Method and apparatus involving global positioning and long-range wireless link using a tag
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United States of America Patent
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Mar 4, 2014
Grant Date -
May 25, 2006
app pub date -
Nov 9, 2005
filing date -
Nov 19, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tag has a transmitter for transmitting first wireless signals, and a receiver for receiving second wireless signals from which the tag can determine its current physical location. A different embodiment includes a tag having a transmitter for transmitting wireless signals, and a reader having a receiver for receiving the wireless signals, the receiver in the reader being an ultra-sensitive receiver.
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