| 摘要 |
The invention relates to an electroacoustic transducer (100) comprising a housing (180); an oscillating structure that comprises at least one disc-shaped piezoelectric element (150) having a first and a second surface (151, 152) and an acoustic transmitter (140); and electrical connecting means for contacting the electrodes of the piezoelectric element (150), said acoustic transmitter (140) having a first surface (141) and a second surface (142) that is parallel to said first surface, and the first surface (141) of the acoustic transmitter (140) being connected to the first surface (151) of the piezoelectric element (150) and the second surface (142) of the acoustic transmitter (140) being suitable for emitting and/or receiving sound waves. The distance (d) between the second surface (142) of the acoustic transmitter (140) and the second surface (152) of the piezoelectric element (150) is essentially ¼ of the wavelength λ of a resonant oscillation of the oscillating structure. According to the invention, the piezoelectric element (150) is connected to the housing (180) by means of a bearing structure (170), said bearing structure (170) being designed to allow the piezoelectric element (150) to expand transversely. |
