CN101777134B - Presswork encryption security printing technology based on multi-system quadrature amplitude modulation - Google Patents

Presswork encryption security printing technology based on multi-system quadrature amplitude modulation Download PDF

Info

Publication number
CN101777134B
CN101777134B CN2010101153063A CN201010115306A CN101777134B CN 101777134 B CN101777134 B CN 101777134B CN 2010101153063 A CN2010101153063 A CN 2010101153063A CN 201010115306 A CN201010115306 A CN 201010115306A CN 101777134 B CN101777134 B CN 101777134B
Authority
CN
China
Prior art keywords
modulation
counterfeiting information
amplitude
image signal
ary orthogonal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010101153063A
Other languages
Chinese (zh)
Other versions
CN101777134A (en
Inventor
曹鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Institute of Graphic Communication
Original Assignee
Beijing Institute of Graphic Communication
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Graphic Communication filed Critical Beijing Institute of Graphic Communication
Priority to CN2010101153063A priority Critical patent/CN101777134B/en
Publication of CN101777134A publication Critical patent/CN101777134A/en
Application granted granted Critical
Publication of CN101777134B publication Critical patent/CN101777134B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a presswork encryption security printing technology based on multi-system quadrature amplitude modulation. By adopting the security printing technology, a paseudorandom modulating signal can be generated from anti-counterfeiting information through spread spectrum, encryption and channel coding, the anti-counterfeiting information can be embedded into a whole page through a multi-system quadrature amplitude modulation (QAM) mode, and the anti-counterfeiting information can be identified from any fragment in presswork identification. The invention has very strong smash-resistance, can effectively resist piracy behaviour based on cameras, scanners, electronic documents and the like, and can be widely applied to the field of presswork anti-counterfeit.

