Patent · US Active

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 dateJun 25, 2013
Grant dateMar 12, 2019
Priority date
Expiry dateFeb 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.