| 摘要 |
<p>A microphone (22) is connected to the opening at one end of a pressure-sensitive tube (21), and a first securing member (30) is fixed to the other end portion thereof. A second securing member (40) is fixed to the middle portion of the pressure-sensitive tube (21). When the pressure-sensitive tube (21) is installed in the bedding, the first securing member (30) and the second securing member (40) are located at the opposite side end portions of the bedding, and the bedding is held by the clip portions (35, 45) of the respective securing members (30, 40)</p> |
