发明名称 Determining if the photoelectric conversion element is defective
摘要 An original holder of an image reading apparatus that reads and image of an original based on an amount of an electric charge generated by a photoelectric conversion element due to received light, when the original placed on a placement surface is illuminated by a light source, including an original holder body placed on the placement surface while holding the original so as to position the original on the replacement surface and a filter member with a predetermined transmittance that transmits light from the light source to be received by the photoelectric conversion element.
申请公布号 US7623262(B2) 申请公布日期 2009.11.24
申请号 US20060524696 申请日期 2006.09.20
申请人 SEIKO EPSON CORPORATION 发明人 KOBAYASHI KENJI
分类号 H04N1/00;H04N1/04 主分类号 H04N1/00
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