Patent ID: 7883256
Filing Date: 2011-02-08
Classification: G04B,G04G

Abstract:
1. An electronic device, comprising: (a) a watch case; and (b) an optical device, housed in the watch case, for forming at least one figurative image in a first predefined direction in relation to the watch case; the optical device including wherein the optical guide includes at least two networks of optical extractors, wherein the at least one light source includes wherein each of the optical extractors has predefined geometrical features including at least one reflective or refractive surface, which has a normal so as to face the corresponding light source, at a certain predefined angle, such that the light beams emitted by the light source that are reflected or refracted, respectively, by one of the first or the second networks of optical extractors, to form a network of light beams that generates a figurative image in the direction of an observer; wherein each light source is arranged in proximity to the lateral face of the optical guide, each light source emitting light in a predefined direction such that the light is reflected on the reflective surface, or the light is refracted on the refractive surface, respectively, of the corresponding network of optical extractors; wherein the first and second networks of optical extractors are interlaced on the large face of the optical guide; and wherein when the first and second light sources are simultaneously powered, the interlaced first and second networks of optical extractors are simultaneously illuminated to produce a first figurative image and a second figurative image, respectively, and wherein the first and second figurative images together form a complete figurative image.