Description

Based on the amplitude-modulated printed matter enciphering anti-fake printing method of M-ary orthogonal
Affiliated technical field:
The present invention relates to a kind ofly based on digital printed goods anti-counterfeiting printing technology, particularly a kind of in based on the amplitude-modulated printed matter encryption counterfeit printing technology of M-ary orthogonal, this anti-counterfeiting printing technology can be used for the false proof of various printed matters.
Background technology:
Existing comparatively common method for anti-counterfeit has following several kinds: first kind is laser anti-false sign; The anti-fake label of the symbol or the special identification icon of product being printed into product with the recessive printing ink daylight fluorescence ink of laser printing technology; And same series products uses with a kind of labeling, and because of anti-fake label is easier to forge, and the anti-fake label of forging is used on the fake products; Cause the true and false of product to obscure, therefore be difficult to effectively false proof.Second kind is the cipher counterfeit-proof labeling, and the method that it adopted is that every product is compiled one group of number, and the coding of every product is all inequality; This number is printed on the labeling and hides, this number is deposited in can supply in the Computer Database that the consumer inquires about, when the consumer buys product simultaneously; Number on the sign is compared identification through the digital entering computer database that phone or networking computing machine will identify, identical being very, difference is vacation; Method is simple, and identification is difficult for forging easily; But in actual the use, because of coded data is that labeling is printed in the unified back that generates of computing machine.The true and false coded data of representative products possibly faked by illegal copies, and simultaneously, the coding on the product of the also recyclable not inquiry of encoding is made mark and is attached on the false pain article, and antifalse effect is difficult to guarantee.The third is a texture anti-fake; Textural characteristics with on its labeling is false proof; Though difficult the forgery, because the serial number that a bidding pastes, and be plain code; Every piece of mark can be inquired about repeatedly, has or not phenomenon to plagiarize the back to forge in batches by this characteristic in the necessary textural characteristics grid that the fake producer can be through warehouseman or shop-assistant be reflected during with sequence number on the labeling and inquiry.In sum, all there is certain shortcoming in existing method for anti-counterfeit, thereby can not be from prevent fake products at all.
Summary of the invention:
In order to overcome the shortcoming that existing various printed matter anti-counterfeiting printing technology exists; The deficiency that the present invention is directed to existing printed matter anti-counterfeiting printing technology existence is improved prior art; Proposed a kind of based on the amplitude-modulated printed matter encryption counterfeit printing technology of M-ary orthogonal; This anti-counterfeiting printing technology can be embedded in anti-counterfeiting information in the full page; Can when printed matter is discerned, in any fragment, discern anti-counterfeiting information, therefore have very strong anti-fragility, can fundamentally stop to adopt bootlegging behaviors such as photograph, scanning.
The technical solution adopted for the present invention to solve the technical problems is: amplitude modulation site and frequency-modulation halftone dot in the flexographic printing mixing screening are separately handled; Adopt M-ary orthogonal Modulation and Amplitude Modulation (QAM) mode; Clocklike change the locus of mixing frequency-modulation halftone dot in the screening; Make the frequency-modulation halftone dot that mixes random distribution in the screening,, make it carry anti-counterfeiting information through the well-regulated redistribution of M-ary orthogonal Modulation and Amplitude Modulation (QAM); And this anti-counterfeiting information is embedded in the full page site, can more effectively resist based on bootlegging behaviors such as camera, scanner, electronic documents.Embed extractible anti-counterfeiting information through non-in printed matter obviously, can valid certificates be provided, have stronger anti-forgery ability simultaneously, and do not increase extra false proof cost for genuine piece.
For solving above-mentioned technical matters, at first anti-counterfeiting information is carried out spread spectrum, encryption, generate pseudo random sequence code (PN).Anti-counterfeiting information can be image information, Word message, trademark information etc.Pseudo random sequence code (PN) generates the pseudorandom modulation signal with EDC error detection and correction function through chnnel coding.Chnnel coding can adopt various ways such as loop coding convolutional encoding or Turbo coding.Original continuous is changed the line map image signal through rasterizing processing (RIP) and mixing screening output shadow tone mixing Screening Image signal, comprising amplitude modulation site and FM screened image signal.Utilize the pseudorandom modulation signal that generates to adopt M-ary orthogonal Modulation and Amplitude Modulation (QAM) mode, modulation mixes the locus of frequency-modulation halftone dot in the Screening Image signal, carries anti-counterfeiting information through the locus of frequency-modulation halftone dot, realizes anti-counterfeit printing.
When extracting anti-counterfeiting information, at first gather the halftone dot image signal, through fuzzy diagnosis, extract the edge signal of site to halftone dot space position, differentiate frequency-modulation halftone dot and amplitude modulation site.The spatial positional information of demodulation frequency-modulation halftone dot, output pseudorandom modulation signal.Pseudorandom modulation signal to demodulation output carries out channel-decoding, despreading and deciphering respectively, recovers anti-false signal and exports anti-counterfeiting information.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified.
Add anti-counterfeiting information preceding amplitude modulation site and frequency-modulation halftone dot distribution plan in Fig. 1 mixing screening.
Amplitude modulation site and frequency-modulation halftone dot distribution plan in Fig. 2 mixing screening behind the adding anti-counterfeiting information.
Fig. 3 loads the anti-counterfeiting information process flow diagram.
Fig. 4 extracts the anti-counterfeiting information process flow diagram.
Embodiment
In loading anti-counterfeiting information process flow diagram 3, original anti-counterfeiting information (image, literal, trade mark) generates pseudo random sequence code (PN) through spread spectrum, encryption.Pseudo random sequence code (PN) generates the pseudorandom modulation signal with EDC error detection and correction function through chnnel coding.Chnnel coding can adopt various ways such as loop coding, convolutional encoding or Turbo coding.Original continuous is changed the line map image signal through rasterizing processing (RIP) and mixing screening output shadow tone mixing Screening Image signal, and comprising amplitude modulation site and FM screened image signal, but the distribution of frequency-modulation halftone dot is irregular, and is as shown in Figure 1.Utilize the pseudorandom modulation signal that generates to adopt M-ary orthogonal Modulation and Amplitude Modulation (QAM) mode; Modulation mixes the locus of frequency-modulation halftone dot in the Screening Image signal, generates the mixing Screening Image signal that embeds anti-counterfeiting information, and is as shown in Figure 2; Make the frequency-modulation halftone dot that mixes the random distribution of screening among Fig. 1; Through M-ary orthogonal Modulation and Amplitude Modulation (QAM), press the well-regulated redistribution of distribution mode among Fig. 2, make it carry anti-counterfeiting information; And this anti-counterfeiting information is embedded in the full page site, realize anti-counterfeit printing.
In extracting anti-counterfeiting information process flow diagram 3, at first gather the halftone dot image signal, through fuzzy diagnosis, extract the edge signal of site to halftone dot space position, differentiate frequency-modulation halftone dot and amplitude modulation site.Frequency-modulation halftone dot is carried out M-ary orthogonal amplitude demodulation system, the spatial positional information of demodulation frequency-modulation halftone dot, output pseudorandom modulation signal.Pseudorandom modulation signal to demodulation output carries out channel-decoding, despreading and deciphering respectively, recovers anti-false signal and exports anti-counterfeiting information.

