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1. 发明授权

US5402502A Sound output system 失效
标题翻译：声音输出系统
公开(公告)号：US5402502A
公开(公告)日：1995-03-28
申请号：US99928
申请日：1993-08-03
申请人： Allen Boothroyd , Michael D. G. Jewitt , Graeme V. Foy
发明人： Allen Boothroyd , Michael D. G. Jewitt , Graeme V. Foy
IPC分类号： H04R1/00 , H04R1/02 , H04R1/26 , H04R1/34 , H04R1/40 , H04R5/02 , H04R25/00
CPC分类号： H04R5/02 , H04R1/026 , H04R1/345 , H04R1/403
摘要： A loudspeaker unit is provided for attachment at an elevated position within a listening space. It has a drive unit for producing a beam of treble sound, and a sound mirror that distributes a beam from the sound unit over a wide angular extent both horizontally and vertically with a generally consistent amplitude of perceptible sound. The unit may further comprise an angled mid range and low frequency drive unit. The unit demountably clips into a support bracket that can be carried by a post or fixed directly to the wall. Signal supply is via connectors in the bracket so that as the unit is clipped in place, the electrical connections are established. The speaker is quadrant shaped when viewed in plan and lends itself to installation in groups and clusters (FIG. 13).
摘要翻译：提供扬声器单元用于在收听空间内的升高位置附接。它具有用于产生高音声束的驱动单元，以及以大致一致的可感知声音幅度在水平和垂直方向上从声音单元分布波束的声镜。该单元还可以包括成角度的中间范围和低频驱动单元。该装置可拆卸地夹入可由柱子承载或直接固定在墙壁上的支撑支架中。信号供应通过支架中的连接器，因此当本机被固定在适当位置时，电气连接已建立。当在平面图中观看时，扬声器呈四分之一形状，并且以组和群组的形式安装（图13）。

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