发明名称 |
Failure diagnostic system for seat belt retractor |
摘要 |
In order to provide a failure diagnostic system for a seat belt retractor which can reliably detect a failure of a motor of the seat belt retractor while the occupant feels no or little discomfort, a system for detecting a failure of a seat belt retractor having a motor (3) for rotating a webbing take-up spool (1) is presented, wherein the motor (3) is energized for a predetermined short period of time and, after stop of energization, induced current or voltage of wire-winding of the motor (3) is detected so as to determine a failure based on the induced current or voltage. <IMAGE> |
申请公布号 |
EP1369320(A3) |
申请公布日期 |
2004.11.10 |
申请号 |
EP20030011145 |
申请日期 |
2003.05.23 |
申请人 |
TAKATA CORPORATION |
发明人 |
AOKI, HIROSHI;KITAZAWA, KENJI |
分类号 |
B60R21/01;B60R22/44;B60R22/46;B60R22/48;G01R31/34 |
主分类号 |
B60R21/01 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|