Railway track circuits
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United States of America Patent
Stats
-
Nov 28, 1995
Grant Date -
N/A
app pub date -
Mar 29, 1994
filing date -
May 20, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to railway track circuits. An active track circuit termination unit (4) is connected to the rails and, via a transmitter unit (4a), transmits signals into the rails to terminate track circuits (A,B). The transmitter unit also transmit data signals, for example track circuit signals, into the track circuits.
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Cited Art Landscape
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