Patent ID: 7499799

Claim:
A method for transmitting a node message from an information center to a mobile terminal in a navigation system including the information center and the mobile terminal, the information center storing node image information on topographic features of a node, the node image information including partial image information according to a direction of movement of the mobile terminal, the information center including a database for storing the node message having the partial image information and a database for storing map data, the method comprising the steps of: generating the node message for guiding a next node point whenever the mobile terminal reaches a node point; confirming the direction of movement of the mobile terminal through the use of a sensor unit and transmitting partial image information of the node image information corresponding to the direction of movement of the mobile terminal; and sequentially transmitting partial image information of the node image information corresponding to a direction adjacent to the direction of movement of the mobile terminal after the image information in the direction of movement of the mobile terminal has been transmitted; wherein the node image information comprises a panorama image obtained by photographing 360° of topographic features around the node, and the image information is divided into partial image information corresponding to each direction.