Structured lighting detection of vehicle occupant type and position
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United States of America Patent
Stats
-
Aug 24, 2004
Grant Date -
Jun 10, 2004
app pub date -
Mar 22, 2002
filing date -
Mar 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus (12) for determining the location of a vehicle occupant (20) in a vehicle interior includes a light source (40) for projecting at least one structured light beam (42) onto an area of interest (44) to form a light pattern on the area of interest. A beam divergence control device (50) alters the apparent location of the light source (40) with respect to the area of interest (44). An imager (60) detects the light reflected from the area of interest (44). A characteristic of the reflected light is measured, and the distance between the imager (60) and the area of interest (44) is measured, based on the measured characteristic of the reflected light.
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Cited Art Landscape
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