Receiver with correction for comb filter frequency response

Details Receiver with correction for comb filter frequency response Receiver with correction for comb filter frequency response

H - Electricity

04

N

350/56

H04N 5/44 (2006.01) H04N 9/64 (2006.01) H04N 9/77 (2006.01) H04N 9/78 (2006.01)

Patent

CA 2010665

A video source is coupled to a display processor by a circuit path including a comb filter and a luminance signal delay line and including a comb filter amplitude correction circuit. Circuit means in the path prevents impedance variations of the correction circuit from causing reflections in the delay line thereby preventing image blur due to such reflections. In a preferred embodiment this feature is provided using existing receiver circuitry thereby providing the further technical and economic advantage of improved reliability and providing a cost reduction.

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