发明申请
- 专利标题： Earpad and Headphones
- 专利标题（中）： Earpad和耳机
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申请号： US12234791申请日： 2008-09-22
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公开(公告)号： US20090110226A1公开(公告)日： 2009-04-30
- 发明人: Hiroyuki Ishida
- 申请人： Hiroyuki Ishida
- 优先权： JPP2007-277971 20071025
- 主分类号： H04R25/00
- IPC分类号： H04R25/00
摘要：
There is provided an earpad that is attachable to a housing capable of containing an audio signal processing unit and includes a ring-shaped cushioning member and a covering member covering the ring-shaped cushioning member. In the earpad, the ring-shaped cushioning member includes an outer ring member, a middle ring member and an inner ring member, and the hardness of the middle ring member is different from the hardness of the outer ring member and the inner ring member.
公开/授权文献
- US08213662B2 Earpad and headphones 公开/授权日：2012-07-03
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