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Travel guide and schedule-based routing device and method

  • US 7,822,546 B2
  • Filed: 09/05/2006
  • Issued: 10/26/2010
  • Est. Priority Date: 09/05/2006
  • Status: Active Grant
First Claim
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1. A method for providing routing by a navigation device, said method comprising:

  • receiving a destination;

    calculating a route to the destination accounting for a plurality of modes of transportation;

    presenting a visual indication of progress along the calculated route on a display of the navigation device; and

    utilizing mass transit schedule information as a proxy for GPS updates to indicate progress along the calculated route, when such mass transit schedule information is available and when GPS signals are unavailable.

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