Information display system with touch panel

  • US 6,040,824 A
  • Filed: 06/30/1997
  • Issued: 03/21/2000
  • Est. Priority Date: 07/31/1996
  • Status: Expired due to Term
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First Claim
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1. An information display system for a vehicle navigation system, said information display system having a touch panel for selecting an item by touching the selected item among a plurality of items displayed on a single display screen, comprisingstoring means for storing display data for displaying the plurality of items including one set of typical coordinates indicating a position for each of the items;

  • said plurality of items displayed on the display screen being marks displayed on a map so that the coordinates of the displayed items are the locations of the marks on the map;

    calculation means for calculating coordinate differences between the typical coordinates for each of the plurality of displayed items and a set of coordinates of a position of a single touch;

    select means for selecting the selected item by determining which item of the plurality of displayed items has the least calculated coordinate difference;

    deciding means for deciding whether or not a present touch is being made to correct an erroneous selection made from a previous touch; and

    probability reducing means, responsive to a decision that the present touch is being made to correct an erroneous selection, for reducing a probability of said select means selecting the previously selected item.

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