| 摘要 |
PROBLEM TO BE SOLVED: To inexpensively build up a system by decreasing the number of ground wireless stations installed on ground, in a mobile wireless station that delivers information relating to an information point to a user using an earphone or the like. SOLUTION: The ground wireless stations to specify the position of the mobile wireless station in an area are installed, the mobile wireless station receives radio waves, sent from the ground wireless stations to specify its own position. When the mobile wireless station detects its position, the mobile wireless station discriminates whether an information point exists within a prescribed distance from its own position by comparing its own position with the position of the information point, reads the information relating to the information point from an address storing the information when the corresponding information point exists, and allows an information output device to output the information and to deliver it to a user. |
