1945results about "Information cards" patented technology

A system and a method for verifying authenticity of a physical copy and a digital copy of a document are disclosed. The method comprises registering a document in a repository by storing details related to the document in a location of the repository. A symbology for the document is generated. The symbology is an identifier of the location of the repository comprising the document. The symbology is associated with either a physical or a digital copy of the document. The digital copy of the document is printed to generate a printed copy. The printed copy or the physical copy of the document is scanned to generate a scanned image. The document and the details related to the document present at the location of the repository are accessed. The scanned image is compared with the document stored in the repository to determine the authenticity of either the physical copy or the digital copy of the document.

Devices configured to emit colored light when illuminated with ultraviolet light and color-shifting displays containing the same are disclosed.

A personalizable security document includes a combination of two secure features, namely, a laser-engravable material, and a hologram overlapping the laser-engravable material. The metallic properties of the laser-engravable material result in an enhancement of the holographic effect obtained from the hologram. Additionally, the hologram may extend to other portions of the security document in a continuous manner, for example, as a full-page hologram. This may connect the secondary image formed in the laser-engravable material with other features provided in different portions of the security document to further increase the security.

The present invention provides a composite pigment, which comprises a first cholesteric liquid crystal pigment and a second cholesteric liquid crystal pigment. The above-mentioned first cholesteric liquid crystal pigment is a pigment having a center wavelength of a selective reflection band in the range of 400 nm or more and 800 nm or less and a selective reflection bandwidth of 150 nm or less. The above-mentioned second cholesteric liquid crystal pigment is a pigment having a selective reflection bandwidth of 200 nm or more in the range of 400 nm or more and 800 nm or less. At least a part of the selective reflection band of the above-mentioned first cholesteric liquid crystal pigment overlaps with the selective reflection band of the above-mentioned second cholesteric liquid crystal pigment. With respect to the total amount of the above-mentioned first cholesteric liquid crystal pigment and the above-mentioned second cholesteric liquid crystal pigment, the content of the above-mentioned first cholesteric liquid crystal pigment is more than 0% by weight and 30% by weight or less.

Document (100) with a security feature, comprising: a first substrate layer (103) having a first substrate layer region (105), wherein the substrate layer region (105) is impregnated with a black fluid over the entire thickness of the first substrate layer (103), the black fluid having carbon particles; a second substrate layer (107) with a second substrate layer region (109), wherein the second substrate layer (107) is arranged above the first substrate layer (103), the second substrate layer region (109) having a light reflection characteristic which differs from a light reflection characteristic of the first substrate layer region (105), wherein the first substrate layer region (105) and the second substrate layer region (109) form a composite security feature.

The invention relates to an optically variable security element (12) for securing valuables (10), having a reflective surface area (14) containing a plurality of reflective pixel elements (20) which together produce an optically variable motif representation, the appearance of which changes when the security element is tilted along a first direction (16) in the plane of the reflective surface area.According to the invention, it is provided that the pixel elements (20) along the first direction (16) each have an inclination to the reflective surface region (14) which is constant except for any isolated discontinuities, that the pixel elements (20) along a second direction (18) perpendicular to the first direction in the plane of the reflective surface region each have an inclination to the reflective surface region (14), which inclination varies in the entire surface region (14) or in two or more partial surface regions (52, 54; 60, 62, 64) visible to the naked eye, in each case except for any isolated discontinuities, within a predetermined inclination range, whereby the optically variable motif representation appears with a substantially uniform brightness in the entire surface region or in the said partial surface regions when tilted along the second direction (18).

In a general aspect, orientation information is used to generate a unique code. In some aspects, orientation information is extracted from an object. The object includes multiple elements, and the orientation information indicates the relative spatial orientations of the respective elements. The orientation information can be extracted, for instance, by a scanner system that detects the elements. A unique code is generated for the object based on the orientation information. In some examples, the elements are diamond particles that each have one or more color centers, and the orientation information is extracted by detecting the color centers.

