DEVICE FOR TRANSMITTING INFORMATION BY RAILS BETWEEN A RAILWAY PATHWAY AND A SET OF VEHICLES CIRCULATING THEREWAY

摘要

THE PRESENT INVENTION CONCERNS AN IMPROVEMENT MADE TO THE DEVICE. /P P ACCORDING TO THE INVENTION, THE SERIAL RESONANT CIRCUIT GRANTED ON THE FREQUENCY CARRIING INFORMATION AND CONNECTED BETWEEN THE TWO WIRES OF RAILS 1, 2 AT THE END OF D '' A TRANSMISSION ZONE CONSTITUTING OF TWO IDENTICAL RESONANT SERIES CIRCUITS ARRANGED IN PARALLEL AND EACH INCLUDING A CAPACITOR 101, 102 IN SERIES WITH THE PRIMARY WINDING 103, 104 OF A TRANSFORMER, THE SECONDARY WINDINGS 105, 106 OF THE TWO TRANSFORMERS ARE CONNECTED IN SERIES AND IN OPPOSITION SO THAT AN ALTERNATIVE SIGNAL APPEARS AT THE TERMINALS 110 OF THE CIRCUIT SO SHAPED IN THE EVENT OF A FAILURE OF ONE OF THE RESONANT CIRCUITS. /P P APPLICATION TO THE INTRINSIC SECURITY OF INFORMATION TRANSMISSION.