Speed sensitive dragging equipment detector
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United States of America Patent
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Jul 28, 2015
Grant Date -
Apr 24, 2014
app pub date -
Oct 24, 2012
filing date -
Oct 24, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure is directed to a method of detecting an object beneath a train. The method may include receiving a first signal indicative of a speed of the train, receiving a second signal indicative of a three generated by impact of the object with an impact element, and selecting a threshold value based on the speed of the train. The method may also include processing the second signal in accordance with a first procedure if the first signal indicates a speed of the train less than the threshold level, and processing the second signal in accordance with a second procedure different from the first procedure if the first signal is equal to or greater than the threshold level.
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