发明名称 IN-EAR-CANAL AUDIO RECEIVER AND STETHOSCOPE HAVING THE SAME
摘要 The present invention provides an in-ear-canal audio receiver (42) comprising an in-ear-canal adapter body (96) having a tapered ear plug portion (98) that is inserted into the user's ear canal. The adapter body (96) further has an opening (104) in the plug portion, an exterior annular indent (128), and an inner chamber (94) coupled to the opening of the plug portion. The inner chamber of the in-ear-canal adapter body holds a transducer assembly (92) comprising a transducer housing (54) and a transducer or speaker (56). The transducer (56) is positioned in a passage extending through the transducer housing. A torus-shaped cushion (106) is positioned in the annular indent of the in-ear-canal adapter body (96). The cushion provides comfort and establishes a good seal with the user's ear.
申请公布号 CA2257790(A1) 申请公布日期 1997.08.28
申请号 CA19972257790 申请日期 1997.02.21
申请人 UNIVERSITY RESEARCH ENGINEERS & ASSOCIATES, INC. 发明人 CALLAHAN, THOMAS F.
分类号 A61B7/02;H04R1/10;(IPC1-7):A61B7/02;H04R25/00;A61B7/04 主分类号 A61B7/02
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