# Tobii AB — Patents explained on PatentBrief

Tobii AB has 1 landmark patent explained in plain English on PatentBrief.

- [How Eye Trackers Detect Eyelid Movements and Blinks](https://patentbrief.org/patent/us/20230004223/eye-tracking-system)
  This patent describes a method for eye tracking systems to precisely detect eyelid movements and blinks by comparing a current eye image to a reference image, then analyzing the differences in rows of pixels.

**Full profile:** https://patentbrief.org/company/tobii-ab

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._