DEVICE FOR AUTOMATIC REGULATION OF VIDEO SIGNAL CONTRAST Russian patent published in 1995 - IPC

FIELD: TV devices. SUBSTANCE: device has video signal amplitude regulation unit 1, level mixing unit 2, reference voltage source 3, first and second comparators 4, 5, AND gates 6, 7, first and second RS-flip-flops 8, 9, computing unit 10, first and second counters 111, 12, pulse oscillator 13, first and second digital-to-analog converters 14, 15, strobe pulse generation unit 16. EFFECT: increased speed. 2 cl, 2 dwg, 1 tbl