System and method for detecting whether seat belt is worn

Details System and method for detecting whether seat belt is worn System and method for detecting whether seat belt is worn

2007-12-28

2010-11-02

Lee, Benjamin C (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S457000, C180S268000, C280S807000

Reexamination Certificate

active

07825789

ABSTRACT:
A system and method of detecting whether a seat belt is worn is disclosed. The system includes a contact type sensor and a non-contact type sensor installed in a seat belt buckle. A Body Control Module (BCM) receives a signal from the contact type sensor and transmitting the signal to a cluster. An airbag control unit receives a signal from the non-contact type sensor. The seat belt control unit determines whether a seat belt is worn using a signal received from the cluster when an ignition key is off, and determines whether the seat belt is worn using a signal received from the airbag control unit when the ignition key is on.

REFERENCES:
patent: 6498562 (2002-12-01), Yano
patent: 6907646 (2005-06-01), Lee et al.
patent: 2002/0042561 (2002-04-01), Schulman et al.
patent: 2005/0012605 (2005-01-01), Ohtomo et al.
patent: 2006/0157968 (2006-07-01), Kitazawa

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