PROBLEM TO BE SOLVED: To provide a pulse wave sensor capable of accurately measuring a subjects pulse wave.SOLUTION: A pulse wave sensor 1 includes: an optical sensor part 11 that applies light to an organism 2 from a light-emitting part to make a light-receiving part detect intensity of the light transmitted through the organism 2 a body part 10a for supporting the optical sensor part 11 a belt 20 that is attached to the body part 10a to be wound around the organism 2 and a buffer member 10c that is provided between the optical sensor part 11 and the body part 10a.COPYRIGHT: (C)2014,JPO&INPIT【課題】被験者の脈波を精度良く測定することのできる脈波センサを提供する。【解決手段】脈波センサ1は、発光部から生体2に光を照射して生体2内を透過した光の強度を受光部で検出する光センサ部11と、光センサ部11を担持する本体部10aと、本体部10aに取り付けられて生体2に巻き回されるベルト20と、光センサ部11と本体部10aとの間に設けられた緩衝部材10cと、を有する。【選択図】図18