An optical product can be configured, when illuminated, to reproduce an image that appears to be a 3D image of at least a part of a 3D object. The optical product can include a surface comprising a plurality of portions. Each portion can correspond to a point on a surface of the 3D object. One or more non-holographic features can be disposed within each portion configured to produce at least part of the image without relying on diffraction. An interference optical structure can be disposed on one or more features. A gradient in the features can correlate to a surface normal of the surface of the 3D object at the corresponding point. An orientation of the features can correlate to an orientation of the surface of the 3D object at the corresponding point.

A decorative substrate includes a base material, and a texture layer arranged on the base material. A plurality of grating grids are arranged on a surface on the side of the texture layer from the base material. At least the plurality of grating grids includes a plurality of grating units annularly arranged around a central point. Each grating unit includes a plurality of strip-shaped protrusions. The plurality of strip-shaped protrusions are sequentially arranged in the radius direction of a circle with the central point as its center. In the grating grids, each strip-shaped protrusion includes a first surface close to the central point, and a second surface away from the central point. The first surface and the second surface are connected to a third surface of the strip-shaped protrusion. An included angle formed by the first surface and the third surface of the strip-shaped protrusion is less than or equal to an included angle formed by the second surface and the third surface of the strip-shaped protrusion.

The invention relates to a security marking (100), a method and a device for reading and decoding the security marking (100), a security document (150) marked with the security marking (100), and a method and a system for verifying and authenticating said security document (150). The security marking (100) comprises a machine readable marking (130) overlapping with a magnetically induced layer (120) of a material including magnetically oriented reflective platelet-shaped magnetic or magnetizable pigment particles with two zones (120a) and (120b) of distinct orientations of the particles. The encoded data on the machine readable marking (130) being decodable only after the data separately read from the two zones (120a) and (120b) are gathered.

The invention provides a dynamic polarization three-dimensional imaging system, which relates to the technical field of anti-counterfeiting encryption and comprises a light source, a polarization film and a color three-dimensional imaging module which are sequentially arranged along a light path, the light source is used for providing visible band incident light; the polarizing film is configured to transmit TM polarized light when rotating 0 degree and transmit TE polarized light when rotating 90 degrees; the color three-dimensional imaging module comprises a micro lens array, a transparent spacing layer and a micro image-text array which are sequentially arranged along a light path; the micro image-text array comprises a metal coating layer, a grating layer and a glass substrate which are stacked from top to bottom, wherein the grating layer forms a Fabry-Perot-like microcavity resonance structure; the polarization state of the incident light is switched by rotating the polarization film, so that the stereo image of the micro image-text array is dynamically switched among an appearing state, a hiding state or a color changing state. According to the invention, wide-color-gamut and dynamically-adjustable color stereo imaging is realized, and the complexity and the identifiability of anti-counterfeiting encryption are improved.

A decorative substrate includes a base, and a texture layer arranged on the base. A plurality of grating grids are arranged on a surface on the side of the texture layer from the base. The plurality of grating grids includes a plurality of grating structures annularly arranged around a central point. Each grating structure includes a plurality of strip-shaped protrusions, which are sequentially arranged in a radius direction of a circle with the central point as its center. In the grating grids, each strip-shaped protrusion includes a first surface close to the central point, and a second surface away from the central point. The first surface and the second surface are connected to a third surface of the strip-shaped protrusion. An included angle formed by the first surface and the third surface is less than or equal to an included angle formed by the second surface and the third surface.

An optical product can reproduce a first 3D image of at least part of a first 3D object and a second 3D image of at least part of a second 3D object. The optical product comprises a surface configured, when illuminated, to reproduce by reflected or transmitted light, the first 3D image without reproducing the second 3D image at a first angle of view, and the second 3D image without reproducing the first 3D image at a second angle of view. Each portion of first portions can correspond to a point on a surface of the first 3D object, and comprise first non-holographic features configured to produce at least part of the first 3D image. Each portion of second portions can correspond to a point on a surface of the second 3D object, and comprise second non-holographic features configured to produce at least part of the second 3D image.

