B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L1/00—Devices along the route controlled by interaction with the vehicle or train
B61L1/18—Railway track circuits
B61L1/181—Details
B61L1/188—Use of coded current
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Automation & Control Theory
(AREA)
Train Traffic Observation, Control, And Security
(AREA)
Dispositif de transmission d'informations par les rails entre une voie de circulation ferroviaire et un ensemble de véhicules circulant sur cette voie