Audio program and telephonic communication system

Details Audio program and telephonic communication system Audio program and telephonic communication system

1976-01-14

1977-05-17

Claffy, Kathleen H.

179 1H, H04M 1108

Patent

active

040243451

ABSTRACT:
A system for the selective distribution of audio programs and telephone functions between different locations having the capability through time sharing means to handle multiple simultaneous audio programs and private telephone communications independently. The system employs a timesharing system utilizing analog sampling and data transmission where the transmission of sampled digitized and analog data is only over short cable lengths. The system includes a plurality of telephones and a plurality of receiver stations, the telephone being interconnected through telephone control circuitry to a central processing unit and the receiver stations being interconnected through room selector units to the central processing unit and to audio sources.

REFERENCES:
patent: 3566038 (1971-02-01), Slavin
patent: 3585307 (1971-06-01), Greenberg
patent: 3757053 (1973-09-01), Pell et al.
Audio, (May, 1970), "15 Channels on One Pair of Wires", pp. 20-24, C. G. McProud

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