| 发明名称 |
Image forming apparatus. |
| 摘要 |
<p>There is disclosed an image forming apparatus which forms a predetermined test image, detects the spatial frequency characteristic of the test image, and determines the optimum image forming condition on the basis of the detected spatial frequency characteristic. <IMAGE></p> |
| 申请公布号 |
EP0551176(A2) |
申请公布日期 |
1993.07.14 |
| 申请号 |
EP19930300035 |
申请日期 |
1993.01.05 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
NAGAO, YOSHINORI;AMEMIYA, KOJI;MASAMI, IZUMIZAKI;SASANUMA, NOBUATSU |
| 分类号 |
B41J2/44;B41J2/525;G03G15/00;G03G15/01;G03G15/06;G03G15/08;H04N1/23;H04N1/29 |
主分类号 |
B41J2/44 |
| 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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