Patent · US Expired

Head mounted eye tracking and display system

US7401920B1 · kind B1 · utility

389Cited by
15References
53Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2004
Grant dateJul 22, 2008
Priority date
Expiry dateOct 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.