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Navigation device

  • US 6,671,619 B2
  • Filed: 08/01/2001
  • Issued: 12/30/2003
  • Est. Priority Date: 08/16/2000
  • Status: Active Grant
First Claim
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1. A navigation device having route guiding functions for searching a route to a destination and guiding a vehicle along said route, said navigation device comprising:

  • a storing unit for storing detailed map information of freeway service areas, the detailed map information of freeway service areas including entrance, exit and parking location information;

    a control unit in communication with said storing unit and operable to control the display of said detailed map information of freeway service areas when said vehicle enters a freeway service area from a freeway that is included in a guiding route; and

    a display unit in communication with said control unit and operable to display a detailed map of said freeway service area utilizing said detailed map information.

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