PROBLEM TO BE SOLVED: To provide a technology that can improve the accuracy of measurement in a device for measuring pulse waves using a plurality of light sources.SOLUTION: The pulse wave measuring device includes: a first light emitting part for irradiating a measurement site for measuring pulse waves with the light of a first wavelength a first light receiving part receiving the reflected light of the first wavelength at the measurement site and outputting a measurement signal based on the amount of light received a second light emitting part for irradiating the measurement site with a light of second wavelength and receiving the reflected light of the second wavelength at the measurement site and outputting the measurement signal based on the amount of light received wherein the second light receiving part is provided at the position where a line segment connecting the first light emitting part and the first light receiving part and a line segment connecting the second light emitting part and the second light receiving part cross, when viewed from the measurement site and a generation part for generating a pulse wave signal indicating pulse waves based on at least one of a first measurement signal output by a first light receiving part and a second measurement signal output by the second light receiving part.COPYRIGHT: (C)2013,JPO&INPIT【課題】複数の光源を用いて脈波の測定を行う装置において、測定の精度を高くすることのできる技術を提供する。【解決手段】脈波測定装置は、脈波を測定する測定部位に第1の波長の光を照射する第1の発光部と、前記第1の波長の光が測定部位で反射した光を受光し、受光量に基づく測定信号を出力する第1の受光部と、前記測定部位に第2の波長の光を照射する第2の発光部と、前記第2の波長の光が測定部位で反射した光を受光し、受光量に基づく測定信号を出力する第2の受光部であって、前記測定部位からみた場合に前記第1の発光部と前記第1の受光部とを結ぶ線分と、前記第2の発光部と前記第2の受光部とを結ぶ線分とが交差する位置に設けられた第2の受光部と、前記第1の受光部が出力する第1の測定信号及び前記第2の受光部が出力する第2の測定信号の少なくともいずれか一方に基づいて脈波を示す脈波信号を生成する生成部とを備える。【選択図】図1
