US 11,941,167 B2
Head-mounted VR all-in-one machine
Tao Wu, Beijing (CN)
Assigned to QINGDAO PICO TECHNOLOGY CO., LTD, Qingdao (CN)
Appl. No. 18/037,304
Filed by QINGDAO PICO TECHNOLOGY CO., LTD, Qingdao (CN)
PCT Filed Nov. 4, 2021, PCT No. PCT/CN2021/128629
§ 371(c)(1), (2) Date May 16, 2023,
PCT Pub. No. WO2022/105613, PCT Pub. Date May 27, 2022.
Claims priority of application No. 202011286249.5 (CN), filed on Nov. 17, 2020.
Prior Publication US 2023/0418370 A1, Dec. 28, 2023
Int. Cl. G06F 3/01 (2006.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G06V 40/16 (2022.01)
CPC G06F 3/012 (2013.01) [G02B 27/0093 (2013.01); G02B 27/0101 (2013.01); G02B 27/017 (2013.01); G02B 27/0179 (2013.01); G06F 3/013 (2013.01); G06V 40/174 (2022.01); G02B 2027/0138 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0187 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A head-mounted Virtual Reality (VR) device, comprising: an Inertial Measurement Units (IMU) sensor and a front cover plate, wherein four first tracking cameras are disposed on an outer frame of the front cover plate; two second tracking cameras, one is disposed near user's left eyes on an inner side of the front cover plate and another is disposed near user's right eyes on the inner side of the front cover plate; and a third tracking camera is disposed near user's mouth at a bottom of the front cover plate, wherein
the four first tracking cameras and the IMU sensor constitute a user head six Degree of Freedom (6DoF) tracking module, the two second tracking cameras constitute a user eye tracking module, the two second tracking cameras and the third tracking camera constitute a user facial expression recognition module, and the four first tracking cameras are multiplexed to constitute a user hand recognition and tracking module.