Programmable signal reception system

Details Programmable signal reception system Programmable signal reception system

1991-12-06

1993-01-12

Eisenzopf, Reinhard J.

Telecommunications

Interference signal transmission

455 63, 455140, 455149, 381 24, H04H 100

Patent

active

051797194

ABSTRACT:
Carrier frequencies different in frequency from each other are modulated with broadcast signals different from each other, and the thus modulated signals are transmitted through a single transmission line and are suited for reception and demodulation. A programming circuit allows programming of a plurality of different programs, with each program being able to be programmed to activate any selected receivers of a plurality of receivers, and to tune each of the selected receivers to any selected carrier frequency. The different programs are stored in a memory, and each of the receivers is connected to a speaker. A selection circuit allows a user to select any one of the different programs to output the broadcast signals at selected frequencies from selected speakers.

REFERENCES:
patent: 2798151 (1957-07-01), Fletcher et al.
patent: 3374315 (1968-03-01), Gladwin, Jr.
patent: 4509211 (1985-04-01), Robbins
patent: 4542533 (1985-09-01), Parker
Lafayette Radio Electronics Catalog, 1973, pp. 298-299, Catalog #730.

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