Passive detection system for levitated vehicle or levitated vehicle system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 27, 2002
Grant Date -
N/A
app pub date -
Sep 18, 2001
filing date -
Sep 18, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A passive detection system for a levitated vehicle includes track circuits. Each track circuit includes a detection loop having a cable with a first end, a length and a second end. The track circuit also includes a transmitter electrically connected to the first end of the cable and adapted to source a current to the detection loop, and a receiver electrically connected to the second end of the cable and adapted to sense the current from the detection loop. An inductor core includes two openings adapted to receive the length of the cable and two openings adapted to avoid the first and second ends of the cable. The inductor core is adapted to change the sensed current of the receiver, in order to detect a presence of the levitated vehicle at the detection loop. A member is adapted to support the inductor core from the vehicle.
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