发明名称 SPEAKER
摘要 <p>A speaker having improved sound quality by reducing a phase difference and also having an excellent appearance is provided. In a speaker (1) comprising a vibrator (10), a drive portion (20) for vibrating the vibrator (10), and a frame (30) for supporting the vibrator (10) and the drive portion (20), the vibrator (10) has a protruded cross-section portion (T&lt;SUB&gt;1&lt;/SUB&gt;) in the center thereof, a front portion (10A) for forming a continuous curved surface having a recessed cross-section portion (T&lt;SUB&gt;2&lt;/SUB&gt;) in the periphery thereof, and a connection portion (10B) to which the drive portion (20) is connected in the rear direction of the front portion (10A).</p>
申请公布号 WO2008053551(A1) 申请公布日期 2008.05.08
申请号 WO2006JP321882 申请日期 2006.11.01
申请人 PIONEER CORPORATION;TOHOKU PIONEER CORPORATION;MATSUDA, KYOICHI;HIKICHI, TOSHIHIRO;ITOH, DAISUKE;KAIYA, TERUAKI 发明人 MATSUDA, KYOICHI;HIKICHI, TOSHIHIRO;ITOH, DAISUKE;KAIYA, TERUAKI
分类号 H04R9/04;H04R7/12;H04R9/02 主分类号 H04R9/04
代理机构 代理人
主权项
地址