Personal communication system for communicating voice data positioning information

  • US 6,868,335 B2
  • Filed: 02/27/2003
  • Issued: 03/15/2005
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Term
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First Claim
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1. A method of providing geographical related data comprising:

  • determining a location of a device with a display;

    requesting map information and additional data associated with specific locations within the map information from an external location using a wireless communication capability;

    receiving the map information and additional data associated with specific locations within the map information from the external location using the wireless communication capability;

    storing the map information and additional data associated with the specific locations within the map information;

    displaying the map information, markers at specific locations within the map information, the markers indicating availability of additional data associated with the specific locations within the map information, and the location of the device with respect to the map information;

    receiving a selection of one of the markers;

    determining if additional information associated with a specific location identified by the selected marker is stored on the device; and

    requesting further additional data associated with the specific location from the external location using the wireless communication capability if the additional information is not stored on the device.

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