Bandwidth enhancement network for color television signals

Details Bandwidth enhancement network for color television signals Bandwidth enhancement network for color television signals

1981-02-11

1982-10-19

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 36, 358 21R, H04N 521

Patent

active

043553265

ABSTRACT:
A network is described for use in enhancing the bandwidths of color signals in a color television system. The network is a feedback arrangement in which amplifiers multiply each color signal by a variable factor K to provide manifold color signals. High frequency luminance components are inserted into the modified color signals to develop high frequency color output signals. The modified color signals are weighted by selected coefficients and summed. The value of the summed signal is used to vary the factor K so that the high frequency luminance components in the color output signals are substantially equal to the high frequency components of the luminance signal.

REFERENCES:
patent: 3778543 (1973-12-01), Lowry
patent: 4183051 (1980-01-01), Richman
patent: 4187917 (1980-01-01), Richman
patent: 4245239 (1981-01-01), Richman

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