Automotive systems
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United States of America Patent
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Feb 20, 2007
Issued Date -
N/A
app pub date -
Nov 15, 2004
filing date -
Dec 30, 1998
priority date (Note) -
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Abstract
An occupant detection system includes a weight sensor and an electric field sensor, each operatively coupled to a seat. The electric field sensor generates an electric field from at least one electrode in the bottom of the seat, provides for generating a response to an influence of the occupant, and is adapted to discriminate the response of a seated infant or child seating condition from another seating condition. If a measure of weight from the weight sensor is less than a threshold, or if a child seating condition is detected by the electric field sensor, then a signal processor provides for disabling an associated restraint actuator. The electric field sensor may include a plurality of electrodes over first and second regions of differing proximity to a seated infant or child, or at least one electrode in cooperation with a shield or void over at least one of the regions.
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