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 US2004218780(A1) 申请公布日期 2004.11.04
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;H04R7/02;H04R7/18;H04R7/20;(IPC1-7):H04R1/00;H04R9/06;H04R11/02 主分类号 H04R7/22
代理机构 代理人
主权项
地址