发明名称 DUCT SPEAKER SYSTEM
摘要 The present invention relates to a speaker system which does not use separate speaker units suitable for each range to output a different range, and outputs a different range by using one speaker unit. The speaker system comprises: a case; a speaker embedded in the case; and a speaker unit installed on the rear surface of the speaker and configured to have a duct in a predetermined length.
申请公布号 KR20150142806(A) 申请公布日期 2015.12.23
申请号 KR20140071005 申请日期 2014.06.11
申请人 EM-TECH CO., LTD. 发明人 KWON, JOONG HAK;CHOE, HWAN OCK
分类号 H04R1/02;H04R1/32 主分类号 H04R1/02
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