| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an effective technology for simply and inexpensively achieving a configuration in which a winding operation by a spool of a seat belt for restricting an occupant of a vehicle is performed using an electric motor and the electric motor is controlled based on vehicle body side information. <P>SOLUTION: In a seat belt retractor 1 of a seat belt device 100 mounted in the vehicle, an ECU 20 for controlling a motor for winding the seat belt 3 based on the information detected by an acceleration detection sensor 30 which is constituted as a magnetic sensor is constituted as a control section independent from a drive control section for at least controllably driving an engine running system and an electrical equipment system of the vehicle. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
