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:
Mar. 31, 2020
Filed:
May. 01, 2018
Qualcomm Incorporated, San Diego, CA (US);
Anand Prabhakar Satpute, Bangalore, IN;
Sandeep Kanakapura Lakshmikantha, Bangalore, IN;
Tushit Jain, Marathahalli, IN;
Gwendolyn Denise Barriac, Encinitas, CA (US);
Ajit Venkat Rao, Bangalore, IN;
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Methods, systems, and devices for frequency synchronization and phase correction at a rendering device are described. One method may include receiving, from a display device (e.g., a head-mounted display (HMD) device), a vertical sync count and an indication of one or more frame repeats. The rendering device may estimate a vertical sync frequency based on the received vertical sync count, and determine a phase corresponding to a minimum frame repeat based on the indication of the one or more frame repeats. The rendering device may adjust a vertical sync frequency to the estimated vertical sync frequency and a phase to the determined phase. The rendering device may transmit one or more frames to the display device using the adjusted frequency and/or the adjusted phase.