发明名称 Solar powered hearing aid
摘要 Hearing aids include rechargeable batteries and contacts accessible from outside of the hearing aid casing for the battery. A charging case includes solar cells mounted on the charging case for outputting energy for charging the batteries in the hearing aids. The charging case may include silos for supporting an over-the-ear hearing aid or a recess for receiving a volume control on the hearing aid.
申请公布号 US5253300(A) 申请公布日期 1993.10.12
申请号 US19910720654 申请日期 1991.06.25
申请人 H. C. KNAPP SOUND TECHNOLOGY INC. 发明人 KNAPP, HERBERT C.
分类号 H04R25/00;(IPC1-7):H04R25/00 主分类号 H04R25/00
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