Altitude/temperature compensation for a gas-filled weight sensor

Details Altitude/temperature compensation for a gas-filled weight sensor Altitude/temperature compensation for a gas-filled weight sensor

1998-01-07

2000-06-20

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

180273, 177208, B60R 2132

Patent

active

060768533

ABSTRACT:
A plurality of pneumatic hydrostatic weight sensors, each incorporating a fluid and a pressure sensor for sensing the pressure thereof, are incorporated in series with the load path within a vehicle seat to sense occupant weight. A signal processor measures the pressure within each pneumatic hydrostatic weight sensor and the weight of the occupant from the signal generated by the associated pressure sensor, and compensates for the effects of ambient pressure or temperature on the weight measurement responsive to the difference in pressure between the associated pressures of two of the pneumatic hydrostatic weight sensors.

REFERENCES:
patent: 3992946 (1976-11-01), Bradley
patent: 4219090 (1980-08-01), Dayton
patent: 4957286 (1990-09-01), Persons, II et al.
patent: 4987898 (1991-01-01), Sones
patent: 5117373 (1992-05-01), Huff
patent: 5904219 (1999-05-01), Anahid et al.

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