Claims (3)

1. one kind generates the pseudorandom modulation signal with anti-counterfeiting information through spread spectrum, encryption or chnnel coding; And through M-ary orthogonal Modulation and Amplitude Modulation (QAM) mode with anti-counterfeiting information be embedded in the full page based on the amplitude-modulated printed matter enciphering anti-fake printing method of M-ary orthogonal; It is characterized in that: anti-counterfeiting information is generated pseudo random sequence code through spread spectrum, encryption; Again the pseudo random sequence code that generates is generated the pseudorandom modulation signal through chnnel coding; Original continuous is changed the line map image signal through rasterizing processing (RIP) and mixing screening output shadow tone mixing Screening Image signal, utilize pseudorandom modulation signal employing M-ary orthogonal Modulation and Amplitude Modulation (QAM) mode of generation, the locus of frequency-modulation halftone dot in the modulation mixing Screening Image signal; Make the frequency-modulation halftone dot that mixes random distribution in the Screening Image signal; Through the well-regulated redistribution of M-ary orthogonal Modulation and Amplitude Modulation (QAM), thereby be created on the mixing Screening Image signal that embeds anti-counterfeiting information in the full page site, realize anti-counterfeit printing.
2. according to claim 1 based on the amplitude-modulated printed matter enciphering anti-fake printing method of M-ary orthogonal, it is characterized in that: chnnel coding can adopt loop coding, convolutional encoding or Turbo coding.
3. according to claim 1 based on the amplitude-modulated printed matter enciphering anti-fake printing method of M-ary orthogonal, it is characterized in that: anti-counterfeiting information can be image information, Word message or trademark information.
CN2010101153063A 2010-03-01 2010-03-01 Presswork encryption security printing technology based on multi-system quadrature amplitude modulation Expired - Fee Related CN101777134B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101153063A CN101777134B (en) 2010-03-01 2010-03-01 Presswork encryption security printing technology based on multi-system quadrature amplitude modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101153063A CN101777134B (en) 2010-03-01 2010-03-01 Presswork encryption security printing technology based on multi-system quadrature amplitude modulation

Publications (2)

Publication Number Publication Date
CN101777134A CN101777134A (en) 2010-07-14
CN101777134B true CN101777134B (en) 2012-05-23

Family

ID=42513592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101153063A Expired - Fee Related CN101777134B (en) 2010-03-01 2010-03-01 Presswork encryption security printing technology based on multi-system quadrature amplitude modulation

Country Status (1)

Country Link
CN (1) CN101777134B (en)

