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. 10, 1987
Filed:
Sep. 26, 1985
Applicant:
Inventor:
Jean Burtin, Mol, BE;
Assignee:
Agfa-Gevaert, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430 30 ; 354 20 ; 354297 ; 430399 ;
Abstract
A method and an apparatus wherein wedge print density value comparisons made with the aid of a photoelectric densitometer give indications of the developing activity of a photographic developer which are independent of the temperature of the photodetector.