36results about How to "Improve anti-counterfeiting security" patented technology

The invention discloses a non-contact CPU (Central Processing Unit) card entrance guard reader comprising a radio frequency part, a 485 communication part, a security module part, a Wigan output and external control part, a power supply part, an external connection part, a microcontroller part and other parts. The non-contact CPU card entrance guard reader is internally provided with a PSAM (Pilot Symbol Assisted Modulation) card and applies security certification read-write mechanisms of the PSAM card and a CPU card. The CPU card entrance guard reader builds an integral and strict key management system by adopting the security certification of the PSAM card and the CPU card, sufficiently uses the security characteristics of the CPU card and comprises key systems of the CPU card and the PSAM card; after a key is input into the PSAM card, the key cannot be externally read, the PSAM card is inserted into card reading equipment, two-way validation is carried out through the PSAM card and the CPU card, a verified message is calculated through the participation of random data, and a same card is different every time when swiped on one equipment, therefore a counterfeit card is thoroughly prevented.

The invention provides a compound anti-fake element; the structure at least comprises a liquid crystal material layer, a base material and an anti-fake coding layer, and the anti-fake coding layer is positioned on one side of the base material while the liquid crystal layer is positioned on the other side of the base material or the surface of the anti-fake coding layer; wherein, the liquid crystal material layer has optical security feature, the anti-fake coding layer has coding structure formed by permutation and combination in the features such as soft magnetism, hard magnetism, infrared absorption and reflection, infrared up-conversion and fluorescence, etc., and simultaneously, the coding structure can be the coding formed by the combination of one or a plurality of the features. The surface of the compound element can also be adhered with a protective layer and an adhesive layer. The compound anti-fake element of the invention compounds anti-fake features which provide mass identification by the liquid crystal material and special identification by virtue of the coding into a whole, thus having a rapid and convenient identification method with higher anti-fake capacity compared with a single anti-fake element.

The invention relates to a compound anti-counterfeiting element, which is provided with at least one liquid crystal material with optical properties, and at least one functional material with machine-readable properties, so that the element simultaneously has the optical properties, machine-readable infrared properties and machine-readable magnetic properties. Combining the optical variable anti-counterfeiting properties for mass recognition, infrared anti-counterfeiting properties for machine-readable recognition, and magnetic properties, the anti-counterfeiting element remarkably improves anti-counterfeiting safety, and has a higher anti-counterfeiting effect and a simpler identification method compared with a single anti-counterfeiting element. The invention also provides a valuable commodity which is provided with the compound anti-counterfeiting element.

The invention relates to an online refraction anti-counterfeiting printing method, which is achieved by the following steps: printing and adopting reverse glazing bottom oil and reverse glazing face oil on a printing surface; carrying out reverse crosslinking curing reaction under irradiation of an ultraviolet light, and forming a stereoscopic effect, wherein a color cell of the printer is adopted by the printing of the reverse glazing bottom oil, and dark fringes are added to the printed pattern. The online refraction anti-counterfeiting printing method has the beneficial effects that a refined refraction anti-counterfeiting pattern is produced by the high-definition reverse glazing technology, and the dark fringes which cannot be distinguished by naked eyes are formed and can be seen through a decoding sheet, thereby greatly improving the anti-counterfeiting security of package.

The invention relates to a security document, such as a bank note (1), passport or similar, which comprises a security sheet (4) and a marking (2) that has been created by a laser. According to the invention, at least one sub-section of the security sheet (4) has a coating (3) and the marking (2) extends over the border region between the coating (3) and the security sheet (4). The invention also relates to a security sheet (4) and to a method for producing an inventive security document or security sheet (4).

