CN2896417Y - Character anti-fake structure - Google Patents
Character anti-fake structure Download PDFInfo
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- CN2896417Y CN2896417Y CN 200520128778 CN200520128778U CN2896417Y CN 2896417 Y CN2896417 Y CN 2896417Y CN 200520128778 CN200520128778 CN 200520128778 CN 200520128778 U CN200520128778 U CN 200520128778U CN 2896417 Y CN2896417 Y CN 2896417Y
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- literal
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- counterfeit structure
- counterfeit
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Abstract
The utility model discloses a counterfeit-proof structure which comprises a word-containing feature layer at least in partial areas between the base layer and the surface layer. Compared with publicly known techniques, the word features herein are easier to identify and the search result is more accurate. Any handwritten word will prevent counterfeiting more effectively. The words formation area feels dented, which is easy to identify and increases the difficulty of counterfeiting. The counterfeit-proof structure herein can be made more difficult to counterfeit by dividing the features on word basis and tossing them randomly to form words and combined pictures. In this way, the user safety can be ensured. In addition, the utility model may send the picture, pronunciation, color or quantity of the words to an inquirer, so that the comparison can be more accurate.
Description
Technical field
The utility model relates to a kind of anti-counterfeiting technology, refers in particular to a kind of text structure that utilizes and carries out false proof anti-counterfeit structure.
Background technology
As everyone knows, the purpose that anti-counterfeiting technology will reach is to make it be difficult for forging, and but is easy to identification simultaneously.Utilizing anti-counterfeiting mark to carry out false proof is a kind of false proof means commonly used, and its advantage is to use conveniently, check convenient and be convenient to the consumer and discern in any occasion, but its shortcoming is that false proof means are single, easily counterfeit by the fake producer.For this reason, people begin on sign seal and establish password numerical value, and utilize computer cryptography numerical value storehouse automatically networking password numerical value is inquired about.But, after after a while, find that the counterfeiter can adopt the gimmick of seal more than a yard, the printing of robber's sign indicating number to come counterfeit real password numerical value sign, thereby this kind cipher counterfeit-proof technology does not still reach false proof purpose.
Chinese patent 99801139.8 discloses a kind of texture structure method for anti-counterfeit and corresponding texture structure anti-fake identification mark.This technology is that the structural texture feature of difficult forgery that the material of anti-fake identification mark own is had is demarcated coding with subregional method, with the distinctive demarcation coding of each anti-fake identification mark permutation and combination in groups, the income Computer Database confirms in order to Help by Phone again.This method is actually the feature collection such as random grain that the marker carrier is natural and gets up with the true and false of standby checking anti-fake identification mark carrier at any time.The shortcoming of this method is very tangible: at first, the answer of wherein used phone checking is a kind of uncertain answer, and is not accurate enough, and for the inquiry, the difficulty of comparing, verifying by naked eyes identification carrier textural characteristics at random is bigger; Increase anti-spurious accuracy and just must increase the fineness of area dividing, thereby make that false proof performing step is too many, false proof means are more complicated, and cost is too high.
In view of this, the design artificially solves the problem that above-mentioned known anti-counterfeiting technology exists, and is be determined to be engaged in the experience that this area is researched and developed for many years, made with it, well-designedly finally after exploitation improvement repeatedly goes out the utility model.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of text structure that utilizes to carry out false proof anti-counterfeit structure, to overcome the defective of known anti-counterfeiting technology.
Technical solution of the present utility model is: a kind of literal anti-counterfeit structure, comprise basic unit and top layer, wherein, between described basic unit and the top layer at least the subregion be provided with the characteristic layer that comprises literal.
Aforesaid literal anti-counterfeit structure, wherein, described literal is handwriting or block letter.
Aforesaid literal anti-counterfeit structure, wherein, described characteristic layer from top to bottom comprises character layer and carrier of characters layer at least.
Aforesaid literal anti-counterfeit structure, wherein, described character layer is the three-dimensional structure of being made by laser engraving or the printing of concave, convex version with concave-convex sense.
Aforesaid literal anti-counterfeit structure, wherein, described anti-counterfeit structure is antifalsification label or anti-fake paper.
Aforesaid literal anti-counterfeit structure, wherein, described carrier of characters layer is a safety line.
Aforesaid literal anti-counterfeit structure, wherein, described top layer is peritonaeum or transparent paper pulp, and membrane area is slightly greater than the label area.
