PROBLEM TO BE SOLVED: To provide a biological information acquisition apparatus that can select a sensor capable of acquiring optimum biological information from a plurality of sensors.SOLUTION: The biological information acquisition apparatus includes: the plurality of sensors 19a-19c, 20a-20c which detect the vibration generated by a living body to output a signal corresponding the vibration a filter processing part 12 which extracts a frequency component of biological information of a target to be acquired from the signal to output an extraction signal a detection state determination part 14 which determines the extraction signal having the whole amplitude value being out of a predetermined range as a noise and outputs a pulse signal corresponding the noise and a sensor evaluation/selection part 15 which outputs a new evaluation value of a sensor by adding the pulse signal to a value of multiplying a latest evaluation value of the sensor by a predetermined constant and selects the sensor for acquiring the biological information based on the new evaluation value.COPYRIGHT: (C)2013,JPO&INPIT【課題】複数のセンサから最適な生体情報を取得可能なセンサをリアルタイムで選択できる。【解決手段】生体が発する振動を検出して振動に対応した信号を出力する複数のセンサ19a~19c、20a~20cと、信号から取得目的とする生体情報の周波数成分のみを抽出して抽出信号を出力するフィルタ処理部12と、抽出信号において全振幅値が所定範囲外の信号をノイズと判断し、ノイズに対応したパルス信号を出力する検出状態判定部14と、センサの前回の評価値に所定の定数を乗じた値にパルス信号を加えることによりセンサの新たな評価値を出力し、新たな評価値に基づいて生体情報を取得するセンサを選択するセンサ評価・選択部15と、を備えた生体情報取得装置。【選択図】図3
