US 12,069,462 B2
Bone conduction speaker and compound vibration device thereof
Xin Qi, Shenzhen (CN); Fengyun Liao, Shenzhen (CN); Jinbo Zheng, Shenzhen (CN); Qian Chen, Shenzhen (CN); and Hao Chen, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Jul. 18, 2022, as Appl. No. 17/813,324.
Application 17/813,324 is a continuation of application No. 17/170,817, filed on Feb. 8, 2021, granted, now 11,395,072.
Application 17/170,817 is a continuation of application No. 17/161,717, filed on Jan. 29, 2021, granted, now 11,399,234.
Application 17/161,717 is a continuation in part of application No. 16/833,839, filed on Mar. 30, 2020, granted, now 11,399,245.
Application 17/161,717 is a continuation in part of application No. 16/159,070, filed on Oct. 12, 2018, granted, now 10,911,876, issued on Feb. 2, 2021.
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.
Application 16/159,070 is a continuation of application No. 15/197,050, filed on Jun. 29, 2016, granted, now 10,117,026, issued on Oct. 30, 2018.
Application 15/197,050 is a continuation of application No. 14/513,371, filed on Oct. 14, 2014, granted, now 9,402,116, issued on Jul. 26, 2016.
Application 14/513,371 is a continuation of application No. 13/719,754, filed on Dec. 19, 2012, granted, now 8,891,792, issued on Nov. 18, 2014.
Claims priority of application No. 201110438083.9 (CN), filed on Dec. 23, 2011.
Prior Publication US 2022/0360906 A1, Nov. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 9/06 (2006.01); H04R 1/00 (2006.01); H04R 1/10 (2006.01); H04R 9/02 (2006.01); H04R 31/00 (2006.01); H04R 25/00 (2006.01)
CPC H04R 9/063 (2013.01) [H04R 1/00 (2013.01); H04R 1/10 (2013.01); H04R 9/02 (2013.01); H04R 9/025 (2013.01); H04R 9/066 (2013.01); H04R 31/00 (2013.01); H04R 25/606 (2013.01); H04R 2460/13 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vibration device in a speaker, comprising a vibration conductive plate and a vibration board, wherein
the vibration conductive plate is physically connected with the vibration board, the vibration conductive plate and the vibration board having different stiffness coefficients; and
vibrations generated by the vibration conductive plate and the vibration board have at least two resonance peaks, a frequency of at least one of the at least two resonance peaks being catchable with human ears and sounds are generated by the vibrations.