The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 1985
Filed:
Nov. 16, 1983
Applicant:
Inventors:
Tomoji Murata, Toyokawa, JP;
Masamichi Hayashi, Aichi, JP;
Yasuo Goto, Toyokawa, JP;
Seiichi Sakurai, Toyokawa, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 67 ; 355-8 ; 355 51 ; 362346 ;
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.