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Map information display apparatus and traveling route display apparatus and route guidance apparatus for moving body

  • US 5,903,228 A
  • Filed: 07/09/1997
  • Issued: 05/11/1999
  • Est. Priority Date: 05/27/1994
  • Status: Expired due to Term
First Claim
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1. A map information display apparatus comprising:

  • a CD-ROM disc including a recording area for storing map information, character information, and voice information in a hierarchical manner, wherein the map, character, and voice information are each stored at separate hierarchical levels therein, and further including a management information area located on an inner annular area of the recording area having recorded therein discrimination data for discriminating whether the voice information is recorded in the recording area;

    CD-ROM read-out means for determining whether the CD-ROM disc has the voice information recorded therein based on the discrimination data recorded in the management information area;

    output means for outputting only the map information and the character information corresponding to respective positions on a map when the CD-ROM read-out means determines that the voice information is not recorded in the CD-ROM disc;

    display means for displaying the map information and the character information output from the output means;

    position designating means including a joystick operable by a user for moving a cursor for designating an arbitrary position on the map displayed on the display means and for selecting a reporting mode; and

    converting means for converting the voice information corresponding to the arbitrary position on the map and to a selected reporting mode designated by the position designating means into a voice output signal when the CD-ROM read-out means determines that the voice information is recorded in the CD-ROM disc.

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