| 摘要 |
FIELD: radio engineering, color TV receivers in analog and digital television systems. ^ SUBSTANCE: digital TV set has radio channel unit, unit of two-dimensional display, unit of vertical scan, chromaticity unit, first and second piezodeflectors 47 and 51 with reflector on butt, unit 45 of intensity modulation, frosted screen 55, pulse generator 56, key 57, three identical channels controlling chromaticity beam each incorporating analog-to-digital converter 27, two units 28 and 30 of delay elements, unit 29 for line doubling, two pulse amplifiers 31, 32. It was supplemented with first amplifier46, two sources 48 and 49 of reference voltages, second amplifier 50 and two more sources 52 and 53 of reference voltages, optical projection system 54. ^ EFFECT: enhanced resolution capability of TV picture. ^ 5 dwg |
