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:
Jan. 09, 2007
Filed:
Mar. 06, 2003
Applicant:
Wai Khaun Long, San Jose, CA (US);
Inventor:
Wai Khaun Long, San Jose, CA (US);
Assignee:
Huaya Microelectronics, Ltd., San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/213 (2006.01); H04N 5/217 (2006.01); G09G 5/00 (2006.01); G06K 9/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
An error diffusion system in accordance with an embodiment of the present invention adjusts the color depth of an RGB signal using error diffusion without the using an expensive frame buffer. Specifically, a color depth adjustment unit in accordance with the present invention can perform error diffusion on an RGB signal using two error buffers, which are smaller in memory size than typical line buffers that would be used for the video stream.