2101835-A is referenced by 12 patents.

In a colour television system the luminance signal is split into high and low frequency components, the high-frequency luminance components are frequency shifted to above the conventional television bandwidth. A conventional receiver uses the low-frequency luminance components (Y1) and the chrominance component (C), with no cross effects between them. A high-quality receiver can be constructed to recombine the low-frequency and high-frequency luminance components (Y1 and Y2 min ) giving improved luminance detail, again without cross effects with the chrominance signal. The sound signal (S) is carried between the chrominance and high-frequency luminance. A transmitter and receiver are described. The system has particular applicability to satellite and cable television.

Colour television systems
Application Number
GB19810021212 19810709
Publication Number
2101835 (A)
Application Date
July 9, 1981
Publication Date
January 19, 1983
Oliphant Andrew
British Broadcasting
H04N 09/02
H04N 11/06
H04N 07/015
H04N 11/16
H04N 11/10
H04N 07/015
H04N 11/12
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