82results about How to "Low anti-counterfeiting cost" patented technology

The invention discloses a multi-dimensional encryption anti-counterfeiting printing technology based on binary signals. According to the anti-counterfeiting printing technology, two-dimensional encryption anti-counterfeiting information can be generated into binary modulation signals by encryption and channel coding, and the anti-counterfeiting information is orderly changed in an amplitude modulation screening form and embedded into a whole page in a modulation mode of a circulating table look-up method, so that the anti-counterfeiting information can be identified from a random fragment during presswork identification. The technology has strong fragment resistance, can resist illegal copying behaviors based on a camera, a scanner, an electronic document and the like more effectively, and can be widely applied in the anti-counterfeiting field of presswork.

The invention discloses an encrypting anti-counterfeiting printing technology for modulating the shapes of amplitude modulation dots of a printed work through a binary-system encrypting signal. In the anti-counterfeiting printing technology, anti-counterfeiting information is subjected to encryption and channel coding to form a binary-system modulating signal and the anti-counterfeiting information is embedded into a whole page by sequentially changing the shapes of the amplitude modulation dots in a circulating table lookup modulation way. During recognition of the printed work, the anti-counterfeiting information can be recognized from any fragment, so the anti-breakage performance is high, the illegal replication based on a camera, a scanner, an electronic document and the like can be more effectively prevented and the technology can be extensively applied to the field of printed work anti-counterfeiting.

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.

The invention discloses an encrypted anti-counterfeit printing technology for modulating shape of a printed matter amplitude-modulation screen dot by a dual-encrypted signal; the anti-counterfeit printing technology can digitalize anti-counterfeit information to generate an octonary information table with eight bits in one group, and generate an octonary modulation signal by encrypting and channel coding, and embeds the anti-counterfeit information in the orderly change of the shape of the amplitude-modulation screen dot in the whole page by modulating the amplitude-modulation screen dot by a circular look-up table; the anti-counterfeit information can be recognized from any fragment when recognizing the printed matter; the encrypted anti-counterfeit printing technology has strong fragment-resistance so as to effectively resist illegal copying based on a camera, a canner and an electronic document, and can be widely applied to the printed matter anti-counterfeit field.

The invention discloses a commodity forgery prevention method based on two-dimensional codes, and relates to the technical field of forgery prevention. The method aims at improving a forgery prevention effect. The method comprises the steps that a unique two-dimensional code is printed on each commodity; the two-dimensional codes of the commodities are stored in a forgery prevention database of an authentication server; a commodity purchaser scans the two-dimensional codes on the commodities by utilizing a terminal; the two-dimensional codes are sent to the authentication server for authenticating the authenticity of the commodities; an authentication times threshold is set for each two-dimensional code in the forgery prevention database of the authentication server; after the two-dimensional code of one commodity is authenticated successfully once, the authentication server subtracts one from the authentication times threshold of the two-dimensional code of the commodity, and returns authentication success information to a user; and after the authentication success times of the two-dimensional code of one commodity exceed an initial value of the authentication times threshold, the two-dimensional code of the commodity is invalid. The method is low in forgery prevention cost and good in forgery prevention effect.

The invention belongs to the technical field of packaging anti-counterfeiting and discloses an anti-counterfeiting device, an anti-counterfeiting recognition device and a system for commodity packaging. Firstly, asymmetric encryption is performed on feature information containing commodity unique identification codes, a decryption public key corresponding to a encryption private key is implanted in encrypted ciphertext information to improve the encryption strength, corresponding encrypted two-dimensional code coded information is generated through the finally obtained ciphertext information, and the encrypted two-dimensional code coded information can be printed into a two-dimensional code label which is pasted at a seal of the commodity packaging through a printing device and can also be jet-printed at the seal of the commodity packaging through an ink jet printing device in a variable information printing mode. Simultaneously, the unique identification code of the commodity is printed on the commodity packaging in a plaintext mode. The plaintext information in the two-dimensional code label can be recognized and decrypted only through downloading corresponding two-dimensional code recognizing software in assigned service platforms and checking whether commodity unique identification codes accord with plaintext commodity unique identification codes on the commodity packaging, and the detection is convenient.

