Communication systems employing power cables for conveyor carria

Details Communication systems employing power cables for conveyor carria Communication systems employing power cables for conveyor carria

1997-10-14

1999-08-17

Le, Mark T.

Railway switches and signals

Cab signal or train control

Train mechanism

191 10, 104297, B61L 300

Patent

active

059381515

ABSTRACT:
A system for communication between a fixed station and a carriage, which travels along a rail. The system employs a cable used to supply the carriage with electric power and carries out communication by superimposing communication signals on the electric power flowing through the cable. The communication system includes electric power sources and cables. The cables are each connected to one of the power sources and each cable extends along the rail. A single communication antenna is used by at least two of the cables.

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patent: 5619078 (1997-04-01), Boys et al.
patent: 5745027 (1998-04-01), Malville

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