Patent ID: 11966048
Assignee: APPLE INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A head-mounted device, comprising:
a head-mounted support structure;
a first gaze tracking system having light-emitting devices and having light detectors in the head-mounted support structure, wherein the first gaze tracking system is a non-glint-based gaze tracking system; and
a second gaze tracking system having an image sensor in the head-mounted support structure that measures eye glints, wherein the head-mounted device is configured to operate in a first gaze tracking mode and a second gaze tracking mode, the second gaze tracking system is off and the first gaze tracking system, including the light-emitting devices and the light detectors, is on in the first gaze tracking mode, and the second gaze tracking system is on and the first gaze tracking system is on in the second gaze tracking mode.