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. 24, 2009
Filed:
Aug. 08, 2003
Applicant:
Takahisa Hatano, Hokkaido, JP;
Inventor:
Takahisa Hatano, Hokkaido, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01); H04N 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bit reduction apparatus prevents visual recognition of beat noise while maintaining gradation. The bit reduction apparatus changes over the bit reduction operation by executing simple discarding process and noise shaping process, on the basis of at least any one of input signal state, user's setting state, and apparatus setting state.