Patent ID: 7760070

Claim:
A vehicle security device for deterring unauthorized use of a vehicle by acquiring physical information of a vehicle occupant, the vehicle security device comprising: an information acquisition unit for acquiring physical information about a vehicle occupant; a drive restriction unit, connected to the information acquisition unit, for restricting driving of the vehicle, and the drive restriction unit enabling driving of the vehicle by the vehicle occupant, regardless of whether the vehicle occupant is a person authorized to drive the vehicle, when the physical information acquired by the information acquisition unit is usable; a seating sensor, connected to the drive restriction unit, for detecting seating of a vehicle occupant in a seat; and a buckle sensor, connected to the drive restriction unit, for detecting fastening of a seatbelt by the vehicle occupant, wherein the drive restriction unit activates the information acquisition unit and acquires the physical information when the buckle sensor detects the fastening of the seatbelt after the seating sensor detects the seating of a vehicle occupant.