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.

Date of Patent:
Jun. 12, 1990

Filed:

Nov. 21, 1989
Applicant:
Inventors:

Masayuki Sudo, Kanagawa, JP;

Tomohisa Uba, Tokyo, JP;

Yasunobu Amano, Tokyo, JP;

Kazuo Omae, Saitama, JP;

Akira Nakayama, Tokyo, JP;

Yoshiro Ishikawa, Kanagawa, JP;

Ichiro Iwaki, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
3434 / ; 313432 ; 313439 ; 313412 ; 313413 ;
Abstract

A cathode-ray tube in which outer convergence plates as constituents of the convergence plate assembly in the electron gun are supplied with individual voltages so that the horizontal misconvergence at the center portion and at the peripheral portions of the screen are positively corrected and in the arrangement the anode button is provided with a plurality of voltage supply pins. Further, the end portions of the two lead wires which are introduced form the anode button are opened outwardly so that the lead wires are prevented from coming in contact with the bead glass.


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