Patent ID: 11860371
Assignee: SNAP INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. A method of configuring eyewear, the eyewear having a frame, a see-through display including a display, a transparent cover, a reflective optical element, a light emitter configured to emit a single collimated non-visible light beam in one direction directly toward the reflective optical element of the see-through display spaced from the see-through display, wherein the reflective optical element is configured to reflect and spread the collimated non-visible light beam to a user's eye, the method comprising:
directing, with the light emitter, the single collimated non-visible light beam in the one direction directly toward the reflective optical element of the see-through display spaced from the display through the transparent cover to which the reflective optical element is laminated; and
reflecting and spreading, with the reflective element, the single collimated non-visible light beam over a pupil and iris of a user's eye.