The invention provides an optically variable anti-counterfeiting element first, which at least has a first liquid crystal layer and a dark background layer, wherein the first liquid crystal layer is made of at least one cholesteric liquid crystal material, the dark background layer contains an anti-counterfeiting material which can be identified by machine reading, and at least part of dark background layer is overlapped with at least part of the first liquid crystal layer up and down to form an overlapped area; and when the overlapped area is observed at two set angles, the reflected light changes between a colorless state and a colored state. The optically variable anti-counterfeiting element provided by the invention has a primary anti-counterfeiting characteristic that reflected light of at least part of areas changes between a colorless state and a colored state with the change in an observation angle and secondary machine-reading anti-counterfeiting characteristics of infrared rays, magnetism, fluorescence, information hiding and the like, thereby allowing people to identify counterfeit easily and combining multi-stage anti-counterfeiting factors different to counterfeit. The invention also provides product with the optically variable anti-counterfeiting element.

The invention relates to an anti-counterfeit label and a bottle cover, wherein the anti-counterfeit label comprises a substrate as well as an RFID (radio frequency identification) chip and an antenna, wherein the RFID chip and the antenna are arranged on the substrate; the RFID chip is connected with the antenna through a disconnecting mode, wherein the top of the anti-counterfeit bottle cover is provided with the anti-counterfeit label. The anti-counterfeit label and the bottle cover, provided by the invention, have the advantages as follows: as the anti-counterfeit label is mounted at the top of the anti-counterfeit bottle cover, a lifting part of the anti-counterfeit bottle cover rises, so as to burst the RFID chip stored with an unique anti-counterfeit code when the anti-counterfeit bottle cover is opened, so that the connected part of the RFID chip and the antenna of the anti-counterfeit label is snapped; therefore, the anti-counterfeit label cannot be used again, so that a purpose of improving anti-counterfeit safety is achieved.

The invention discloses a processing method of anti-counterfeiting printed products. The processing method comprises the following steps of 1 adopting optically variable ink to print base patterns on a base material; 2 designing concave-convex embossing patterns of intaglio and letterpress layouts, wherein outlines of the concave-convex embossing patterns are smaller than those of the base patterns; 3 manufacturing the intaglio and letterpress plates according the concave-convex embossing patterns, wherein working contact faces of the intaglio and letterpress plates are oblique planes, and included angles formed by the oblique planes and the surface of the base material range from 1 degree to 30 degrees; 4 using an intaglio and letterpress embossing device to finish concave-convex embossing processing within an area defined by the base patterns. The processing method can show two color patterns at the same viewing angle by means of a concave-convex embossing process and by utilizing a color change characteristic of the optically variable ink. The pattern effect shown by the anti-counterfeiting printed products is easily recognized, the counterfeit processing difficulty is high, and the anti-counterfeiting security level of the products is greatly increased.

The invention relates to an anti-counterfeit package which comprises a packaging body, a two-dimensional code and an NFC chip. The packaging body comprises a first packaging part and a second packaging part, wherein the first packaging part and the second packaging part can move relatively. The two-dimensional code is arranged at the position of the boundary of the first packaging part and the second packaging part, so that when the first packaging part and the second packaging part move relatively, the two-dimensional code is damaged, the two-dimensional code can be read by reading application not assigned to be used for the anti-counterfeit package, and in addition, after the two-dimensional code is successfully read by the reading application, skipping to identification application capable of identifying the NFC chip is conducted from the reading application. The NFC chip is arranged at the position of the boundary of the first packaging part and the second packaging part so that when the first packaging part and the second packaging part more relatively, the NFC chip is damaged, and the NFC chip can be identified by the identification application. The invention further relates to a corresponding identification method. By means of the anti-counterfeit package, the anti-counterfeit capability can be greatly improved.

The invention provides double mode light-emitting water-based anti-counterfeiting ink, and a preparation method and application thereof. The preparation method comprises the steps that an organic solution of up-conversion nanoparticles and carbon quantum dots is added to water-in-oil microemulsion, then an organic solvent of the organic solution in the water-in-oil microemulsion is evaporated by heating, and then water is added to make the water-in-oil microemulsion inversely transform to form water-in-oil nano emulsion. According to the double mode light-emitting water-based anti-counterfeiting ink, and the preparation method and application thereof, the O/W nano emulsion is used for encapsulating artfully an oil-soluble double mode light-emitting material in the inner part of an emulsiondroplet, complex operation brought by removing ligands can be avoided, and the drawback of decreasing fluorescence intensity for removing hydrophobic ligands can be overcome. Compared with oil-soluble anti-counterfeiting ink, the water-based anti-counterfeiting ink has the advantages of no corrosion to a nozzle, no pollution to the environment and no blockage to the nozzle.

