PROBLEM TO BE SOLVED: To provide a pulse measuring device capable of detecting a change even in a small body motion such as mastication, and preventing erroneous pulse detection.SOLUTION: A pulse measuring device 1A includes: a pulse sensor part 20 for detecting reflected light of the light irradiated to an outer ear and outputting a pulse detection signal SD6 a motion sensor part 10 for detecting the displacement of an external auditory canal and outputting a motion detection signal SD3 and a control part 40 for receiving the pulse detection signal SD6 from the pulse sensor part 20, and the motion detection signal SD3 from the motion sensor part 10, and calculating the pulse by subtracting the motion detection signal SD3 from the pulse detection signal SD6.COPYRIGHT: (C)2015,JPO&INPIT【課題】咀嚼のような小さな体動でもその変化を検出し、脈拍の誤検出を防止できる脈拍測定装置を提供する。【解決手段】脈拍測定装置1Aは、外耳に照射された光の反射光を検知して脈拍検知信号SD6を出力する脈拍センサ部20と、外耳道の変位を検知し、動き検知信号SD3を出力する動きセンサ部10と、脈拍センサ部20からの脈拍検知信号SD6および動きセンサ部10からの動き検知信号SD3を受け、脈拍検知信号SD6から動き検知信号SD3を差し引いて脈拍を算出する制御部40とを備えている。【選択図】図1
