Land vehicles – Wheeled – Attachment
Patent
1997-10-01
1999-11-23
Ellis, Christopher P.
Land vehicles
Wheeled
Attachment
280735, 359196, 359291, 180273, 33707, B60R 2132
Patent
active
059886765
ABSTRACT:
An optical weight sensor (16) for use in the crash management system of a motor vehicle's safety restraint system (10). The optical weight sensor (16) functions to determine the weight of an occupant sitting on a vehicle seat (12) and is mounted between the seat frame (42) and mounting structure (46) of the vehicle seat (12). The optical weight sensor (16) includes an imaging assembly (52) retained in an enclosed housing assembly (50). The weight of a seat occupant causes a portion (56) of the housing assembly (50) to deflect the imaging assembly (52) generating a change in a reflection angle caused by such deflection. The imaging assembly (52) includes a light emitting unit (70) which emits a light beam onto a target area (78) on housing portion (56) which is subsequently reflected onto a position sensing unit (76).
REFERENCES:
patent: 5446661 (1995-08-01), Gioutsos et al.
patent: 5598268 (1997-01-01), Kellner
patent: 5709404 (1998-01-01), Brooks
patent: 5785347 (1998-07-01), Adolph et al.
patent: 5871232 (1999-02-01), White
"Sensing Automobile Occupant Position with Optical Triangulation" by Walt Chapelle and Ed Gillis, pp. 18-22, Sensors, Dec. 1995.
Lotito James C.
Marker, deceased Ronald A.
Owen Matthew W.
Breed Automotive Technology Inc.
Ellis Christopher P.
Seitzman Markell
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