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Method and apparatus that generates VBI data coding waveforms

  • US 6,351,289 B1
  • Filed: 11/24/1998
  • Issued: 02/26/2002
  • Est. Priority Date: 11/24/1998
  • Status: Expired due to Fees
First Claim
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1. An apparatus for generating VBI data coding waveforms and color burst waveforms comprising:

  • a first selection circuit for receiving a color burst data signal, a VBI data signal, and a color burst period signal, and generates an address based thereon;

    a second selection circuit for receiving a color burst scalar signal, a VBI scalar signal, and the color burst period signal, and generating one of the color burst scalar signal and the VBI scalar signal based on the color burst period signal; and

    a waveform look-up table coupled to the first selection circuit for receiving the address and providing a waveform output corresponding to the address.

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