发明名称 SPEAKER AND ELECTRONIC APPARATUS AND DEVICE USING THE SAME
摘要 <p>The present invention relates to a loudspeaker in the acoustic field and the information communication field. The invention provides a loudspeaker that can realize a thinner size. To achieve this, the loudspeaker of the present invention is structured so that a part of a diaphragm is inserted to a dent or an opening formed at the center poles of a lower plate of a magnetic circuit. This structure allows the diaphragm to be stored within the height of the magnetic circuit, thus allowing the loudspeaker to have a thinner size.</p>
申请公布号 EP1971185(A1) 申请公布日期 2008.09.17
申请号 EP20070713645 申请日期 2007.01.19
申请人 PANASONIC CORPORATION 发明人 SANO, KOUZI;SUMIYAMA, MASAHIDE;FUKUYAMA, TAKANORI;SHIMOKAWATOKO, TAKESHI;KUBO, KAZUTAKA;ITOH, SATOSHI;HONDA, KAZUKI
分类号 H04R9/02;H04R7/12 主分类号 H04R9/02
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