| 摘要 |
PROBLEM TO BE SOLVED: To provide a terminal device which can reduce the risk of eavesdropping location information on communication routes. SOLUTION: The terminal device has a continuous measurement means for generating current location information 162 that indicates a current location of the terminal device 20, a basic location measurement information storage means for storing basic location measurement information 160, a current location information storage means for storing the current location information 162, a current location evaluation means for determining whether or not the current location included in the current location information 162 satisfies transmission conditions, a basic location measurement information acquisition means for acquiring the basic location measurement information 160 from the basic location measurement information storage means based on the determination result of the current location evaluation means, a basic notification information acquisition means for acquiring basic notification information 158 from a basic notification information storage means based on the determination result of the current location evaluation means, and a basic information transmission means for transmitting the basic location measurement information 160 acquired by the basic location measurement information acquisition means and the basic notification information 158 acquired by the basic notification information acquisition means to a location information management apparatus 60. COPYRIGHT: (C)2006,JPO&NCIPI |
