DIGITAL TELEVISION SYSTEM Russian patent published in 2001 - IPC

FIELD: radio communications; ultrahigh- frequency digital television systems. SUBSTANCE: system has on sending end photoelectric converter, five analog-to-digital converters, sine-wave master oscillator, frequency synthesizer, two video signal code shapers, and transmitter; on receiving end it has antenna, touch-sensitive control unit, first and second video-signal code processing and receiving channels, three delay units, three OR-gate units, three pulse amplifier units, beam modulation unit, frequency divider, line sweep unit, frame sweep unit, two amplifiers, two piezoelectric deflectors, two positive reference voltage sources, two negative reference voltage sources, opaque screen, and two channels. Novelty is that two self-moving pulse distributors and dual-channel transmitter are provided on sending end each transmitter channel incorporating single-band signal shaper and that on receiving end control signal shaping channel is introduced, first code receiving and processing channel is provided with flip-flop, four video signal registers, two adders, and five delay units. EFFECT: reduced power requirement. 16 dwg