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TRW Automotive Occupant Vision System First to Meet Federal Safety Regulations

August 3, 2004

TRW Automotive Holdings Corp. announced on July 21 that the occupant sensing vision system developed by its TRW Vehicle Safety Systems Inc. subsidiary now meets the National Highway Traffic Safety Administration's (NHTSA) FMVSS 208 static test requirements for out-of-position occupant sensing.TRW's occupant sensing vision system performs dynamic out-of-position detection by identifying and tracking the position of an occupant's head in the vehicle; airbag deployment will be suppressed if the vision occupant sensor determines that the occupant is in the "keep out" zone with respect to the airbag.The system uses a stereo camera to monitor the vehicle passenger compartment from its mounting location in the overhead console. The camera circumference is roughly the size of a dime and is about 2 inches long. The TRW system is now a production-intent, embedded design using an automotive-grade Digital Signal Processing (DSP) microprocessor. TRW Automotive has development contracts in North America and Asia for its occupant sensing vision system."These are steps in our efforts to have production-ready systems for occupant sensing by the 2007 model year," said Doug P. Campbell, vice president, Engineering for TRW's Occupant Safety Systems business. "While TRW and other suppliers are currently supplying weight-based systems that indirectly infer occupant presence and size, the vision-based system can sense occupants in real-time and can accurately sense out-of-position situations, such as a passenger’s head or other part of the body, in close proximity to an airbag. It can also accurately recognize the size of the passenger or the presence of an infant seat — all key parts of NHTSA's regulations."
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