发明名称 HEARING AID
摘要 PURPOSE:To obtain a hearing aid not in direct contact with a human body and not to use any earphone by adopting a structure that magnified sound is generated to a specific space only. CONSTITUTION:A specific location and a specific space where a person 5 hard of hearing are limited and a means 1 collecting sound so as to offer larger sound to the place only more than the surrounding is provided. That is, as a sound collection means, an umbrella 1 whose inner peripheral face 2 is formed to be a parabolic face is arranged toward the direction where the person 5 hard of hearing, the sound from a sound source 4 is outputted from a speaker 3, reflected and magnified by the inner face 2 being the parabolic face and directed to the person 5 hard of hearing straightforward and the magnified sound is listened to. Thus, a hearing aid device without using any earphone or the like is obtained.
申请公布号 JPH01261100(A) 申请公布日期 1989.10.18
申请号 JP19880089610 申请日期 1988.04.12
申请人 ONO HIROSHI 发明人 ONO HIROSHI
分类号 H04R1/34;H04R3/00;H04R25/00 主分类号 H04R1/34
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