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Method and apparatus for reducing co-channel interference in an HDTV receiver

  • US 5,121,208 A
  • Filed: 10/19/1990
  • Issued: 06/09/1992
  • Est. Priority Date: 10/19/1990
  • Status: Expired due to Term
First Claim
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1. A method of reducing NTSC co-channel interference in an HDTV receiver comprising:

  • receiving both the NTSC and the HDTV signal;

    developing an interference signal representing substantially only high energy components of the NTSC signal; and

    combining said interference signal with the received signals to reduce the effects of the high energy components of said NTSC signal in said HDTV signal.

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