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:
May. 05, 1992
Filed:
Dec. 05, 1990
Applicant:
Inventors:
Susumu Tsujihara, Neyagawa, JP;
Yasuaki Sakanishi, Ibaraki, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 60 ; 358 51 ; 358 10 ; 31536811 ;
Abstract
A digital convergence unit detects the aspect ratio of the screen and converts stored convergence correction data in accordance with the detected signal. This can be achieved with high precision and with a small memory capacity. It can also be applied to multimedia by data processing suitable for each scanning frequency.