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. 12, 2013
Filed:
Dec. 11, 2009
Applicant:
Tetsuya Itani, Nara, JP;
Inventor:
Tetsuya Itani, Nara, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a playback apparatus for up-converting a video signal without magnifying film grains. An up-converterperforms up-conversion on a frame image in a video signal. A film grain detection circuitdetects film grains from the video signal. A frequency converterconverts spatial frequencies of the detected film grains on the video signal after the resolution conversion to high frequencies.