Holographic eye imaging device
US12293607B2 · kind B2 · utility
0Cited by
7References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2023 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Jul 19, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2270/55
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An eye tracking device for tracking an eye is described. The eye tracking device comprises: a first diffractive optical element, DOE, arranged in front of the eye, an image module, wherein the image module is configured to capture an image of the eye via the first DOE. The first DOE is adapted to direct a first portion of incident light reflected from the eye, towards the image module. The eye tracking device is characterized in that the first DOE is configured to provide a lens effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.