System and method for E911 location privacy protection
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United States of America Patent
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Jul 8, 2014
Grant Date -
Sep 1, 2011
app pub date -
Jul 1, 2010
filing date -
Oct 24, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a system that enables power to be selectively applied to GPS circuitry in a cellular telephone or other mobile device only when a specific user input is detected. In one embodiment, power to the GPS circuitry may be enabled only when the user strikes the keys “9-1-1.” In other embodiments, other types of GPS enablement or disablement may be employed, such as selectively decoupling the GPS antenna. In another embodiment, the user may depress a privacy bypass button, which alternately enables and disables power to the GPS circuitry. Cellular telephones or other communication devices may therefore activate GPS location service during an emergency call, or when a user wishes to allow their location to be determined, but protect the privacy of that user's location and movement at other times.
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