FM Communication system

Details FM Communication system FM Communication system

1982-03-29

1985-05-14

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

455353, 455 45, 370 11, H04Q 900, H04B 100, H04J 600

Patent

active

045175624

ABSTRACT:
Communication system for either public or private electric power load management and distribution automation, and the like, wherein subcarrier signals are sent to a plurality of remotely located receivers and transmitters using an existing standard FM broadcast station. The broadcast signal is detected by a receiver which filters out the subcarrier component of the broadcast signal. The radio frequencies of the plurality of remotely located transmitters and receivers are closely spaced and synthesized from the frequency of the broadcast subcarrier and their time of transmission, digital bit streams, and message frames are all synchronized from the subcarrier signal. The FM broadcast station thereby orchestrates all communication activity to and from the plurality of remote locations to optimize traffic flow and maximize a priori information to all components to significantly increase reliability.

REFERENCES:
patent: 2465976 (1949-03-01), Goldsmith
patent: 3716654 (1973-02-01), Hendrickson et al.
patent: 3980954 (1976-09-01), Whyte
patent: 4127852 (1978-11-01), Preston
patent: 4322842 (1982-03-01), Martinez
patent: 4415771 (1983-11-01), Martinez

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