发明名称 PICKUP
摘要 PURPOSE:By joining the base of a stylus to a semiconductor stress element which has a neck portion of less than 0.01 cm<2> and by supporting the unit with an elastical construction unit, to mass produce at low cost a pickup of high capability at high frequency and at video frequency band.
申请公布号 JPS5237003(A) 申请公布日期 1977.03.22
申请号 JP19750113050 申请日期 1975.09.17
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 ODA FUJIO
分类号 H04R17/04 主分类号 H04R17/04
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