Transmission of data via power lines

Details Transmission of data via power lines Transmission of data via power lines

1988-10-20

1990-10-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

375 45, 340310A, H04J 1500, H04L 2732

Patent

active

049624962

ABSTRACT:
A method for transmitting data in the form of a sequence of data words according to PLBus communications protocol in a channel (20) carrying data transmitted, according to a different protocol, in the form of timed bursts of a signal, comprising: producing (16) a carrier which is continuous at least for the duration of each data word; angularly modulating (14, 16) the carrier in accordance with the information contained in each data word; and transmitting the angularly modulated carrier in the channel (20).

REFERENCES:
patent: 2662116 (1953-12-01), Potier
patent: 3667046 (1972-05-01), Schoolcraft
patent: 4112368 (1978-09-01), Ewanus et al.
patent: 4387455 (1983-06-01), Schwartz

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