Method and apparatus for communication over electric power lines

Details Method and apparatus for communication over electric power lines Method and apparatus for communication over electric power lines

1980-10-15

1983-08-23

Groody, James J.

Communications: electrical

Systems

Selsyn type

307140, 340310A, H04B 354

Patent

active

044006888

ABSTRACT:
A method and an apparatus for communicating over electric power lines in a direction from load to source is disclosed. The power line voltage wave is loaded in a predetermined pattern to produce a corresponding pattern of signaling currents at a receiving site. Detection of the signaling current is accomplished in the preferred embodiment by integrating the current in the phase or the neutral of the feeder that serves the signaling site during predetermined time windows which are synchronized with the power line voltage wave. The current integration is performed in accordance with a detection algorithm to accumulate principally the current differences that are attributable to the signaling currents while in the presence of steady and transient currents on the feeder.

REFERENCES:
patent: 3445814 (1969-05-01), Spalti
patent: 3458657 (1969-07-01), Lestek et al.
patent: 3460121 (1969-08-01), Wattenburg
patent: 3462756 (1969-08-01), Mills
patent: 3488517 (1970-01-01), Cowan et al.
patent: 3509537 (1970-04-01), Haberly
patent: 3714451 (1973-01-01), Whitney et al.
patent: 3721830 (1973-03-01), Oishi et al.
patent: 3733586 (1973-05-01), Lusk et al.
patent: 3818466 (1974-06-01), Honda

Affiliated with

Also associated with

Rating

Method and apparatus for communication over electric power lines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for communication over electric power lines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for communication over electric power lines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1949215