Signal repeater for power line access data system

Details Signal repeater for power line access data system Signal repeater for power line access data system

1974-12-05

1976-08-03

Claffy, Kathleen H.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

179 2R, 340150, 340310R, H04B 358, H04B 338

Patent

active

039730875

ABSTRACT:
A signal repeater is described for relaying information in a two-way communication system superimposed on a power distribution network. The repeater senses signals passing in either direction in the system, translates the received signal to a different band or group frequencies, and transmits the frequency translated information. Provision is made for address-coding the repeaters so that, when connected in several levels, a particular path can be selected through the various levels. Provision is also made for a signal having priority in a system of such repeaters.

REFERENCES:
patent: 3656112 (1972-04-01), Paull
patent: 3693155 (1972-09-01), Crafton et al.
patent: 3761914 (1973-09-01), Hardy et al.
patent: 3815119 (1974-06-01), Finlay, Jr. et al.
patent: 3911415 (1975-10-01), Whyte

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