638results about How to "Improve anti-counterfeiting effect" patented technology

The invention provides an optical anti-counterfeiting element capable of overcoming the defect of few color types of the current optical anti-counterfeiting element. The optical anti-counterfeiting element comprises a substrate (2), a sub-wavelength embossment structure (5) and a coating (6) with a multi-layer structure, wherein the substrate (2) comprises a first surface (3) and a second surface (4); the sub-wavelength embossment (5) is formed on all or a part of the first surface (3); and the coating (6)with the multi-layer structure is formed on all or a part of the sub-wavelength embossment structure (5) and comprise a dielectric layer formed by dielectric material with refractive index less than 1.8.

The invention which relates to an optical instrument and detection imaging technique discloses a large field depth iris image acquisition system and a method based on a plurality of fixed-focus cameras. The system comprises an iris image collecting device and an image recognition device. The method comprises the following steps: respectively imaging the iris by means of the fixed-focus cameras having different imaging object distance ranges and producing a multi-path fixed-focus image results; choosing one or a plurality of multi-path fixed-focus image results through distance measurement or image quality evaluation method; carrying out image processing and identification of chosen qualified iris image data. The invention effectively integrates the imaging ranges of different fixed-focus cameras in the mode of self-adapting switchover, thereby taking advantages of the cameras and at same time removing disadvantages of the cameras, enlarging the integral imaging range of the acquisition system, and improving the feasibility of an iris recognition system. Compared with the prior iris imaging method adopting a zoom camera, the invention has the advantages of low cost, quick and noiseless focusing.

The embodiment of the invention provides a wireless hotspot SSID (service set identifier) naming method and a wireless hotspot identification method and equipment. The wireless hotspot SSID naming method provided by the invention is characterized in that an SSID comprises a user-defined field and an automatic generation field. The method for automatically generating a field comprises the following steps that wireless hotspot equipment obtains the product identification information of a wireless hotspot; according to the product identification information, a product identification field in the automatic generation field is generated; the wireless hotspot equipment identifies and obtains the MAC (media access control) address of the wireless hotspot; the MAC address of the wireless hotspot is generated into an MAC encrypted field according to a preset encryption algorithm. According to the method and the equipment provided by the embodiment of the invention, the wireless hotspot equipment can be automatically identified, paired and connected, and users do not need to select. According to the SSID, the type of the wireless hotspot equipment can be identified. Meanwhile, the encryption algorithm of the MAC address also plays a good SSID anti-forging effect.

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 discloses a method for manufacturing a transfer film. The method comprises the steps of (1) manufacturing a master die with Fresnel lens patterns and laser graph patterns, and then electroforming to form a die-pressing working plate; (2) mounting the die-pressing working plate on a die-pressing roller, coating a layer of ultraviolet curing embossed coating on a lower surface of a plastic film and enabling the ultraviolet curing embossed coating to be closely contacted with the die-pressing roller, and then curing the coating layer; (3) separating the ultraviolet curing embossed coating layer from the die-pressing working plate to obtain a transfer film. A method for manufacturing transfer aluminum-plating paper comprises the follow-up steps on the basis of the transfer film: (4) plating aluminum on the ultraviolet curing embossed coating layer to form an aluminum-plating layer; (5) coating a layer of oil paint on the aluminum-plating layer and then drying; (6) compounding the transfer film with printing paper, and then separating the ultraviolet curing embossed coating layer from the aluminum-plating layer to obtain the transfer aluminum-plating paper. According to the method, clear Fresnel lens patterns and laser graph patterns can be formed on the transfer film and the transfer aluminum-plating paper.

The invention provides a non-contact biometric feature identification method and system. The method comprises the following steps of: extracting biometric features of a visible light image and a near-infrared image collected in a non-contact way; calculating the similarity x1 between the biometric feature of the visible light image and a prestored visible light biometric feature template and the similarity x2 between the biometric feature of the near-infrared image and a prestored near-infrared light biometric feature template; and comparing a detected sample x=(x1 x2) consisting of x1 and x2 with a training sample to judge whether the detected sample belongs to a within-class sample, and if so, judging that the identification is successful. By using the method provided by the embodiment of the invention, the identification precision of the method is greatly higher than that of a single biometric feature identification way, and the problems of less feature information and low distinguishing precision caused by the adoption of the current single palm pulse identification way and poorer anti-fake capability caused by the adoption of a single palm print identification way can be solved.

