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Geographic database including data indicating wireless coverage and method and system for use thereof

  • US 7,627,426 B2
  • Filed: 10/25/2007
  • Issued: 12/01/2009
  • Est. Priority Date: 04/17/2001
  • Status: Expired due to Fees
First Claim
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1. A method of operation for a navigation services provider located remotely from end users'"'"' devices from which end users obtain navigation-related services, the method comprising:

  • from the navigation services provider, establishing a wireless communications link with a remotely located end user'"'"'s device; and

    transmitting wireless navigation services coverage data from said navigation services provider to said remotely located end user'"'"'s device, wherein said wireless navigation services coverage data indicate areas in which navigation-related data from the navigation services provider are unavailable wirelessly.

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