DIGITAL HIGH-DEFINITION TV SYSTEM Russian patent published in 2003 - IPC

FIELD: radio communication, TV broadcasting in decimeter range of ground TV networks and over satellite communication systems. SUBSTANCE: transmission side of known system is supplemented with third code former, transmitter is complemented with third channel, receiving side is added with third path of reception and processing codes of video signal that incorporates unit receiving radio signal, radio frequency amplifier, double- pole amplitude detector and channel processing codes of video signal E_v, including first and second pulse formers, first and second registers, code processing unit, first and second units of delay elements and adder. First and second paths are supplemented with code processing units, first and second units of delay elements, adder, fourth, fifth and sixth units of pulse amplifiers. Channel forming controlling signals is complemented with frequency synthesizer, radiation modulation unit is added with second radiator of three key colors. Occupied frequency band is 363 Hz, number of definition elements in frame amounts to 2,2•10⁶.. EFFECT: increased definition capability of TV picture. 17 dwg, 2 tbl