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Noise reduction earmuffs system and method
专利权人:
Alvin J. Halfaker
发明人:
Alvin J. Halfaker
申请号:
US16299045
公开号:
US10507138B1
申请日:
2019.03.11
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An earmuffs system for noise reduction including an external microphone used in combination with active noise cancellation technology for the reduction of wind or other noises typically experienced while riding a vehicle such as a motorcycle, snow machine or ATV, the earmuffs system including a first earmuff including a first speaker and a first microphone therein; a second earmuff electrically coupled to the first ear muff, the second ear muff including a second speaker and a second microphone therein; noise cancellation circuitry for receiving first sounds from the first microphone and the second microphone and processing the first sounds by in part canceling the first sounds to form a first sound output that is provided from the first speaker and the second speaker; a third microphone placed external to the first earmuff, the third microphone supplying second sounds for the first speaker to output as a second sound output without the second sounds undergoing noise cancellation processing; and a fourth microphone placed external to the second earmuff, the fourth microphone supplying third sounds for the second speaker to output as a third sound output without the third sounds undergoing noise cancellation processing.
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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