|4665434||Method and apparatus for generating a S.E.C.A.M. modulating signal|
In an encoding circuit for the S.E.C.A.M. color television standard a signal value is added to each one of two line-sequential color difference signals to determine the quiescent frequencies. The modulating signal containing the color difference signals i...
|4577217||Encoding circuit for a SECAM color television transmission|
An encoding circuit for a SECAM color television transmission, comprising a frequency-modulatable oscillator for a modulating signal which comprises two line-sequential color difference signals, the circuit also comprising a control loop for making the qu...