Rescue guilding system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 10, 2001
Grant Date -
N/A
app pub date -
Feb 2, 2000
filing date -
Feb 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rescue guiding system for underground mine personnel to guide the movement of a person during hazardous life-threatening situations from a work area through a passageway to a refuge bay, including a network of short-range radio transmitters each transmitting a different digitally coded signal and a receiver for each person having an indication device to guide the person in the correct direction to reach the refuge bay.
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Family
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Cited Art Landscape
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