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:
Dec. 19, 2006
Filed:
Feb. 06, 2001
Shiro Fujihara, Tokyo, JP;
Shiro Fujihara, Tokyo, JP;
NEC Corporation, , JP;
Abstract
In a system for recording digital contents compressed and delivered by the MPEG (Moving Picture Experts Group) standard, in decoding the contents, even a DCT coefficient of the digital contents is required in a discrete cosine transform (DCT) unit, according to the attribute information belonging to the digital contents, of the DCT coefficients within a block, some AC coefficients remain and the other AC coefficients are turned to 0, and the obtained DCT coefficients are again encoded so to create stream data for recording.
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