Location processing system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S456300, C455S404200

Reexamination Certificate

active

10766054

ABSTRACT:
A device for determining the location of a communication device includes a network interface, a signal enhancement module, a tone decoder, and a translator. The network interface is capable of receiving a location message comprising a plurality of signal tones. The signal enhancement module is capable of modifying selected signal tones, the selected signal tones having a frequency within a predetermined range of frequencies. The tone decoder is capable of decoding the modified signal tones into a plurality of decoded values. The translator is capable of determining a location of a user based on at least the decoded values.

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