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Manually switching dual-mode hearing protector
专利权人:
Theodore J. Werner
发明人:
Theodore J. Werner
申请号:
US11586242
公开号:
US08130971B2
申请日:
2006.10.25
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A manually switching dual-mode hearing protector including an active hearing protection device that does not only provide for acoustic attenuation of ambient sound in order to protect hearing of a user in a noisy environment but in addition provides electro-acoustically bypassing of this acoustic attenuation function in order to provide the user with a communication function in order to enable the user to perceive speech signals even when wearing the manually switching dual-mode hearing protector in a noisy environment.
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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