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
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
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