Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ming Feng Chou0
Yi Le Yang0
Date of Patent
July 26, 2011
0Patent Application Number
114762190
Date Filed
June 28, 2006
0Patent Primary Examiner
Patent abstract
An apparatus and method for detecting vertical blanking intervals (VBI) is disclosed. The apparatus can identify and filter non-VBI signals, and calculate a level value for digitization corresponding to the type of television signals. The apparatus includes a detecting unit and a coupled computing unit. The detecting unit is for generating a detecting signal according to a television signal. The computing unit is for calculating a slope of the detecting signal, and for determining whether the television signal contains a clock run-in signal according to the slope.
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