Methods for detecting, computing and disseminating location...

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

Reexamination Certificate

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Details

C342S126000, C342S357490, C455S456100

Reexamination Certificate

active

07345582

ABSTRACT:
The present invention relates systems and methods to determine the location information of a signal made from a radioactive device or hazardous material. The system employs multiple radiation sensor devices, which his capable of determining the signal strength and the angle of arrival of a radioactive signal. The mobile switching center sends a request along with radiation information to a location processor, which controls devices. The location processor sets up each sensor device to track the radiation signal. If at least two devices are successful in tracking the radioactive signals and returning information about the radiation signal, then the location processor can determine the location of the radioactive device or hazardous material by using a triangulation method.

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patent: 2411365 (2004-06-01), None

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