| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic apparatus which is capable of accurate positioning even when receiving an impact in a place, such as in doors, where GPS cannot serve.SOLUTION: An electronic apparatus 1 includes a horizontal acceleration sensor 3, a vertical acceleration sensor 2, an atmospheric pressure sensor 4, and an arithmetic unit 8 which processes output signals from them to determine a current position. When a vertical acceleration measured by the vertical acceleration sensor 2 exceeds a prescribed value, the arithmetic unit 8 estimates the current position by using the output signal of the atmospheric pressure sensor 4 instead of the output signal of the vertical acceleration sensor 2, for a prescribed time after the excess over the prescribed value. |
