| 摘要 |
PROBLEM TO BE SOLVED: To prevent illegal use in two or more terminal equipments. SOLUTION: A terminal equipment 100 sends current position information to an information center 300 together with user ID and a password. A authenticating device 36 in the center 300 certificates cates a user by the user ID and the password stored in an authenticating can memory 38 and judges whether the terminal equipment 100 can be moved from position information inputted at the time of preceding use and position information inputted at the time of current use. At the time of judging the disablement of movement, the use is rejected. |