Families Citing this family (171)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102184428B (en) * 2011-04-14 2013-04-10 北京印刷学院 Encrypting anti-counterfeiting printing technology for modulating shapes of amplitude modulation dots of printed work through binary-system encrypting signal
CN102402696A (en) * 2011-04-25 2012-04-04 北京印刷学院 Multi-dimensional encryption anti-counterfeiting printing technology based on binary signals
CN102201100B (en) * 2011-05-10 2013-04-24 朱清明 Object anti-counterfeiting method and system
CN102945406A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter transposition variable-sequence encrypted binary anti-counterfeiting printing method
CN102945475A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, gradient, reverse, synchronous and progressive encryption type binary anti-counterfeit printing method
CN102945442A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, gradient, stepping, right-shifting and increasing encryption type binary anti-counterfeit printing method
CN102945424A (en) * 2012-10-22 2013-02-27 常州轻工职业技术学院 Anti-fake printing method by two-dimensional encryption
CN102945490B (en) * 2012-10-22 2015-04-22 北京印刷学院 Single-parameter and double-variable-sequence encryption type binary anti-counterfeit printing method
CN102945416A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-variable, three-dimensional and parameter-displacement encryption type binary anti-counterfeit printing method
CN102945450A (en) * 2012-10-22 2013-02-27 北京印刷学院 Parameter-displacement, double-variable and one-dimensional encryption type binary anti-counterfeit printing method
CN102945417A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter bivariate opposite synchronous progressive encrypted binary anti-counterfeiting printing method
CN102945414B (en) * 2012-10-22 2015-05-13 北京印刷学院 Single-variable and parameter-displacement encryption type binary anti-counterfeit printing method
CN102945483A (en) * 2012-10-22 2013-02-27 北京印刷学院 Binary anti-fake printing method by multiparameter opposite-direction ascending encryption
CN102955966B (en) * 2012-10-22 2015-05-13 北京印刷学院 Binary anti-counterfeit printing method by reverse synchronous increasing encryption
CN102945484A (en) * 2012-10-22 2013-02-27 北京印刷学院 Binary anti-fake print method encrypting in opposite gradual increasing way
CN102945425B (en) * 2012-10-22 2015-09-16 广东石油化工学院 Multiparameter scale-of-two enciphering anti-fake printing method
CN102945471A (en) * 2012-10-22 2013-02-27 北京印刷学院 Binary anti-fake print method encrypting in opposite synchronous increasing way
CN102945430A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, single-variable, double-increasing and circulating encryption type binary anti-counterfeit printing method
CN102945398A (en) * 2012-10-22 2013-02-27 北京印刷学院 Double-variant third-order progressive encryption binary anti-counterfeiting printing method
CN102945485A (en) * 2012-10-22 2013-02-27 北京印刷学院 Binary anti-fake printing method by multiparameter left-shift deflection stepped progressing encryption
CN102945394A (en) * 2012-10-22 2013-02-27 北京印刷学院 Data gradually-increased sequentially-changed encryption binary anti-counterfeiting printing method
CN102945399A (en) * 2012-10-22 2013-02-27 北京印刷学院 Triple gradually-increased encryption binary anti-counterfeiting printing method
CN102945444B (en) * 2012-10-22 2015-07-01 北京印刷学院 Shift left displacement stepping increasing encryption binary anti-counterfeit printing method
CN102945477B (en) * 2012-10-22 2015-07-15 北京印刷学院 Binary anti-fake printing method by two-dimensional encryption
CN102945474A (en) * 2012-10-22 2013-02-27 北京印刷学院 Relative synchronous gradually-increased encryption binary anti-counterfeiting printing method
CN102955961B (en) * 2012-10-22 2015-05-13 北京印刷学院 Binary anti-counterfeit printing method by single-parameter gradient and opposite synchronous-progressing encryption
CN102945479B (en) * 2012-10-22 2015-07-15 北京印刷学院 Multi-parameter bivariate left shift displacement stride progressive encrypted binary anti-counterfeiting printing method
CN102945498A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter progressive variable-sequence encrypted binary anti-counterfeiting printing method
CN102945437B (en) * 2012-10-22 2015-07-01 北京印刷学院 Parameter-displacement, double-variable and two-dimensional encryption type binary anti-counterfeit printing method
CN102945500B (en) * 2012-10-22 2015-04-22 北京印刷学院 Single-parameter, single-variable, double-progressive and circulating encryption type binary anti-counterfeit printing method
CN102945389A (en) * 2012-10-22 2013-02-27 北京印刷学院 Double-variant two-dimensional gradually-increased encryption binary anti-counterfeiting printing method
CN102945423B (en) * 2012-10-22 2015-07-15 北京印刷学院 Single-parameter displacement variable-sequence encrypted binary anti-counterfeiting printing method
CN102945486A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, gradient, stepping, right-shifting and progressive encryption type binary anti-counterfeit printing method
CN102945390A (en) * 2012-10-22 2013-02-27 北京印刷学院 Double-variant third-order encryption binary anti-counterfeiting printing method
CN102955965B (en) * 2012-10-22 2015-05-13 北京印刷学院 Binary anti-counterfeit printing method by single-parameter gradient and opposite synchronous-increasing encryption
CN102945387B (en) * 2012-10-22 2015-05-20 北京印刷学院 Multi-parameter graded encrypted binary anti-counterfeiting printing method
CN102945391B (en) * 2012-10-22 2015-07-15 北京印刷学院 Same-directional synchronous gradually-increased encryption binary anti-counterfeiting printing method
CN102945434A (en) * 2012-10-22 2013-02-27 北京印刷学院 Double-variant two-dimensional progressive encryption binary anti-counterfeiting printing method
CN102945407B (en) * 2012-10-22 2015-05-20 北京印刷学院 Single-parameter first-order encrypted binary anti-counterfeiting printing method
CN102945422A (en) * 2012-10-22 2013-02-27 北京印刷学院 Shift left displacement stepping increasing encryption binary anti-counterfeit printing method
CN102945432A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-variable and progressive encryption type binary anti-counterfeit printing method
CN102945420B (en) * 2012-10-22 2015-05-06 北京印刷学院 Multi-parameter homodromous synchronous progressive encrypted binary anti-counterfeiting printing method
CN102955964B (en) * 2012-10-22 2015-05-20 北京印刷学院 Binary anti-counterfeit printing method by single-parameter gradient and leftward-shifting deflecting and stepping increasing encryption
