Method and apparatus for asset tracking in constrained environments
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United States of America Patent
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Jun 23, 2015
Grant Date -
Jan 16, 2014
app pub date -
Jul 10, 2013
filing date -
Jul 13, 2012
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Abstract
Wireless tracking systems and devices to detect the status of cargo containers, such as aircraft cargo. The system has a transmitter device, a router, and intelligent software. The transmitter device has automatic on-off capability during use, without the need for human intervention. The transmitter device has a basic “listening state” and the router has a basic “beacon broadcast state.” Only when the transmitter device is within range of the router's beacon does the device transmit data via RF signal to the router.
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