| 摘要 |
To be able to further accurately measure a walk step number by restraining a walk from being erroneously detected by operating an operating portion. When operation of an operating portion (104) is detected, CPU (101) proceeds to a walk determining mode, counts a walk signal from an acceleration sensor (105) to successively store to a walk step number buffer memory (110), proceeds to a walk step number measuring mode when walking is determined in the walk determining mode, adds the walk step number stored to the walk step number buffer memory (110) to a walk step number stored to a walk step number memory (109), thereafter, continuously measures the walk step number, and adds the walk signal to the walk step number of the walk step number memory (109) at each time of receiving the walk signal from the acceleration sensor (105).
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