US 12,461,392 B2
Smart head-mounted device
Tongyan Xu, Weifang (CN); and Chengxiang Zhai, Weifang (CN)
Assigned to Goertek Inc., Shandong (CN)
Appl. No. 17/635,136
Filed by Goertek Inc., Shandong (CN)
PCT Filed Dec. 26, 2019, PCT No. PCT/CN2019/128555
§ 371(c)(1), (2) Date Feb. 14, 2022,
PCT Pub. No. WO2021/027229, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 201910750650.0 (CN), filed on Aug. 14, 2019.
Prior Publication US 2022/0326550 A1, Oct. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G02C 11/00 (2006.01); A61F 9/02 (2006.01); G02B 27/00 (2006.01); G02C 5/14 (2006.01); G02C 7/02 (2006.01); H04R 1/02 (2006.01); H04R 1/10 (2006.01)
CPC G02C 11/10 (2013.01) [H04R 1/02 (2013.01); H04R 1/1058 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A smart head-mounted device, comprising:
at least one lens and at least one arm, wherein the arm is connected to the lens and has a cavity therein;
a sound production apparatus provided inside the cavity and dividing the cavity into a front acoustic cavity and a back acoustic cavity;
a sound outlet provided on the arm and being in communication with the front acoustic cavity; and
a main sound leakage hole provided on the arm and being in communication with the back acoustic cavity,
wherein the main sound leakage hole is configured on the arm in such that a distance between the main sound leakage hole and an ear hole of a wearer of the smart head-mounted device is greater than a distance between the sound outlet and the ear hole of the wearer,
wherein the sound outlet is located on a bottom surface of the arm, and the main sound leakage hole is located on a lateral surface or a top surface of the arm, and
wherein the arm is further provided with an auxiliary sound leakage hole thereon, and the auxiliary sound leakage hole is in communication with the back acoustic cavity and located on a bottom surface or a lateral surface of the arm.