发明名称 Improvements in or relating to loudspeakers
摘要 PCT No. PCT/GB90/01614 Sec. 371 Date Apr. 17, 1992 Sec. 102(e) Date Apr. 17, 1992 PCT Filed Oct. 19, 1990 PCT Pub. No. WO91/06191 PCT Pub. Date May 2, 1991.A chassis for a loudspeaker assembly comprising a diaphragm and a chassis. The chassis is situated in front of the diaphragm of the loudspeaker. The chassis comprises a central member which is provided with an aperture so that it can be connected to the center pole of a magnet. Extending from the central member to an outer flange are a plurality of spokes or a perforated member which provide protection for the diaphragm.
申请公布号 US5475765(A) 申请公布日期 1995.12.12
申请号 US19940334844 申请日期 1994.11.04
申请人 LYTH, CHARLES D. 发明人 LYTH, CHARLES D.
分类号 H04R9/02;H04R9/06;(IPC1-7):H04R25/00 主分类号 H04R9/02
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