H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/72
H04N 9/12 (2006.01) H04N 5/208 (2006.01)
Patent
CA 1177155
RCA 75,979 Abstract of the Disclosure A system for processing the luminance component of a composite video signal in a television receiver is disclosed. The receiver includes a comb filter responsive to the video signal for providing first and second combed output signals from which luminance and chrominance components are respectively derived. A restored luminance signal, comprising signals from the first comb filter output and vertical detail information derived from the second comb filter output, is linearly processed by a network including a horizontal signal peaking circuit. A vertical detail component derived from the second comb filter output is non-linearly processed by a network which generates a vertical detail peaking component. The vertical peaking component is low-pass filtered and then combined with horizontally peaked luminance signals to produce a horizontally and vertically peaked luminance signal, which is afterwards applied to further luminance signal processing circuits of the receiver.
398410
Morneau Roland L.
Rca Corporation
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