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:
Aug. 11, 1992
Filed:
Sep. 27, 1991
Applicant:
Inventor:
Tomoyuki Okamoto, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
355 32 ; 355 35 ;
Abstract
A color adjustment device used for a copying machine has a chromaticity indication plate for indicating chromaticity with respect to four basic colors which can be recognized by a general user, four red, yellow, blue and green switches for selecting a chromaticity on the chromaticity indication plate, and a plurality of light emitting members for indicating a grade or level of chroma of each color. The user without expert knowledgement concerning color can adjust easily a color balance of an image outputted from the copying machine.