414 results about "Security printing" 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 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.

A two-step method of making of a security printed image is disclosed and includes coating of the surface of a substrate with a predetermined image shape with an ink containing flaked magnetic pigment in a predetermined concentration, exposing a wet printed image to a magnetic field to align magnetic particles in a predetermined manner, allowing the ink to cure, and coating the substrate with a second printed image on the top of the first image. The second printed image with the same or different image shape is printed with another ink containing clear or dyed ink vehicle mixed with flaked magnetic pigment in a low concentration, exposed to the magnetic field of the same or different configuration as the first printed image and cured until the ink is dry.

The invention discloses a multi-dimensional encryption anti-counterfeiting printing technology based on the shape of an amplitude modified screen, the anti-counterfeiting printing technology can be used for digitizing anti-counterfeiting information and generating a multi-dimensional encryption octal anti-counterfeiting information table with eight bits in each group, an octal modulation signal is generated by virtue of encryption and channel coding, the anti-counterfeiting information is embedded in the whole page by ordered changes in the shape of the amplitude modified screen through circulating table search and modulation of the amplitude modified screen, and the anti-counterfeiting information can be recognized from any fragment when a printed product is recognized, thereby having very strong anti-fragmentation property, fighting against illegal replication behavior based on a camera, a scanner, an electronic document and the like more effectively and being widely applied in the anti-counterfeiting field of printed products.

The invention relates to an anti-counterfeiting printing method by using invisible two-dimensional codes. The anti-counterfeiting printing method is characterized in that at least four printing layers for printing are adopted, and comprises the following steps of: firstly, providing a digital serial number and splitting the serial number into three fields of which information is assigned to three groups of two-dimensional codes; secondly, printing one group of two-dimensional codes on a first layer by using aqueous ink black materials; thirdly, overprinting a grey isolating layer on the first two-dimensional code layer by using infrared non-absorbent materials to form a second layer; fourthly, overprinting a second group of two-dimensional codes on the second layer of the grey isolating layer by using the infrared non-absorbent materials to form a third layer; and finally, overprinting a third group of two-dimensional codes on the third two-dimensional code layer by using ultraviolet absorption materials to form a fourth layer. The method has the advantages of eliminating the possibility of imitation by scanning the two-dimensional codes and achieving relatively higher use value because the overprinting is performed in the same area in an offset printing and digital jet printing way and the upper printing layer covers the lower layer naturally.

The present invention aims to propose a method to generate a security pattern to be embedded in an original image having the particularity that the detection of the security pattern can be achieved through a simple, low processing capability device. The present invention proposes a method for generating a security image comprising an original image and a security pattern, characterized in that the security pattern has the form of a grating in which the lines width and/or the line spacing is modulated to embody a predefined data, the security image is generated by the modulation of at least one color of at least a part of the original image with the grating. The present invention belongs to the fields of security printing and copy protection of banknotes. It aims at preventing illegal copy and duplication of banknotes by printing a security image on the banknote. A device capable of detecting this security image with one-dimensional signal processing is described. Acquisition and printing devices that contain this detector can perform a quick, on-the-fly analysis of the images that transit through them during their normal course of operations, and refuse to perform their function on an image if it contains the security image. This analysis is fast enough relatively to the normal operation of the device so as to go unnoticed by the user. The security image is incorporated by a bi-level halftone image. The Fourier transform of this halftone image contains a two-dimensional pattern with a circular symmetry that is built by applying a 360-degree rotation to a one-dimensional signal. This one-dimensional signal exhibits a degree of self-similarity across a given range of scale changes. It may be detected by traversing the two-dimensional pattern along a straight line passing through its center.

The invention relates to another processing method for digitized anti-fake printing in the field of information processing, which is characterized in that an invisible dot matrix bar code capable of recording information through printing is printed on an anti-fake label, wherein an image of the invisible dot matrix bar code is segmented into a plurality of partial images; and the segmented images are respectively printed on a printing medium by one printing material through different printing ink, ink powder and ink. By adopting the digitized anti-fake technology provided by the invention, wrongdoers can be prevented from breaking the invisible dot matrix bar code by using an image sensor with a peculiar spectrum, the anti-fake effects of preventing electrodispersion and keying can be really achieved and one-fake one-code can be really realized on ordinary printing equipment, printing ink and printing medium, so the problems of bill faking, tampering, commodity counterfeiting, and the like which spread in society are thoroughly solved and harmonious development of the society is promoted.