The infrared camouflage fiber is composed of infrared and visible light fertile material 1-15%, fiber-forming high polymer 64-98%, coupling agent 0.1-3%, disperser 0.1-3%, and auxiliary additive 1-4%. It includes the following manufacturing procedures: 1) the preparation of infrared camouflage base, 2) preparation of spinning material. 3) Spinning and extension. It can be applied to trade marks, packing of name brands, certificates, bills, banking cards, stamps or invoices. It has good false proof and concealing effect, and long endurance.

The invention discloses a two-dimensional code, RFID (radio frequency identification) and GPS (global positioning system) trinity based electrical product positioning system and a positioning method thereof. The system is characterized by comprising a plurality of electrical products, handheld devices, servers and a positioning and monitoring platform; each electrical product is provided with a two-dimensional code card, an RFID tag and a GPS monitoring terminal; the handheld devices are used for reading the two-dimensional code cards and RFID tag information of the electrical products; the servers are loaded with information of the electrical products; the positioning and monitoring platform is used for displaying locations and distribution information of current operating electrical products in the background in real time; the GPS positioning terminals and the handheld devices are connected with the servers through wireless networks, and the servers are connected with the positioning and monitoring platform through the wireless networks or wired networks. The system has the advantages of completeness in function, high operability, convenience, rapidness, high efficiency and the like, and is applicable to links such as production and manufacture, circulation and sales, after-sales service or scrap recovery of the electrical products.

The invention discloses a light anti-falsification printing ink and the preparing method. The printing ink contains a light material which can emit another visible light under the excitation of one visible light, the content of the material accounting for 20-50% of the printing-ink weight. The preparing method; making mixing, pre-separation and rolling on the light material and the printing-ink connecting material to get it. The printing ink can be used to the anti-falsification printing of the carrier like bill and to the carrier needing identification, and the detecting method; use the visible light to excite, and detect another one emitted from the impression.

The invention discloses an anti-counterfeit label based on a patterned metal nanocomposite and a production method of the anti-counterfeit label. The anti-counterfeit label comprises a base material adopting a hard or flexible material and a patterned metal and polystyrene sphere composite nanostructure which is formed on the base material, wherein the patterned metal and polystyrene sphere composite nanostructure comprises a polystyrene microphere array coating the surface of the base material and a metal layer plated on the polystyrene microsphere array. The anti-counterfeit label is characterized in that colorful structured lights can be generated through a surface plasma resonance phenomenon, so as to form clear and recognizable pattern labels; a specific organic matter combination with Raman scattering activity is further added to be used for hiding or reading encrypted information at higher anti-counterfeit grades. As an anti-counterfeit label material, the anti-counterfeit label achieves multiple anti-counterfeit characteristics, has the characteristics of being high in anti-counterfeit grade, convenient to use, and the like, and can be widely applied to the industries of pharmacy, food, aircraft parts, automobile parts, brand-name clothes, luxuries, artworks, and the like.

The invention relates to an uncovered anti-shifting paper laser anti-counterfeit label and a preparation method thereof. The laser anti-counterfeit label comprises a surface printed layer, a plasticized layer, data printed layers, a glue layer and a bottom paper layer. The laser anti-counterfeit label is characterized in that the data printed layers include a first data printed layer and a second data printed layer. A first water-based gloss oil layer is arranged on the upper surface of the surface printed layer, the first data printed layer is positioned on the first water-based gloss oil layer, and an oil-based gloss oil layer, a cover layer and a caption layer are sequentially arranged on the upper surface of the first data printed layer. A rainbow laser paper layer is arranged beneath the surface printed layer; the plasticized layer is arranged beneath the rainbow laser paper layer; an isolation layer and a second water-based gloss oil layer are sequentially arranged beneath the plasticized layer; the second data printed layer is positioned beneath the second water-based gloss oil layer. A white oil ink layer is arranged beneath the second data printed layer; the glue layer is positioned beneath the white oil ink layer; the bottom paper layer is positioned beneath the glue layer and is externally provided with a black ink layer. The laser anti-counterfeit label not only has multiple anti-counterfeit functions and a good anti-counterfeit effect, can not be counterfeited by counterfeiters easily and is attractive in appearance.

