Method and apparatus for sensing seat occupancy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 16, 2006
Grant Date -
Oct 23, 2003
app pub date -
Apr 16, 2003
filing date -
Apr 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus for identifying and categorizing the weight and characteristics of the occupant currently occupying a vehicle seat. The method for identifying and categorizing the occupant or object involves measuring the deflection of the upper surface of the seat cushion at one or more points due to compression of the cushion produced by the weight distribution of the occupant. The system contains multiple sensor/emitter pairs for detecting the deflection. The system also includes a sensor to measure ambient temperature, preferably for temperature compensation due to the effects extreme temperatures may have on the compression properties of the seat cushion material and sensor/emitter pairs. A system processor interprets the data acquired by the sensors, and utilizes an algorithm and training tables to output a control signal indicative of the categorization of the occupant or object.
First Claim
Family
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Cited Art Landscape
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