Abstract: Licence plates with a data medium and a slot antenna have low transmission and reception performance for electromagnetic waves as a rule. Moreover, the positioning of the slot antenna is severely limited by an inscription on the licence plate. The invention provides a licence plate with a data medium and an antenna with improved transmission power and at the same time sufficient space for the positioning of the antenna. This is achieved by a licence plate body of the licence plate having at least one cavity, and a front of the licence plate body or a coating of the front of the licence plate body covering the cavity comprises a slot structure forming the antenna.

Abstract: Exemplary embodiments of the present disclosure are directed towards methods and apparatus for molding-in gaskets that serve as light blockers, within the grooves of a moving planar work material. The gaskets comprise of a hot melt adhesive material that is in a molten state above a particular temperature and gets solidified below a particular temperature. Another exemplary embodiment of the present disclosure is directed towards a planar work material having grooves that are filled with molded-in gaskets, wherein the gaskets are made up of a hot melt adhesive material. The gaskets made of the hot melt adhesive material bond securely with the panels because of inherent adhesive properties, and provide structural stability to the light panels. Another exemplary embodiment of the present disclosure is directed towards the use of a hot melt adhesive material as the molding material for molding-in gaskets within the grooves of a planar work material.

Abstract: A prismatic retroreflective sheeting includes a structured layer that includes a plurality of cube corner elements including a reduced tungsten oxide, a radiation-treated region, and a non-radiation-treated region. The prismatic retroreflective sheeting includes also includes an information-containing layer above the structured layer. The information-containing layer includes at least one indicia defining an edge. The radiation-treated region of the structured layer is adjacent and below at least part of the edge of the at least one indicia.

Abstract: The invention relates to a display device, to a backlighting element, and to a method of manufacturing a backlighting element and a display device, the display device comprising a display element, the display element being backlit using a light source, a backlighting element being provided to backlight the display element, the backlighting element comprising a light guide part providing the light guide functionality, the backlighting element comprising a reflective element part, the light guide part of the backlighting element and the reflective element part being functionally combined with one another, the reflective element part and the light guide part of the backlighting element being joined, during the manufacture of the backlighting element, to form a single component.

Abstract: Retroreflective articles comprise a substrate and a bar code provided on the substrate. The bar code comprises at least one human-readable information which provides framing information and a machine-readable information which provides variable information. The human-readable information is visible under a first condition and invisible under a second condition, and the machine-readable information is invisible under the first condition and visible under the second condition.

Abstract: A sign plate 1 includes a plate-shaped metal plate 2 having a a slot 23 which penetrates from the front surface 21 toward the back surface 22, an RFID inlay 3 arranged on the front surface 21 of the metal plate 2 so as to straddle the slot 23, and a retroreflective sheeting 4 arranged on the front surface 21 of the metal plate 2 and having a mirror reflective region 41 and a non-mirror reflective region 42. In a plan view of the retroreflective sheeting 4, the mirror reflective region 41 includes a plurality of mirror reflective regions which are formed as independent regions by being divided by the non-mirror reflective region 42, the slot 23 region overlaps the mirror reflective region 41 and the non-mirror reflective region 42, and the overlapping mirror reflective region 41 does not straddle the slot 23.

Abstract: A vehicle identification system that provides means for verifying the identity and authenticity of pursuing law enforcement vehicles by means of reversed or “mirrored” character indicia being placed on a law enforcement vehicle's windshield denoting the vehicle's identification so a motorist may look in their rearview mirror, call a police station and give the law enforcement vehicle identification to an operator who gives instruction to the motorist.

Abstract: A multi-image license plate assembly having a series of horizontally disposed rotating display members operably controlled by a rotational drive mechanism. The drive mechanism can be a series of gears, pulleys, belts, chains, a worm gear assembly, or other means. The horizontally disposed rotating display members rotated about a horizontal axis. The rotating display members preferably have three image surfaces. An image is segmented, with each segment applied to a respective image surface of each of the display members, such that when the image surfaces are aligned, the complete image is displayed. The image can be applied directly to the rotating member or applied to an insert. An adapter mount is provided for fastening the multi-image license plate assembly to a vehicle.

Abstract: A film (1) which includes at least one transparent replicating layer (2) having a diffractive relief structure (3) and a reflective layer, the reflective layer being formed by at least one pigmented lake layer (4), and the film (1, 1?, 1?) showing a latent optically variable effect produced by the diffractive relief structure (3), and the use thereof. Further a method for the production of such a film.

Abstract: A method of marking prismatic retroreflective sheeting includes providing prismatic retroreflective sheeting having a front side and a back side, the back side having prismatic features and directing a radiation source at the back side of the prismatic retroreflective sheeting and irradiating a plurality of the prismatic features. The radiation forms a mark in the prismatic retroreflective sheeting.

Abstract: A multi-image license plate assembly having a series of horizontally disposed rotating display members operably controlled by a rotational drive mechanism. The drive mechanism can be a series of gears, pulleys, belts, chains, a worm gear assembly, or other means. The horizontally disposed rotating display members rotated about a horizontal axis. The rotating display members preferably have three image surfaces. An image is segmented, with each segment applied to a respective image surface of each of the display members, such that when the image surfaces are aligned, the complete image is displayed. The image can be applied directly to the rotating member or applied to an insert. An adapter mount is provided for fastening the multi-image license plate assembly to a vehicle.

