发明授权
US06661545B2 Image reading apparatus, and dimming control method and line sensor layout method therefor
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图像读取装置，调光控制方法及其线传感器布局方法
- 专利标题： Image reading apparatus, and dimming control method and line sensor layout method therefor
- 专利标题（中）： 图像读取装置，调光控制方法及其线传感器布局方法
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申请号： US09318994申请日： 1999-05-26
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公开(公告)号： US06661545B2公开(公告)日： 2003-12-09
- 发明人: Hiroshi Sato , Hiroyoshi Maruyama , Ken Tanabe , Masashi Minami , Shigeo Yamagata , Mitsuru Kurita , Koji Arai , Tsutomu Utagawa , Koichi Ishimoto
- 申请人： Hiroshi Sato , Hiroyoshi Maruyama , Ken Tanabe , Masashi Minami , Shigeo Yamagata , Mitsuru Kurita , Koji Arai , Tsutomu Utagawa , Koichi Ishimoto
- 优先权： JP10-151184 19980601; JP10-200705 19980715; JP10-211021 19980727; JP10-215601 19980730
- 主分类号： H04N146
- IPC分类号： H04N146
摘要：
In an image reading apparatus for reading an original image using a light source containing a plurality of color components, a control pulse for dimming the light source is generated by pulse-width modulation symmetrically with respect to a reference timing (for example, the central position in one storage time or the storage start timing) in one predetermined storage time of a line sensor.
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