96results about How to "Increase the difficulty of imitation" patented technology

The invention relates to an anti-counterfeiting identification structure, which comprises a surface layer structure and a glue layer structure attached to the lower surface of the surface layer structure, wherein the surface layer structure comprises a laser film layer, a material medium layer, a printing layer, a first printing layer and an anti-counterfeiting ink oil in sequence; and the glue layer structure comprises a glue layer, a second print layer and an insulating layer in sequence. The invention further relates to a manufacturing method for the anti-counterfeiting identification structure. In the anti-counterfeiting identification structure and the manufacturing method, specific and unique logic corresponding relations exist between a variable bar code in a surface layer of the anti-counterfeiting structure and numbers below the bar code as well as between a number code in a glue layer of the identification structure and an anti-counterfeiting code on a bottom layer, so that the digital anti-counterfeiting function is further improved, the transfer resistance and counterfeiting difficulty are improved greatly, a multi-anti-counterfeiting verification function is realized simultaneously, stable and reliable performance and wide application range are realized, and a solid foundation is laid for further development of an anti-counterfeiting identification technology and the guarantee of brand service quality.

The invention provides handwriting input equipment and a data acquisition method, and belongs to the fields of computer information and electronics. The handwriting input equipment simultaneously acquires handwriting information and palm side surface information of a pen holding hand, which are generated in a writing process. An information acquisition device of the equipment comprises a side palm print sensor, a display screen and an antenna array, wherein the antenna array is located below the outside of the display screen; the side palm print sensor is located above the outside of the display screen, and used for acquiring two-dimensional image information of a side palm print; the antenna array is used for acquiring the handwriting information; and the display screen is used for displaying handwriting track information, and presents the handwriting track information to a user. Compared with acquisition of handwriting and other physiological characteristics, the attack difficulty can be increased effectively by simultaneously acquiring the handwriting information and palm side print information of the pen holding hand, which are generated in the writing process, so that the security of a certification system is improved.

The present invention relates to magnetic ink, and especially a kind of magnetic ink with magnetism varying with temperature. The anti-fake mark printed with the anti-fake ink exhibits certain magnetism under the temperature lower than some specific value and possesses no magnetism under the temperature higher than the specific value. The specific value is designed based on specific requirement within 30-150 deg.c. The heat-sensitive magnetic anti-fake ink may be printed in different printing mode and may be in different colors, black, brown, blue, etc. The present invention raises anti-fake capacity.

The invention discloses an anti-counterfeit coating white cardboard containing dyed wood pulp fibers. The cardboard comprises a surface layer, a core layer and a bottom layer which are overlapped sequentially, wherein dyed wood pulp fibers are contained in the core layer and/or bottom layer in a content of 0.7-0.9wt%. The invention further discloses a process for producing the dyed wood pulp fibers and the anti-counterfeit coating white cardboard containing the dyed wood pulp fibers. According to the process, wood pulp fibers are dyed with dye, and the dyed wood pulp fibers are added in the core layer and/or bottom layer of the coating white cardboard to obtain the anti-counterfeit coating white cardboard, and the dyed fibers are easily identified. Compared with common dyed fibers, the dyed wood pulp fibers are simple in preparation flow, low in price and good in environment-friendly performance, have the characteristics of original fibers, and are soft and plastic. The prepared coating white cardboard achieves a higher level in the fields of paper strength, printability and flexible performance in comparison with existing high-grade coating white cardboard.

The invention discloses a multi-wavelength fluorescent quantum dot anti-counterfeiting method, comprising the following steps of (1) selecting a plurality of fluorescent quantum dots with various grain diameter types, wherein the fluorescence emission spectrums of the fluorescent quantum dots are evenly distributed within a near-infrared area; moreover, no wave bands overlap; and the type of the selected quantum dots is in a number equal to that of the ink boxes of a selected printer, and further is corresponding to the ink boxes of the selected printer one to one; (2) coding a plurality of fluorescent quantum dots of various types in each black bar according to bar codes through the utilization of the presence or absence of the fluorescence peaks of the fluorescent quantum dots of various type within a given wave band; (3) evenly mixing the quantum dots with ink in the corresponding printer ink box; and (4) printing an anti-counterfeiting marker with the ink containing the quantum dots in the step (3) so as to realize the highly anti-counterfeiting of commodities. The anti-counterfeiting marker made by such an anti-counterfeiting method has the advantages of high precision, good hiddenness and large information capacity, and further can be set and assigned by a manufacturer.

