发明名称 Sound output system
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).
申请公布号 US5402502(A) 申请公布日期 1995.03.28
申请号 US19930099928 申请日期 1993.08.03
申请人 CANON AUDIO LIMITED 发明人 BOOTHROYD, ALLEN;JEWITT, MICHAEL D. G.;FOY, GRAEME V.
分类号 H04R1/00;H04R1/02;H04R1/26;H04R1/34;H04R1/40;H04R5/02;(IPC1-7):H04R25/00 主分类号 H04R1/00
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