Transit vehicle shunt determination

Details Transit vehicle shunt determination Transit vehicle shunt determination

1981-04-29

1983-06-14

Stoner, Jr., Bruce H.

Railway switches and signals

Train-position indication

Miniature model

246 29R, 246 58, 246169R, 246246, B61L 120, B61L 2300

Patent

active

043878709

ABSTRACT:
A vehicle signal shunt detection apparatus responds to a first signal to establish the presence of a vehicle including a shunt circuit and then responds to a second signal to establish that the shunt circuit is operating to provide a desired predetermined vehicle signal.

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patent: 3488510 (1970-01-01), Raymond et al.
patent: 3532877 (1970-10-01), Thorne-Booth
patent: 3593022 (1971-07-01), Hoyler
patent: 3672611 (1972-06-01), Thorne-Booth
patent: 3691368 (1972-09-01), Hoyler
patent: 3821544 (1974-06-01), Matty
patent: 3825915 (1974-07-01), Dow
patent: 3891167 (1975-06-01), Perry
patent: 3958781 (1976-05-01), Woods et al.
patent: 4155434 (1979-05-01), Howell, Jr.
Restivo, F., Jones, F., and Fraelich, Jr., K., "Automatic Testing Will Simplify Maintenance of Rail Transit Vehicles", Westinghouse Engineer, Mar. 1972.
Tucker, J., "Five Generations: Skybus to Orlando," 29th Vehicle Technology Group Conference, Chicago, Ill., 1979.

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