Patent ID: 7641237

Claim:
A seatbelt device comprising: a webbing that restrains an occupant seated in a seat of a vehicle; a belt reel that winds the webbing; a motor that transmits a drive force to the belt reel to wind the webbing; a current wound position detection unit that detects a current wound position of the belt reel to transmit a current wound position detection signal; a driving state detection unit that detects a driving state of the vehicle to transmit a driving state detection signal; a driving state change determination unit that determines a driving state change status based on the driving state detection signal from the driving state detection unit to transmit a driving state change signal; a target wound position setting unit that sets a target wound position of the belt reel based on the current wound position detection signal and the driving state change signal; and a motor control unit that controls a current to be supplied to the motor so as to maintain a state in which the current wound position of the belt reel is equal to the target wound position in accordance with the driving state change signal.