Holograms
AssigneeSatori Limited
InventorKaveh Bazargan
Life of this patent
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Abstract
A hologram viewing apparatus, an integral direct viewing hologram device and an article useful in the manufacture of hologram devices are predicated upon a particular set of components grouped according to a number of permutations. The viewing apparatus comprises a screen consisting of at least a plane grating, the hologram device comprises a venetian blind film having a hologram embossed on or bonded onto one surface and a plane grating embossed on or bonded onto the other surface, and the article useful in the manufacture of hologram devices comprises a venetian blind film embossed on one side with a plane grating.
Claims8
A hologram viewing apparatus comprising a housing having a window in the form of a diffraction grating in combination with a venetian blind film, a light source within the housing for illuminating the window from behind, and hologram holding means associated with the housing for holding a hologram adjacent the outside of the window for viewing the hologram by looking into the housing.
Dependencies are inferred from the claim text.