Wireless tracking system and method with tag removal detection
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United States of America Patent
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Jun 7, 2011
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N/A
app pub date -
Oct 8, 2008
filing date -
Oct 19, 2007
priority date (Note) -
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Abstract
A wireless tracking system and method with a tag removal detection feature is disclosed herein. The system and method utilize a tag attached to an asset which includes a processor, a motion sensor (such as an accelerometer), a transceiver, a tag removal sensor and a power source having a limited supply of power. The tag removal sensor is a closed circuit device which is activated only when the motion sensor detects motion. In this manner, the tag conserves power since the tag is typically only in motion ten percent of the day. If the tag is removed from the asset, the closed circuit is opened, which confirms the removal of the tag from the asset, and an alert is activated by the system.
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