PROBLEM TO BE SOLVED: To provide a device capable of measuring a variation in distance between an electrode and a person, a contact state caused by the persons motion, or the like concurrently with biological information measurement using the electrode.SOLUTION: A biological information measurement device comprises: three biological signal measurement electrodes 01 composed of a first electrode 02 and second electrode 03 that make a pair of differential electrodes provided on a person through an insulator or directly on the persons skin, and a third electrode 04 that is an electrode for inducing intermediate potential a transmission electrode for transmitting a signal to the persons living body as means for communication through the living body measurement means for detecting, as an electrocardiographic signal, potential between the pair of differential electrodes taking induced potential at the intermediate electrode as a reference, and means for detecting a signal of the transmission electrode received from the first electrode and second electrode through the living body and transmission wave generation means for generating a transmission signal to be induced at the transmission electrode.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】電極による生体情報計測を行うと同時に、人の動きによって発生する接触状態または電極と人との距離変化などを計測できる装置を提供する。【解決手段】人と絶縁物を介して、または人の皮膚に直接設置される、一対の差動電極である、第1の電極02、第2の電極03及び、中間電位を誘起する電極である第3の電極04からなる3つの生体信号測定用電極01と、人の生体を介した通信手段として生体に信号を送信する送信電極と、中間電極の誘起電位を基準として、一対の差動電極間の電位を心電信号として検知する計測手段と第1の電極と第2の電極から生体を介して受信した送信電極の信号を検知する手段と、送信電極に誘起させる送信信号を発生する送信波発生手段とを備えることを特徴とする生体情報計測装置。【選択図】図1