CN102945386A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-variable encryption type binary anti-counterfeit printing method
CN102945499A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter displacement three-dimensional univariate incremental cycle encrypted binary anti-counterfeiting printing method
CN102945502A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-variable and three-dimensional encryption type binary anti-counterfeit printing method
CN102945494A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-variable, double-parameter-displacement and increasing encryption type binary anti-counterfeit printing method
CN102945402A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter stride right shift progressive encrypted binary anti-counterfeiting printing method
CN102945392A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, gradient, opposite, synchronous and progressive encryption type binary anti-counterfeit printing method
CN102945415A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter opposite synchronous progressive encrypted binary anti-counterfeiting printing method
CN102945473A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter, gradient, opposite and increasing encryption type binary anti-counterfeit printing method
CN102955962B (en) * 2012-10-22 2015-07-15 北京印刷学院 Double variant multi-parameter relative synchronous progressive increased encrypted binary anti-fake printing method
CN102945397A (en) * 2012-10-22 2013-02-27 北京印刷学院 Variable-sequence, right-shifting, stepping and increasing encryption type binary anti-counterfeit printing method
CN102945491A (en) * 2012-10-22 2013-02-27 北京印刷学院 Single-parameter displacement three-dimensional displacement encrypted binary anti-counterfeiting printing method
CN102945427B (en) * 2012-10-22 2015-10-28 北京印刷学院 Three-dimensional change sequence one-parameter encrypted binary antiforging printing method
CN102945468B (en) * 2012-10-22 2015-07-15 北京印刷学院 Double-encryption binary anti-counterfeiting printing method
CN102945404A (en) * 2012-10-22 2013-02-27 北京印刷学院 Multi-parameter reverse synchronous incremental encrypted binary anti-counterfeiting printing method
CN102945401B (en) * 2012-10-22 2015-05-20 北京印刷学院 Multi-parameter stride right shift incremental encrypted binary anti-counterfeiting printing method
CN102945487A (en) * 2012-10-22 2013-02-27 北京印刷学院 Same-directional synchronous progressive encryption binary anti-counterfeiting printing method
CN102945395A (en) * 2012-10-22 2013-02-27 北京印刷学院 Binary anti-fake printing method by two-order variable-parameter encryption
CN102945385A (en) * 2012-10-22 2013-02-27 北京印刷学院 Double-variant third-order gradually-increased encryption binary anti-counterfeiting printing method
CN103116785A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter multivariable unitary circulation encryption anti-fake information storage trademark
CN103106497A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate binary variable cycle encryption anti-fake information storage trademark
CN103106493A (en) * 2013-01-22 2013-05-15 北京印刷学院 Parameter transmutation ternary circulation encryption anti-fake information storage trademark
CN103106515A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate parameter gradation unitary encryption anti-fake information storage trademark
CN103106470A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate multi-parameter gradient binary variable circulating encryption anti-fake information storage trademark
CN103106513A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter univariate poly encryption anti-fake information storage trademark
CN103106428A (en) * 2013-01-22 2013-05-15 北京印刷学院 One-parameter unary circulating encryption anti-fake information storage brand
CN103136564B (en) * 2013-01-22 2015-10-28 北京印刷学院 Multi-parametric-vargradient gradient polynary circulation anti-fake information storage trademark
CN103106459A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter transmutation multivariable cycle multielement encryption anti-fake information storage trademark
CN103106442B (en) * 2013-01-22 2015-07-15 北京印刷学院 Single variable parameter transmutation multi-element encryption anti-fake information storage trademark
CN103106490A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter polytomy variable cycle encryption anti-fake information storage trademark
CN103106435A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate ternary variable cycle encryption anti-fake information storage trademark
CN103116799A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter multivariable multivariate circulation encryption anti-fake information storage trademark
CN103116781A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multivariable multi-parameter gradient ternary variable circulation encryption anti-fake information storage trademark
CN103106519A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable double-layer gradient polynary encryption anti-fake information storage trademark
CN103116786A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter variable gradient binary encryption anti-fake information storage trademark
CN103136566A (en) * 2013-01-22 2013-06-05 北京印刷学院 Parametric variable gradient polynary encryption anti-fake information storage trademark
CN103116780A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multivariable parameter gradient binary circulation encryption anti-fake information storage trademark
CN103116794A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter variable gradient binary variable circulation encryption anti-fake information storage trademark
CN103106472A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate multi-parameter gradient polynary circulating encryption anti-fake storage trademark
CN103106503A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate multi-parameter gradient polynary encryption anti-fake information storage trademark
CN103106521A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate ternary encryption anti-fake information storage trademark
CN103106434A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter univariate polynary variable circulating encryption anti-fake information storage trademark
CN103106445A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter multivariable binary encryption anti-counterfeiting information storage trademark
CN103106487A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter variable transmutation unitary circulation encryption anti-counterfeiting information storage trademark
