Expandable, modular communications apparatus with interchangeable device authentication
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United States of America Patent
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Apr 29, 2008
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N/A
app pub date -
Oct 22, 2004
filing date -
Oct 22, 2003
priority date (Note) -
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Abstract
A communications apparatus including a communications device for wide area network communications and position location, as an example, and one or more interchangeable devices capable of interfacing with the communications device through a standard interface, is described. Also described is an apparatus and method for activating and authenticating the communications device/interchangeable device combinations, thereby providing device compatibility and security.
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