US 12,292,573 B2
Focal length adjustment method, device, apparatus and computer readable storage medium for AR glasses
Qingkai Zhang, Shandong (CN); Pingping Wang, Shandong (CN); Jinjie Zhang, Shandong (CN); and Lihua Lu, Shandong (CN)
Assigned to GOERTEK INC., Weifang (CN)
Appl. No. 18/552,204
Filed by GOERTEK INC., Shandong (CN)
PCT Filed Nov. 2, 2021, PCT No. PCT/CN2021/128064
§ 371(c)(1), (2) Date Sep. 25, 2023,
PCT Pub. No. WO2023/040013, PCT Pub. Date Mar. 23, 2023.
Claims priority of application No. 202111083587.3 (CN), filed on Sep. 14, 2021.
Prior Publication US 2024/0053613 A1, Feb. 15, 2024
Int. Cl. G02B 27/01 (2006.01); G06T 19/00 (2011.01); H04N 23/67 (2023.01)
CPC G02B 27/0172 (2013.01) [G06T 19/006 (2013.01); H04N 23/67 (2023.01); G02B 2027/0178 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A focal length adjustment method for AR glasses, wherein the focal length adjustment method for AR glasses is applied to AR glasses, and
wherein the AR glasses comprising a display module and a camera, the focal length adjustment method for AR glasses comprises:
receiving a focal length adjustment command, and displaying a preset circle with a preset reference radius through the display module;
capturing a first image of the preset circle in an eye of a wearer of the AR glasses through the camera to obtain a first captured image, and determining a first imaging radius of the preset circle in the first image according to the first captured image;
determining target diopter of the eye of the wearer according to the preset reference radius and the first imaging radius; and
determining a target deflecting angle of the display module according to the target diopter, and adjusting the display module according to the target deflecting angle.