CN103106484A (en) * 2013-01-22 2013-05-15 北京印刷学院 Parameter transmutation multi-element circulation encryption anti-fake information storage trademark
CN103106505A (en) * 2013-01-22 2013-05-15 北京印刷学院 One-parameter double-variant ternary encryption anti-fake information storage brand
CN103106469A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter multivariable unitary encryption anti-counterfeiting information storage trademark
CN103106483A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter ternary encryption anti-fake information storage brand
CN103136561A (en) * 2013-01-22 2013-06-05 北京印刷学院 One-parameter multi-variable binary circulating encryption anti-fake information storage brand
CN103106460A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient hierarchical gradient polynary encryption anti-fake storage trademark
CN103106452A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate parameter gradation unitary circulating encryption anti-fake information storage trademark
CN103116795A (en) * 2013-01-22 2013-05-22 北京印刷学院 One-parameter multivariate ternary encryption anti-fake information storage trademark
CN103106496A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter unitary circulating encryption anti-fake information storage brand
CN103106491B (en) * 2013-01-22 2015-08-19 北京印刷学院 Single parameter variable transmutation ternary circulation anti-fake information storage trademark
CN103106436A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate unitary cycle encryption anti-fake information storage trademark
CN103106510A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter multivariant circulating encryption anti-fake information storage brand
CN103136567A (en) * 2013-01-22 2013-06-05 北京印刷学院 One-parameter variable gradient binary encryption anti-fake information storage brand
CN103106504A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single variable parameter transmutation binary encryption anti-fake information storage trademark
CN103106489A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter ternary encryption anti-counterfeiting information storage trademark
CN103106522B (en) * 2013-01-22 2015-07-15 北京印刷学院 Multi-variable-parameter gradient binary-variant circulating encryption anti-fake information storage brand
CN103106427A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter multiple-encryption anti-counterfeiting information storage trademark
CN103106453A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter ternary variant circulating encryption anti-fake information storage brand
CN103106525A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multielement encryption anti-fake information storage trademark
CN103106516A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate multi-parameter gradient binary encryption anti-fake information storage trademark
CN103106439A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multivariable binary encryption anti-fake information storage trademark
CN103106446A (en) * 2013-01-22 2013-05-15 北京印刷学院 One-parameter unary encryption anti-fake information storage brand
CN103116796A (en) * 2013-01-22 2013-05-22 北京印刷学院 One-parameter variation transmutation unary encryption anti-fake information storage trademark
CN103123693B (en) * 2013-01-22 2015-09-09 北京印刷学院 One-parameter binary-encryption anti-fake information storage trademark
CN103106480A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter ternary multivariant circulating encryption anti-fake information storage brand
CN103106432A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient unitary circulating encryption anti-fake information storage trademark
CN103106482A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate binary encryption anti-fake information storage trademark
CN103106448A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single variable parameter transmutation binary variable circulation encryption anti-fake information storage trademark
CN103106429B (en) * 2013-01-22 2015-10-28 北京印刷学院 Single variable parameter transmutation ternary variable circulation anti-fake information storage trademark
CN103106441A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-variable-parameter gradient multi-variant encryption anti-fake information storage brand
CN103106488A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-variable-parameter gradient ternary-variant circulating encryption anti-fake information storage brand
CN103106477A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter binary multivariant circulating encryption anti-fake information storage brand
CN103106447A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter binary variable circulation encryption anti-counterfeiting information storage trademark
CN103116789A (en) * 2013-01-22 2013-05-22 北京印刷学院 One-parameter double variant ternary circulation encryption anti-fake information storage trademark
CN103106494A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-variable-parameter gradient multi-variant circulating encryption anti-fake information storage brand
CN103106500A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single variable parameter transmutation unitary encryption anti-counterfeiting information storage trademark
CN103106514A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter binary encryption anti-fake information storage brand
CN103116798A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter ternary cycle encryption anti-counterfeiting information storage trademark
CN103136562B (en) * 2013-01-22 2015-10-28 北京印刷学院 Multivariable parameter gradient multivariate variable circulation encryption anti-fake information storage trademark
CN103106486A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter multivariable ternary circulation encryption anti-counterfeiting information storage trademark
CN103116797A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multivariable multi-parameter gradient multivariate variable circulation encryption anti-fake information storage trademark
CN103106473A (en) * 2013-01-22 2013-05-15 北京印刷学院 One-parameter double-variant binary encryption anti-fake information storage brand
CN103116793B (en) * 2013-01-22 2015-11-18 北京印刷学院 Multivariable multi-parameter gradient binary circulation encryption anti-fake information storage trademark
CN103106506A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient ternary encryption anti-fake information storage trademark
CN103106475A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient ternary variable circulating encryption anti-fake information storage trademark
