Patent ID: 6771401
Filing Date: 2004-08-03
Classification: H04N

Abstract:
A light source module arranged in an image scanning device having a scanning platform and an image-pickup module for scanning a transparent object, comprising:a cover; three monochromatic light sources, each of which has a different color and mounted in said cover for emitting three different monochromatic lights to said scanning platform for scanning said transparent object; three guiding devices, each of which is connected to one end of said three monochromatic light sources for guiding said three different monochromatic lights to said scanning platform; a switching mechanism connected to said three guiding devices for being controlled to alternately allow one of said three different monochromatic lights to be transmitted to said scanning platform; and a transmission mechanism for carrying said three different monochromatic light sources, said three guiding devices, and said switching mechanism to move with said image-pickup module for accomplishing a scanning operation to said transparent object.