Methods and means for monitoring events in vehicles
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United States of America Patent
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Sep 21, 1999
Grant Date -
N/A
app pub date -
Nov 28, 1995
filing date -
Nov 28, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Events in a vehicle are monitored by producing electrical outputs representative of events in the vehicle, comparing characteristics of one event with characteristics of other events accumulated over a given period of time and determining departures of a given extent from the other characteristics as an indication of a significant event, and sending a warning in response to the indication, particularly with the position of the vehicle determined by a global position indicator on the vehicle. In an embodiment a microcomputer responds to the outputs of an accelerometer system mounted on a railroad car by comparing acceleration characteristics of one impact with accumulated acceleration characteristics of other impacts and determining departures of a given extent from other characteristics as a failure indication, signalling a warning in response to the indication.
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