发明名称 Pick-up head for an electronic stethoscope
摘要 The pick-up head (1) with an acousto-electrical transducer (4) for converting sound vibrations to electrical signals, comprises as characterizing features a sound influencing bell (2) arranged around a slender peg (3) bonded directly to the transducer (4), and the sound influencing bell (2) delimits a listening area on a body surface and influences to a predetermined degree and in a predetermined manner, by means of internal reflection and/or absorption, the direct sound picked up by the slender center peg (3). The bell (2) is acoustically decoupled from the center peg (3).
申请公布号 US6324289(B2) 申请公布日期 2001.11.27
申请号 US19980066395 申请日期 1998.05.08
申请人 MEDITRON A/S 发明人 ORTEN BIRGER
分类号 A61B7/04;(IPC1-7):A61B7/04 主分类号 A61B7/04
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