Obstruction detector using ultrasonic sensors for upgrading the safety of a level crossing
International conference, Developments in mass transit systems ; 1998 ; London
1998-01-01
6 pages
Conference paper
English
© Metadata Copyright the British Library Board and other contributors. All rights reserved.
Obstruction Detector on a Road-Railway Crossing Using Ultrasonic Wave
British Library Online Contents | 1992
|DETECTOR OF RAILROAD CROSSING OBSTRUCTION, AND TRAIN SAFETY OPERATION SYSTEM USING THE DETECTOR
European Patent Office | 2017
|Train detector for level crossing protection
Engineering Index Backfile | 1967
|