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METHOD AND SYSTEM OF DETECTING AND LOCKING TO MULTI-STANDARD VIDEO STREAMS

  • US 20090097607A1
  • Filed: 10/12/2007
  • Published: 04/16/2009
  • Est. Priority Date: 10/12/2007
  • Status: Active Grant
First Claim
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1. A video processing circuit comprising:

  • a incoming video circuit for receiving an incoming video signal;

    a phase lock loop circuit for receiving a signal representing the frequency of said incoming video signal and providing an output signal related to the frequency of said incoming video signal; and

    a determining and setting circuit for determining a clock frequency of said incoming video signal and responsive thereto for determining and setting operating parameters for said phase lock loop circuit.

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