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. 25, 2006
Filed:
Dec. 21, 2001
Applicants:
Kazuhiko Yoshizawa, Tokyo, JP;
Toshimitsu Watanabe, Tokyo, JP;
Kuninori Matsumi, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 3/22 (2006.01); H04N 3/26 (2006.01); H04N 3/223 (2006.01); H04N 3/227 (2006.01); H04N 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a color display device, apparatus and method are provided to produce a convergence correction signal based on digital convergence correction values. The data rate by which the data is supplied to the apparatus varies, depending on the area of the display corresponding to the digital convergence correction values being supplied.