Eye-tracking enabled wearable devices

This invention describes a system for tracking where a user is looking while wearing a device like smart glasses. It works by embedding a tiny light source and an equally tiny camera directly inside the main lens of the glasses. The light source shines a beam into the user's eye, and the camera detects the reflected light, which a small computer then uses to figure out the user's gaze direction.

Why it matters: Filed before significant advancements in transparent electronics and micro-optics made embedding such tiny sensors and light guides directly into a lens more practical. The demand for unobtrusive eye-tracking in consumer AR/VR devices has also grown considerably.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedMiniature optics, custom lens integration, specialized sensors

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