| 摘要 |
An image reader has a light source for illuminating an original; a lens array having many convex lenses arranged at an equal interval and converging light reflected on the original; a roof mirror array having roof type reflecting faces arranged at the same interval as the convex lenses and reflecting light transmitted through the lens array; a one-dimensional image sensor for photoelectrically converting the reflected light from the roof mirror array; and light shield plates arranged between the convex lenses of the lens array. In this image reader, it possible to reliably avoid generation of flare caused by light passing around between adjacent convex lenses of the lens array. Further, for example, the quality of a read image can be improved by preventing rise of a black output level, interruption of thin lines of the image, etc.
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