The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2023
Filed:
Dec. 17, 2021
Varjo Technologies Oy, Helsinki, FI;
Ari Antti Erik Peuhkurinen, Helsinki, FI;
Evgeny Zuev, Helsinki, FI;
Varjo Technologies Oy, Helsinki, FI;
Abstract
A display apparatus including: light source(s); gaze-tracking means; and processor(s) configured to: determine gaze directions of user's eyes; send, to rendering server, information indicative of gaze direction determined at first time instant; receive image frame(s) generated according to gaze, and being optionally timestamped with second time instant; display image frame(s) at third time instant; determine time lag between any one of: first time instant and third time instant, or second time instant and third time instant; detect whether or not time lag exceeds first predefined threshold; when time lag exceeds first predefined threshold, switch on gaze-lock mode; select forward line of vision as fixed gaze direction; send, to rendering server, information indicative of fixed gaze; and receive image frames generated according to fixed gaze; and display image frames.