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Decoration of a transparent article having at least two functional facets by including within it a minimum of two holograms, at least one of the two of which can be reconstructed or displayed thanks to the transparency property of the other
Decoration of a transparent article having at least two functional facets by including within it a minimum of two holograms, at least one of the two of which can be reconstructed or displayed thanks to the transparency property of the other
This articles is represented by way of non-limiting example, cut along a vertical plane, and consists of three transparent parts 1, 2, 3, an opaque part 4, two holograms 5, 6 and four superposed holograms 7. alpha 1, alpha 2 and alpha 3 are the angles of the reference beams of the holograms. gamma 1, gamma 2 and gamma 3 are the angles of the image beams. The light rays @ and @ are diffracted by the holograms 5, 6 and are directed towards the observers who therefore observe the holographic images through the functional facets 8, 9. This decorative article can be used for all decorations, fashion accessories, light fittings and any transparent decorative article having facets. IMAGE
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