| 摘要 |
A vibrating device that can be applied to various purposes other than as a vibrator and that can achieve cost reduction, size reduction, and space saving by a reduction in the number of components, and a mobile phone using this vibrating device are provided. The vibrating device has a housing supported by a base and capable of oscillating in a vibration frequency range of a vibrator, and an expandable rod that can expand and contract, one end of which is fixed to the housing, and the other end of which is a free end contacting the base. The base is resonated by oscillation of the housing in the vibration frequency range of a vibrator, while the base is vibrated by expansion and contraction of the expandable rod in a sound frequency range other than the vibration frequency range of a vibrator.
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