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:
Apr. 23, 2002
Filed:
Nov. 10, 1997
Applicant:
Inventors:
Nobuya Seko, Tokyo, JP;
Yoshinori Tomihari, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 1/08 ;
U.S. Cl.
CPC ...
G09G 1/08 ;
Abstract
An image display device incorporating a quick-action electron source is disclosed. After the power source of the device is turned on, drive signals are outputted from an RGB output circuit to each of the RGB electron sources after it is detected that sufficient deflection current is flowing from horizontal/vertical deflection circuit to the deflection yoke to enable the electron beam to adequately scan the screen.