Carrier frequency selector

Details Carrier frequency selector Carrier frequency selector

1974-03-04

1976-03-23

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307219, 307254, H03K 1700

Patent

active

039462501

ABSTRACT:
There is disclosed herein a redundant carrier frequency selection arrangement for an FDM communication system. The selection arrangement includes a source of n pairs of carrier frequencies, where n is an integer including one. Each carrier frequency of one pair of the n pairs of carrier frequencies are equal and the carrier frequency of each pair of the n pairs of carrier frequencies are different. n plurality of FDM communication equipment requiring a carrier are coupled to the source of n pairs of carrier frequencies and each plurality of the communication equipment of the n plurality of communication equipment responds to a different pair of the n pairs of carrier frequencies. An electronic switch is disposed in each of the n plurality of communication equipment to select either one of the carrier frequencies of an associated pair of the n pairs of carrier frequencies.

REFERENCES:
patent: 3233121 (1966-02-01), Chou
patent: 3342941 (1961-09-01), Kondo
patent: 3621288 (1971-11-01), Brown
patent: 3657562 (1972-04-01), Cottatellucci

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