METHOD FOR TRANSMISSION OF ADDITIONAL INFORMATION IN FM BROADCASTING SYSTEM Russian patent published in 1998 - IPC

Abstract RU 2110155 C1

FIELD: communication. SUBSTANCE: method involves additional information signal modulation of first and second harmonics of half of sub-carrier of complex stereo signal while their phases are kept in opposite. EFFECT: increased quality of detection of main and additional channels. 5 cl, 1 dwg

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RU 2 110 155 C1

Authors

Golovin O.B.

Dates

1998-04-27—Published

1993-07-12—Filed