The invention relates to a method for proofing false certificates based on a lightweight level digital signature scheme, which belongs to the cryptography and the computer field, the method enables the unforgeability of the certificates to be corresponding to the safety of a public key digital signature scheme and comprises the three parts of a key generating part of certificate forgery, a digital signature part and an identification checking part, wherein the key generating part is used for generating a pair of a private key and a public key of a license-issuing authority, the digital signature part is used for generating signature codes to the Hash abstract of key information of the certificates for the license-issuing authority, the identification checking part is used for identifying authenticity of the certificates for a user end inquiry unit, the method is safe and has low cost, can prevent insiders of the license-issuing authority commit a crime, can replace official seals of companies and can widely used in distributing business of various certificates.

The invention discloses an anti-counterfeiting inspection device and an anti-counterfeiting method for anti-counterfeiting equipment. The anti-counterfeiting inspection device at least comprises an anti-counterfeiting inspection module, a recognition display module and a central processing unit (CPU). The anti-counterfeiting method includes: starting verification codes generated by the device, generating the verification codes into two-dimension code or digit mode; and intercepting two-dimension codes or digits and verifying the two-dimension codes or the digits. The anti-counterfeiting inspection device and the anti-counterfeiting method for anti-counterfeiting equipment can strictly perform anti-counterfeiting equipment verification, can improve anti-counterfeiting accuracy and reliability, enable customers or users to correctly recognize quality goods and counterfeited products, avoid counterfeiting of the anti-counterfeiting equipment by other people, and can avoid sale or circulation of the counterfeited products.

The invention discloses a one-object one-code commodity anti-counterfeiting and tracing system based on a digital watermark two-dimensional code. The system comprises a small commodity anti-counterfeiting and tracing system based on a digital watermark two-dimensional code and a tracing and checking WeChat program, a WeChat official account based on the digital watermark two-dimensional code and the tracing and checking WeChat program, and an application program based on the digital watermark two-dimensional code and the mobile phone tracing and checking program. Aiming at the problem that a general two-dimensional code technology cannot distinguish information authenticity and prevent counterfeiting, on the basis that a server computer generates a standard two-dimensional code, a productcode with one object one code is used as digital watermark information to be hidden in the two-dimensional code to generate an anti-counterfeiting label. Consumers purchase commodities, using a sourcetracing and checking WeChat applet or a source tracing and checking WeChat official account or a mobile phone terminal source tracing and checking application program to carry out digital watermark identification and reading on the two-dimensional code on the anti-counterfeit label. Traceability checking is carried out according to the existence of digital watermark information (product codes), the anti-counterfeiting traceability capability of the two-dimensional code is improved, and the double effects of effective counterfeiting prevention, tamper prevention and accurate tracking are achieved.

The invention discloses a PBAT full-biodegradable and anti-counterfeiting plastic bag and a preparation method thereof. The PBAT full-biodegradable and anti-counterfeiting plastic bag comprises the following components in parts by weight: 100 pars of PBAT and 0.1-20 parts of anti-counterfeiting masterbatch, wherein the anti-counterfeiting masterbatch comprises the following components in weight percentage: 27-99.9% of carrier resin, 0.01-15% of fluorescent powder, 0.01-65% of coding substance and 0-3.25% of additives; and the carrier resin is PBAT. The preparation method comprises the following steps: performing plastic extrusion on PBAT and the anti-counterfeiting masterbatch to a co-extrusion machine head by a large extruder and a small extruder respectively, extruding PBAT from the large extruder, extruding the anti-counterfeiting masterbatch from the small extruder, extruding a double-color bubble tube, and then performing inflation, traction, printing, coiling, bagging and punching to prepare the PBAT full-biodegradable and anti-counterfeiting plastic bag. An anti-counterfeiting strip and a PBAT film are fused into a whole by adopting a specific co-extrusion and film-blowing process, and the binding force is good; the production process is simple, the anti-counterfeiting cost is low, and the PBAT full-biodegradable and anti-counterfeiting plastic bag is easy to process, form and realize mass production; the authenticity identification and tracing of the PBAT full-biodegradable and anti-counterfeiting plastic bag are realized according to fluorescence characteristic and coding information on the anti-counterfeiting strip.

