| 摘要 |
<P>PROBLEM TO BE SOLVED: To properly control tension of a belt according to movement of occupant's body. <P>SOLUTION: A motor control part 54 of a seat belt device 1 changes a driving current of a motor 10 into an increasing tendency as a drawing speed calculated by a belt speed calculating part 52 becomes high when a drawing amount of a webbing 5 is detected by a drawing and winding amount detecting part 51 when an acceleration detected by a state amount sensor 67 is a prescribed value or below or changes the driving current of the motor 10 into a decreasing tendency as a winding speed calculated by the belt speed calculating part 52 becomes high when a winding amount of the webbing 5 is detected by the drawing and winding amount detecting part 51 when an acceleration detected by the state amount sensor 67 is a prescribed value or below. <P>COPYRIGHT: (C)2012,JPO&INPIT |
