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Procédé de fabrication d'un bouchon d'oreille
专利权人:
SONOVA AG
发明人:
申请号:
EP07019149.9
公开号:
EP1880699B1
申请日:
2004.08.25
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
The invention relates to an active hearing protection earplug comprising a shell (2000) to be worn at least in part in a user's ear canal and being adapted to attenuate sound waves arriving at the outer end (2001) of the shell, and an active system (2002, 2010) comprising an input transducer (2024) for converting ambient sound into audio signals, an audio signal processing unit (2028) for processing said audio signals, and an output transducer unit (2010) mounted within the shell for converting said processed audio signals into sound output at the inner end of the shell, wherein the amplification of the active system is negative and wherein said output transducer unit comprises at least two separate outputs (2032, 2034). The invention also relates to a method for manufacturing such an earplug.
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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