As for the identification unit, from the contact electrode of the inside one of the multiple electrodes which are provided in the steering section of the potential difference signal and the device of two contact inter-electrodes which were contacted by the inside operator of the multiple electrodes which are provided in the handle of the vehicle and the electrode which is provided in the said steering section the potential difference signal with another contact electrodes is measured. In addition, as for the identification unit, the contact electrode which was contacted by the hand of the inside operator of the multiple electrodes which are provided in the steering section is identified. In addition, as for the identification unit, with the rotary state of the steering section and difference on left and right of the hand of the operator to whom the said contact electrode contacts the position in the steering section of the contact electrode which is identified on the basis of, is distinguished. In addition, the identification unit, from the potential difference signal which is amplified making use of the amplification factor which is decided on the basis of the distinction result due to the distinction section, identifies the beat of the electrocardio.識別装置は、車両のハンドルに設けられた複数の電極のうち運転者によって接触された2つの接触電極間の電位差信号や、装置の操舵部に設けられた複数の電極のうち1つの接触電極と該操舵部に設けられた電極とは別の接触電極との間の電位差信号を測定する。また、識別装置は、操舵部に設けられた複数の電極のうち運転者の手によって接触された接触電極を識別する。また、識別装置は、操舵部の回転状態と、識別した接触電極の操舵部における位置とに基づいて、該接触電極が接触している運転者の手の左右の別を判別する。また、識別装置は、判別部による判別結果に基づいて決定された増幅率を用いて増幅された電位差信号から、心電の拍を識別する。