The invention discloses a printing-free protective gloss oil holographic anti-counterfeiting positioning direct-ironing gold blocking film and a preparation method thereof, is used for surface anti-counterfeiting printing of glass, metal, ceramic and the like, and relates to the technical field of anti-counterfeiting package printing. The film comprises a base film layer, a release layer, an information coloring layer, a laser mould pressing layer, a vacuum aluminum coated layer and a gum layer which are arranged from inside to outside, the release layer is formed by spreading and drying release agent coating liquid; the information coloring layer is formed by spreading and drying information coloring coating liquid; the laser mould pressing layer adopts an anti-counterfeiting laser pattern formed by mould pressing; and the vacuum aluminum coated layer is formed on the surface of the laser mould pressing layer by vaporizing and evaporating aluminum wires uniformly under high-current vacuum. Compared with the prior art, the film has stronger high-temperature resistance, cracking resistance, discoloration resistance, alcohol resistance and water soaking resistance, holographic patterns or characters can be added according to customer requirements, the anti-counterfeiting function is achieved while the attractiveness of the product is improved, the technological process can be reduced, the anti-counterfeiting performance is improved, the processing technology is simplified, and the production time is saved.

The invention belongs to the field of information technology and anti-counterfeiting printed antennas, and particularly relates to an RFID printed antenna hot stamped electronic tag and a manufacturing method thereof. The electronic tag comprises a PET substrate layer; a release layer, an information layer, a printing layer, a first glue layer, an antenna substrate layer and a printed antenna layer are sequentially from bottom to top arranged on the PET substrate layer; flip chip packaging is carried out on the printed antenna layer, and a second glue layer is arranged on the chip. The PET is selected to serve as the substrate, and the release layer and the information layer are coated on the PET substrate layer; teletext information is then printed, glue is applied, the antenna substrate is printed, conductive oil ink is then printed, flip chip packaging is then carried out on the well-printed antenna, glue is then applied, and after being dried, the tag is transferred to a stuck object in a hot stamping mode. Organic combination between the hot stamping technology and the electronic tag can be realized, the manufactured electronic tag has stable performance, environmental protection is realized, the cost is low, the manufacturing process is relatively simple, the appearance is attractive, damage is not likely to happen, double counterfeiting prevention can be realized, and the anti-counterfeiting force is improved.

The invention relates to the technical field of holographic anti-counterfeiting printing, particularly relates to a method for making multiple-positioning holographic anti-counterfeiting printing paper and products thereof and provides a multiple-positioning holographic anti-counterfeiting printing method and multiple-positioning holographic anti-counterfeiting printing paper which are used for making a plurality of patterns with different anti-counterfeiting effects and appearances, or a plurality of patterns with ensured precision of positional dimensions among all the patterns, and positioning and printing the patterns by means of ink patterns and holographic patterns on paper according to the design requirements to make the whole surface of packing paper have anti-counterfeiting texts and patterns. The method comprises the following steps of: designing the positioning of the holographic patterns, editing a variable table, revising positioning accuracy requirements, precisely making plates, electroforming, controlling coating, precisely transferring, precisely controlling molding pressing parameters, compounding paper films, peeling surface polyester (PET) film and preparing the multiple-positioning holographic novel anti-counterfeiting environmental-protection paper. The pattern printing can be positioned again by taking full-version holographic patterns as a base material on a printer if the full-version holographic patterns exist, hot stamping procedures are reduced, the cost is saved, the anti-counterfeiting performance is improved, the grades of printed materials are promoted, and the energy is conserved, and the environment is protected.

The invention relates to a digital anti-counterfeit printing processing method in the field of information processing. The method is characterized in that: an anti-counterfeit label is a printed hidden dot matrix barcode capable of recording information through printing, wherein the hidden dot matrix barcode is printed on a print media through one or more printing materials in readable printing ink, powdered ink and writing ink; and a camouflage part of the hidden dot matrix barcode consists of a camouflage dot matrix and a dot matrix label and is printed on the print media through a printing material in unreadable printing ink, powdered ink and writing ink. By the digital anti-counterfeit technology, electrical separation and keying can be prevented on common printing equipment, printing ink and print media, and one label corresponds to one code; therefore, the problems of forged and tampered notes, fake goods and the like in the society are radically solved, and harmonious development of society is promoted.

The invention relates to a plate-making technology in holographic anti-counterfeiting printing and particularly relates to a dynamic Mohr encryption method of an anti-counterfeiting image. The invention provides the dynamic Mohr encryption method of the anti-counterfeiting image, which has the advantages of laser hologram, overlapping of a plurality of hidden encrypted patterns, clear decoded encrypted patterns, good hiding performance, continuous vivid representation and dynamic effect; a plurality of layers of related white and black encrypted patterns are overlapped on an anti-counterfeiting identification and are processed by a computer optical grating to obtain parallel straight-line clusters which have the same optical grating frequency and have the different optical grating directions to form an optical grating pattern; the frequency of the parallel straight-line clusters is slightly changed in an encrypted pattern region, namely one section of an arc-shaped bending line cluster which is waved in the same direction is arranged between a starting point and a finishing point of crossing the parallel straight-line clusters and the encrypted pattern; the direction of each layer of the parallel straight-line clusters is rotated, overlapped and hidden according to a related sequence at an equal angle to form a synthesized pattern; and a decoding sheet with the frequency which is the same as that of the optical grating pattern is overlapped on the synthesized pattern to be rotated and observed, and n layers of the related encrypted patterns are obviously displayed in sequence in an animation manner. The dynamic Mohr encryption method of the anti-counterfeiting image improves the anti-counterfeiting capability and is novel.