The invention relates to the field of part anti-counterfeiting identification, in particular to a workpiece anti-counterfeiting method based on part surface image matching, which comprises the following steps of factory workpiece surface image acquisition, image filtering, surface inherent texture extraction, database generation, texture feature image matching and anti-counterfeiting identification. The invention relates to a method for extracting a surface image of a workpiece by utilizing digital microscope equipment and identifying the authenticity of the workpiece by virtue of an image processing algorithm. By means of the anti-counterfeiting method, workpiece etching can be avoided, and nondestructive identification is achieved; an additional anti-counterfeiting label is not needed, so that the anti-counterfeiting cost is reduced; and the uniqueness of the surface texture of the workpiece is utilized, so that the anti-counterfeiting safety is extremely high.

Disclosed is an anti-fake method and application using random spray coverage patterns and a digital image contrast technology. The method relates to an anti-fake technology. The method comprises the following steps of A, random spray coverage patterns are formed by a spraying device; B, anti-fake patterns are collected and uploaded; C, operation of a verification end is conducted; D, a verification process is conducted. According to the method, by the cooperation of randomly spraying and code information stickers of commodity identification information, all anti-fake information of the commodities are integrated into entitative random patterns, anti-fake patterns are transmitted and contrasted by using an information technology, the anti-fake information is read to prevent anti-fake vulnerabilities in the circulation of the commodities, uniqueness and unduplicated performance of the commodities are ensured, mechanical random spraying is adopted in mass production, equipment is the same, but an obtained random state set is completely uncontrollable. The random spraying method has a good anti-fake effect, despite the fact that the anti-fake method is simple to operate, but the anti-fake effect is good, risks of being cracked do not exist, the anti-fake cost is low, and the method is easy to query and verify, and has extremely high market popularization and application value.

A falseproof system of double code consultation is composed of three parts as false proof code sticker including product coding sticker sticked at external part of product with produce sequence number and random cipher as well as calibrating code sticker sticked at internal part of product; query device including computer network query device and telephone inquiry device; and databank server at enterprise falseproof centre for storing product coding and calibrating code.

The invention provides a river crab anti-counterfeiting traceability method and system. The method comprises the following steps: obtaining a carapace image and a traceability code of a river crab to be traced; inputting the carapace image into a trained carapace feature extraction model, and obtaining carapace features of the to-be-traced river crab; querying the traceability code in a blockchain traceability database to obtain a query result; when the query result is that the traceability code exists in the blockchain traceability database, determining a reference carapace feature corresponding to the traceability code; and carrying out vector comparison processing on the carapace features and the reference carapace features to obtain a tracing result of anti-counterfeiting tracing of the to-be-traced river crabs. According to the river crab anti-counterfeiting traceability method and system provided by the invention, on the basis of the stability and uniqueness of the carapace characteristics of the river crabs, the blockchain technology is introduced, and the carapace characteristics of the river crabs to be traced are extracted, so that anti-counterfeiting traceability is completed, the credibility of river crab products of enterprises is improved to a great extent, the anti-counterfeiting cost is reduced, and the river crabs cannot be copied and counterfeited; and the reliability of the traceability result is improved.

The invention discloses a designated driving anti-counterfeiting/tracing method for a wine product; the method comprises the steps: enabling a designated driving system to receive a login request sent by a user terminal, so as to obtain a drunk driving code of the wine product; determining whether the drunk driving code is consistent with a drunk driving code in a designated driving system database or not, and if yes, opening designated driving permission to enable the user terminal to enter a designated driving process, wherein a designated driving system entrance two-dimensional code is arranged on the wine product packaging material, the login request is sent to the designated driving system when the user terminal scans a designated driving system entrance two-dimensional code, and the login request comprises a drunk driving code of the drunk product, and wherein in the designated driving system database, the drunk driving code and the wine product information are correspondingly stored, and the drunk driving code comprises an anti-counterfeiting code. According to the method, the designated driving drainage function of the product is realized, the anti-counterfeiting strength is enhanced, and the anti-counterfeiting cost is reduced.