Patent attributes
An anti-drunk driving apparatus for a vehicle including: an alcohol drinking determination device which determines whether or not a first person seated in a driver's seat is drunk; a driving restriction device which restricts driving of the vehicle in a case where it is determined that the first person seated in the driver's seat is drunk by the alcohol drinking determination device; a driving intention presumption device which presumes whether or not a second person seated in the driver's seat has an intention to drive; a photograph device which photographs the faces of the first and second persons; and a person identification device which determines whether or not the first and second persons are the same by comparing their faces in images, wherein if it is determined that the first and the second persons are not the same, the driving restriction device restricts driving of the vehicle.