PROBLEM TO BE SOLVED: To provide a pulse wave propagation time measurement device capable of measuring pulse wave propagation time more accurately.SOLUTION: A pulse wave propagation time measurement device according to one aspect of the present invention comprises: a belt unit; a plurality of first electrodes and a plurality of second electrodes provided on the inner peripheral surface of the belt unit; a third electrode provided on the outer peripheral surface of the belt unit; a first electrocardiographic signal acquisition unit which acquires a first electrocardiographic signal of a user by using the plurality of first electrodes; a second electrocardiographic signal acquisition unit which acquires a second electrocardiographic signal of the user by using the second electrodes and the third electrode; a feature amount parameter calculation unit which calculates a feature amount parameter pertaining to a waveform feature point of the first electrocardiographic signal on the basis of a waveform feature point of the second electrocardiographic signal; a pulse wave signal acquisition unit which includes a pulse wave sensor provided on the belt unit, and acquires a pulse wave signal representing the pulse wave of the user by using the pulse wave sensor; and a pulse wave propagation time calculation unit which detects a waveform feature point of the first electrocardiographic signal by using the feature point parameter, and calculates a pulse wave propagation time on the basis of the time difference between the detected waveform feature point and the waveform feature point of the pulse wave.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】 脈波伝播時間をより正確に測定できる脈波伝播時間測定装置を提供する。【解決手段】 一態様に係る脈波伝播時間測定装置は、ベルト部と、ベルト部の内周面に設けられた複数の第1の電極及び第2の電極と、ベルト部の外周面に設けられた第3の電極と、複数の第1の電極を用いてユーザの第1の心電信号を取得する第1の心電信号取得部と、第2の電極及び第3の電極を用いてユーザの第2の心電信号を取得する第2の心電信号取得部と、第2の心電信号の波形特徴点に基づいて第1の心電信号の波形特徴点に関する特徴量パラメータを算出する特徴量パラメータ算出部と、ベルト部に設けられた脈波センサを含み、脈波センサを用いてユーザの脈波を表す脈波信号を取得する脈波信号取得部と、特徴量パラメ