The invention relates to an electric power metering seal anti-counterfeit method. A group of random initial data is selected, the initial data is subject to encryption operation, so as to generate a two-dimensional code; a group of unique electric power metering seal management number is determined, the initial data, the two-dimensional code and the management number are bound, so as to generate anti-counterfeit information, and the anti-counterfeit information is input into an electric power metering seal management system; and the two-dimensional code and the management number are printed on the electric power metering seal. The invention has low cost, the two-dimensional code and the management number are bound and coupled, so as to realize anti-counterfeit, structure is simple, disposable use can be realized, imitation difficulty is high, and anti-counterfeit and anti-prising effects are good.

The invention discloses a pigment sheet having various anti-counterfeiting functions and a preparation method thereof. The pigment sheet comprises at least a reflective layer having a first surface and a second surface opposite to the first surface, a first medium layer arranged at the outer side of the first surface and having a first outer surface, a second medium layer disposed on the outer side of the second surface and having a second outer surface, a first absorption layer disposed at the outer side of the first outer surface, and a second absorption layer disposed on the outer side of the second outer surface, wherein at least one of the reflective layer, the first medium layer, the second medium layer, the first absorption layer and the second absorption layer is a material layer containing a predetermined amount of magnetic resonance anti-counterfeiting material and having an electromagnetic wave responsive function. In the above manner, the pigment has an angle-dependent optical effect and a magnetic function, and also has a machine-readable second-line anti-counterfeiting function.

The invention discloses an anti-counterfeiting system and method suitable for a transparent plastic packaging box. The system comprises an anti-counterfeiting mark unit and an anti-counterfeiting verification unit, the anti-counterfeiting mark unit comprises a square area at any position of the transparent plastic packaging box. A plurality of scratches with random positions, shapes and sizes areengraved on the inner side of the square area, a square label for ink-jet printing of a two-dimensional code is arranged in the transparent plastic packaging box, the size of the square label is matched with that of the square area, and the side, provided with the two-dimensional code, of the square label is bonded with the inner side of the square area through a transparent adhesive. And the anti-counterfeiting verification unit comprises a smart phone for identifying the two-dimensional code and acquiring the texture image of the square area, and the smart phone is in wireless communicationwith the server. The anti-counterfeiting mark unit is designed according to the specific structure of the transparent plastic packaging box, and is particularly suitable for the transparent plastic packaging box.

The invention discloses a multi-way invisible fluorescent ink anti-fake label with different patterns, and belongs to the field of anti-fake technology. The anti-fake label comprises a lining layer, a fluorescent ink layer I, a fluorescent ink layer II and a prism glass layer from bottom to top in sequence, wherein a photonic crystal layer I and a photonic crystal II are arranged on the prism glass layer. The anti-fake label has the characteristics of high elusive capability, imitation difficulty, multi-way display of different patterns and the like; and when the multi-way invisible fluorescent ink anti-fake label is used for commodity anti-fake, the elusive capability and the imitation difficulty of the invisible ink anti-fake label are enhanced, and the applicability of the anti-fake label is improved.

The invention proposes an electronic stamp instant generation method, a device, and a system as well as a bank teller terminal. The method comprises: according to a transaction service, making a request to an electronic stamp instant generation device to obtain the electronic stamp used in the transaction service; receiving the electronic stamp with stamp codes that is instantly generated from the electronic stamp instant generation device; and dealing with the transaction service using the electronic stamp. According to the invention, for each transaction service, a unique electronic stamp is generated so that the electronic stamp is bonded with the transaction service, therefore, making the transaction service a more secure one.

