| 摘要 |
PROBLEM TO BE SOLVED: To allow finding a required individual home within a limited frame even if no map with a point corresponding to the input of individual home's telephone number as a center is displayed. SOLUTION: A coordinate is retrieved based on the input of a telephone number to display a map for setting a point. A storage means 3 where the information of a subscriber including a coordinate as well as a map data are stored corresponding to a telephone number, an input means 1 for inputting a telephone number, and a control means 4 where a coordinate stored in the storage means is retrieved based on the input of telephone number from the input means, to set a specified region containing the retrieved coordinate, and a map containing the retrieved coordinate is displayed while the region set on the map is discriminated from other region, are provided. Even if a map with the retrieve coordinate as a center is not displayed, a required individual home can be found within a limited frame on the displayed map. |
