H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/28, 325/32
H04B 7/24 (2006.01)
Patent
CA 1202084
ABSTRACT OF THE INVENTION: 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.
421279
Mcgraw-Edison Company
Shapiro Cohen
LandOfFree
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