Method and apparatus for location determination of people or...

Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating

Reexamination Certificate

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Details

C342S357490, C342S457000, C342S463000

Reexamination Certificate

active

07636061

ABSTRACT:
A system and method for determining the position of people and/or objects, whether mobile or stationary, is presented herein. The system uses fixed and/or portable FM transmitters to transmit synchronized signals. These signals are acquired by a Receiver device which uses the signal timing to perform Time Difference of Arrival calculations to determine the Receiver's location. Then, using some arbitrary communications method, such as wireless communications, the Receiver device can forward its location to some arbitrary type of application system.

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