Patent ID: 11927755
Assignee: TECHNOLOGY INNOVATION MOMENTUM FUND (ISRAEL) LIMITED PARTNERSHIP
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H  A | IPC F  G  H

Claim 17:
18. A visor for gaze tracking comprising at least one optical system including a stack of MS layers coupled to a waveguide (WG), wherein the at least one optical system is visibly transparent, wherein one of the MS layers is configured to couple light in a defined non-visible spectral band, and wherein optical system is configured to direct light to the user's eye from a light source and to direct light reflected from the user's eye to a camera, wherein both the camera and the light source are displaced from a field of view (FOV) of the user, wherein the one MS layer is configured to diffract light in the N-IR band.