Aforesaid literal anti-counterfeit structure, wherein, described antifalsification label top layer is also printed and is provided with sequence number, Query Information and the bar code corresponding with sequence number, this Query Information comprise at least with character layer on the corresponding block letter prompt text of literal, bar code, referral web site, telephone number, SMS sender number one of them.
Aforesaid literal anti-counterfeit structure, wherein, described sequence number comprises random code and character features sign indicating number two parts at least.
Aforesaid literal anti-counterfeit structure, wherein, this literal condition code is corresponding with stroke, quantity and/or the color of the literal of characteristic layer.
Characteristics of the present utility model and advantage are: in the literal anti-counterfeit structure of the present utility model, between its basic unit and the top layer at least the subregion be provided with the characteristic layer that comprises literal, compare with known technology, character features of the present utility model is the object that the public very is familiar with, its feature is obvious, easy identification more, Query Result is more accurate; If realize, then can further effectively prevent personation with handwriting; There is concave-convex sense in the formation zone of literal, not only is convenient to identification, and has more increased the difficulty of forging; As being to form literal and composite figure at random by shedding at random again after cut the unit with single word, cooperate the record of the query State in the method for anti-counterfeit again and inform, then can make anti-counterfeit structure of the present utility model be difficult to be forged, thereby guarantee the security of use by illegal person; In addition, the utility model also can send to the inquiry with the literal picture, thereby makes comparison procedure more accurate.In sum, the utility model provides a kind of brand-new anti-counterfeiting technology, thereby has really realized false proof purpose: be easy to identification, be difficult to forge, for the safe handling of various products provides a splendid solution.
Description of drawings
Fig. 1 is the floor map of an embodiment of literal anti-counterfeit structure of the present utility model.
Fig. 2 is the diagrammatic cross-section of an embodiment of literal anti-counterfeit structure of the present utility model.
The anti-counterfeit structure synoptic diagram that Fig. 3 sheds at random for the text unit of hand-written script in the utility model.
Fig. 4 to Fig. 4 C is the profile and the diagrammatic cross-section of different parts of an embodiment of literal anti-counterfeit structure of the present utility model.
Fig. 5 A is a synoptic diagram of manufacturing the used safety line of label of the present utility model.
Fig. 5 B is the synoptic diagram of paper grade (stock) safety line of the present utility model.
Fig. 6 is the synoptic diagram after the safety line of Fig. 5 B is applied to paper product.
Fig. 6 A is the anti-fake paper with background of the present utility model.
Fig. 6 B is the anti-fake paper of making by the mode that puts in a skylight of the present utility model.
Fig. 7 is the synoptic diagram of the method for making of literal anti-counterfeit structure of the present utility model.
Fig. 8 is used for method flow synoptic diagram when false proof for the utility model.
Fig. 9 is used for implementation synoptic diagram when false proof for the utility model.
The drawing reference numeral explanation:
1, antifalsification label 1 ', anti-fake paper 11, bottom
12, label top layer 13, characteristic layer 131, character layer
132, carrier of characters layer 14, label safety line 14 ', paper grade (stock) safety line
21, literal 22, sequence number 221, random code
222, character features sign indicating number 23, prompt text 24, bar code
25, Query Information 151, safety line are leaked skylight part externally
152, the part that in paper product, is capped of safety line
Embodiment
Following conjunction with figs. and specific embodiment are described in further detail embodiment of the present utility model.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of text structure that utilizes and realize false proof anti-counterfeit structure, this anti-counterfeit structure comprises basic unit 11 and top layer 12, described top layer 11 can be peritonaeum or transparent paper pulp (papermaking), and between described basic unit 11 and the top layer 12 at least the subregion be provided with the characteristic layer 13 that comprises literal 21.As shown in Figure 4, described characteristic layer 13 from top to bottom can comprise character layer 131 and carrier of characters layer 132.In the specific implementation, as Fig. 1～shown in Figure 8, this anti-counterfeit structure can be antifalsification label 1, can directly be a paper product 1 ' also, or other needs false proof object.
