发明名称 WIND NOISE PREVENTING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a wind noise preventing device which enables visually handicapped persons and the like to easily converse and go out in windy days by reducing wind noise.SOLUTION: There is provided a wind noise preventing device for covering all the region or a part of the head including the ears to reduce wind noise, which includes cheek and ear-covering portions for covering a surrounding region including the ears and the cheeks to prevent invasion of airflow into external auditory canals, an eddy-extinguishing means comprising a fluff-like body for covering the surfaces of the cheek and ear-covering portions, and a fixing means for fixing the cheek and ear-covering portions and the eddy-extinguishing means onto the head, and thus environmental sounds and conversations can be heard, even when staying in strong wind such that having a wind velocity of more than 10 m/s, as the invasion of the airflow into the external auditory canals is blocked, a main bone conduction sound is reduced and a main secondarily generated sound is also reduced to prevent the wind noise.
申请公布号 JP2013204184(A) 申请公布日期 2013.10.07
申请号 JP20120073456 申请日期 2012.03.28
申请人 INSTITUTE OF NATIONAL COLLEGES OF TECHNOLOGY JAPAN 发明人 MOGI RYOHEI
分类号 A42B1/18;A42B1/06 主分类号 A42B1/18
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