Eye-tracking system using a freeform prism and gaze-detection light
US10228561B2 · kind B2 · utility
5Cited by
22References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2013 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Feb 11, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An example see-through head-mounted display system includes a freeform prism and a display device configured to emit display light through the freeform prism to an eye of a user. The see-through head-mounted display system may also include an imaging device configured to receive gaze-detection light reflected from the eye and directed through the freeform prism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.