The method for making of literal anti-counterfeit structure of the present utility model is described with antifalsification label and anti-fake paper respectively below:
Be example at first to make antifalsification label, as Fig. 1～Fig. 4 and shown in Figure 7, by digital embossing plate printing equipment (or digital engraving equipment) with the writing printing of writing (or engraving) in various paper (chemical paper, synthetic paper, extrusion coating paper or art paper etc.), film is (as plastic sheeting, metallic film etc.) or other carrier (as flexible plastic, spline, resin cloth etc.) on, cut into strip again, print referral web site then, Given informations such as phone, and the paper of above-mentioned strip or the film mode by printing or setting-out is divided into a plurality of labels, by computer scanning literal and combination image on the regulation zone (characteristic layer zone) on each label are stored in the anti-counterfeit recognition system again, identify the literal on the literal combination picture, and according to the feature of this literal establishment sequence number, subsequently with sequence number, bar code corresponding with sequence number and prompt text printing (as coding) are to the appointed area of label.Certainly, the carrier of this printing (or engraving) literal also can be safety line, shown in Fig. 5 A, this safety line is narrower, usually only for the writing words that single file is set, the writing of writing forms the character layer 131 with concave-convex sense in the mode of embossing plate printing (or laser engraving) on safety line, by peritonaeum this safety line edge is buried in the label, and out of Memory (comprising sequence number, Query Information etc.) had been printed on before safety line is set on the label, promptly made the antifalsification label with antifalse effect.The A-A that as Fig. 4 A is antifalsification label of the present utility model is to the profile synoptic diagram, and the position that this antifalsification label is provided with characteristic layer protrudes from other position; Shown in Fig. 4 B, be B-B cross section view among Fig. 4, this place is provided with characteristic layer 13, comprises character layer 131 and carrier layer 132; C-C cross section view shown in Fig. 4 C, this place is not provided with characteristic layer.
For ease of using, the basic unit of above-mentioned antifalsification label is provided with non-drying glue layer.Need to prove that if label surface adopts peritonaeum, in order to prevent the label global transfer, membrane area should be slightly greater than the label area, and be used for the adhesiveness of peritonaeum should be less than the stickup viscosity of label.
Be example again with papermaking, as Fig. 6, shown in Figure 7, its also be by digital embossing plate printing equipment (or digital engraving equipment) with the writing printing of writing (or engraving) at paper, on film or other carrier, cut into strip again, by printing the paper of above-mentioned strip or the film mode by printing or setting-out is divided into a unlimited label then, again by computer scanning and store literal on the regulation zone and combination image on each label, and identify literal on the literal combination picture, according to the feature establishment sequence number of this literal, subsequently with sequence number, bar code, prompt text and known definite information are (as referral web site, phone etc.) be printed onto the appointed area of safety line.The establishment sequence number copies it set-up mode edge of safety line to be embedded in the paper then.Certainly, the carrier of this printing (or engraving) literal also can be safety line, shown in Fig. 5 B, this safety line has bigger width, the writing of writing forms the characteristic layer with concave-convex sense literal in the mode of embossing plate printing (or laser engraving) on safety line, and out of Memory (comprising sequence number, Query Information etc.) also can be printed onto on this safety line in the lump.On bottom paper pulp, put into the safety line that comprises writing words during papermaking, and then hang the starch adhesive of layer of transparent, promptly make paper product with antifalse effect.Certainly, in the process of making, can adjust the storing mode of safety line fully as required, as horizontal storing, also can vertically put, the mode (shown in Fig. 6 B) that can also select segmentation to put in a skylight, this safety line comprise skylight part of exposing externally 151 and the part 152 that is capped in paper product, can satisfy different false proof demands thus.In addition, in the utility model paper-making process, also the text unit that branch can be cut is directly shed on paper pulp at random, hang up transparent paper pulp again, thereby form paper product with background literal, as shown in Figure 6A, again according to the purposes of paper, factors such as size go out at least one label by mode zoning on this anti-fake paper of printing or setting-out or directly setting, the literal of gathering the characteristic layer of each label reaches to make up graphical information at random and be saved in and discerns in the Antiforge system, at least work out simultaneously the character features sign indicating number of sequence number, and sequence number and the required Given information of anti-fake paper are printed on the selection area of this anti-fake paper, make paper product with background and antifalsification label, and, because the background literal can more shallow color be realized, do not influence the use in later stage, and reach false proof purpose.In addition, this paper product with background literal can direct as required zoning be a plurality of label areas and the position of determining its characteristic layer also, the literal of gathering the characteristic layer of each label area reaches to make up graphical information at random and be saved in and discerns in the Antiforge system, work out sequence number simultaneously, and sequence number and the required Given information of anti-fake paper be printed on the selection area of each label, make a plurality of antifalsification labels.
