Railway switches and signals – Electric actuation – Car-actuated circuit controllers
Patent
1979-04-04
1981-05-05
Miller, J. D.
Railway switches and signals
Electric actuation
Car-actuated circuit controllers
235 92TC, G61L 2502
Patent
active
042654190
ABSTRACT:
An apparatus for railway car counting and discrimination comprises three transducers placed at the railway track at given distances from each other and a digital logic circuit for processing the signals from the transducers to obtain a signal for each car passing the transducers.
REFERENCES:
patent: 3486008 (1969-12-01), Mori
patent: 3500039 (1970-03-01), Kortyna
patent: 3646327 (1972-02-01), Tonies et al.
Eisenzopf Reinhard J.
Institutul De Cercetart Si Proiectari Tehnologice In Transportur
Miller J. D.
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