发明名称 Speaker grill assembly
摘要 A speaker grill assembly, which comprises a grill constructed to support a speaker on a wall. The grill includes a body having an opening through which the speaker emits sounds and a passageway through which the body may be connected to the wall. A perforated screen constructed to cover the opening and passageway in the body of said grill detachably is connected to the grill. A pad is constructed to prevent viewing the opening and passageway in the body of the grill while permitting the sound emitted by the speaker to pass substantially unimpaired therethrough. The pad is disposed between the grill and the perforated screen when the grill and the preforated screen are fastened to one another.
申请公布号 US5113968(A) 申请公布日期 1992.05.19
申请号 US19900592708 申请日期 1990.10.03
申请人 LEMMON, HAROLD J. 发明人 LEMMON, HAROLD J.
分类号 H04R1/02 主分类号 H04R1/02
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