发明名称 |
Image reading apparatus |
摘要 |
An image reading apparatus for reading documents disposed face upward on a document platen by optical scanning. The image reading apparatus comprises a color correction filter which has characteristics for shielding light of visible light range and is inserted into said imaging system on prescanning to detect the height of the document.
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申请公布号 |
US5705806(A) |
申请公布日期 |
1998.01.06 |
申请号 |
US19970827777 |
申请日期 |
1997.04.11 |
申请人 |
MINOLTA CO., LTD. |
发明人 |
MATSUDA, SHINYA;KAMON, KOICHI |
分类号 |
H04N1/00;H04N1/10;H04N1/193;H04N1/48;(IPC1-7):H01J40/14 |
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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地址 |
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