The invention relates to the technical field of cigarette package anti-counterfeiting, in particular to a multilayer body with a 3D anti-counterfeiting effect, a preparation method of the multilayer body and an anti-counterfeiting packaging material. The multilayer body comprises a base material layer, a microlens array layer arranged on the front surface of the base material layer and a miniature image-text layer arranged on the rear surface of the base material layer, the base material layer comprises a protruding part and a plane part, the front surface of the base material layer comprises a convex surface and a front plane, and the rear surface of the base material layer comprises a concave surface and a rear plane; the micro lens array layer is arranged on the convex surface, and the miniature image-text layer is arranged on the concave surface. According to the invention, the microlens array layer forms the curved surface structure, so that the optical axis directions of the microlenses in different areas are naturally changed, a wider viewing angle is covered, and an observer can see a clear and distortionless three-dimensional image even if watching the three-dimensional image from a large lateral angle; and meanwhile, the light path change is more complicated, and a larger-amplitude and smoother dynamic effect is provided.

Methods and systems for configuring and rendering a fluorescent watermark may include modifying a non-partially reflective / absorptive UV ink from an original UV pattern by blending a minimum amount of partially reflective ink, and ensuring that the non-partially reflective / absorptive UV ink is rendered as part of a fluorescent watermark based on the non-partially reflective / absorptive UV ink. Modification of the non-partially reflecting / absorbing UV ink maintains the appearance of two or more pattern inks as a single color / pattern under office lighting. The fluorescent watermark may then be rendered on a substrate (e.g., paper or other material).

The disclosure includes a system and method to obtain at least one image of a document under test, wherein valid instances of the document under test include at least one perforation-based three-dimensional security feature; obtain a first image snippet from the document under test, the first image snippet corresponding to at least a first portion of the perforation-based three-dimensional security feature present in the valid instances of the document; analyze the perforation-based three-dimensional security feature for one or more characteristics; and modify a likelihood that the document under test is accepted as valid, or rejected as invalid, based on a presence, or an absence, of the one or more characteristics.

To provide an authenticity determination program for determining the authenticity of a card medium by obtaining an image that can be used to determine the authenticity of the card medium by instructing re-photography when a defective photographing part such as whiteout or the like is detected in the image. [Solution] The authenticity determination program causes a computer to execute a poorly photographed area detection procedure, which detects whether or not there are any poorly photographed areas in the image of the card medium when it is not certain that a known image has been detected, and if it detects that there are any poorly photographed areas, instructs the computer to take a video image of the card medium again and executes a display control procedure; and a determination procedure, which determines the authenticity of the card medium based on time series information of reflected light from a specific surface of the card medium contained in video image data of the card medium photographed by the camera with a guide displayed when it is certain that a known image has been detected, or if it detects that there are no poorly photographed areas or that there are significantly fewer poorly photographed areas.

Since a game token (chip) on a game table has a complicated design, it is difficult for an image analysis technology to judge whether a dealer correctly redeems chips corresponding to betted chips at the time of redemption and there has been a problem that mistake prevention is not sufficient. A table game management system according to the present invention includes: a camera (4) that images a game token (100) placed on a game table (1); and a management control device (9) that grasps a type (10 points, 20 points, 100 points, 1,000 points, or the like) of the game token (100) placed on the game table (1) based on a color of a side face of the game token (100) imaged by the camera (4).

A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and / or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and / or absorbance by the primer layer and / or the substrate at the same wavelength.

The invention discloses a construction method and application of NaYF4: Ln < 3 + > reversible photochromic polymer core-shell nanoparticles, and relates to the technical field of material preparation, and the technical key points are as follows: the NaYF4: Ln < 3 + > reversible photochromic polymer core-shell nanoparticles are prepared by utilizing the characteristics of luminescence concealment of rare earth doped NaYF4: Ln < 3 + > up-conversion nanoparticles (UCNPs) and dynamic fluorescence of a reversible photochromic polymer; the near-infrared / ultraviolet light dual-mode reversible photochromic fluorescent material is constructed, and the synergistic luminescence mechanism of the near-infrared / ultraviolet light dual-mode reversible photochromic fluorescent material is ascertained so as to realize the application of the near-infrared / ultraviolet light dual-mode reversible photochromic fluorescent material in multi-mode fluorescent anti-counterfeiting coding.

