Patent ID: 8400083

Claim:
A current detecting device connected to a motor device that includes a motor and a motor drive unit to drive the motor, the current detecting device comprising: a second wire configured and arranged to carry flow of a drive current that is passed through the motor drive unit; a third wire configured and arranged to carry flow of a motor current that has been passed through the motor; a current leveling unit electrically connected to the second wire, the current leveling unit being configured to level the drive current on the second wire; a first wire electrically connected to the current leveling unit, the first wire being configured and arranged to carry flow of the motor current after flowing through the motor and the drive current that has been leveled by the current leveling unit; and a current detecting unit electrically connected to the current leveling unit and the first wire, the current detecting unit being configured to detect a sum of the motor current flowing on the first wire and the drive current that has been leveled flowing on the first wire.