CPC G06F 3/0362 (2013.01) [G01S 7/4815 (2013.01); G01S 17/08 (2013.01); G06F 3/03547 (2013.01)] | 20 Claims |
1. A system, comprising:
first and second seats;
a knob that is configured to gather user input from a seat occupant located in one of the first and second seats; and
a sensor having a photodetector that is configured to measure hand reflections of infrared light as the knob is gathering the user input from the seat occupant, wherein the sensor is configured to use the measured hand reflections to determine whether the seat occupant is a) in the first seat and not in the second seat or b) is in second seat and not in the first seat.
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