Substrate producing three-dimensional images

Details Substrate producing three-dimensional images Substrate producing three-dimensional images

G - Physics

02

B

G02B 27/22 (2006.01) B42D 15/00 (2006.01) G06K 19/18 (2006.01)

Patent

CA 2263405

A substrate is arranged to present a three-dimensional optical image to a viewer, the substrate being formed with a plurality of stereo pairs of grooves or ridges, each such pair of elements providing the viewer with an image of a point at a predetermined distance from the plane of the substrate: the plurality of point images forms the three-dimensional optical image. For example, a pair of linear grooves (14, 16), oriented as shown, reflect incident light (B) into the respective eyes of a viewer, to give the image of a point (P) at a distance (r) behind the substrate surface.

La présente invention concerne un substrat agencé de manière à présenter une image optique tridimensionnelle à un spectateur. Ledit substrat est formé de plusieurs paires stéréoscopiques de rainures ou de nervures, dont chacune présente au spectateur l'image d'un point situé à une distance prédéterminée du plan du substrat, les différentes images ponctuelles formant l'image optique tridimensionnelle. Par exemple, les deux rainures linéaires (14, 16) orientées suivant l'illustration reflètent la lumière incidente (b) dans les yeux respectifs d'un spectateur, fournissant de la sorte l'image d'un point (p) situé à une distance (r) derrière la surface du substrat.

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