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:
Mar. 24, 2009
Filed:
Apr. 22, 2003
Applicant:
Janghwan Lee, Carmel, IN (US);
Inventor:
Janghwan Lee, Carmel, IN (US);
Assignee:
Thomson Licensing, Boulogne-Billancourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A video data stream containing picture video and a vertical synchronization signal is processed in a microprocess that performs statistical evaluation of the frequency of the vertical synchronization signal of the video data stream. The statistical evaluation includes producing the statistical mean value and variance of the frequency of the vertical synchronization signal.