发明名称 |
VIBRATION CONE FOR SPEAKER, AND SPEAKER EMPLOYING IT |
摘要 |
PROBLEM TO BE SOLVED: To provide a vibration cone for a speaker being employed in a variety of sound equipment and suitable for a speaker of high sound quality, and to provide a speaker employing it. SOLUTION: An edge 4b is molded integrally with vibration cone body 4a using an edge material of foamed plastic having a softening point lower than that of synthetic resin constituting the vibration cone body 4a. Consequently, a vibration cone 4 for a speaker having a stabilized quality is obtained with extremely high productivity, and a speaker having a high sound quality, a low distortion and a high resistance against input is provided. COPYRIGHT: (C)2005,JPO&NCIPI
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申请公布号 |
JP2004350012(A) |
申请公布日期 |
2004.12.09 |
申请号 |
JP20030144455 |
申请日期 |
2003.05.22 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
SHIMOKAWATOKO YACHIYO;YAMAZAKI HIROKO;YUASA TAKAFUMI;OKAZAKI MASATOSHI |
分类号 |
H04R7/20;H04R31/00;(IPC1-7):H04R7/20 |
主分类号 |
H04R7/20 |
代理机构 |
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代理人 |
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地址 |
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