Active wireless tag and auxiliary device for use with...

Communications: electrical – Condition responsive indicating system – With particular coupling link

Reexamination Certificate

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Details

C340S002400, C340S003310, C340S539100, C340S539110

Reexamination Certificate

active

07961092

ABSTRACT:
The invention is directed to a location tracking device and auxiliary device for use with a monitoring center for tracking individuals or objects. The location tracking device has position determining circuitry and first wireless circuitry that communicates position data representative of the location of the tracking device to a remote location (e.g., a monitoring station). The tracking device also has second wireless circuitry that communicates with the auxiliary device. The tracking device has at least two operational modes and switches between these modes when communication is established between the tracking device and the auxiliary device so long as one or more predetermined conditions are satisfied. In one operational mode the position determining circuitry of the location tracking device is in a normal power state and in another operational mode such circuitry is in a reduced power state.

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The International Search Report and Written Opinion by the International Searching Authority, issued on Mar. 6, 2008, in the PCT application No. PCT/US07/77142.

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