H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/57
H04N 9/12 (2006.01) H04N 9/64 (2006.01)
Patent
CA 1055148
TELEVISION SIGNAL PROCESSING APPARATUS Abstract of the Disclosure Signal delaying means, included in the luminance channel of a color television receiver, are responsive to the television video signal processed in the receiver. A portion of the signal delaying means serves to equalize the time delays of signals processed in the chrominance and the luminance channels of the receiver. A plurality of dif- ferently delayed video signals are developed at signal coupling means associated with the signal delaying means. Two of the delayed video signals, spaced apart in time by a predetermined interval inversely related to a frequency at which it is desired to relatively attenuate the video sig- nals, are combined to produce a signal to control the peak- ing characteristics of the luminance channel. At least one other of the delayed video signals is used to produce a signal which is combined with the peaking controlling sig- nal to control the bandwidth characteristics of the luminance channel. Additional means may be provided to allow the am- plitude of the output signal derived by combining the peak- ing and bandwidth controlling signals to be controlled so that signals processed in the luminance channel may be either peaked or depeaked, depending on the quality of the incoming video signals. -1-
229805
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