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HEARING PROTECTION DEVICE
专利权人:
发明人:
申请号:
EP14753131.3
公开号:
EP3035897A1
申请日:
2014.08.14
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
An earpiece for a hearing protection device comprising an earbud (301), which is arranged such that it may be inserted into the ear canal of a user to block the ear canal of the user, wherein an acoustic pathway (303) is provided, which extends through the earpiece, and wherein an acoustic resistor (304) is provided that blocks the acoustic pathway, which acoustic resistor comprises an air permeable material.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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