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:
Dec. 01, 1987
Filed:
Mar. 01, 1982
Applicant:
Inventor:
Maurits W Van Tol, Almelo, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313413 ; 313440 ;
Abstract
In a cathode ray tube including deflection coils for deflecting an electron beam produced in the tube by an electron gun, the center of the electron gun's focusing lens is positioned to coincide with the deflection point of the deflection coils. This positioning compensates for curvature of the deflection field.
Van Tol, Maurits. (1987). Picture display device (U.S. Patent No. 4710672). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4710672
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile