When the possession it does not do fixed means of the finger and the electrode, the gap of the electrode and the finger happening, while guaranteeing contact state, it measures the living body electric potential which it stabilizes. The electronic equipment which relates to one feature of this disclosure consists of the frame which the user grips with the right hand and the left hand, the user measures each electric potential of the 1st and 2nd finger. The 1st and 2nd finger is the finger of the hand which differs mutually. The electronic equipment, in the position where it contacts the 1st finger was provided, the 1st main electrode, and the 1st electrode group which at least includes one which is provided in the position where it is far from the 1st main electrode 1st auxiliary electrode and, was provided in the position where it contacts the 2nd finger, the 2nd main electrode, and the 2nd electrode group which at least includes one which is provided in the position where it is far from the 2nd main electrode 2nd auxiliary electrode and, value of the electric potential which is measured with the 1st electrode group, and from value of the electric potential which is measured with the 2nd electrode group, it regards the 1st and 2nd each fingerIt has with the output section which offers the information regarding the contact state of the finger in the user on the basis of the biomedical signal processing section and the decision result which decide contact state.指と電極の固定手段を有しない場合、電極と指のずれが起こっても接触状態を確保しながら、安定した生体電位の計測を行う。 本開示の一態様に係る電子機器は、ユーザが右手及び左手で把持する筐体で構成され、ユーザの第1および第2の指の各電位を計測する。第1および第2の指は互いに異なる手の指である。電子機器は、第1の指に接触する位置に設けられた、第1主電極、および第1主電極から離れた位置に設けられた少なくとも1つの第1補助電極を含む第1電極群と、第2の指に接触する位置に設けられた、第2主電極、および第2主電極から離れた位置に設けられた少なくとも1つの第2補助電極を含む第2電極群と、第1電極群で計測される電位の値、および第2電極群で計測される電位の値から、第1および第2の各指に関する接触状態を判定する生体信号処理部と、判定結果に基づいて、ユーザに指の接触状態に関する情報を提供する出力部とを備えている。
