发明名称 Hearing aid, ear piece, aid for its insertion into the ear and device for making a cast of the deepest part of the auditory passage
摘要 Hearing aid for placement in an ear includes a carrier, an enclosure, a microphone, a battery and a speaker. The carrier carries the battery and the enclosure has a microphone entrance. The enclosure envelopes the microphone, the battery and the speaker and is connected to the carrier. The enclosure has a first and a second end, the first end being directed to the outside and the second end being directed into the ear when placed in the ear. The carrier is situated between the first and the second end and the enclosure decreases in diameter from the carrier towards the first end.
申请公布号 US6577740(B1) 申请公布日期 2003.06.10
申请号 US20000508163 申请日期 2000.03.08
申请人 BORDEWIJK LOURENS GEORGE 发明人 BORDEWIJK LOURENS GEORGE
分类号 H04R25/00;H04R25/02;(IPC1-7):H04R25/00 主分类号 H04R25/00
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