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:
Nov. 29, 1983
Filed:
Feb. 12, 1981
Applicant:
Inventor:
Ralph M Weisner, Canoga Park, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ; G03B / ;
U.S. Cl.
CPC ...
356404 ; 356418 ; 355 35 ;
Abstract
An integrating densitometer for comparing unknown values of an integrated color print with reference values of a standard to indicate changes in density and quality and quantity characteristics of color for correcting the values of the unknown to have substantially the values of the reference, the densitometer having a photopic filter before a light sensor, and a master control for biasing simultaneously individually adjustable color controls.