Method and Apparatus for Tracking and Monitoring Containers
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United States of America Patent
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N/A
Issued Date -
Oct 8, 2009
app pub date -
Mar 6, 2009
filing date -
Mar 7, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tag responds to receipt of a short-range wireless signal by altering the operation of a transmitter that transmits long-range wireless signals containing a unique tag identification, and conforming to a satellite or cellular network communication protocol. According to a different aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a receiver that receives long-range wireless signals containing positioning information, the tag determining location information from the positioning information. According to another aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a sensor section having a sensor responsive to a condition.
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