| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable navigation device which enables a user to clearly determine which of the right and left ways should be taken even if the navigation is performed with vibration.SOLUTION: Right and left vibrating terminals 2, 3 can communicate with a portable terminal device 1, can be worn by and removed from a user, and are independent of each other. Therefore, the user can use the right and left vibrating terminals 2, 3 in an independent manner so as to easily determine which of the right and left vibrating terminals 2, 3 vibrates. Namely, even the navigation by vibration enables the user to clearly determine which of the right and left ways should be taken. |
