发明名称 |
Image reader, light guide used for the same, and method of making light guide |
摘要 |
An elongate light guide includes a light incident portion provided at an end in the longitudinal direction of the guide, a light reflecting portion extending in the longitudinal direction, a light emitting portion extending in the longitudinal direction for emitting linear light, and a scatterer for scattering the light entering through the light incident portion. For instance, the scatterer is provided as a grained portion formed at least part of the reflecting portion.
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申请公布号 |
US8520270(B2) |
申请公布日期 |
2013.08.27 |
申请号 |
US201213396120 |
申请日期 |
2012.02.14 |
申请人 |
SAWADA HIDEKI;NAGAO YASUHIRO;ROHM CO., LTD. |
发明人 |
SAWADA HIDEKI;NAGAO YASUHIRO |
分类号 |
H04N1/04;H04N1/46 |
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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