Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent
1984-03-15
1986-02-04
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Broadcast or multiplex stereo
455 61, 455102, 455103, H04H 500
Patent
active
045690731
ABSTRACT:
An amplitude modulated radio transmission system is described which is compatible with conventional AM receivers. The transmitted signal comprises a carrier and two unequal amplitude sidebands. This signal can be received by receivers that are tuned to the carrier as well as receivers that are off tuned to favor the stronger sideband.
REFERENCES:
patent: 2666133 (1954-01-01), Kahn
patent: 3760419 (1973-09-01), Poschadel et al.
patent: 3803490 (1974-04-01), Almering et al.
patent: 3908090 (1975-09-01), Kahn
patent: 4124779 (1978-11-01), Berens et al.
patent: 4185171 (1980-01-01), Parker
patent: 4194154 (1980-03-01), Kahn
patent: 4225751 (1980-09-01), Hershberger
patent: 4338491 (1982-07-01), Parker et al.
patent: 4373115 (1983-02-01), Kahn
L. R. Kahn, "Compatible Single-Sideband," Proc. IRE, vol. 49, pp. 1503-1527, Oct. 1961.
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