Light direction detector systems and methods

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United States of America Patent

PATENT NO 11585931
SERIAL NO

17496369

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Abstract

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Intensity of a light from a light array comprising a plurality of light sources configured to illuminate in sequence may be detected at two optically isolated points of a motion tracker device. The optically isolated points may be disposed at a distance from one another such that a variation in intensity of light due to shadowing effects from the plurality of light sources is different at the optically isolated points. The optically isolated points may be separated by a T-shaped wall. The motion tracker device may generate a current signal representing a photodiode differential between the two optically isolated points and proportional to the intensity of the light. The current signal may be used for sensor fusion with an inertial measurement unit.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Remelius, Jebb Pittsfiled, US 4 12

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