Communications: electrical – Systems – Selsyn type
Patent
1989-10-16
1990-10-16
Orsino, Joseph A.
Communications: electrical
Systems
Selsyn type
H04M 1104
Patent
active
049638530
ABSTRACT:
A communication system with six simultaneous independent inbound channels is disclosed which uses the voltage waveform of an electricity distribution network as a carrier. The manner in which the inbound channels are identified as well as how various sets of such independent channels can be found is disclosed. Identification of sets or groups of such independent channels involves identifying all potential channels and calculating the detection algorithm for each. Pure pulse patterns for binary "1"s for each channel are then multiplied by the detection algorithms for every channel to generate a matrix whose elements include the application of all the detection algorithms to all the aforementioned pulse patterns. Examination of qualifying elements of the matrix allow the identification of sets of mutually non-interfering channels.
REFERENCES:
patent: 4106007 (1978-08-01), Johnston et al.
patent: 4218655 (1980-08-01), Johnston et al.
patent: 4763103 (1988-08-01), Galula et al.
patent: 4785195 (1988-11-01), Rochelle et al.
patent: 4800363 (1989-01-01), Braun et al.
Emerson Electric Co.
Orsino Joseph A.
Scutch III Frank M.
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