发明名称 Diaphragm edge of speaker
摘要 Provided is a diaphragm edge of a speaker which is formed by compressing a material including silicon rubber and has an emboss portion on a front surface thereof so that sensitivity of sound is improved. Also, a diaphragm edge of a speaker is formed by compressing a material including silicon rubber and powdered viscose rayon and has an emboss on a front surface thereof.
申请公布号 US7463749(B2) 申请公布日期 2008.12.09
申请号 US20040781665 申请日期 2004.02.20
申请人 LEE JONG-PYO 发明人 LEE JONG-PYO
分类号 H04R7/22;H04R25/00;H04R7/02;H04R7/18;H04R7/20 主分类号 H04R7/22
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