A method, computer readable storage, and system that provides security printing using a network printer. More particularly, a method, computer readable storage. and system that provides security printing using a general purpose printer that does not support an encryption function. The system can include at least one terminal having a printer driver and a network printer connected to the terminal via a network. Output data can be encoded at a first terminal and the encoded output data can be stored in a predetermined location designated by a user. The encoded output data that is stored in the predetermined location is decoded at a second terminal, the decoded output data is transferred to the network printer, and the decoded output data is printed.

In a printer system in which a plurality of virtual printers can be set, virtual printer names are properly used to select ordinary printing and security printing whose contents should be kept confidential. When print data whose contents should be kept confidential is printed, a virtual printer name for security printing, e.g., "sp2351", is set upon directing printing. A printer identifies the virtual printer name for security printing by a part "sp", and temporarily stores the contents to be printed in a memory. Subsequently, when the user inputs "2351" directly to the printer, printing is done.

The invention relates to the holographic anti-counterfeiting printing industry, in particular to a manufacturing method for the double-layer holographic anti-counterfeiting film. Printing ink is partially printed between a laser information layer and an aluminum-plated layer, and random anti-counterfeiting holographic color piece carrier dope partially coats the part between the laser information layer and the aluminum-plated layer to form double-layer hologram to prepare a product with the double-layer holographic film; the manufacturing method also can prepare double-layer hologram which is completely coated with the random anti-counterfeiting holographic color piece carrier dope through secondary coating; when identifying, the anti-counterfeiting holographic color piece in the partially anti-counterfeiting holographic color piece carrier dope layer is manually peeled from a product body by an identifying person to server as independent anti-counterfeiting holographic information material; the identifying person inspects the product authenticity in an experience mode, a traditional anti-counterfeiting method is combined with a two-dimensional code, the conversion of the anti-counterfeiting mode provides a lot of product information, different unique anti-counterfeiting methods are used, and the two-dimensional code and the randomly sprayed color piece make up a variety of unique patterns to meet the anti-counterfeiting uniqueness requirement; the double-layer holographic anti-counterfeiting film is a new anti-counterfeiting identifying mode, enables the anti-counterfeiting data information amount to be expanded, is convenient to identify and enables the laser anti-counterfeiting identifying efficiency to be improved.

The invention relates to a two-dimension code information hiding anti-counterfeit technology, in particular to a two-dimension code anti-counterfeiting printing and verification method adopting a digital watermark technology. The two-dimension code anti-counterfeiting printing and verification method comprises the steps of: performing DCT conversion on a two-dimension code image to obtain a DCT coefficient pair; dividing the pixels of the two-dimension code image into blocks, and determining information of part of a watermark to be embedded into each block; selecting positions according to blocks, and embedding the watermark, thus obtaining the two-dimension code image embedded with the watermark. When in verification, the two-dimension code image with watermark is subject to DCT conversion to obtain the DCT coefficient pair, and thereby the watermark is obtained; and the obtained watermark is compared with the extracted watermark to judge whether falsifying occurs. According to the method provided by the invention, the two-dimension code can be effectively and rapidly encrypted, and also can be accurately verified whether being falsified or not.

The invention discloses a digital counter-forgery printing method. The method includes batch printing of 'surface information', 'common counter-forgery printing feature', and 'independent counter-forgery printing feature information'; wherein, the 'surface information' and 'common counter-forgery printing feature' will be sent to printing factories, which will carry out the 'preliminary printing' through the traditional counter-forgery printing means, and reserve the region for 'independent counter-forgery printing feature information'; the region will be printed under the control of computer programs for 'secondary printing'. The method can be used for independent counter-forgery marks, which are printed with a plurality of feature information through the computer coding technique to have a stark contract among different marks. In addition, the changing method is direct and can be understood easily, so consumers and users can identify the marks conveniently. The technique can be widely used for the printing of various counter-forgery marks.

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 present invention provides an anti-counterfeit printing material with a hot stamping texture, a special hot stamping foil and a manufacturing method for the same. The method comprises the steps of: randomly throwing fibers onto a foil printed with an adhesive to form a hot stamping foil; scanning and collecting characteristic information about the random distribution of fibers; and storing the characteristic information in a database of a computer anti-counterfeit inquiry system connected to a telephone network and/or Internet, for public inspection and verification of authenticity. With existing hot stamping processes and equipment, a printing material manufacturer can produce an anti-counterfeit printing material with a local texture in the background by means of hot stamping with hot stamping foils. The present invention saves huge investment in special equipment, simplify production process, increase production efficiency, reduce production costs.