As shown in Figure 7, in a specific embodiment of the present utility model, this anti-counterfeit structure is an antifalsification label 1, this literal 21 is handwriting (please refer to shown in Figure 3), that for example the business leader can be write in one's own handwriting comprises this corporate culture, the literal of contents such as theory, mode by laser engraving or embossing plate printing is produced on flexible plastic, spline, form initial writing layer on plastic sheeting or the paper, make it have concave-convex sense, again initial writing layer is cut into a plurality of text units, adopt coating then, attached film, papermaking, heat shifts, viscose glue, modes such as casting is coated with are shed this text unit on this safety line at random, the safety line that will comprise literal again is mounted to the position, specific region of label, and store in the database after with this text unit collection by computer scanning, work out corresponding sequence number 22 simultaneously.
As shown in Figure 1, on the antifalsification label 1 also seal be provided with sequence number 22, with character layer 131 on literal 21 corresponding block letter prompt texts 23, bar code 24 and the Query Information 25 corresponding with sequence number 22, this Query Information 25 comprises known definite information such as referral web site, telephone number, SMS sender number, can be printed in the select location of basic unit 11 before making characteristic layer.Certainly, according to different method for makings, aforementioned information can be positioned at different structural sheets, and aforementioned content and this anti-counterfeit structure constitute an indivisible integral body.Because the utility model carries out false proof with character features, therefore, also corresponding random code 221 and character features sign indicating number 222 two parts of comprising of the sequence number of being worked out 22, wherein said character features sign indicating number can be corresponding with stroke, quantity and/or the color of the literal of character layer, for example, literal on the label characteristics layer is " our success ", and then the character features sign indicating number 222 of sequence number can be " 7565 " (stroke).Further, in order more clearly to distinguish random code 221 and character features sign indicating number 222, this literal and character features sign indicating number can be made as corresponding colour, as " I " word is red, " 7 " in the character features sign indicating number 222 corresponding with it also are red, " " word is green, and " 5 " in the corresponding character condition code 222 also are green, or the like.Perhaps, 5 " I " words of the literal on the label characteristics layer wherein, have 3 redness, 2 bluenesss, and the condition code of this sequence number corresponds to " 32 ", and wherein, " 3 " " 2 " are printed as redness, blueness respectively.Certainly, other color, stroke, number combinations are also applicable to the utility model, as long as can make the user be easier to identification.
The character features sign indicating number part that comprises in the sequence number can be generated by the automatic identification of literal composite figure behind the computer scanning.For example, the literal that feature literal among Fig. 1 " we success " is located is when composite figure is scanned anti-counterfeit recognition system at random, also can utilize character recognition tool (as OCR software etc.) to identify each literal simultaneously, and the stroke number that draws each literal is with the character features sign indicating number as its sequence number.
In above-mentioned specific embodiment, can will these safe lines cut for containing the anti-dummy unit of a plurality of literal according to certain length, and directly gather and store this anti-dummy unit, work out corresponding sequence number; In order to strengthen anti-counterfeiting power, improve the difficulty of copying, these safe lines can also each word be unit and slitting becomes a plurality of anti-dummy units that only comprise a literal, to cut again the single word that forms at random (or regularly) shed combination, form the composite figure of handwriting, utilize hot transfer, viscose glue or other known manner to be fixed on the strip safety line again, by printing, zoning becomes a plurality of labels again, utilize the composite figure of this handwriting of computer scanning and store in the database, and work out corresponding sequence number.If the initial and end portion at the character features layer of each label in the zoning process of label has formed incomplete literal, as left end is the right half part of " I " word, and right-hand member is the left-half of " merit " word, when gathering and store, can select to ignore incomplete literal, corresponding therewith, the character features sign indicating number in its sequence number also only comprises the stroke number of complete literal.
If make an anti-fake paper, the partitioning scheme of its anti-dummy unit can be with reference to above description.Be on bottom paper pulp, to put into the safety line that has literal during papermaking, and then hang the starch adhesive of layer of transparent, both can make paper and also can cut into label again.
Above-mentioned sequence number part and prompt text part can add overlayer, can know after this overlayer is removed to manifest sequence number or the prompt text that is capped, with further enhancing anti-fake effect of the present utility model.
In addition, literal in the utility model also is not limited in the Chinese character described in the foregoing description, equally also can be various literal such as English, Tibetan language, Mongolian, Japanese, Korean, and speech polling and prompt text also can adopt corresponding spoken and written languages, so that the utlity model has wider range of application.
