Method and apparatus for control of central spacing of track-ope

Method and apparatus for improving rail shunts

Method and apparatus for inductively receiving cab signaling on

Method and apparatus for the transmission of information...

Method and system for checking track integrity

Method and system for preventing overfilling of a track system

Method and system providing sleep and wake-up modes for...

Method for increasing the number of signals which may be transmi

Method for measuring the speed of a rail vehicle and...

Method of transferring control of a railway vehicle in a communi

Modified membranes

Modulation system for railway track circuits

Noise cancellation in railway cab signal

Phase selective track circuit apparatus

Phase-controlled track circuit receiver

Plate antenna method using integral noise mitigation for railway

Positive-response transit detector for a given transit zone

Power transfer apparatus for railroad track circuits

Process and circiuit arrangement for the transmission of digital

Protective device for railroad signaling apparatus