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Graphics display system with video synchronization feature

  • US 7,545,438 B2
  • Filed: 04/23/2007
  • Issued: 06/09/2009
  • Est. Priority Date: 11/09/1998
  • Status: Expired due to Fees
First Claim
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1. A video synchronizing mechanism comprising:

  • a first sample rate converter for converting a stream of input video samples having an input sample rate to first video samples having a first converted rate;

    a filter for processing at least one of the first video samples having the first converted rate;

    a second sample rate converter for converting the first video samples having the first converted rate to second video samples having a second converted rate; and

    a time base corrector comprising a FIFO for receiving the second video samples and for synchronizing the second video samples to a display clock to provide output video samples that are synchronous to the display clock; and

    wherein the FIFO has a size of a horizontal line.

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