发明授权
US5471281A Image reading apparatus and copying apparatus having means for radiating
visible and non-visible light, image processing apparatus having means
for discriminating a specific orginal and image processing method
therefor
失效
具有用于辐射可见光和不可见光的装置的图像读取装置和复制装置，具有用于区分其特定的原始和图像处理方法的装置的图像处理装置
- 专利标题： Image reading apparatus and copying apparatus having means for radiating visible and non-visible light, image processing apparatus having means for discriminating a specific orginal and image processing method therefor
- 专利标题（中）： 具有用于辐射可见光和不可见光的装置的图像读取装置和复制装置，具有用于区分其特定的原始和图像处理方法的装置的图像处理装置
-
申请号： US139172申请日： 1993-10-21
-
公开(公告)号： US5471281A公开(公告)日： 1995-11-28
- 发明人: Toshio Hayashi , Shinobu Arimoto , Kazuo Yoshinaga , Takehiko Nakai , Tsutomu Utagawa , Tetsuya Nagase , Nobuatsu Sasanuma
- 申请人： Toshio Hayashi , Shinobu Arimoto , Kazuo Yoshinaga , Takehiko Nakai , Tsutomu Utagawa , Tetsuya Nagase , Nobuatsu Sasanuma
- 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： JPX4-286351 19921023; JPX4-286379 19921023; JPX4-286382 19921023
- 主分类号： G03G21/04
- IPC分类号： G03G21/04 ; H04N1/00 ; H04N1/40 ; H04N1/48
摘要：
This invention has as its object to reduce the apparatus scale by simplifying the arrangement of an image reading apparatus for radiating light including both visible and non-visible components, and detecting light obtained from a predetermined image, and provides an image reading apparatus which has illumination means for simultaneously radiating both light including a visible component and light including a non-visible component, and detection means for detecting light obtained from a predetermined image in accordance with the light radiated from the illumination means, including filter means which can be switched in accordance with whether the visible or non-visible component is radiated from the illumination means onto the predetermined image, and control means for controlling a switching operation of the filter means.