发明名称 LOUDSPEAKER
摘要 PURPOSE:To form an effective magnetic air-gap by providing a damper sticking base in which a damper is stuck and fixed to the outside periphery, and the inside peripheral circle is fitted to a magnetic gap. CONSTITUTION:The titled loudspeaker is provided with a damper sticking base 12 is which a damper 6 is stuck and fixed to the outside periphery, and the inside peripheral circle is fitted into a magnetic gap. The sticking base 12 is formed by a ferromagnetic material such as an iron plate, etc., of about 1mm. Therefore, the sticking base 12 can comply with a request for changing the performance. In this way, an effective magnetic air-gap is formed.
申请公布号 JPS62163497(A) 申请公布日期 1987.07.20
申请号 JP19860004555 申请日期 1986.01.13
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 OKADA ASAHIKO
分类号 H04R9/02 主分类号 H04R9/02
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