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SEATBELT DEVICE

  • US 20080185831A1
  • Filed: 02/05/2008
  • Published: 08/07/2008
  • Est. Priority Date: 02/07/2007
  • Status: Active Grant
First Claim
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1. 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.

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