Information Transmission
Cab signals require a means of transmitting information from wayside to train. There are a few main methods to accomplish this information transfer:
- Mechanical
- Magnetic field
- Electric current
- Inductive (changing magnetic field)
- Coded track circuits.
Read more about this topic: Cab Signalling
Famous quotes containing the word information:
“In the information age, you don’t teach philosophy as they did after feudalism. You perform it. If Aristotle were alive today he’d have a talk show.”
—Timothy Leary (b. 1920)
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