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 US2013133975(A1) 申请公布日期 2013.05.30
申请号 US201113635176 申请日期 2011.07.25
申请人 KIM JI HOON;KO KWAN HO;KWON JOONG HAK;EM-TECH CO., LTD. 发明人 KIM JI HOON;KO KWAN HO;KWON JOONG HAK
分类号 G10K13/00 主分类号 G10K13/00
代理机构 代理人
主权项
地址