PROBLEM TO BE SOLVED: To provide a heartbeat and respiration measuring apparatus which accurately measures heartbeat and respiration without being affected by vibrations matching circumferential environments.SOLUTION: The heartbeat and respiration measuring apparatus includes a sensor section 1 having a plurality of first sensor elements 10 generating charges according to vibrations matching heartbeat and respiration or the like of a sleeping person and arranged between a bed stand A and a mattress B in the width direction of the mattress B, a plurality of first converting sections 20 converting and outputting charges generated by each first sensor element 10 into electric signals, a noise calculating section 3 calculating an average of outputs of frequency band acquired by excluding heartbeat frequency band from the output signals of each first converting section 20 and an average of outputs of frequency band acquired by excluding respiration frequency band from the output signals of each first converting section, a noise subtracting section 4 subtracting the averages acquired at the noise calculating section 3 from the output signals of each first converting section 20 and outputting the result individually, and a measurement section 5 extracting components of the heartbeat frequency band and vibration components of the respiration frequency band from a signal with the largest output among output signals of the noise subtracting section 4.COPYRIGHT: (C)2010,JPO&INPIT【課題】周囲環境に応じた振動を受け難く且つ正確に心拍及び呼吸を計測することのできる心拍呼吸計測装置を提供する。【解決手段】ベッド台AとマットレスBとの間に配設されて就寝者の心拍及び呼吸等に起因する振動に応じて電荷を発生する複数の第1のセンサ素子10をマットレスBの幅方向に沿って並設したセンサ部1と、各第1のセンサ素子10で発生した電荷をそれぞれ電気信号に変換して出力する複数の第1の変換部20と、各第1の変換部20の出力信号のうち心拍の周波数帯域及び呼吸の周波数帯域を除いた周波数帯域の出力の平均値をそれぞれ算出するノイズ算出部3と、各第1の変換部20の出力信号からノイズ算出部3で得られた平均値をそれぞれ減算して個別に出力するノイズ減算部4と、ノイズ減算部4の出力信号のうち最も出力が大きい信号から心拍の周波数帯域の成分及び呼吸の周波数帯域の振動成分を抽出する計測部5とを備えた。【選択図】図1
