发明名称 |
Image sensor unit, and image reading apparatus and image forming apparatus using the same |
摘要 |
An image sensor unit includes: a light guide reflecting light rays entering through a first light entering surface and a second light entering surface provided at both ends thereof, by a reflection surface to make the light rays exit through a light exiting surface and illuminates an original; a first light source provided near the first light entering surface; a second light source provided near the second light entering surface and different in wavelength from the first light source; and a first reflection part and a second reflection part provided on the reflection surface and composed of dot patterns constituted of two kinds of dots different in spectral reflectance. |
申请公布号 |
EP2523446(A2) |
申请公布日期 |
2012.11.14 |
申请号 |
EP20120167240 |
申请日期 |
2012.05.09 |
申请人 |
CANON COMPONENTS, INC. |
发明人 |
SHIMODA, SHUUICHI |
分类号 |
F21V8/00;H04N1/028;H04N1/193 |
主分类号 |
F21V8/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|