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:
Mar. 19, 1991
Filed:
Feb. 09, 1989
Applicant:
Inventors:
William W Bozek, Waterloo, NY (US);
Richard I Brown, Seneca Falls, NY (US);
Mark D Dorogi, Romulus, NY (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430 23 ; 430 24 ; 430396 ; 354-1 ;
Abstract
The need for annealing the internal magnetic shield of a cathode ray tube to eliminate registration errors caused by non-uniformity of magnetic properties of the shield resulting from the forming process, is eliminated by using a shader plate with a convex curvature to adjust the screen pattern to compensate for such errors.
Bozek, William. (1991). Crt screen exposure device and method (U.S. Patent No. 5001026). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5001026
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile