SCHOWENGERDT, Brian T.,WATSON, Mathew D.,FRANK, Scott,MELVILLE, Charles David
申请号:
EP18772388
公开号:
EP3602178A4
申请日:
2018.03.21
申请国别(地区):
EP
年份:
2020
代理人:
摘要:
An eye tracking system includes a pair of glasses including two frames and a light scanning projector coupled to the pair of glasses and operable to scan a beam of light. The eye tracking system also includes an eyepiece mounted in one of the two frames and optically coupled to the light scanning projector. The eyepiece includes an exit pupil expander operable to direct at least a portion of the beam of light towards an eye of a user. The eye tracking system further includes one or more photodetectors coupled to the pair of glasses and a processor coupled to the light scanning projector and the one or more photodetectors.