Method and apparatus involving global positioning and long-range wireless link using a tag

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 re...

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Bibliographic Details
Main Authors RAJAPAKSE RAVINDRA U, FARRELL STEVEN J, SHANNON DAVID L, ZHU LIPING JULIA
Format Patent
LanguageEnglish
Published 04.03.2014
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary: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.
Bibliography:Application Number: US20050270387