发明名称 EARPLUG-TYPE EARPHONE
摘要 An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.
申请公布号 US2012116231(A1) 申请公布日期 2012.05.10
申请号 US200913319441 申请日期 2009.11.16
申请人 LIAO GUOQIANG;WONG MING YIP;MA CHOR TIN;PERCEPTION DIGITAL LIMITED 发明人 LIAO GUOQIANG;WONG MING YIP;MA CHOR TIN
分类号 A61B6/00;H04R1/10 主分类号 A61B6/00
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