| 摘要 |
<P>PROBLEM TO BE SOLVED: To propose an ear canal fitting unit and a biological signal measuring device which increase a degree of accuracy in measurement and are user-friendly. <P>SOLUTION: The ear canal fitting unit includes a tube which is inserted into an ear canal, a flexible electrode disposed along the outer circumferential surface of the tube in such a manner that a gap is formed between the electrode and the inner surface of the ear canal, a pressing means for deforming the electrode in a direction to be away from the outer circumferential surface of the tube and pressing the electrode against the inner surface of the ear canal, and a suppressing means for suppressing the bush-back of the electrode pressed against the inner surface of the ear canal. <P>COPYRIGHT: (C)2010,JPO&INPIT |
