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Variable sound attenuator
专利权人:
Ralph T. Campagna;Natan Bauman
发明人:
Natan Bauman,Ralph T. Campagna
申请号:
US14212409
公开号:
US09333116B2
申请日:
2014.03.14
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A sound attenuator that allows a user to adjust the amount of attenuation in a variable, continuous fashion or in a discrete controlled fashion from zero attenuation to maximum attenuation without removing the device from the ear. The ear attenuator includes a housing having a passageway, the passageway allowing for sound to pass through the housing and a variable control, the variable control able to control the size of the passageway through the housing and the amount of attenuating material located within the passageway through the housing.
来源网站:
中国工程科技知识中心
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