Slit illumination system for copying machine and the like
First Claim
Patent Images
1. A slit illumination system for use in a copying machine or the like comprising;
- a light source,first elliptical mirror directing the light from the light source to an original and positioned on one side of an optical path for an image corresponding to the original and between the light source and the optical path,a second elliptical mirror positioned on the same side of the optical path as the first mirror and farther than the first mirror with respect to the optical path and directing the light from the light source to the original through a third mirror positioned on the other side of the optical path, anda supplemental mirror positioned behind the light source and between the first and second mirrors for illuminating the original through a light path extending directly to the original and/or a light path extending to the original through the third mirror.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention concerns with a slit illumination system for use in a copying machine or the like, which includes a light source, a first and second elliptical mirrors, a third plane mirror, and a supplemental mirror positioned behind the light source and between the first and second mirrors. The supplemental mirror directs the light which does not contribute to the illumination by the first and second mirror to the original through a light path extending directly to the original and/or a light path extending to the original through the third mirror.
-
Citations
19 Claims
-
1. A slit illumination system for use in a copying machine or the like comprising;
- a light source,
first elliptical mirror directing the light from the light source to an original and positioned on one side of an optical path for an image corresponding to the original and between the light source and the optical path, a second elliptical mirror positioned on the same side of the optical path as the first mirror and farther than the first mirror with respect to the optical path and directing the light from the light source to the original through a third mirror positioned on the other side of the optical path, and a supplemental mirror positioned behind the light source and between the first and second mirrors for illuminating the original through a light path extending directly to the original and/or a light path extending to the original through the third mirror. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- a light source,
Specification