The invention relates to a variable quick response code based whole-course credible tracing-back system for the quality safety of an agricultural product. A variable quick response code label is generated, agricultural product information is collected and stored in a database, the database is connected to an agricultural product safety tracing platform, and the variable quick response code label is printed on an external package of the agricultural product; agricultural product safety tracing equipment reads and decodes the variable quick response code label in the plantation, transport, pesticide residue detection, processing, packaging and sales links of the agricultural product, and decoding data and user data are uploaded; the agricultural product safety tracing platform receives the uploaded decoding data and user data, and a matching result is returned to the agricultural product safety tracing equipment. The different manufacturing links of the agricultural product are monitored, traced back and managed transparently by utilizing advantages of higher tolerance and anti-falsification of the variable quick response code, the credibility of the whole quality safety tracking and back tracing process of the agricultural product is improved, and the monitoring workload of the government is reduced.

A bar-code anti-counterfeiting card pertains to electric card technique field, which is characterized in that two or more than two anti-counterfeiting bar-codes are provided on the main body of the card, wherein, one bar-code is the anti-counterfeiting main bar-code, the others are anti-counterfeiting auxiliary bar-codes; the anti-counterfeiting main bar-code is a bar-code in which the data has been encrypted by the preset encryption algorithm; the anti-counterfeiting auxiliary bar-codes are bar-codes that encrypt data based on the anti-counterfeiting main bar-code enciphered data or raw data; at least one of the anti-counterfeiting main bar-code and the anti-counterfeiting auxiliary bar-codes is the invisible bar-code. Compared with the prior technique, the invention has the following advantages: multiple anti-counterfeiting and good anti-counterfeiting effect; effective reduced processing costs, ensured use universality of the anti-counterfeiting card; capability of dividing the enciphered data write-in process into a plurality of stages according to different requirements due to the peculiarity that the bar-code can be printed at any moment and the radio frequency label can be read and written. The invention can be extensively used into landscape and park entrance tickets, tickets, various member cards and electric debit cards, bank cards field.

The invention relates to an anti-counterfeiting method for combining near-infrared absorbing ink and near-infrared non-absorbing ink. Near-infrared absorbing ink is processed from near-infrared absorbing material and ink binder, and near-infrared non-absorbing ink is processed from near-infrared non-absorbing material and ink binder. The combined anti-counterfeiting method is to use near-infrared absorbing ink to print patterns on the substrate; near-infrared non-absorbing anti-counterfeiting ink printing partially or completely covers the pattern printed with near-infrared absorbing ink to hide the pattern printed by near-infrared absorbing ink; near-infrared identification equipment Use an infrared beam matching the near-infrared-absorbing ink to irradiate and take pictures of the pattern. After the infrared light source illuminates the pattern to be recognized, the pattern printed by the near-infrared-absorbing ink reflects specific near-infrared light. The pattern information is amplified by the lens module and passed through The image is filtered by the filter, and the pattern sensor obtains the coded image, which is converted into corresponding digital information by the signal processor in the near-infrared identification device to identify the authenticity.

The invention discloses a manufacturing method for an integration anti-counterfeit label. The manufacturing method of the integration anti-counterfeit label comprises a transparent anti-counterfeit film layer, a glue layer and a print layer which is directly printed on an outer packing carrier of a product. The transparent anti-counterfeit film layer is a local locating covering film. The area of the glue layer and the area of the transparent anti-counterfeit film layer are smaller than the area of the print layer. According to the manufacturing method of the integration anti-counterfeit label, the anti-counterfeit label is combined with a packing product, and the fact that a counterfeiter maliciously uncovers the anti-counterfeit label and re-pastes and reuses the anti-counterfeit is avoided. Meanwhile, due to the fact that a basilar film is saved, coating is not needed, energy consumption is reduced, production cost is saved, a plurality of anti-counterfeit technologies are combined, the manufacturing method of the integration anti-counterfeit label is good in anti-counterfeit effect, and counterfeiting is difficult.

The invention discloses a source-tracing anti-counterfeiting system for RFID. The system comprises a database server, a production source RFID reader, a detection source RFID reader, a stock control RFID reader, a dealer terminal RFID reader, a retainer RFID reader, a consumer handheld verification RFID reader and a commodity-attached RFID anti-counterfeit label, wherein each RFID reader is in a communication connection with the database server through a network and in a wireless read-write communication connection with the commodity-attached RFID anti-counterfeit label. According to the system, electronic read-write operation is performed on the RFID anti-counterfeit label adhered to the opening of a product package through the RFID readers, the place of origin, processing information, detection information and detailer information of a product are written in or read out, anti-counterfeiting inquiry for the product attached with the RFID anti-counterfeit label is facilitated for a manufacturer, a detailer or a terminal user, the overall situation of production of the product can be known, and the anti-counterfeiting effect is good.

