Head mounted eye tracking and display system
US7401920B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2004 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Oct 14, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/19
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for eye tracking that determines the line of sight of a user according to the relative position between the center of the pupil and a reference point, the system including an image detector that captures an image of the eye, a pupil-illuminating light source that illuminates the pupil of the user, a reference light source that illuminates a different portion of the face of the user as a reference point and an imaging processor that analyzes the captured eye image to determine the line of sight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.