be controlled light source 411,412 checker by pulsing circuit is set, converting means 5 also can comprise a frequency controller, is used for controlling the switching frequency of electronic switch 51.
Fig. 5 is the structural representation of Antiforge system of the present invention, comprise irradiation unit and security document, the projection mouth 6 of irradiation unit is over against the specific region 2 of security document 1, structure and Fig. 4 of irradiation unit are similar, comprise emitter 4, converting means 5, projection mouth 6, power supply (not shown in FIG.) and switch 71, two of emitter 4 light sources 411 wherein, 412 are set up in parallel in irradiation unit, infrared or ultraviolet are projected the specific region 2 of security document 1 by projection mouth 6, owing to being provided with converting means 5, after opening switch 71, converting means 5 and emitter are all in running order, it is light source 411, 412 alternately irradiate the projection mouth, like this, we observe specific region 2 from sight line A, just can see the anti-counterfeiting characteristic that alternately changes, produce unique antifalse effect.
Claims (9)
1. method for anti-counterfeit, it is characterized in that arranging the anti-counterfeiting characteristic of at least two kinds of stealths on a security element, be provided with the emitter that described at least two kinds of anti-counterfeiting characteristics are presented on one irradiation unit, and be provided with converting means on described irradiation unit, can make described at least two kinds of anti-counterfeiting characteristics carry out the periodicity conversion in the human eye recognizable set, thereby when observing described security element under the irradiation unit irradiation, can see periodically at least two kinds of anti-counterfeiting characteristics of checker, produce unique visual variation effects.
2. method for anti-counterfeit according to claim 1, is characterized in that, described security element with at least two kinds of concealed anti-false features is to have the single fiber of at least two kinds of light variable characteristics or the security element of printing ink or safety line.
3. method for anti-counterfeit according to claim 2, is characterized in that, described at least two kinds of light variable characteristics refer to that security element presents the characteristic of different colours feature under different ultraviolet wavelength shooting conditionss; Or security element presents same color under different ultraviolet wavelength shooting conditionss, but under different ultraviolet wavelength shooting conditionss the different characteristic of colour brightness; Or security element presents the characteristic of different color characteristics under different infrared wavelength shooting conditionss; Or security element presents same color under different infrared wavelength shooting conditionss, but under different infrared wavelength shooting conditionss the different characteristic of colour brightness; Or security element presents a kind of color characteristic under the ultraviolet wavelength shooting conditions, presents the characteristic of another kind of color characteristic under infrared light wavelength shooting conditions.
4. method for anti-counterfeit according to claim 3, is characterized in that, described color characteristic refers to the feature that the distribution of the color character of color or color consists of.
5. according to claim 1 and 2 or 3 described method for anti-counterfeit, is characterized in that, the cycle of described checker is 0.5 second---3 seconds.
6. method for anti-counterfeit according to claim 5, is characterized in that, the cycle of described checker is 1-2 second.
7. realize the Antiforge system of the described method for anti-counterfeit of one of claim 1 to 6, it is characterized in that being consisted of by the security document and the irradiation unit that are provided with described security element in the specific region; Described irradiation unit comprises emitter and converting means, described emitter can make described at least two kinds of anti-counterfeiting characteristics periodically alternately present under the control of converting means when shining the described specific region of containing described security element, be that on security document, cycle property alternately produces at least two kinds of discernible anti-counterfeiting characteristics of human eye, make human eye see the periodically visual effect of checker of anti-counterfeiting characteristic.
8. be used for the irradiation unit of Antiforge system claimed in claim 7: comprise emitter, converting means, the projection mouth, power supply and switch, it is characterized in that described emitter is provided with two or more ultraviolet sources and/or infrared light supply, and described light source can shine security element, described ultraviolet source and/or infrared light supply are connected with power supply respectively, described ultraviolet source and/or infrared light supply are electrically connected to converting means respectively, described converting means comprises an electronic switch, described electronic switch is used for controlling the alternately connection of periodicity of ultraviolet source and/or infrared light supply and power supply.
9. irradiation unit according to claim 8, it is characterized in that described converting means also comprises a frequency controller, be used for controlling the switching frequency of switch, this switching frequency can be by the cycle reflection of alternately switching between two or more light sources, and the described cycle of alternately switching refers to arrive after a kind of light source and power connection the time that arrives again first light source and power connection after next light source and power connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101201915A CN101112849B (en) | 2007-08-13 | 2007-08-13 | Anti-counterfeit method and anti-counterfeit system for realizing said method and device thereof |
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| CN2007101201915A CN101112849B (en) | 2007-08-13 | 2007-08-13 | Anti-counterfeit method and anti-counterfeit system for realizing said method and device thereof |
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| CN101112849A CN101112849A (en) | 2008-01-30 |
| CN101112849B true CN101112849B (en) | 2013-05-08 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6128749B2 (en) * | 2012-04-18 | 2017-05-17 | 日本発條株式会社 | Optical reader, optical reading method and program |
| CN102935769B (en) * | 2012-11-27 | 2015-04-15 | 中国人民银行印制科学技术研究所 | Safety product and method for printing anti-counterfeiting mark |
| CN104442078B (en) * | 2013-09-16 | 2017-05-17 | 深圳市同盛绿色科技有限公司 | Optical anti-counterfeit system, mobile terminal and anti-counterfeit label |
| CN104616391B (en) * | 2015-02-12 | 2017-06-06 | 西安印艺苑实业有限公司 | Note validating method and apparatus |
| FR3045907B1 (en) * | 2015-12-18 | 2019-11-22 | Oberthur Fiduciaire Sas | SECURITY ELEMENT HAVING HIDDEN INFORMATION, DOCUMENT-VALUE THAT INCLUDES IT AND DEVICE FOR VERIFYING THIS HIDDEN INFORMATION |
| CN107346405A (en) * | 2016-05-06 | 2017-11-14 | 东莞文胜鼎电子科技有限公司 | Antifalsification label identification device and antifalsification label recognition methods |
| CN106128295A (en) * | 2016-08-30 | 2016-11-16 | 无锡新光印防伪技术有限公司 | Anti-transfer mark patch with variable parsing Quick Response Code and preparation method thereof |
| CN106128294A (en) * | 2016-08-30 | 2016-11-16 | 无锡新光印防伪技术有限公司 | Anti-counterfeiting mark with variable hide information Quick Response Code and preparation method thereof |
| CN107798992B (en) * | 2016-09-02 | 2022-03-25 | 北京柯斯元科技有限公司 | Random texture anti-counterfeiting mark and anti-counterfeiting system thereof |
| CN109118950B (en) * | 2018-10-10 | 2021-03-02 | 苏州征之魂专利技术服务有限公司 | Information anti-counterfeiting light-cut-off device |
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