Patent ID: 6993350

Claim:
A navigation system using plural mobile terminals each held by a movable body such as a person ridden in a vehicle or a walker, map data stored in a server on the Internet being loaded into a first one of the mobile terminals to display a moving route of each movable body on the first mobile terminal, said navigation system comprising: a first memory provided in the first mobile terminal, for storing the loaded map data of the server; a display provided in the first mobile terminal, for displaying the map data, stored in the first memory, in the form of a voice and/or an image; a first control unit provided in the first mobile terminal, for sending the identification number, current position, and destination of a first movable body to the server; a second memory provided in the server, for storing the map data; and a second control unit provided in the server, for, upon the input of the identification number, the current position, and the destination of the first movable body through the first control unit, reading map data containing the current position and the destination from the second memory and, based on the identification number, sending the map data to the first mobile terminal, said second control unit sending positional information regarding a second mobile terminal to the first mobile terminal when the first mobile unit requests said positional information.