Apparatus for detecting synchronization
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United States of America Patent
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Oct 18, 2011
Grant Date -
Aug 9, 2007
app pub date -
Feb 6, 2007
filing date -
Feb 7, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A synchronization detecting apparatus includes a counter, an error detector, and a line length generator. The counter counts to a predetermined counter value in response to a clock signal. The error detector generates an error, which is the difference between a current counter value received from the counter and a previous line length, in response to a synchronization flag signal. The line length generator generates a current line length based on a compensated error and the predetermined counter value. The synchronization flag signal has an active level at a transitioning edge of a synchronization pulse signal contained in an input signal.
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