Abstract: The invention relates to an automobile metal plate for identifying a vehicle, said plate comprising a metal base, a reflective material, an encapsulated hologram that can be hot- or cold-stamped, and a laminating material which forms a single integral body comprising the reflective material, the hologram and the actual laminate. The structure of said vehicle identification plate prevents the encapsulated hologram from being modified in any way. The encapsulated hologram cannot be detached or erased or altered by any physical or chemical means.

Abstract: In identification devices having a contactlessly readable data carrier (20 equipped with an antenna (17), the antenna (17) assigned to the data carrier (20) is formed by an electrically conductive part of the identification device (10) with a slit (18) provided therein, making the antenna (17) an integral component of the identification device (10), and making a separate antenna (17) redundant.

Abstract: The invention relates to a license plate for vehicles that comprises a light guide comprising a matrix of a transparent polymeric material A having distributed therein particles of a material B for scattering light within the light guide. The license plate further comprises a retroreflective sheet having a retroreflective face that faces a first side of the light guide. The invention provides for an optimized illuminated license plate, and methods of making such license plate.

Abstract: The present invention provides a semi-transparent retroreflective material having a retroreflective side (16) and an opposite rear side (17), the retroreflective material having a regular or irregular two dimensional pattern of transparent and opaque areas, said retroreflective material comprising a layer of transparent microspheres (20) and a reflective layer located functionally behind said layer of transparent microspheres, said reflective layer comprising a regular or irregular two dimensional pattern of metal areas (11) of contiguous metal and open areas (12) having substantially no metal, wherein open areas (12) of said reflective layer correspond to transparent areas of said retroreflective material and metal areas (11) of said reflective layer correspond to opaque areas of said retroreflective material and wherein said transparent microspheres (20) are present in said transparent and opaque areas and wherein said transparent areas comprise at least 5% of the total surface of said retroreflective mater

Abstract: The present invention relates to a registration sign for vehicles, where the registration sign (2) comprises a sign package (38) consisting of individual plastic film sections (6a, 9a), a bottom sheet (18) and a front panel (12), and also comprises a frame (21) which surrounds the sign package. According to the invention, the registration sign (2) comprises in addition at least one transponder (50) for receiving and/or transmitting radio signals and the transponder (50) is embedded in the frame (21). The present invention also relates to a method for the manufacture of a registration sign whereby at least one transponder (50) is fastened on and/or in the sign package (38) for the registration sign (2) and the transponder 50 is embedded in the frame (21) when the latter is injection-molded round the edges of the sign package (38).

Abstract: The present invention relates to a self-luminescent license plate and a method of using it for clearly discerning the identifying information on the license plate in environments with low visibility. It comprises a suitable luminescent material applying on the license plate to make the letters and numbers thereon more visible. This invention also relates to a regulation that requires the license plates to be luminescent treated. The invention is inexpensive and easy to apply, while provides benefits of improving traffic flow, reducing accidents and deterrence of hit-and-run.

Abstract: A decorative sheet including a pattern with a third-dimensional appearance is provided. The decorative sheet has a reflective layer for reflecting incident light. On the reflective layer, a transparent layer is formed. On the transparent layer, a light shielding layer for shielding incident light is formed. A pattern layer is interposed between the light shielding layer and the reflective layer in such a manner, for example, that it is included in the rear surface of the light shielding layer or in the transparent layer. The light shielding layer is provided with a plurality of through holes for passing incident light toward the reflective layer and emission light which leads out a pattern image reflected in the reflective layer.

Abstract: The present invention relates to a sign, preferably a registration sign for vehicles, which sign (2) includes a portion or member (16) consisting of a portion of a film web (6) or of a row of separate film portions, whereby said portion (16) is provided with information (3), preferably registration symbols or characters for vehicles, while toner material (25) has been applied thereon by electronically variable application in an electronic printer. For being able to manufacture this sign at low costs and by means of a simple manufacturing method, the toner material is applied on a surface of said portion (16), preferably a surface (23) reflecting light from headlamps, by means of an electronic printer in the form of an ionographic printer (24) wherein the toner material is fixed on the surface of said portion (16) with pressure by a cold pressure and fixing method. (FIG. 1).

Abstract: A weather resistant sign and a method of printing a sign including the steps of providing a sign component and an image definition, applying dry toner powder to surface portions corresponding to the image definition, and fusing the applied toner. Preferably, the fused toner is protected from weather by a transparent protective layer. A toner composition and a computer program for printing are also disclosed.

Abstract: This invention pertains to a procedure for making reflecting plates, having reflective film, to be used for vehicle licenses and identification, whose identification characters are raised or depressed and then blocked with a paint or substance, using rollers to prevent them from being painted when the entire background or front of said plate, which is opaque, translucent or less reflective than the identification characters on said plate, is painted, and the product resulting from said process.