Motion picture broadcasting sound delivery system

Details Motion picture broadcasting sound delivery system Motion picture broadcasting sound delivery system

1975-10-14

1977-05-31

Griffin, Robert L.

179 1DD, 325 54, H04B 106, H04B 1100

Patent

active

040272486

ABSTRACT:
A sound system, the sound track of a motion picture film is picked up and fed into an F.M. transmitter, the transmitter emitting modulated carrier waves in order to be picked up either by a plurality of F.M. portable receivers and F.M. vehicle receivers.

REFERENCES:
patent: 2521150 (1950-09-01), Chemel
patent: 2979607 (1961-04-01), Herzfield

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