Abstract: A sheet including a substrate and a security device including at least one area having an interferential effect. The security device further includes at least one tactile recognition member provided in the same region as the area having an interferential effect. A security document and an article to be authenticated including the sheet are also provided.

Abstract: The invention relates to a security device comprising a security element composed of: a carrier substrate (1) provided with at least one optically variable effects generating structure (2) situated in defined areas of the said carrier, a first reflective layer (3) visible at least where it coincides with the said optically variable effects generating structures (2) and comprising a reflection enhancing material, at least one second distinctive reflective layer (4) situated only outside the optically variable effects generating structures (2) and comprising a reflective material different from that of the first layer (3). These layers (3,4) can comprise further patterns (7). The invention relates to a security support (9) or document comprising the said security device too.

Abstract: The invention relates to a security element comprising a carrier substrate comprising a transparent or translucent area carrying at least one digitised mark made of at least one set of dots appearing as a three dimensional mark when viewed in transmitted light. The invention relates to a security support or document or article comprising the said security element and to the method of identification and/or authentication of this security support or document or article.

Abstract: A security structure intended to be incorporated or fastened, at least partially, in or on an article, for example a security document and/or a document of value, includes at least one first fluorescent zone capable of emitting by fluorescence, under a predefined illumination condition, visible light of a first color; and at least one second fluorescent zone capable of emitting by fluorescence, under the predefined illumination condition, visible light of a second color that differs from the first, the first and second fluorescent zones being observable from the respective opposed faces of the structure.

Abstract: The present invention relates to printable security paper that includes a region capable of receiving printed indicia on the front side and on the reverse side which are observable in reflected light and form an image observable in transmitted light, as security element protecting against two-sided copying, characterized in that such region is a screened region having an average overall opacity less than the opacity of the vellum part of the rest of the paper, said screened region being made up from alternations of vellum miniregions, having an approximately constant thickness equal to that of the vellum part of the rest of the paper, and of miniregions of reduced opacity because of their smaller thickness compared with the vellum miniregions. The invention also relates to the security document obtained with this paper.

Abstract: An optical disk is provided that includes a face carrying information that is readable by a laser while the disk is being driven in rotation, the face being defined by a flexible structure; a support stiffening the flexible structure and including at least one fiber layer having a thickness; and an identification and/or authentication element carried by the support, the identification and/or authentication element being configured to emit a detectable signal on being illuminated by the laser that is used for reading the information present on the face, the identification and/or authentication element being inside and/or outside the support.

Abstract: The invention relates to a flat security element, having a front side and a reverse side, and being relatively small in size, such as planchettes, including, at least on one of its sides, at least one in-register authentication pattern and/or an authentication pattern resulting from the combination and/or superposition of a pattern on its front side and of a pattern on its reverse side, at least one of said authentication patterns being at least partly observable in transmitted light. It also relates to the manufacturing process thereof and to the security sheets and documents containing them.

Abstract: The invention relates to a sheet comprising a substrate and a securing means including at least one area having an interferential effect, wherein the securing means further includes at least one tactile recognition member provided in the same region as said area having an interferential effect. The invention also relates to a security document and an article to be authenticated comprising said sheet.

Abstract: The present invention relates to an optical disk comprising: a face (2) carrying information that is readable by a laser while the disk is being driven in rotation, said face being defined by a flexible structure (3); a support (4) serving to stiffen the flexible structure and comprising at least one fiber layer; and an identification and/or authentication element (6) carried by the support.

Abstract: The invention relates to a security element comprising a carrier substrate comprising a transparent or translucent area carrying at least one digitised mark made of at least one set of dots appearing as a three dimensional mark when viewed in transmitted light. The invention relates to a security support or document or article comprising the said security element and to the method of identification and/or authentication of this security support or document or article.

Abstract: The invention relates to a security structure (3), for at least partial incorporation, or fixing in or on an article, for example, a security and/or value document, said structure comprising: at least one first fluorescent zone, which may emit a visible light of a first colour by fluorescence under given illumination conditions, at least one second fluorescent zone, which may emit a visible light of a second colour by fluorescence under given illumination conditions, different from the first, the first and second fluorescent zones being observable from opposing faces (19) of the structure.

Abstract: The present invention relates to a document such as a bank note, including: a plurality of juxtaposed interference semi-reflecting multilayer structures; and a zone that is preferably transparent at least part in which there extends at least part of at least one of the multilayer interference structures, which structures are configured in such a manner that an observer can perceive a first color in reflection and a second color, different from the first, in transmission.

Abstract: The present invention relates to a security document, useful in particular for preventing falsification and counterfeiting of payment vouchers or official documents by reproduction, characterized in that it includes, as security means, a security protection feature (M) consisting of a first feature (M1) formed from substances exhibiting an interferential effect and of a second feature (M2) formed from substances that react to certain stimulations, such as light radiation or thermal, magnetic, electromagnetic, electrical or microwave-type stimulation, giving a light response visible to the human eye or a specific signal detectable by means of a suitable apparatus. The invention also relates to the method of producing said document.

Abstract: The invention relates to a flat security element, having a front side and a reverse side, and being relatively small in size, such as planchettes, including, at least on one of its sides, at least one in-register authentication pattern and/or an authentication pattern resulting from the combination and/or superposition of a pattern on its front side and of a pattern on its reverse side, at least one of said authentication patterns being at least partly observable in transmitted light. It also relates to the manufacturing process thereof and to the security sheets and documents containing them.

Abstract: The present invention relates to printable security paper that includes a region capable of receiving printed indicia on the front side and on the reverse side which are observable in reflected light and form an image observable in transmitted light, as security element protecting against two-sided copying, characterized in that such region is a screened region having an average overall opacity less than the opacity of the vellum part of the rest of the paper, said screened region being made up from alternations of vellum miniregions, having an approximately constant thickness equal to that of the vellum part of the rest of the paper, and of miniregions of reduced opacity because of their smaller thickness compared with the vellum miniregions. The invention also relates to the security document obtained with this paper.

Abstract: A packaging device may include a plurality of packaging elements. Each of the packaging elements may include at least one unit of a product. The packaging units may be fixed to each other or contained in a single outer container. The packaging device may also include a plurality of safety elements belonging to the packaging elements or fixed to them. The safety elements positioned so as to allow the combined dispensing of at least one packaging element and at least one safety element.