Process and device for transmitting data between vehicles moving

Details Process and device for transmitting data between vehicles moving Process and device for transmitting data between vehicles moving

1985-10-17

1988-02-09

Reeves, Robert B.

Railway switches and signals

Train dispatching

Spacing

246167R, 246182R, 246187A, 340 47, 364460, B61L 2324

Patent

active

047237376

ABSTRACT:
For data communication in the form of messages between railways vehicles moving over a same track, short identical emissions at random times by modulating a directional microwave beam whose angular opening is sufficient in the horizontal direction for maintaining communication in bends of said track and switches and in the vertical direction for maintaining communication during changes in the profile of the track.

REFERENCES:
patent: 2762913 (1956-09-01), Jepson
patent: 3337866 (1967-08-01), Gisonno
patent: 3384033 (1968-05-01), Ruff
patent: 3532228 (1970-10-01), Beyer
patent: 3790780 (1974-02-01), Helmcke et al.
patent: 3937432 (1976-02-01), Birkin
patent: 3992698 (1976-11-01), Sahasrabudhe et al.
patent: 4133504 (1979-01-01), Dobler et al.
patent: 4279395 (1981-07-01), Boggio et al.
patent: 4578665 (1986-03-01), Yang
patent: 4582280 (1986-04-01), Nichols et al.

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