Communications: electrical – Systems – Network signaling
Patent
1996-10-28
1998-07-14
Hofsass, Jeffery A.
Communications: electrical
Systems
Network signaling
34028601, 340426, 379 37, 342357, G08B 900
Patent
active
057811016
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. Predetermined information concerning system operation is stored in a non-volatile memory during an activation for diagnostic purposes. Data is written in two groups at respective times during an activation, and a status flag indicates whether both groups were successfully written to memory.
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Dorfstatter Walter Alfred
Stephen Garth
Timm Mark James
Ford Motor Company
Hofsass Jeffery A.
Huang Sihong
Mollon Mark
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