Dual-signal A-M receiving apparatus

Details Dual-signal A-M receiving apparatus Dual-signal A-M receiving apparatus

1982-06-18

1983-09-20

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179 1GS, H04J 1500, H04H 500

Patent

active

044060068

ABSTRACT:
Receiving apparatus for a modified quadrature A-M dual-signal wave, which samples the input wave and separates and reconstructs the signals in analog form. Superimposed noise in the frequency band of the modulated wave may be substantially reduced in both signals. The signals may be separated adequately to permit reception of a single compatible stereo transmission, or of either one of two different non-compatible mono transmissions on a single carrier, by use of negative-feedback timing loops.

REFERENCES:
patent: 4182932 (1980-01-01), Fisher et al.
patent: 4238642 (1980-12-01), Fisher et al.
patent: 4249039 (1981-02-01), Fisher et al.
patent: 4268914 (1981-05-01), Fisher et al.
patent: 4285058 (1981-08-01), Fisher et al.
patent: 4308614 (1981-12-01), Fisher et al.

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