CN103106495A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient ternary circulating encryption anti-fake information storage trademark
CN103106512A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multivariable ternary encryption anti-fake information storage trademark
CN103106455B (en) * 2013-01-22 2015-10-28 北京印刷学院 Multiparameter univariate binary cycle encryption anti-fake information storage trademark
CN103106507A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter univariate unitary encryption anti-fake information storage trademark
CN103106461A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multivariable unitary encryption anti-fake information storage trademark
CN103106520A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multivariable binary cycle encryption anti-fake information storage trademark
CN103106440A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parameter unitary encryption anti-fake information storage brand
CN103116773A (en) * 2013-01-22 2013-05-22 北京印刷学院 Parameter transmutation ternary variable circulation encryption anti-fake information storage trademark
CN103116787A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter variable gradient unitary encryption anti-fake information storage trademark
CN103106431A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient binary circulating encryption anti-fake information storage trademark
CN103116791A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter multivariate multivariable circulation encryption anti-fake information storage trademark
CN103106444A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single variable parameter transmutation ternary encryption anti-fake information storage trademark
CN103106511A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multivariate multi-parameter gradient unitary circulating encryption anti-fake information storage trademark
CN103106451A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-variable-parameter gradient ternary-variant circulating encryption anti-fake information storage brand
CN103106462A (en) * 2013-01-22 2013-05-15 北京印刷学院 One-parameter double-variant multi-variant circulating encryption anti-fake information storage brand
CN103106471B (en) * 2013-01-22 2015-10-28 北京印刷学院 Single parameter variable transmutation ternary anti-fake information storage trademark
CN103116783A (en) * 2013-01-22 2013-05-22 北京印刷学院 Parameter transmutation binary variable circulation encryption anti-fake information storage trademark
CN103106526A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multiparameter multivariable ternary cycle encryption anti-fake information storage trademark
CN103136563A (en) * 2013-01-22 2013-06-05 北京印刷学院 One-parameter multi-variable multi-variant circulating encryption anti-fake information storage brand
CN103106508A (en) * 2013-01-22 2013-05-15 北京印刷学院 Single parameter ternary variable circulation encryption anti-counterfeiting information storage trademark
CN103106454A (en) * 2013-01-22 2013-05-15 北京印刷学院 Multi-parametric-variable gradient polynary variable circulating encryption anti-fake information storage trademark
CN103116800A (en) * 2013-01-22 2013-05-22 北京印刷学院 Multi-parameter univariable gradient multivariate encryption anti-fake information storage trademark
CN106183534A (en) * 2016-09-25 2016-12-07 北京印刷学院 Parameter layering gradient multivariate encrypted binary RMB anti-counterfeiting printing process
CN106427282A (en) * 2016-09-25 2017-02-22 北京印刷学院 Single parameter variable progressive-changing ternary layering encryption binary Ren Min Bi anti-counterfeit printing method
CN106427285A (en) * 2016-09-25 2017-02-22 北京印刷学院 Single-variable-parameter layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi
CN106183531A (en) * 2016-09-25 2016-12-07 北京印刷学院 Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process
CN106355623A (en) * 2016-09-25 2017-01-25 北京印刷学院 Single-parameter multi-variable binary layering encrypting binary RMB anti-counterfeiting printing method
CN106427280A (en) * 2016-09-25 2017-02-22 北京印刷学院 Binary information encryption certificate anti-counterfeit printing method
CN106427286A (en) * 2016-09-25 2017-02-22 北京印刷学院 Single-parameter single-variable unitary layered encryption type binary anti-counterfeit printing method for Ren Min Bi
CN106427283A (en) * 2016-09-25 2017-02-22 北京印刷学院 Single-parameter multi-variable multivariate layering encryption binary Ren Min Bi anti-counterfeit printing method
CN106183535A (en) * 2016-09-25 2016-12-07 北京印刷学院 One-parameter multivariate ternary layered encryption binary system RMB anti-counterfeiting printing process
CN106427284A (en) * 2016-09-25 2017-02-22 北京印刷学院 Parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi
CN106218263A (en) * 2016-09-25 2016-12-14 北京印刷学院 Univariate parameter layering transmutation unary encrypted binary RMB anti-counterfeiting printing process
CN106183532A (en) * 2016-09-25 2016-12-07 北京印刷学院 One-parameter univariate binary layered encryption binary system RMB anti-counterfeiting printing process
CN106355622A (en) * 2016-09-25 2017-01-25 北京印刷学院 Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method
CN106183530A (en) * 2016-09-25 2016-12-07 北京印刷学院 One-parameter variation transmutation multivariable layered encryption binary system RMB anti-counterfeiting printing process
CN106427279A (en) * 2016-09-25 2017-02-22 北京印刷学院 Multi-information encryption certificate anti-counterfeit printing method
CN106218262A (en) * 2016-09-25 2016-12-14 北京印刷学院 One-parameter univariable ternary layered encryption binary system RMB anti-counterfeiting printing process
CN106183533A (en) * 2016-09-25 2016-12-07 北京印刷学院 Univariate parameter layering gradient multivariate encrypted binary RMB anti-counterfeiting printing process
CN106274136A (en) * 2016-09-25 2017-01-04 北京印刷学院 Parameter layering transmutation unary encrypted binary RMB anti-counterfeiting printing process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349182C (en) * 2006-04-12 2007-11-14 上海理工大学 Fake proof method for printing optical holographic watermark certificate
CN100469097C (en) * 2007-03-06 2009-03-11 北京大学 Method for abstracting graph and text infromation utilizing half-hue image networking hiding
CN100559396C (en) * 2007-06-25 2009-11-11 中山大学 But the multiple bit digital watermark method of a kind of anti printing and scanning and geometric transformation
CN101699845B (en) * 2009-10-20 2011-12-07 北京印刷学院 Encryption counterfeit printing technology of frequency modulated halftone dot space position for pseudo random signal modulation printed matter

