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Scanning velocity modulation type enhancement responsive to both contrast and sharpness controls

  • US 5,164,829 A
  • Filed: 06/04/1991
  • Issued: 11/17/1992
  • Est. Priority Date: 06/05/1990
  • Status: Expired due to Term
First Claim
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1. An outline compensation apparatus for use in a television receiver, comprising:

  • outline detection circuit means for detecting outlines in a picture represented by a television video signal;

    outline enhancement means for enhancing said outlines; and

    control means coupled to receive a contrast adjustment signal which is utilized to modify said video signal such as to adjust a degree of contrast of said picture, and a sharpness adjustment signal which is utilized to modify said video signal such as to adjust a degree of sharpness of definition of said picture, said control means being responsive to said contrast adjustment signal and sharpness adjustment signal in combination for varying a degree of outline enhancement that is effected by said outline enhancement means.

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