PROBLEM TO BE SOLVED: To provide a pulse measuring device capable of accurately measuring a pulse rate even when noise is mixed in a pulse wave signal due to body motion of a subject to be measured.SOLUTION: A pulse measuring device comprises: a pulse wave signal acquisition section for detecting a pulse wave by a pulse wave sensor 15 and acquires a pulse signal a body motion signal acquisition section for detecting body motion by an acceleration sensor 33 and acquires a body motion signal a frequency conversion section for converting both of the pulse wave signal and the body motion signal from a time area to a frequency area respectively and finds a pulse wave spectrum being a frequency spectrum of the pulse wave signal and an acceleration spectrum being a frequency spectrum of the body motion signal a difference spectrum calculation section for finding a difference spectrum by calculating the difference between the pulse wave spectrum and the acceleration spectrum and a pulse rate calculation section for finding a pulse rate on the basis of the difference spectrum.COPYRIGHT: (C)2016,JPO&INPIT【課題】脈波信号中に被測定者の体動によるノイズが混入するような状況でも精確に脈拍数を測定することができる脈拍測定装置を提供する。【解決手段】脈波を脈波センサ15によって検知して脈波信号を取得する脈波信号取得部と、体動を加速度センサ33によって検知して体動信号を取得する体動信号取得部と、脈波信号と体動信号の両方をそれぞれ時間領域から周波数領域へ変換して脈波信号の周波数スペクトルである脈波スペクトルと体動信号の周波数スペクトルである加速度スペクトルを求める周波数変換部と、脈波スペクトルと加速度スペクトルの差分をとることにより差分スペクトルを求める差分スペクトル算出部と、差分スペクトルに基づいて脈拍数を求める脈拍数算出部と、を有する脈拍測定装置。【選択図】図2
