H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/38, 352/10.5
H04N 9/84 (2006.01)
Patent
CA 1152208
APPARATUS FOR RECOVERING A FREQUENCY-CONVERTED CHROMINANCE COMPOMENT THAT IS SUBSTANTIALLY FREE OF CROSS-TALK COMPONENTS ABSTRACT OF THE DISCLOSURE Apparatus is provided for recovering, from a composite video signal which is reproduced from successive record tracks on a record medium, a frequency-converted chrominance component that is substantially free of cross-talk components. The frequency-converted chrominance components which are recorded in adjacent tracks have chrominance carriers which exhibit a frequency interleaved relationship with respect to each other. During reproduction, at least the frequency-converted chrominance component, together with an accompanying cross talk component, is reproduced from the respective tracks. A cross-talk separating circuit, including a comb filter, is supplied with the reproduced chrominance component and separates the cross-talk component therefrom. A combining circuit functions to combine the separated cross-talk component and the reproduced frequency-converted chrominance component to produce a frequency-converted chrominance component that is substantially free of cross-talk components. In accordance with one feature, the cross-talk free, frequency- converted chrominance component is supplied directly to the recording circuit of a video signal recorder. -i-
356164
Gowling Lafleur Henderson Llp
Sony Corporation
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