| 发明名称 |
Image scanner for use in image forming apparatus |
| 摘要 |
In an image reading apparatus according to the present invention, a black reference plate used for shading correction includes a light shielding plate. When the light shielding plate shields an optical path leading to a CCD sensor, the light emitted from an illumination device is prevented from falling on the CCD sensor.
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| 申请公布号 |
US2003063327(A1) |
申请公布日期 |
2003.04.03 |
| 申请号 |
US20010965797 |
申请日期 |
2001.10.01 |
| 申请人 |
TOSHIBA TEC KABUSHIKI KAISHA |
发明人 |
SONE TOSHIHIRO |
| 分类号 |
H04N1/00;H04N1/10;H04N1/193;H04N1/401;(IPC1-7):H04N1/46;H04N1/40 |
主分类号 |
H04N1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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