发明授权
US4674863A Image forming apparatus controlled by a plurality of image density
detectors
失效
由多个图像浓度检测器控制的图像形成装置
- 专利标题： Image forming apparatus controlled by a plurality of image density detectors
- 专利标题（中）： 由多个图像浓度检测器控制的图像形成装置
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申请号： US637792申请日： 1984-08-06
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公开(公告)号： US4674863A公开(公告)日： 1987-06-23
- 发明人: Masahiro Tomosada , Masanori Miyata , Hideki Adachi , Yukio Sato
- 申请人： Masahiro Tomosada , Masanori Miyata , Hideki Adachi , Yukio Sato
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX58-145120 19830810; JPX58-145121 19830810; JPX58-145122 19830810
- 主分类号： G03F7/20
- IPC分类号： G03F7/20 ; G03G15/00
摘要：
An improved image forming apparatus for controlling image density at an optimum level. The image forming apparatus has a plurality of detectors for detecting an original image density. The detectors have mutually different detecting characteristics, wherein image forming conditions are controlled based on the outputs of the detectors. Control may be effected in accordance with a comparison of the detected values, and in accordance with a selected operation mode.
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