发明名称 HEARING AID
摘要 A hearing aid in which selected frequency components of sound being vented from the ear canal of the user of the hearing aid to eliminate the "occlusion effect" are conducted to an acoustically isolated cavity to eliminate, or greatly reduce, feedback in the hearing aid.
申请公布号 US5195139(A) 申请公布日期 1993.03.16
申请号 US19910700581 申请日期 1991.05.15
申请人 ENSONIQ CORPORATION 发明人 GAUTHIER, EDOUARD A.
分类号 H04R25/00;H04R25/02 主分类号 H04R25/00
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