PROBLEM TO BE SOLVED: To improve detection accuracy of a heartbeat signal by a heartbeat sensor.SOLUTION: A frequency band to be processed in a detection signal of a heartbeat sensor 21 is controlled according a detection signal of an inertial sensor 22.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2017,JPO&INPIT【課題】心拍センサによる心拍信号の検出精度を向上する。【解決手段】慣性センサ22の検出信号に応じて、心拍センサ21の検出信号において処理対象とする周波数帯を制御する。【選択図】図6