发明名称 |
Image reading device and image forming device |
摘要 |
An image reading device is provided. The image reading device suppresses uneven intensity of light emitted on a subject, by disposing a diffusion plate between the subject and a plurality of luminescence portions, and an image forming device that includes this image reading device. The image reading device includes an illumination portion that irradiates light onto a subject. The illumination portion includes: a plurality of LED's disposed at predetermined intervals in a main scanning direction; and an elliptical diffuser plate that is disposed between the subject and the plurality of LED's and diffuses light emitted by the plurality of LED's in a higher diffusion rate in the main scanning direction than in a sub-scanning direction. |
申请公布号 |
US8325392(B2) |
申请公布日期 |
2012.12.04 |
申请号 |
US20090408484 |
申请日期 |
2009.03.20 |
申请人 |
TAGAWA HIROTOSHI;HIGASHITANI MASAHIRO;OKAMOTO KATSUHIKO;HORIGUCHI YASUYUKI;OUCHI KEI;TAKAHASHI SOU;KYOCERA DOCUMENT SOLUTIONS INC. |
发明人 |
TAGAWA HIROTOSHI;HIGASHITANI MASAHIRO;OKAMOTO KATSUHIKO;HORIGUCHI YASUYUKI;OUCHI KEI;TAKAHASHI SOU |
分类号 |
H04N1/04 |
主分类号 |
H04N1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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