发明名称 High fidelity speaker system and assembly
摘要 A speaker system and assembly achieves a high fidelity sound reproduction by causing acoustical waves emanating from juxtaposed and co-axially positioned first and second speakers, which produce respective mid-range and treble frequencies, to reach a listener simultaneously.
申请公布号 US4727586(A) 申请公布日期 1988.02.23
申请号 US19860885199 申请日期 1986.07.14
申请人 JOHNSON, CHARLES A. 发明人 JOHNSON, CHARLES A.
分类号 H04R1/24;H04R1/26;(IPC1-7):H04R1/24 主分类号 H04R1/24
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