Vehicular emergency message system with call restriction defeating
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United States of America Patent
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-
Mar 30, 1999
Grant Date -
N/A
app pub date -
Feb 9, 1996
filing date -
Feb 9, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle user can request emergency or roadside assistance from a response center by activating a button in the vehicle. The global positioning system is used to continuously store the vehicle location. A cellular telephone network is used to contact a response center and transfer a data string via modem containing information to assist the response center in acting on the request. Prior to attempting dialing of the cellular transceiver, a command or set of commands places the cellular transceiver into an unrestricted operating mode to provide the greatest probability of completing a call from the vehicle to the response center and from the response center to the vehicle.
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