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:
Feb. 03, 1987
Filed:
Jul. 30, 1984
Applicant:
Inventors:
Hitoshi Yasumoto, Tondabayashi, JP;
Tetsuyuki Tanimoto, Sakai, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 37 ; 355 70 ;
Abstract
A light source device for a color enlarger, in which at least three linear light sources are used in order to served as a red light source, a green light source, and a blue light source, respectively, are disclosed. In the device, the linear light source serving as a red light source is arranged perpendicularly to an optical axis of a projection lens in the color enlarger. The other linear light sources serving as green and blue light sources respectively, are arranged perpendicularly to the optical axis and are symmetrical with respect to the optical axis.