In anti-counterfeit structure of the present utility model and preparation method thereof, as initial writing layer branch being cut to less text unit (as being the unit) with single word, it is shed combination at random after, the direction and the position of each text unit (as each literal) all are at random; In addition, if adopt hand-written script to make, because everyone person's handwriting all has its feature, other people can not imitate just the samely, so, make the personator be difficult to imitated on all four anti-counterfeit structure.
Corresponding with above-mentioned anti-counterfeit structure and method for making, the utility model also proposes a kind of method for anti-counterfeit, as shown in Figure 8, comprising: by the user Query Information that has character features on the anti-counterfeit structure is provided to anti-counterfeit recognition system; Anti-counterfeit recognition system utilizes this literal and various assemblage characteristic thereof to search relevant information and compare from database; Anti-counterfeit recognition system returns confirmation to the user.
As shown in Figure 9, above-mentioned method for anti-counterfeit can be realized by modes such as phone, network, cell phone multimedia message, note and faxes, as adopt plain old telephone, then can import comprise the character features sign indicating number on the false-proof mechanism sequence number to this anti-counterfeit recognition system, described character features sign indicating number can be corresponding with stroke, quantity and/or the color of the literal of character layer, anti-counterfeit recognition system is searched and this inquiry sequence number corresponding sequence number, as does not find, and then gives the user with query object for the information feedback of personation; As find, then will inquire about features such as the corresponding word pronunciation of sequence number, quantity and/or color with this and answer to the user with voice mode, the user can be in view of the above with label on prompt text and/or the literal on the characteristic layer compare, to determine the true and false of product.For example, literal on the label characteristics layer is 3 redness " I " word and 2 bluenesss " " word, can point out the user " ' I ' word that three redness are arranged on this label; ' ' word of two bluenesss " during Help by Phone, certainly, also can when voice answering, provide other character features information, as put in order etc.
If support picture transmission manner (as network, cell phone multimedia message, note and fax) to realize this method for anti-counterfeit, then can confirm the true and false of product respectively with following two kinds of approach by other:
One, the user provides the sequence number that comprises the character features sign indicating number on the anti-counterfeit structure to anti-counterfeit recognition system by the way, anti-counterfeit recognition system utilizes this sequence number that comprises the character features sign indicating number to search from database and this inquiry sequence number corresponding sequence number, as do not have, then give the user for the information feedback of personation with query object; If any, then return confirmation, this confirmation can be with database in find with corresponding literal of this sequence number and combination picture at random, the corresponding relation that also can comprise the character features sign indicating number of literal on the comparison picture and this sequence number in this process, if corresponding, also can directly feed back this query object and be the information of genuine piece and give the user.
Two, the literal on the character features layer on the anti-counterfeit structure that will obtain by digital camera, mobile phone or scanner etc. by modes such as networks of user and at random combination picture provide to anti-counterfeit recognition system, anti-counterfeit recognition system is inquired about from database and the corresponding picture of this inquiry picture, as do not have, then give the user for the information feedback of personation with query object; If any, then return confirmation, this confirmation can be with database in the corresponding sequence number of picture that inquires, the corresponding relation that also can comprise the character features sign indicating number of literal on the comparison picture and this sequence number in this process, if corresponding, also can directly feed back this query object and be the information of genuine piece and give the user.
The inquiry literal combination picture that provides above-mentioned identification comparison procedure user can utilize kinds of words and image recognition compare tool (as OCR software etc.) to identify each literal.Because the identification comparison techniques of image and the recognition technology (comprising characteristics such as identification colors) of image-literal have all reached higher level at present, those skilled in the art can select proper implements fully as required, therefore, no longer related content is described in detail herein.
In the method for anti-counterfeit of the present utility model, described character features sign indicating number is corresponding with the features such as stroke, color and/or quantity of the literal of character layer, and, also be printed with the prompt text part on the label, thus, make that the user can not need just can tentatively judge its true and false by other instrument.
In addition, in order to prevent that further the personator from utilizing the label information that uses, inquired about to forge, when the Query Information that provides the user is consistent with the information of database, the state of can also the record queries object having been inquired about, and, character features as inquiry was inquired about, then can point out the user in such a month, and on such a day to be inquired about in certain year.Further, also can write down inquiry's identity for the first time,, or inquiry times is set for the check in later stage, etc.
