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:
Aug. 26, 2008
Filed:
May. 31, 2005
Applicant:
Dongwei Chen, Fremont, CA (US);
Inventor:
Dongwei Chen, Fremont, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A video synchronization signal removal circuit in which a synchronization signal component of an incoming video signal is detected whereupon a reference signal corresponding to a black video level is substituted substantially during the synchronization signal interval.