Systems and methods for providing navigation guidance in pseudo-navigation/automatic direction indicator modes
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United States of America Patent
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app pub date -
Nov 16, 2005
filing date -
Dec 1, 2004
priority date (Note) -
Abandoned
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Abstract
Methods and systems for providing navigation guidance in pseudo-navigation/automatic direction indicator modes. Each system includes at least one client integrated with a mobile communication device (e.g. PDA, cellular telephone, etc.) and configured to send a request for information of a nominal route to a server. The server calculates the nominal route and sends the information to the client via wireless carriers and networks. When the user deviates from a nominal route, the client determines a recovery point on the nominal route. Then, the client provides navigation guidance in a pseudo-navigation mode or an automatic direction indicator mode without resorting to the server for a new route until the user recovers on the nominal route via the recovery point.
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