Also Published As

Publication number Publication date
CN101777134A (en) 2010-07-14

Similar Documents

Publication Publication Date Title
CN101777134B (en) Presswork encryption security printing technology based on multi-system quadrature amplitude modulation
CN101699845B (en) Encryption counterfeit printing technology of frequency modulated halftone dot space position for pseudo random signal modulation printed matter
CN102184428B (en) Encrypting anti-counterfeiting printing technology for modulating shapes of amplitude modulation dots of printed work through binary-system encrypting signal
CN102225671A (en) Encrypted anti-counterfeit printing technology for modulating shape of printed matter amplitude-modulation screen dot by dual-encrypted signal
CN102402696A (en) Multi-dimensional encryption anti-counterfeiting printing technology based on binary signals
CN102194137A (en) Multi-dimensional encryption anti-counterfeiting printing technology based on shape of amplitude modified screen
CN102945425B (en) Multiparameter scale-of-two enciphering anti-fake printing method
CN102945387A (en) Multi-parameter graded encrypted binary anti-counterfeiting printing method
CN102945463A (en) Multi-parameter incremental displacement encrypted binary anti-counterfeiting printing method
CN102945407A (en) Single-parameter first-order encrypted binary anti-counterfeiting printing method
CN102945447A (en) Single-parameter first-order encrypted binary anti-counterfeiting printing method
CN102945448A (en) Single-parameter displacement univariate cycle encrypted binary anti-counterfeiting printing method
CN102945395A (en) Binary anti-fake printing method by two-order variable-parameter encryption
CN102945424A (en) Anti-fake printing method by two-dimensional encryption
CN102945451A (en) Single-parameter cycle double encrypted binary anti-counterfeiting printing method
CN102945426A (en) Single-parameter double encrypted binary anti-counterfeiting printing method
CN102945498A (en) Multi-parameter progressive variable-sequence encrypted binary anti-counterfeiting printing method
CN102945461A (en) Binary anti-counterfeit printing method based on three-dimensional encrypting anti-counterfeit information
CN102945496A (en) Double-variant two-dimensional encryption binary anti-counterfeiting printing method
CN102945388A (en) Dynamic variable-parameter double encrypted binary anti-counterfeiting printing method
CN102945438A (en) Multi-parameter bivariate stride right shift progressive encrypted binary anti-counterfeiting printing method
CN102945428A (en) Single-parameter three-dimensional encrypted binary anti-counterfeiting printing method
CN102945431A (en) Single-parameter cycle three-dimensional encrypted binary anti-counterfeiting printing method
CN102945477A (en) Binary anti-fake printing method by two-dimensional encryption
CN102945444A (en) Shift left displacement stepping increasing encryption binary anti-counterfeit printing method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120523

Termination date: 20130301