Train detector for use of level crossing alarm initiation was developed; it does not require any exclusive line wires between detector and crossing; detector is attachable to any part of conventional a-c track circuit and can detect approaching trains by decrease of track voltage to specified value; detected information is transmitted to crossing with carrier frequency over pair of existing line wires.
Train detector for level crossing protection
Tokyo. Ry Tech Research Inst -- Quarterly Report
1967
2 pages
Report
English
© Metadata Copyright Elsevier B. V. All rights reserved.
TIBKAT | 1961
|Railway level crossing protection
Engineering Index Backfile | 1965
|DETECTOR OF RAILROAD CROSSING OBSTRUCTION, AND TRAIN SAFETY OPERATION SYSTEM USING THE DETECTOR
European Patent Office | 2017
|Level crossing protection in Argentina
Engineering Index Backfile | 1932
Hindrance between conflicting train movements at a level crossing
British Library Conference Proceedings | 2002
|