The invention relates to an anti-counterfeit self-adhesive label with a holographic positioning effect. The anti-counterfeit self-adhesive label with the holographic positioning effect comprises the steps that a film made by polyethylene terephthalate materials is prepared, the thickness of the film ranges from 25 microns to 50 microns, and the double faces of the film are coated with waterborne coatings through a gravure press; one face of the obtained film is coated with UV gloss oil through the gravure press, when the UV gloss oil is in a semi-solidified state, cold pressing is conducted on the surface, coated with the UV gloss oil, of the film by utilizing a nickel plate which is engraved with Fresnel lens groove textures, UV solidification is conducted, and mirror patterns of the Fresnel lens are left on the UV gloss oil of the surface of the film; an aluminum layer is electroplated on the obtained film surface with the UV gloss oil through a vacuum aluminum-plating process and serves as a light reflective layer, cleaning is conducted on aluminum, water washing or alkaline washing is conducted on the parts which do not need bottom reflecting layers, and the aluminum layer is washed away. The anti-counterfeit self-adhesive label with the holographic positioning effect has the advantages of being dazzling and bright in color, slow in color fading in the light and better in anti-counterfeit effect.

The invention discloses an electronic tag based anti-counterfeiting method and system. The method comprises the following steps of reading a two-dimensional code and / or an NFC (Near Field Communication) chip on an electronic tag of a commodity to open a WEB page; downloading anti-counterfeiting software from the WEB page; uploading and analyzing encrypted information in the two-dimensional code and / or the NFC chip through the anti-counterfeiting software; and according to an analysis result, downloading anti-counterfeiting tracing result data of the commodity to identify the authenticity of the commodity. By implementing the technical scheme provided by the invention, the two-dimensional code and / or the NFC chip comprises download link information and anti-counterfeiting encrypted information simultaneously, so that a mobile terminal automatically skips to a download link page to download the anti-counterfeiting software firstly after scanning the two-dimensional code and / or the NFC chip; and the anti-counterfeiting encrypted information is uploaded to a background database through the anti-counterfeiting software to perform analysis, and the anti-counterfeiting tracing result data of the commodity is fed back into the anti-counterfeiting software for display to identify the authenticity of the commodity. Therefore, the use of the electronic tag is simpler and more convenient and the anti-counterfeiting effect is better.

The invention relates to a near-infrared absorption anti-counterfeiting method, comprising a near-infrared absorption anti-counterfeiting ink and a special invisible bar code identification pen, the near-infrared absorption anti-counterfeiting ink is used for printing one dimensional code, two-dimension code and numerical code information, the special invisible bar code identification pen can read the one dimensional code, two-dimension code and numerical code information under the action of high-energy rays, so as to judge true and false and achieve anti-counterfeiting purpose. Users can select the one dimensional code, two-dimension code and numerical code information arbitrarily according to needs, thereby achieving anti-counterfeiting uniqueness, in addition, the decoding and analysis of the one dimensional code, two-dimension code and numerical code information printed by the near-infrared absorption anti-counterfeiting ink are difficult, and imitation difficulty is high. The near-infrared absorption anti-counterfeiting method integrates multiple disciplines and multi-field, the production equipment investment is high and the production process is complex.

The invention relates to a device used for producing three-component skin core type fibers, comprising a gland, a first inner sand cup, a second inner sand cup, a first distribution plate, a second distribution plate, a third distribution plate, a fourth distribution plate and a spinneret plate, wherein three melts enter from three melt inlets, then enter into the spinneret plate after passing through the four distribution plates and are extruded from micropores on the spinneret plate, and each wire beam is respectively composed of three different components, namely inner component, medium component and outer component. The panel of each distribution plate is provided with flow channels, and melts comprising different components are distributed by different flow channels, thus fibers with different sectional shapes are formed. The spinning assembly provided by the invention is in a cup-type structure that the lower part is wide and the upper part is compact, and the melts extruded by each micropore on the spinneret plate are in the same pressure and flow distribution. In the invention, the types of the melts are changed or colour master batches in different colours are added to produce different three-component fibers or anti-counterfeit fibers, and the anti-counterfeiting effect is obviously improved compared with single-component fibers and bi-component composite fibers.

