PROBLEM TO BE SOLVED: To provide a biological information measurement device allowing for shortening of a time required for measurement of biological information, and allowing for improvement in measurement accuracy.SOLUTION: A biological information measurement device 100 comprises: a left electrode 10 which is arranged on a left position of a steering 200 of a vehicle, and is comprised of two left division electrodes EL1, EL2； a right electrode 20 which is arranged on a right position of the steering 200, and is comprised of two right division electrodes ER1, ER2； a potential difference detection part 30 for detecting a potential difference of the two left division electrodes EL1, EL2； a potential difference detection part 32 for detecting a potential difference of the two right division electrodes ER1, ER2； a potential difference detection part 34 for detecting a potential difference between the left division electrode EL2 and the right division electrode ER2； and a data processing part 40 for calculating biological information of a driver who operates the steering 200 based on respective detection results of the potential difference detection parts 30, 32, 34.SELECTED DRAWING: Figure 1【課題】生体情報の測定に要する時間を短くするとともに測定精度を向上させることができる生体情報測定装置を提供すること。【解決手段】生体情報測定装置１００は、車両のステアリング２００の左位置に配置され、２つの左分割電極ＥＬ１、ＥＬ２によって構成される左電極１０と、ステアリング２００の右位置に配置され、２つの右分割電極ＥＲ１、ＥＲ２によって構成される右電極２０と、２つの左分割電極ＥＬ１、ＥＬ２の電位差を検出する電位差検出部３０と、２つの右分割電極ＥＲ１、ＥＲ２の電位差を検出する電位差検出部３２と、左分割電極ＥＬ２と右分割電極ＥＲ２の電位差を検出する電位差検出部３４と、電位差検出部３０、３２、３４の各検出結果に基づいて、ステアリング２００を操作する運転者の生体情報を算出するデータ処理部４０とを備えている。【選択図】図１
