Patent ID: 8346277
Filing Date: 2013-01-01
Classification: G01C

Abstract:
1. A terminal comprising: an input unit for receiving, from a user of the terminal, identification information identifying at least one remote terminal which is a mobile phone type terminal; a wireless communication unit for receiving position information of the terminal, the at least one remote terminal, and at least one destination, the position information of the at least one remote terminal received in response to the received identification information; a memory for storing the received position information of the at least one remote terminal according to the identification information; a controller for determining route information between the terminal and the at least one destination, and between the at least one remote terminal and the at least one destination based on the position information of the terminal, the at least one remote terminal, and at least one destination; and a display for displaying first travel information between the terminal and the at least one destination and second travel information between the at least one remote terminal and the at least one destination, the first and second travel information displayed concurrently according to the determined route information, wherein: the first travel information comprises at least a distance between the terminal and the at least one destination, a speed of the terminal traveling, an estimated travel time for the terminal, or a direction of travel from a position of the terminal to a position of the at least one destination; the second travel information comprises at least a distance between the at least one remote terminal and the at least one destination, a speed of the at least one remote terminal, an estimated travel time for the at least one remote terminal, or a direction of travel from a position of the at least one remote terminal to a position the at least one destination; the input unit comprises at least a keypad, a touchpad, or a touchscreen display; the input unit further receives an input for setting a first condition and a second condition for obtaining a position of the at least one destination, the first condition and the second condition having different values; the first condition is related to the terminal and the at least one destination and the second condition is related to the at least one remote terminal and the at least one destination, the first condition and the second condition each comprising estimated travel time to the at least one destination; the controller is further for determining that the estimated travel time has been increased greater than a threshold time while displaying the first and second travel information according to the first condition and the second condition; the display displays a window for prompting a user whether to change the at least one destination to a new destination or to change the route information from a currently displayed route to a new route when the controller determines that the estimated travel has been increased; and the input unit further receives an input for changing the at least one destination or the route information in response to the prompted window.