| 摘要 |
An electronic device is provided with a magnetostriction apparatus and a main body. The magnetostriction apparatus includes a super magnetostrictor which extracts and contracts in accordance with a magnetic field, a coil and bias magnets which generate the magnetic field, and a housing which maintains the components at predetermined positions. The magnetostriction apparatus is fitted to the main body such that the super magnetostrictor is perpendicular to the face of the main body where the apparatus is fitted. The housing is connected to the main body so that a predetermined pressure is applied to the super magnetostrictor by the main body and the housing.
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