Modification of portable communications device operation in vehicles
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United States of America Patent
Stats
-
Mar 11, 2008
Grant Date -
N/A
app pub date -
Aug 31, 2005
filing date -
Apr 10, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Restrictions on use of a cellular telephone in a vehicle, such as an automobile, are imposed using a global position system (GPS) device to determine the location of a vehicle in relation to geographic regions in which legal or customer restrictions on cellular telephone use are to be imposed. Network or local short-range wireless transmitters supply information to a cellular telephone describing potentially applicable restriction information retrieved from network databases. In response, a cellular telephone determines applicability of such restrictions and applies them to further use of the cellular telephone while such restrictions continue to apply. Alternative arrangements allow vehicle-based or network based processing of region and restrictions information to yield command messages to cellular telephones to control their further use.
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