The invention relates to a method for preparing multi-component composite fibers. The method includes the steps that after vacuum drying is conducted on three polymer slices, the three polymer slices are respectively conveyed to three screw extruders for fusion, melts of the three polymer slices are obtained, then, composite spinning and cross air blast cooling are conducted, nascent fibers are obtained, eventually, the nascent fibers are wound into cylinders by a winding machine through tension control of a godet, and the multi-component composite fibers are obtained. The three-component composite fibers of different varieties can be produced by changing varieties of melts or adding color master batches of different colors in components, the method can be applied to the anti-fake field, and the anti-fake effect of the three-component composite anti-fake fibers is obviously improved compared with the anti-fake effect of single-component fibers and the anti-fake effect of bi-component composite fibers.

The invention relates to the field of anti-counterfeiting authentication, and discloses an anti-counterfeiting authentication processing method, a transaction terminal and a processing system. The method mainly comprises the following steps: receiving authentication associated information uploaded by a transaction terminal through a server; according to an identity in the authentication associated information, determining whether the identity of a transaction product is consist with the identity of a product in an anti-counterfeiting database through the server; if so, adding transaction information in the authentication associated information into the anti-counterfeiting database, and uniquely corresponding the transaction information of the product to the identity. After receiving an authentication request of any one user, the server inquires whether the identity of a product to be authenticated is consist with the identity of a product in the anti-counterfeiting database, and if so, acquiring the transaction information of the product from the anti-counterfeiting database, and feeding back the transaction information to the user. Through the technical scheme disclosed by the invention, anti-counterfeiting effect of product is enhanced, and uniqueness and authenticity of authentication information acquired by customers are guaranteed.

The invention relates to an anti-fake label stick with hidden variable information. The anti-fake label stick comprises a paper layer 5. A surface printing layer 4, a data printing layer 3 and a covering layer 1 are arranged on one side of the paper layer 5 orderly from inside to outside, and a glue layer 9 is arranged on the other side of the paper layer 5. The anti-fake label stick is characterized in that a plasticizing layer 6, a dielectric layer 7 and a hidden information layer 8 are arranged orderly between the paper layer 5 and the glue layer 9. The data printing layer 3 in the anti-fake label stick has variable information codes. The anti-fake label stick with the hidden variable information is not easily replicated and has good anti-fake effects. The anti-fake label stick provided in the invention is applicable to various hang tags, securities, product qualification certificates and various certificates.

The invention discloses an anti-counterfeiting file, a method for manufacturing the same and a safety ticket. The anti-counterfeiting file comprises a transparent polymer base layer (1), a first pattern layer (2), a second pattern layer (3) and a third pattern layer (4). Metal printing ink is impressed and cured on the upper surface of the polymer base layer (1) to form the first pattern layer (2), gravure printing is carried out on curable printing ink on blank portions, except for the first pattern layer (2), of the upper surface of the polymer base layer (1) to form the second pattern layer (3), the third pattern layer (4) is arranged on the lower surface of the polymer base layer (1) and is provided with holographic structures, and the holographic structures are registered with first portions (9) and are formed by means of stamping.

The invention discloses an aluminium screw-on packaging jar, which comprises a jar bottom. The aluminium screw-on packaging jar has the essential scheme that the jar bottom is provided with a bottom side which is moulded downwards in an extruding manner and is protruded out of the jar bottom downwards; the edge of the bottom side extends upwards to form a jar cylinder; the jar cylinder is shrunk upwards to form a jar shoulder; the jar shoulder is shrunk upwards to form a jar neck; the jar neck is = provided with an annular groove and an inclined bulge loop which is arranged at the upper end of the annular groove to incline upwards; an external thread is arranged at the upper end of the inclined bulge loop of the jar neck; a jar opening with a lip is arranged at the opening end of the jar neck in a flanging manner. The invention further discloses a manufacturing method for the aluminium screw-on packaging jar. The method comprises the following steps: a, cutting; b, stamping; c, stretching the jar cylinder; d, finishing and polishing; f, cleaning; g, protecting; h, necking and moulding; and i, cleaning and leak hunting. The aluminium screw-on packaging jar has advantages of high anti-pressing and anti-twisting strength, simple structure, anti-counterfeiting performance and simplicity in manufacturing.

