362509 TELEVISIONa#39;PICTURE CONTRAST REGULATOR A new circuit arrangement is proposed for adjusting the picture contrast in television receivers. ... 7.12.70 as 1604268/26-9, KHOKHLOV B.N., SOROKA E.Z., (9.2.73), Bui. ... In this system the colour synch signals go through a switch stage to a trigger circuit where the anode of a thyristor is connected ... The action is explained by the time diagram.
|Title||:||Soviet Inventions Illustrated|