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:
Jan. 25, 1983
Filed:
Dec. 24, 1980
Applicant:
Inventors:
Assignees:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G03C / ; H01J / ;
U.S. Cl.
CPC ...
350166 ; 350316 ; 350317 ; 430 24 ; 430-7 ;
Abstract
A multicolor optical filter for, e.g., color solid image pickup elements composed of an interference filter and a dye filter united with each other in such a manner that the filter surface of the interference filter faces the filter surface of the dye filter. The dye filter is preferably prepared by developing a silver halide emulsion layer on a transparent substrate with a color developer containing a color coupler.