The invention relates to an anti-counterfeit label, concretely relating to a label with light pillar color-changing effect and a preparation method thereof. The label with light pillar color-changingeffect comprises a light pillar color-changing effect layer, a printing layer, a paper feeding layer and a paper discharge layer, all of which are orderly arranged from the top to the bottom. A fluorescence fiber and miniature two-dimensional code information safety line is arranged between the paper feeding layer and the paper discharge layer. Magnetic printing by ink is adopted by the light pillar color-changing effect. Additionally, the light pillar effect is formed by fixed magnetization. The invention provides the label with light pillar color-changing effect. The label is difficult to copy. When a customer identifies, the light changing effect is obtained. The printing ink has a dynamic changing effect and is highly anti-counterfeiting. Because of the fluorescence fiber and miniaturetwo-dimensional code information safety line, multiple anti-counterfeiting is achieved. The identifying operation is simple. The label is not easy to copy and has great anti-counterfeiting effect. The preparation method is scientific, reasonable, simple and easily implemented.

The embodiment of the invention provides an optical anti-counterfeiting element and an optical anti-counterfeiting product using the optical anti-counterfeiting element, and belongs to the field of counterfeiting prevention. The optical anti-counterfeiting element comprises a base material, a sampling layer and an image layer. The base material comprises a first surface and a second surface whichare opposite to each other. The sampling layer is formed on at least part of the area of the first surface or the second surface. The image layer is formed on at least part of the area of the first surface or the second surface. The image layer comprises multiple micro image-text units and background areas between the micro image-text units. Each of the micro image-text units and/or the backgroundareas between the micro image-text units is at least partly composed of diffraction microstructures. The sampling layer and the image layer have certain relevance so that the sampling layer can conduct sampling and synthesizing on the image layer to form one or more macroscopic synthetic images. The optical anti-counterfeiting element has the characteristics that the optical anti-counterfeiting element is easy to recognize and it is difficult to counterfeit the optical anti-counterfeiting element.

The invention relates to an anti-counterfeit package. The anti-counterfeit package comprises a substrate unit which is provided with an anti-counterfeit area, a film laid on the surface of the substrate unit, a UV bottom oil layer arranged on the surface of the film and a UV surface oil body arranged on the surface of the UV bottom oil layer of the anti-counterfeit area, the UV surface oil body isarranged along anti-counterfeit refraction texture so as to react with the UV bottom oil layer to form refraction lines, and at least two sets of refraction texture are set. By means of the anti-counterfeit area and the film, the surface of the film is coated with the UV bottom oil layer, and the UV surface oil body is arranged on the surface of the UV bottom oil layer of the anti-counterfeit area according to the anti-counterfeit refraction texture; meanwhile, multiple sets of the anti-counterfeit refraction texture are set, when a consumer views the anti-counterfeit area, light is reflectedthrough the refraction texture to form multiple different anti-counterfeit graphics, and the anti-counterfeit purpose is achieved; the imitation difficulty is increased, the anti-counterfeit effect is improved, the refraction texture, the film and the substrate unit are integrally arranged, and compared with a traditional placement method, the production efficiency is higher and the economic benefit of an enterprise is increased.

The invention relates to a two-dimensional random graph based anti-counterfeit label. The anti-counterfeit label includes two-dimensional random graphs and a three-dimensional carrier accommodating all the two-dimensional random graphs; the positions of the two-dimensional random graphs are randomly distributed in the three-dimensional carrier; and image characteristics combining the two-dimensional random graphs with the three-dimensional carrier are recorded in a database, so that contrast recognition can be performed by image recognition equipment. Thus, pre-sale false inspection of goods can be realized; and labels have characteristics of being non-replicable and non-recyclable, so that possible can be provided for public to widely participate in goods false inspection.

The invention discloses a volume holographic four-dimensional code anti-counterfeiting implementation method. The method comprises the following steps: generating plaintext information to be encrypted; randomly generating asymmetrically encrypted public key and private key pairs; encrypting the plaintext to be encrypted by adopting the public key to obtain encrypted ciphertext information; encoding the ciphertext information through the three-dimensional two-dimensional codes in the x, y and z directions to obtain an encrypted three-dimensional two-dimensional code; encoding the private key through the code element combination of the RGB three primary colors to form a color three-dimensional four-dimensional code; generating a hologram of the four-dimensional code through computer holography; loading the hologram of the four-dimensional code through a spatial light modulator; through RGB three-color laser multiplexing, recording a hologram of a four-dimensional code on a volume holographic material in an interference mode. According to the method, the imitation difficulty is increased, the encryption performance and the data information capacity are improved, and finally the anti-counterfeiting and encryption performance is improved.