发明名称 BIOLOGICAL INFORMATION IMAGING DEVICE AND BIOMETRIC AUTHENTICATION, AND MANUFACTURING METHOD OF BIOLOGICAL INFORMATION IMAGING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a biological information imaging device capable of reducing unevenness in luminance on a biological image that is photographed with illumination light mirror-reflected on the surface of a portion including biological information.SOLUTION: A biological information imaging device 1 includes: an imaging unit 2 that photographs a portion including biological information, and creates a biological image representing the biological information; at least one light source 3 that are arranged around the imaging unit 2, and irradiate a photographic range of the imaging unit 2 with light; and a light guide member 4 that is arranged to face the at least one light source 3, and has recesses on the surface closer to the imaging unit 2 side than the at least one light source 3.
申请公布号 JP2014137641(A) 申请公布日期 2014.07.28
申请号 JP20130004830 申请日期 2013.01.15
申请人 FUJITSU LTD 发明人 AOKI TAKAHIRO;HIRAI YUKIO
分类号 G06T1/00;A61B5/117 主分类号 G06T1/00
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