Patent ID: 6191872
Filing Date: 2001-02-20
Classification: H04N

Abstract:
A scanner comprising:(a) an illuminator comprising a plurality of illumination sources each having a different integrated spectral output;(b) an integrating chamber to receive light from each of the illumination sources of the illuminator through respective input ports of the integrating chamber and direct it through an output port of the chamber;(c) a plurality of interference filters each positioned between a corresponding input port of said respective input ports and an illumination source of said plurality of illumination sources;(d) a plurality of light concentrators each positioned between a corresponding illumination source of said illumination sources and an input port of said respective input ports;(e) a media holder to hold a media carrying an image for scanning, the media held by said media holder being positioned to receive light from the output port of the integrating chamber; and(f) a sensor positioned to receive light from the media so as to generate an image signal corresponding to an image on a media positioned at the media holder.