The invention relates to two-dimensional graph coding anti-fake based method and tag and a making method of the two-dimensional graph coding anti-fake based tag. In the invention, a two-dimensional graph coding image generated by a computer and a two-dimensional graph coding image read by an image reading device can be distinguished through the existence of the a boundary of a first printing carrier and a second printing carrier, and therefore, the problem that a lawless person cracks a two-dimensional graph coding database through an exhaustion method; the second printing carrier is randomly bonded on the first printing carrier, the boundary of the first printing carrier and the second printing carrier and the relative position information of the two-dimensional graph coding image are stored in data, and whether the position of the boundary is consistent or not is analyzed and judged, and therefore, a counterfeit tag is prevented from being made by simulating the making process of the tag by the lawless person; an image-text area is punched, the position of a hole is randomly changed, and the lawless person needs to know the position of the hole and accurately position and punch through a machine if intending to simulate the tag, and therefore, the counterfeit cost is increased.

The invention provides an image security code generation method based on anti-counterfeiting encryption and visual identification. According to the image security code generation method based on anti-counterfeiting encryption and visual identification, an encrypted security code and an image identification code are organically combined through special encryption processing and data coding processing to correspondingly obtain an image security code; the image security code has the characteristics of high anti-counterfeiting security, large data capacity, high traceability and high error-tolerant rate of an encrypted security code; and the image security code also has the characteristics of high identification degree and convenience for wide application of the image identification code, so that the intelligent identification performance and the application convenience of the image security code can be effectively improved, and the applicability of the intelligent identification code to different occasions is further improved.

The invention provides waterborne invisible fluorescent anti-counterfeiting ink as well as a preparation method and an application method thereof. Fluorescent molecules in a used dyestuff water solution are not absorbed in a visible light region, so that the ink is colorless and transparent under a common sunlight condition and is completely invisible, and can display bright fluorescent light under ultraviolet irradiation, and furthermore, the contrast ratio and the anti-counterfeiting safety are improved; meanwhile, the waterborne invisible fluorescent anti-counterfeiting ink system providedby the invention takes water as a dissolution carrier; compared with previous oily dyestuffs, the waterborne invisible fluorescent anti-counterfeiting ink is safe and nontoxic, no volatile organic gasis generated and no pollution is caused; the consumption of resources is reduced and the environment protection cost is reduced; the ink has no burning and explosion risks and the safety of a workingenvironment is improved; furthermore, the waterborne invisible fluorescent anti-counterfeiting ink provided by the invention has a fluorescent color so that the problem that the color of a current fluorescent anti-counterfeiting dyestuff is single is overcome.

The invention relates to a preparation method and application of an anti-counterfeit label based on temperature-induced phase change hydrogel, and the method comprises the following steps: mixing two monomers of N, N-dimethyl (acrylamide propyl) ammonium butanesulfonate and acrylamide, or mixing isopropyl acrylamide and acrylamide to obtain a mixed monomer; uniformly dissolving a mixed monomer, a cross-linking agent and an initiator in water, standing in a preset temperature environment for more than 30 min, then adding a reducing agent, and uniformly stirring to obtain a mixed solution, the cross-linking agent being N, N '-methylene bisacrylamide, the initiator being ammonium persulfate, and the reducing agent being N, N, N', N'-tetramethylethylenediamine; and transferring the obtained mixed solution into a transparent substrate with a groove pattern, and carrying out polymerization reaction in a pattern area to coagulate into gel, so as to obtain the anti-counterfeit label of the temperature-induced phase change hydrogel based on the lowest critical solution temperature or the highest critical solution temperature. The anti-counterfeit label prepared by the invention is relatively high in identification degree, relatively high in anti-counterfeit safety and relatively strong in coding capability.

