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:
Feb. 06, 2001
Filed:
Dec. 19, 1994
Applicant:
Inventor:
Jin Yeol Choi, Daeku, KR;
Assignee:
Goldstar Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 2/946 ;
U.S. Cl.
CPC ...
H01J 2/946 ;
Abstract
An electron gun for a color cathode ray tube contains a cathode, first grid, second grid and third grids, sequentially disposed between the cathode and a screen, and wherein the vertical length of electron beam passing hole formed on the first and third grids is longer than the horizontal length thereof and the vertical length of an electron beam passing hole formed on the second grid is shorter than the horizontal length thereof.