In the portable terminal which is possessed by the portable terminal and the program null pedestrian who

摘要

PROBLEM TO BE SOLVED: To provide a mobile terminal and program capable of accurately detecting the turnaround when a pedestrian carrying the mobile terminal in hand turns in direction.;SOLUTION: This mobile terminal includes a traveling direction determining means for determining the traveling direction based on detection information of a sensor every predetermined time, and a turnaround determining means for determining that the pedestrian turns in direction. The turnaround determining means stores the traveling direction according to the passage of time, and determines that the pedestrian turns in direction when a first azimuth difference ω between a first traveling direction at a first time and a third traveling direction at a third time is an angle threshold θ or more (ω≥θ), and a second azimuth difference ω between a second traveling direction at a second time and a fourth traveling direction at a fourth time is an angle threshold θ or more (ω≥θ). The turnaround determining means determines that the pedestrian turns in direction only when the displacing direction of the first azimuth difference ω is the same as the displacing direction of the second azimuth difference ω.;COPYRIGHT: (C)2009,JPO&INPIT