US 12,170,848 B2
High accuracy displacement device
Nick Donaldson, Plantation, FL (US); Changxin Yan, Santa Clara, CA (US); Ankur Gupta, San Francisco, CA (US); and Vikram Chauhan, San Diego, CA (US)
Assigned to Magic Leap, Inc., Plantation, FL (US)
Appl. No. 17/996,332
Filed by Magic Leap, Inc., Plantation, FL (US)
PCT Filed Apr. 16, 2021, PCT No. PCT/US2021/027752
§ 371(c)(1), (2) Date Oct. 14, 2022,
PCT Pub. No. WO2021/212016, PCT Pub. Date Oct. 21, 2021.
Claims priority of provisional application 63/011,106, filed on Apr. 16, 2020.
Prior Publication US 2023/0224591 A1, Jul. 13, 2023
Int. Cl. H04N 23/695 (2023.01); G03B 17/56 (2021.01)
CPC H04N 23/695 (2023.01) [G03B 17/561 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A device for adjusting a position of a camera, the device comprising:
a threaded shaft having a first end and a second end and a shaft axis extending therebetween;
a motor that actuates the threaded shaft to move in a direction of the shaft axis, the motor being operatively coupled to the threaded shaft;
a carriage coupled to the camera;
a linear bearing coupled to the carriage; and
a bearing assembly coupled to the threaded shaft and the carriage, the bearing assembly comprising a first bearing and a second bearing attaching the threaded shaft to the linear bearing thereby enabling rotation of the carriage, the bearing assembly permitting a movement of the carriage with respect to the threaded shaft,
wherein the movement of the carriage allows the position of the camera to be adjusted.