US 12,452,616 B2
Systems for bone conduction speaker
Fengyun Liao, Shenzhen (CN); Jinbo Zheng, Shenzhen (CN); Qian Chen, Shenzhen (CN); Hao Chen, Shenzhen (CN); and Xin Qi, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Jan. 17, 2025, as Appl. No. 19/026,717.
Application 19/026,717 is a continuation of application No. 18/737,940, filed on Jun. 7, 2024.
Application 18/737,940 is a continuation of application No. 17/658,824, filed on Apr. 12, 2022, granted, now 12,156,000, issued on Nov. 26, 2024.
Application 17/658,824 is a continuation of application No. 17/169,583, filed on Feb. 8, 2021, granted, now 11,343,625, issued on May 24, 2022.
Application 17/169,583 is a continuation of application No. 16/833,839, filed on Mar. 30, 2020, granted, now 11,399,245, issued on Jul. 26, 2022.
Application 16/833,839 is a continuation of application No. 15/752,452, granted, now 10,609,496, issued on Mar. 31, 2020, previously published as PCT/CN2015/086907, filed on Aug. 13, 2015.
Prior Publication US 2025/0159420 A1, May 15, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 25/00 (2006.01); H04R 9/06 (2006.01)
CPC H04R 25/606 (2013.01) [H04R 9/06 (2013.01); H04R 9/066 (2013.01); H04R 2460/13 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A bone conduction speaker, comprising:
a vibration unit and a headset bracket, wherein:
the vibration unit includes a surface contacting with and transferring vibrations to a user, the headset bracket providing a force between the contact surface and the user, the force between the contact surface and the user being larger than 0.3 N and smaller than 1.5 N.