Combined locating, tracking and communications system

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S539100, C340S539130

Reexamination Certificate

active

07907053

ABSTRACT:
A combined locating, tracking and communications system (10), including a server (12), a plurality of area transceivers (14) configured to communicate with the server (12) and having an associated reception range (34), a plurality of zone transceivers (16) configured to communicate with the area transceiver (14), a plurality of tags (18) configured to communicate with the area transceiver (14) and the plurality of zone transceivers (16), and a plurality of portable communicators (20) configured to communicate with the area transceiver (14) and the plurality of zone transceivers (16).

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