Electronic communications radio frequency coupler for multi-car

Details Electronic communications radio frequency coupler for multi-car Electronic communications radio frequency coupler for multi-car

1994-04-22

1995-07-25

Huppert, Michael S.

Railway switches and signals

Cab signal or train control

Motive-power control

213 13, 34087011, B61L 2300, G08C 1900

Patent

active

054355052

ABSTRACT:
The communication link includes antennae mounted at adjacent ends of adjacent cars whereby electronic communications between the cars are effected by free space radio frequency coupling. The antennae are mounted in housings, which include radiation shields, and the housings are mounted on the coupling for physically coupling the cars together whereby the housings, and therefore the antennas, are maintained in fixed relationship to each other.

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patent: 5039038 (1991-08-01), Nichols et al.
patent: 5121410 (1992-06-01), Demarais

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