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. 30, 1976
Filed:
Feb. 24, 1975
Applicant:
Inventors:
Robert J Crosby, Wickliffe, OH (US);
Kenneth F Karpinski, Seven Hills, OH (US);
David R Schaller, Chagrin Falls, OH (US);
Assignee:
Horizons Incorporated, a division of Horizons Research Incorporated, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 4 / ; 96 2 / ; 96 452 ; 96 89 ; 96 9 / ; 9611 / ;
Abstract
A method for monitoring the optical development of non-silver free radical film in which the fog buildup in a selected non-image portion of the film is used to control the intensity and/or duration of the development exposure so as to insure a desired level of contrast between image and non-image areas in the developed film.