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:
Jul. 17, 2001

Filed:

Jan. 27, 2000
Applicant:
Inventors:

Hiroshi Miyazawa, Hitachi, JP;

Makoto Koizumi, Ibaraki, JP;

Mutsumi Maehara, Mobara, JP;

Hidetoshi Kida, Mobara, JP;

Assignee:

Hitachi, LTD, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/946 ; H01J 2/950 ;
U.S. Cl.
CPC ...
H01J 2/946 ; H01J 2/950 ;
Abstract

An in-line type color Braun tube having a fluorescent screen and a shield cup at an end of an electron gun, the shield cup including a cylindrical side wall and a bottom having a center electron beam passing hole and two side electron beam passing holes aligned in a horizontal direction. A convergence correcting member including a base and a pair of horizontal plates, the base and horizontal plates being a one piece member, and a bottom member of the base being cross-shaped and including two side electron beam passing holes and a center electron beam passing hole. A pair of horizontal plates sandwiches an electron beam passing through each of the side electron beam passing holes, in a direction vertical to the electron beam. The base is spot-welded to the bottom of the shield cup at an outer side of each of the side electron bottom beam passing holes proximate to a periphery of the bottom of the shield cup or at outer sides of the center electron beam passing hole along a branch of the cross-shaped base of the bottom member.


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