First responder positioning apparatus

Communications: directive radio wave systems and devices (e.g. – Determining distance – Triangulation

Reexamination Certificate

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Details

C342S133000, C342S120000, C342S107000, C342S357490, C342S357490

Reexamination Certificate

active

07379015

ABSTRACT:
A positioning system for tracking the location of a first responder emergency worker. The system includes mobile enabler units and a personnel badge having a ranging transponder. Two enabler units can use two-way ranging signals, a prescribed turn around time and differential altitude for automatically tracking the location of the badge.

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