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    • 2. 发明授权
    • Flat speaker unit
    • 平板扬声器单元
    • US4860369A
    • 1989-08-22
    • US36340
    • 1987-04-09
    • Katsumi KoshimuraAkio Koike
    • Katsumi KoshimuraAkio Koike
    • H04R1/02H04R1/24H04R9/04
    • H04R1/025H04R1/24H04R9/047H04R2201/021
    • A flat speaker device having a flat speaker unit fitted into a through-hole for mounting a speaker of a wall surface board having its back secured to a wall surface leaving a specific spacing therebetween, the flat speaker unit comprising a total-drive type flat speaker comprising a plurality of magnets juxtaposed on a plane and a diaphragm formed from a plurality of projections for respectively covering the plurality of magnets, a speaker frame with a mounting flange mounted on the flat speaker so as to encircle the outer periphery of the flat speaker, rod-like screw members mounted so as to pass through the speaker frame from the front surface towards the back, and swining blades each disposed on the back of the speaker frame with one end threadedly engaged with a respective rod-like screw member and having a length such that when the blade is swung outwardly of a diagonal line of the speaker frame, the tip portion of the blade extends outwardly from the speaker frame.
    • 一种扁平扬声器装置,其具有安装在通孔中的平板扬声器单元,所述通孔用于安装壁表面板的扬声器,所述壁表面板的背面固定在墙壁表面上,留下一定间隔,所述平板扬声器单元包括全驱动型平板扬声器 包括并列在平面上的多个磁体和由用于分别覆盖所述多个磁体的多个突起形成的隔膜;扬声器框架,其具有安装在所述平坦扬声器上的安装凸缘,以围绕所述平坦扬声器的外周; 杆状螺纹构件安装成从前表面朝向背面穿过扬声器框架,并且将每个设置在扬声器框架背面的叶片切割成一个与相应的杆状螺钉构件螺纹接合的一端,并且具有 长度使得当叶片从扬声器框架的对角线向外摆动时,叶片的尖端部分从扬声器框架向外延伸。