PROBLEM TO BE SOLVED: To provide a biological information acquiring apparatus capable of stably detecting electrocardiographic signals especially when myoelectric noise is carried in measuring electrocardiographic signals.SOLUTION: The biological information acquiring apparatus includes: an electrode array 18 including a plurality of electrodes 10-16 brought into contact with a subject electrocardiogram specifying means for measuring electrocardiographic R-waves of the electrocardiographic signals of the subject and specifying a plurality of combinations of electrodes to acquire electrocardiographic R-waves from the plurality of electrodes 10-16 electrocardiogram measuring means for measuring electrocardiographic R-waves of the electrocardiographic signals of the subject a polarity detecting means for finding the polarity of the electrocardiographic R-waves when myoelectric noise is not present in the electrocardiographic signals correlation value detecting means for finding correlation values of the elctrocradiographic signals according to the combinations of the electrodes 10-16 within the electrode array 18 when myoelectric noise is present in the electrocardiographic signals and addition/subtraction processing determining means for determining a combination of electrocardiographic signals and the addition/subtraction process from the polarity of the electrocrdiographic R-waves and the correlation values.COPYRIGHT: (C)2012,JPO&INPIT【課題】心電信号の計測に関し、特に筋電ノイズが乗った場合にも安定して心電信号が検出できる生体情報取得装置を提供する。【解決手段】生体情報取得装置は、被検体に接触する複数の電極10~16を備える電極アレイ18と、被検体の心電信号の心電R波を計測し、複数の電極10~16から心電R波が取れる複数の電極組合せを特定する心電特定手段と、被検体の心電信号の心電R波を計測する心電計測手段と、心電信号の筋電ノイズのないときの心電R波の極性を求める極性検出手段と、心電信号の筋電ノイズがあるときの電極アレイ18内の電極10~16の組合せによる心電信号の相関値を求める相関値検出手段と、心電R波の極性と相関値とから心電信号の組合せ及びその加減算処理を決定する加減算処理決定手段と、を含む。【選択図】図1
