Patent ID: 6817745
Filing Date: 2004-11-16
Classification: A43B,F21S,F21Y,G02B

Abstract:
Optical means comprising an optical source, selection means and optical guiding means, said optical source comprising means for producing a plurality of optical regions of different colours, said optical source being disposed so that light originating from said plurality of optical regions is projected towards said optical guiding means and portions of light projected from said plurality of optical regions of different colours are combined to form a region of projected light of combined colours, said optical guiding means comprising a plurality of elongated optical guides for guiding light coupled to the upstream ends of said optical guides to their downstream ends, said selection means comprising partitioning means adapted for selecting light of a selected colour from said plurality of optical regions of different colours or from said region of combined colours and means for selectively aligning the upstream ends of said optical guides to said partitioning means.