发明名称 ACOUSTIC TRANSDUCER DEVICE
摘要 The present invention relates to a sound converter, and, more particularly, to a sound converter which can solve a problem in that a vibration space decreases in the sound converter requiring high outputs, as the overall height of a voice coil increases.
申请公布号 EP2490461(A4) 申请公布日期 2013.05.01
申请号 EP20110818309 申请日期 2011.07.25
申请人 EM-TECH. CO., LTD. 发明人 KIM, JI HOON;KO, KWAN HO;KWON, JOONG HAK
分类号 H04R7/16;H04R9/02;H04R9/04;H04R9/06 主分类号 H04R7/16
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