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. 23, 1993
Filed:
Mar. 27, 1992
Applicant:
Inventor:
Albertus A Sluyterman, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ; H01F / ; H01J / ;
U.S. Cl.
CPC ...
31536828 ; 335210 ; 313412 ;
Abstract
Color display tube comprising an electron gun for producing three co-planar electron beams, and including a deflection system which, in operation, generates deflection fields of the self-convergent type, with three consecutive elements influencing convergence being arranged between the electron gun and the display screen, the two outer elements producing, in operation, opposite effects and the central element being energizable for correcting remaining convergence errors.