发明名称 Earphone
摘要 The receiver unit includes a receiver body, a housing containing this receiver body, a cord connected to the receiver body, and a cord protector for protecting the cord. The cord protector is a plate-like member having a substantially rectangular shape, and includes an engaging portion and a semicircular portion. The cord protector is formed of soft material such as urethane rubber having Shore hardness of about A90, and its wall thickness is set to be 0.3 to 0.6 mm (0.5 mm, for example).
申请公布号 US7551748(B2) 申请公布日期 2009.06.23
申请号 US20050084045 申请日期 2005.03.21
申请人 STAR MICRONICS CO., LTD. 发明人 KAMO SHOTARO;MATSUYAMA EIJI;KITAMURA HAJIME;FUSHIMI ISAO;SUGIYAMA MASAYOSHI
分类号 H04R25/00;H04R1/10 主分类号 H04R25/00
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