AM Stereophonic transmission system

Details AM Stereophonic transmission system AM Stereophonic transmission system

1976-12-22

1978-03-14

Olms, Douglas W.

325 36, H04H 500

Patent

active

040792048

ABSTRACT:
An AM stereophonic transmission system in which a carrier wave signal is phase- or frequency-modulated by an audio composite signal L - jR or L + jR and the phase- or frequency-modulated carrier wave signal is further amplitude-modulated by an audio composite signal L + jR or L - jR.

REFERENCES:
patent: 3069679 (1962-12-01), Sweeney et al.
patent: 3087995 (1963-04-01), Hellstrom
patent: 3143600 (1964-08-01), De Vries
patent: 3218393 (1965-11-01), Kahn
patent: 3908090 (1975-09-01), Kahn
patent: 4018994 (1977-04-01), Kahn

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