Train detection device for railroad models and train crossing co

Details Train detection device for railroad models and train crossing co Train detection device for railroad models and train crossing co

1994-07-12

1997-01-07

Morano, S. Joseph

Railway switches and signals

Cab signal or train control

Track trips

246122R, 246220, 104DIG1, 340941, B61L 308

Patent

active

055908551

ABSTRACT:
A train detection device for use in railroad models is provided with a capacitance type sensor which detects the close approach or passage of a train by responding to capacitance of the train. By using the capacitance type sensor, the train detection device becomes a non-contact type detection device, which avoids the kind of damage that can occur with contact type detectors. The train detection device is applied to a train crossing control apparatus for use in railroad models equipped with a crossing gate, a warning signal, and a controlling device for controlling the operations of the crossing gate and the warning signal. The controlling device comprises the capacitance type sensors each provided on either side of the crossing so as to define an activation region, each of the sensors detecting the approach or passage of a train by responding to the capacitance thereof, the capacitance type crossing sensor that detects the approach or passage of a train through the crossing, and a reverse motion detection device that detects reversal of the direction of motion of the train. With these elements the train crossing control apparatus is able to determine the position of the train within the activation region, so as to accurately and reliably control the operations of the crossing gate and warning signal irregardless of any changes in the direction of motion thereof.

REFERENCES:
patent: 4470008 (1984-09-01), Kato
patent: 4581943 (1986-04-01), Feller
patent: 5253830 (1993-10-01), Nayer et al.
patent: 5297484 (1994-03-01), Piserchia et al.
patent: 5451017 (1995-09-01), Graff et al.

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