Communication protocol for a vehicle navigation system
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United States of America Patent
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Aug 1, 2000
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N/A
app pub date -
Apr 20, 1998
filing date -
Apr 20, 1998
priority date (Note) -
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Abstract
A method for transmitting data from a navigation system to a vehicle controller in a vehicle having a plurality of systems controlled by the vehicle controller is described. The plurality of systems includes a user interface and the navigation system. A request is received from the vehicle controller for interface data of a particular data type to be presented in the user interface. A first transmission protocol is selected from a plurality of transmission protocols for transmitting the interface data to the vehicle controller. The first transmission protocol is selected based, at least in part, on the data type of the interface data. The interface data are then transmitted to the vehicle controller according to the first transmission protocol.
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