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:
Sep. 02, 1986
Filed:
Dec. 22, 1983
Applicant:
Inventors:
Assignee:
Matsushita Electronics Corporation, Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313413 ; 313431 ; 313481 ;
Abstract
In a deflection means 11 having a field of pin-cushion type flux distribution, at least a pair of T-shaped magnetic pole pieces 9, 10 are disposed between the front end of an electron gun 2 and the center part of the deflection means 11, thereby to form a barrel type flux distribution, to attain high resolution even at peripheral part of the fluorescent screen.