The invention discloses a design method for realizing multiplexing of a single-color random anti-counterfeiting pattern and a double-color anti-counterfeiting pattern based on a metasurface, in whicha random anti-counterfeiting pattern can be generated by rotating the metasurface under the condition that single-wavelength linear polarized light is incident. Under the condition that double-wavelength polarized light is incident, a double-color anti-counterfeiting pattern can be generated through a rotary polarization analyzer, and finally multiplexing of the single-color random anti-counterfeiting pattern and the double-color anti-counterfeiting pattern is achieved. The design method is ingenious, random selection of the anti-counterfeiting pattern and dual-wavelength implementation of thedouble-color anti-counterfeiting pattern improve the counterfeiting difficulty, so that the double-color anti-counterfeiting pattern is difficult to copy and imitate, and the anti-counterfeiting security is greatly improved. The metasurface structure is simple and compact, the size is small, the weight is light, the metasurface structure can be conveniently integrated to high-end chips, watches,diamond rings and other valuable commodities with the small size, and an anti-counterfeit label based on the design method is not prone to being perceived, obtained and counterfeited.

The invention discloses dual-wavelength infrared anti-forgery ink and a preparation method. The dual-wavelength infrared anti-forgery ink is prepared from the following components in percentage by weight: 3.5 to 4.5 weight percent of an infrared anti-forgery material I, 0.75 to 2 weight percent of an infrared anti-forgery material II, 1 to 95 weight percent of a binder, 0 to 30 weight percent of a pigment and 0 to 30 weight percent of an auxiliary agent. The dual-wavelength infrared anti-forgery ink is safer and higher in anti-forgery level, product forgery prevention is carried out through a printing method, the dual-wavelength infrared anti-forgery ink prepared through the method has two detection wavelengths, excitation and detection are carried out through the two wavelengths, the dual-wavelength infrared anti-forgery ink has high anti-forgery safety, and the dual-wavelength infrared anti-forgery ink prepared by the method has no restrictive requirements on printing equipment, printing materials and printing processes, can be applied to printing stocks such as paper, polymeric membranes, metals and the like, and can be applied and popularized as an expert-level anti-forgery technology.

The invention relates to a security element and a color, comprising at least one colorant that emits luminescent radiation when irradiated with electromagnetic excitation radiation, wherein a) the colorant first emits luminescent radiation when irradiated, the intensity of said colorant decreasing or almost vanishing when continuously irradiated with the excitation radiation within a first time interval, and b) the colorant is designed such that the effect described under a) can be observed again after a regeneration time period during which the colorant is not irradiated with the excitation radiation. The invention further relates to value and/or security documents comprising such a security element or such a colorant and to a verification method.

The invention relates to an article, in particular a packaging, which has a separate identification means. The invention also relates to a method and a device for individually marking and for authenticating objects, especially packaging. Through the packaging according to the invention - characterized in that the marking means is a random marking means specific to the article, in particular the packaging - the security against counterfeiting is increased compared to conventional packaging, more precisely There is a very slight outlay, so that the packaging costs are also lower compared to known packagings. The methods and devices for marking and identification are also simple, effective and reliable.

The invention discloses a two-dimensional code generation method. The method comprises the following steps: establishing a two-dimensional code recognition database; acquiring original recognition information; dividing the initial two-dimensional code into a plurality of subunits, encoding the original recognition information according to a two-dimensional code recognition database to generate encoding information, and storing the encoding information in the subunits to generate an initial two-dimensional code; presetting a depth value for each subunit; and processing the depth of each subuniton the surface of the object according to a preset depth value to form a target two-dimensional code. Compared with a traditional two-dimensional code, the two-dimensional code has the advantages ofstoring super-large-capacity information, being higher in anti-counterfeiting safety and resistant to altering and abrasion, the one-to-one relation between the two-dimensional code and a product canbe guaranteed, and the product is prevented from being exchanged.