In the above-mentioned method for anti-counterfeit, the literal on the described literal combination picture is to form and collect in the anti-counterfeit recognition system in the mode of handwriting through laser engraving or embossing plate printing.
Claims (11)
1, a kind of literal anti-counterfeit structure comprises basic unit and top layer, it is characterized in that, the zone between described basic unit and the top layer is provided with the characteristic layer that comprises literal.
2, literal anti-counterfeit structure as claimed in claim 1 is characterized in that, described literal is handwriting or block letter.
3, literal anti-counterfeit structure as claimed in claim 2 is characterized in that, described characteristic layer from top to bottom comprises character layer and carrier of characters layer at least.
4, literal anti-counterfeit structure as claimed in claim 3 is characterized in that, described character layer is the three-dimensional structure of being made by laser engraving or the printing of concave, convex version with concave-convex sense.
5, literal anti-counterfeit structure as claimed in claim 4 is characterized in that, described anti-counterfeit structure is antifalsification label or anti-fake paper.
6, literal anti-counterfeit structure as claimed in claim 4 is characterized in that, described carrier of characters layer is a safety line.
7, literal anti-counterfeit structure as claimed in claim 5 is characterized in that, described top layer is peritonaeum or transparent paper pulp, and membrane area is slightly greater than the label area.
8, literal anti-counterfeit structure as claimed in claim 5, it is characterized in that, on the described antifalsification label also seal be provided with sequence number, Query Information and the bar code corresponding with sequence number, this Query Information comprise at least with characteristic layer on the corresponding block letter prompt text of literal, bar code, referral web site, telephone number, SMS sender number one of them.
9, literal anti-counterfeit structure as claimed in claim 8 is characterized in that, described sequence number comprises random code and character features sign indicating number two parts at least.
10, literal anti-counterfeit structure as claimed in claim 9 is characterized in that, the corresponding setting of stroke, quantity and/or color of this literal condition code and the literal of characteristic layer.
11, literal anti-counterfeit structure as claimed in claim 4, it is characterized in that, described anti-counterfeit structure is one to have the anti-fake paper of background literal, is to cut the text unit that forms by the characteristic layer that comprises literal to shed at random to be arranged between paper pulp bottom and the transparent pulp layer and constitute the background literal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128778 CN2896417Y (en) | 2005-12-31 | 2005-12-31 | Character anti-fake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128778 CN2896417Y (en) | 2005-12-31 | 2005-12-31 | Character anti-fake structure |
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| Publication Number | Publication Date |
|---|---|
| CN2896417Y true CN2896417Y (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128778 Expired - Lifetime CN2896417Y (en) | 2005-12-31 | 2005-12-31 | Character anti-fake structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996518A (en) * | 2009-08-20 | 2011-03-30 | 郑阿奇 | Anti-counterfeiting method of damaging pattern and character alternative multidimensional codes by character sheets |
| CN101255669B (en) * | 2008-04-11 | 2012-09-05 | 北京兆信信息技术有限公司 | Special type information papers and manufacturing method thereof |
| CN103158394A (en) * | 2011-12-15 | 2013-06-19 | 北京燕京科技有限公司 | Anti-fake certificate |
| CN106142860A (en) * | 2015-04-03 | 2016-11-23 | 石立公 | A kind of Portable counterfeit-proof marking device |
| CN111681013A (en) * | 2020-05-08 | 2020-09-18 | 李忠义 | Code anti-fake method |
-
2005
- 2005-12-31 CN CN 200520128778 patent/CN2896417Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255669B (en) * | 2008-04-11 | 2012-09-05 | 北京兆信信息技术有限公司 | Special type information papers and manufacturing method thereof |
| CN101996518A (en) * | 2009-08-20 | 2011-03-30 | 郑阿奇 | Anti-counterfeiting method of damaging pattern and character alternative multidimensional codes by character sheets |
| CN103158394A (en) * | 2011-12-15 | 2013-06-19 | 北京燕京科技有限公司 | Anti-fake certificate |
| CN106142860A (en) * | 2015-04-03 | 2016-11-23 | 石立公 | A kind of Portable counterfeit-proof marking device |
| CN106142860B (en) * | 2015-04-03 | 2018-03-23 | 石立公 | A kind of Portable counterfeit-proof marking device |
| CN111681013A (en) * | 2020-05-08 | 2020-09-18 | 李忠义 | Code anti-fake method |
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