发明名称 HEADPHONE APPARATUS
摘要 A single chamber headphone apparatus and earcup design is provided which enhances wearer comfort, reduces headphone weight, facilitates ease of use, maintenance and operation by providing an improved internal chamber and battery cap configuration. Sound quality is improved by eliminating acoustic problems associated with two-chamber headset designs. A volume balance control is also provided.
申请公布号 US2010310093(A1) 申请公布日期 2010.12.09
申请号 US20080746916 申请日期 2008.12.12
申请人 ABLE PLANET, INCORPORATED 发明人 SEMCKEN KEVIN R.
分类号 H03G3/00;H04R25/00 主分类号 H03G3/00
代理机构 代理人
主权项
地址