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Car navigation system and program

  • US 20050288851A1
  • Filed: 06/16/2005
  • Published: 12/29/2005
  • Est. Priority Date: 06/29/2004
  • Status: Active Grant
First Claim
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1. A car navigation system provided in a vehicle, the system comprising:

  • a disk reproducing unit that is able to read and reproduce data from one of a fist disk storing map data and a second disk storing data other than the map data, wherein the fist disk and the second disk are interchangeable in the disk reproducing unit;

    a storing unit that stores a given range of map data that is read out from the first disk via the disk reproducing unit;

    a controlling unit that causes a display unit to display a map based on map data read out from the fist disk when the fist disk is reproduced by the disk reproducing unit or based on the given range of map data stored in the storing unit when the second disk is reproduced by the disk reproducing unit;

    a current position designating unit that designates a current position of the vehicle; and

    a route guiding unit that indicates a route to a destination, wherein, when the controlling unit causes the display unit to display a map based on the given range of map data, the controlling unit causes the route guiding unit to indicate a route to a temporary destination that is as close as possible to a peripheral boundary of the given range of map data along the route to the destination and is a stoppable place where the vehicle is able to stop.

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