A communication system (100) for an object (102), comprising:a user interface element (104) configured to be coupled to the object (102), wherein the user interface element (104) comprises encoded data and / or information (106), preferably in the form of a QR code, andan identification element (108) contained in the user interface element (104), wherein the identification element (108) is configured to identify and / or track the object (102).

A tamperproof diamond package comprises a package body; at least one chip embedded in the package body and at least one antenna configured to enable communication with the chip; anti-counterfeiting visual impressions on the package body; a diamond pouch formed at a predetermined section within the package body; and one or more diamonds located inside the diamond pouch and an outer covering encasing the package body and configured to reveal any tampering with the one or more diamonds located in the diamond pouch. The diamond package can be credit card shaped and also contains serial number and website information and be provided in nominal dollar values. An associated diamond exchange system utilizes the diamond packages and provides a registration server which stores unique identifying information that enable interrogating the individual diamond packages and checking their authenticity with the registration server.

The present disclosure discloses a card having an inclined or excavated edge surrounding the card or part of the surface of the card. At least a part of the inclined or excavated edge or part of the surface of the card may be coloured or in white. The revealed part may particularly be formed by means of a printing process or alternatively by way of superimposed foil layers.

There is described a method of manufacturing a security article, said method comprising the steps of: introducing into an offset printing device a transparent film comprising a non-fibrous substrate layer of regenerated cellulose; and disposing printed information on at least a portion of said transparent film by an offset printing step, wherein said transparent film introduced into said offset printing device further comprises an ink-receptive layer on at least one surface of said substrate layer.

The invention belongs to the technical field of organic light-emitting materials, and particularly relates to a step-by-step stimuli-responsive crystalline light-emitting material and a preparation method and application thereof. The crystalline luminescent material is a crystalline material based on a polysulfide aromatic hydrocarbon type compound, and the polysulfide aromatic hydrocarbon type compound is a compound based on a tetrathiobenzene mother nucleus. The compound does not have a photoluminescence discoloration property in a crystalline state, but has an obvious photoluminescence discoloration property after the crystallinity is reduced through force stimulation; and the wavelength and proportion of fluorescence / phosphorescence of the compound and the molecular orbital of an excited state can be controlled by adjusting related substituents, so that the optical property is adjustable. The high-crystallinity material prepared from the compound has a response effect on step-by-step stimulation of force and light, so that the high-crystallinity material can be applied to encryption anti-counterfeiting, information storage and the like. The application scenarios include currency anti-counterfeiting, certificate anti-counterfeiting, commodity package anti-counterfeiting, bill anti-counterfeiting, artwork anti-counterfeiting, electronic equipment anti-counterfeiting, logistics anti-counterfeiting, supply chain anti-counterfeiting and the like.

The invention belongs to the technical field of polymer films and anti-counterfeiting, and discloses a preparation method of a full-coverage positioning type anti-counterfeiting functional film, a base material layer, a functional layer and a protective layer are obtained at a time through three-layer synchronous extrusion forming, and step-by-step superposition errors are avoided; engraving a code alignment mark on the surface of the thin film, and accurately aligning and curing the micro-lens array and the holographic pattern by combining machine vision positioning and a nanoimprint process; and then carrying out ultraviolet crosslinking treatment to obtain the composite film which simultaneously has a visible anti-counterfeiting pattern, a microscopic optical structure and a near-infrared up-conversion luminescence function. According to the method, the technological process is simplified, the anti-counterfeiting recognition reliability is improved, and the imitation difficulty is effectively improved.

A method for manufacturing a trading card with improved surface characteristics, comprising: a step 1 of supplying a trading card having a UV varnish coating layer formed thereon; a step 2 of printing and applying UV varnish on upper part of the UV varnish coating layer; a step 3 of attaching a UV casting film on upper part of the trading card having the UV varnish applied thereon; a step 4 of curing the UV varnish using a UV lamp; a step 5 of peeling the UV casting film.