发明授权
US06204938B1 Linear illumination device and image reading apparatus using the same
失效
线性照明装置及使用其的图像读取装置
- 专利标题： Linear illumination device and image reading apparatus using the same
- 专利标题（中）： 线性照明装置及使用其的图像读取装置
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申请号： US09115062申请日： 1998-07-14
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公开(公告)号： US06204938B1公开(公告)日： 2001-03-20
- 发明人: Toshiro Horiuchi , Kohichi Takesako , Takashi Yamanaka , Yoshihiko Chosa , Tetsuro Nakamura
- 申请人： Toshiro Horiuchi , Kohichi Takesako , Takashi Yamanaka , Yoshihiko Chosa , Tetsuro Nakamura
- 优先权： JP9-188087 19970714
- 主分类号： H04N104
- IPC分类号： H04N104
摘要：
A linear illumination device, includes: a light conducting body; a light diffusion portion formed at least on one side surface in a longitudinal direction of the light conducting body; a light output portion formed in a portion of the light conducting body opposing the light diffusion portion; a light source portion disposed at a first end of the light conducting body; and a light reflecting layer provided at a second end opposing the first end of the light conducting body.
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