Color hue control circuit for color television receiver

Abstract From the Canadian patent

A color television receiver having a color picture tube with a screen for displaying a color picture in response to the reception of a composite color television signal which includes a phase reference signal, such as the chrominance, reference portion of a VIR signal is provided with a circuit, for generating variable reference color signals and for causing the color picture tube to display, on at least a portion of its screen, areas of respective colors corresponding to the variable reference color signals, a demodulating circuit for demodulating the phase reference signal and the chrominance component of the color television signal for obtaining demodulated color signals from such …