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:
Mar. 24, 2009
Filed:
Aug. 23, 2005
Applicants:
Ryoichi Kawada, Saitama, JP;
Atsushi Koike, Saitama, JP;
Inventors:
Ryoichi Kawada, Saitama, JP;
Atsushi Koike, Saitama, JP;
Assignee:
KDDI Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Picture quality characteristic amounts are extracted with a picture quality characteristic amount extractor and are transmitted to a central monitoring room to monitor a transmitted-picture quality. The picture quality characteristic amount extractor includes a pixel-position interchanger, an orthogonal transformer and a coefficient extractor. The picture quality characteristic amount extrator may further include a PN-series multiplier.