| 摘要 |
PROBLEM TO BE SOLVED: To provide a biological information-measuring device which can accurately and simply measure a biological information. SOLUTION: The device comprises an external auditory canal insertion part 11 which is inserted to an external auditory canal of a human body, a light-emitting and receiving parts 12 and 13 which are installed on the external auditory canal insertion part 11 and respectively emits a light to the tympanic membrane of the human body and receives the reflected light from the tympanic membrane, and a biological information-calculating part which calculates the biological information based on signals obtained from the reflected light. Consequently, the device can less-invasively obtain the biological information without compression of the external auditory canal to measure the biological information based on the reflected light from the tympanic membrane where artery is present. Furthermore, the device is less likely to matter in breathability and can also address sequential measurement for a long period of time. COPYRIGHT: (C)2007,JPO&INPIT
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