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Route information input apparatus and method thereof

  • US 5,448,485 A
  • Filed: 12/03/1992
  • Issued: 09/05/1995
  • Est. Priority Date: 12/11/1991
  • Status: Expired due to Fees
First Claim
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1. An apparatus for inputting route information necessary to specify a route from one node element serving as a starting point to another node element serving as a terminal, comprising:

  • (a) display means having a display screen for furnishing a user with circumstances so that said user can input route information;

    (b) pointing means operated by said user to designate a position on said display screen;

    (c) data processing means responsive to an input operation of said pointing means to execute a data processing in accordance with a program prepared in advance to thereby change a displayed content on said display screen;

    (d) first file means for storing therein positional information necessary to draw a line diagram for designating a route on said display screen with respect to major node elements of a plurality of node elements in respective lines truly existing on an actual line map; and

    (e) second file means for storing therein code information necessary to display a table of node elements on said display screen with respect to a plurality of node elements in respective lines including node elements omitted from said line diagram, whereinsaid data processing means comprises;

    first means for displaying on a first area of said display screen a line diagram that is presented in a simplified form by partly omitting truly existing node elements on the basis of the positional information stored in said first file means;

    second means for registering a line of interest designated by said user with said pointing means;

    third means for selectively retrieving code information of a group of node elements located on said line of interest and for displaying on a second area of said display screen said group of node elements omitted from said line diagram displayed on said first area in the form of a table; and

    fourth means for storing therein elements displayed within said first or second area selected by said pointing means as input information specifying a part of a route.

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