The invention discloses an anti-theft, anti-fake and leakage-proof packing bottle for daily chemical products. The anti-theft, anti-fake and leakage-proof packing bottle for the daily chemical products comprises an upper cover, a lower cover and a bottle body. A sealing needle is arranged on the inner surface of the upper cover, the outer side face of the front portion of the sealing needle is an annular conical surface, and a first buckling position sealing ring is arranged on the outer side face, adjacent to the annular conical surface, of the sealing needle. The lower portion of a water outlet hole of the lower cover is a conical hole, the conical hole is matched with the annular conical surface, a second buckling position sealing ring is arranged on the inner side face of the water outlet hole adjacent to the conical hole, a plurality of buckling positions are evenly distributed on the lower portion of the inner side wall of the lower cover, and a plurality of guide ribs are evenly distributed on the inner side wall of the lower cover. An anti-fake bar is arranged on the outer side face of the opening-closing part of the upper cover and the lower cover, a right-angle guide type buckling position ring is arranged on the outer surface of the lower portion of the bottle mouth of the bottle body, and the right-angle guide type buckling position ring is buckled with the buckling positions.

The invention discloses an ultraviolet double-wave excitation fluorescent transparent invisible anti-fake nano-paper preparation method which includes the steps: firstly, combining lanthanide complexes and ONFCs (oxide nano-cellulose fibers) to form fluorescent transparent nano-paper; secondly, printing fluorescent carbon dots on the nano-paper in a fixed-point manner to obtain double fluorescent transparent nano-paper with an invisible anti-fake tag. The novel fluorescent transparent anti-fake nano-paper with the invisible tag has double fluorescent effects under excitation of double-waveband ultraviolet. The prepared anti-fake nano-paper is highly transparent, the anti-fake tag cannot be identified in a visualized manner under visible light and has double-color fluorescent effects under specific ultraviolet wavelength, imitation difficulty is greatly improved, and the anti-fake performance is improved.

The invention relates to a gravure printing latent image print product and a method for manufacturing the same. The method comprises: making a substrate pattern by using offset printing, wherein the substrate pattern is a line pattern formed by repeatedly arranging a group of lines of three continuous primary colors or three colors of different color systems; dividing a latent image pattern in to a plurality of patterns with different color ranges formed by lines corresponding to the substrate pattern, wherein the lines of the latent image pattern are parallel with one another; moving lines of part of patterns with different color ranges forming the latent image pattern a certain distance relative to the line of the other patterns with different color ranges along a width direction of the lines to make the latent image pattern into a gravure printing plate; carrying out air pressure overprinting of the gravure printing plate and the substrate pattern part of an offset printer to overlap the colors of the talent image pattern and the substrate pattern, wherein the gravure printing latent image pattern of various and changeable colors can observed in spite of the blockage of concave lines; and forming a different latent image pattern vertical to the lines of the former latent image patter on the substrate pattern and obtaining the gravure printing latent image pattern which has various and changeable colors and can deform.

The invention relates to a laser anti-counterfeit marking method for a product with a complex profile. An anti-counterfeit mark pattern is designed in a specific anti-counterfeit zone, a vector pattern of an anti-counterfeit mark is split and a process reference point is selected by a specific splitting algorithm, short segments are scanned and machined according to specific process parameters, and finally the anti-counterfeit mark pattern can be marked on the surface of the product with the complex profile. Since position information, splitting information and machining process parameter information are carried in the anti-counterfeit mark pattern, counterfeiters need to obtain the accurate curved surface model of the complete profile, the accurate contour and position of the anti-counterfeit marking zone, the specific algorithm for splitting of the vector pattern of the anti-counterfeit mark, the specific algorithm for selection of the process reference point, laser process parameters of the short segments and the like for counterfeiting in addition to a laser machining device, all the information is key to counterfeiting, and thus technical difficulties in counterfeiting are improved. Therefore, the laser anti-counterfeit marking method has good anti-counterfeiting effects.

The invention discloses a two-dimensional code anti-fake method and system based on a domain name. Two-dimensional codes of enterprise domain name information, commodity information and passwords are generated and printed on anti-fake tags arranged on commodities, the two-dimensional codes of the anti-fake tags arranged on the commodities are shot by handheld intelligent terminals, a first level of anti-fake protection is formed by judging whether the two-dimensional codes are matched or not, a second level of anti-fake protection is formed by shifting into a domain name website webpage which the production enterprise of the consumed commodities belongs to through the two-dimensional domain name information on the anti-fake tags, and a third level of anti-fake protection is formed by verifying the true commodity snapshots obtained on the webpage through verification codes on the anti-fake tags and obtaining the commodity information. Thus, the authenticity of the commodities is judged, and the most direct, convenient and effective method is provided for consumers to identify the authenticity of the commodities.