Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 14, 2006
Patent Application Number
11271730
Date Filed
November 9, 2005
Patent Primary Examiner
Patent abstract
In a contact type image sensor including an illumination section including a light source and light guide to illuminate a document, an image sensing element for converting an optical image of the document into an electrical signal, a cylindrical rod lens for forming an optical image on the image sensing element, and a frame for integrally holding the illumination section, image sensing element, and cylindrical rod lens, the light guide has undergone antireflection treatment on a surface thereof on the document side.
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