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Method for transmitting map data and map display apparatus and system

  • US 6,970,786 B2
  • Filed: 12/11/2002
  • Issued: 11/29/2005
  • Est. Priority Date: 12/25/2001
  • Status: Expired due to Term
First Claim
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1. A map display apparatus for receiving and displaying map data transmitted from an information center, comprising:

  • a reporting device to report data-transmission expenses or data-transmission time required in receiving the map data from the information center;

    a determining device that allows a user to determine whether to receive the map data from the information center; and

    a requesting device to request the information center to transmit the map data upon a user'"'"'s determination of receiving the map data.

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