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. 06, 1994
Filed:
Mar. 11, 1992
Applicant:
Inventor:
Juri Tults, Indianapolis, IN (US);
Assignee:
Thomson Consumer Electronics, Inc., Indianapolis, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
348465 ; 348478 ; 375 76 ; 327 73 ;
Abstract
An auxiliary video data decoder provides for correcting synchronization error between a sync signal and a video signal that may contain auxiliary video data. Cycles of a reference waveform included in the auxiliary video data are counted during a timing window to determine if synchronization is correct. An incorrect count indicates a synchronization error exists. The window timing is adjusted with respect to the sync signal. The timing test is repeated. Repeated failure of the test indicates that auxiliary video data does not exist in the video signal.