US 12,395,796 B2
Loudspeaker apparatus
Chaowu Li, Shenzhen (CN); Yongjian Li, Shenzhen (CN); and Yueqiang Wang, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Apr. 22, 2024, as Appl. No. 18/642,762.
Application 18/642,762 is a continuation of application No. 17/646,483, filed on Dec. 30, 2021, granted, now 12,108,234.
Application 17/646,483 is a continuation of application No. 17/098,342, filed on Nov. 14, 2020, granted, now 11,272,292, issued on Mar. 8, 2022.
Application 17/098,342 is a continuation of application No. PCT/CN2019/102410, filed on Aug. 24, 2019.
Claims priority of application No. 201910009874.6 (CN), filed on Jan. 5, 2019.
Prior Publication US 2024/0276154 A1, Aug. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 1/10 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01); H04R 25/00 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 1/1008 (2013.01); H04R 1/1025 (2013.01); H04R 1/105 (2013.01); H04R 1/1091 (2013.01); H04R 9/02 (2013.01); H04R 9/025 (2013.01); H04R 25/65 (2013.01); H04R 25/658 (2013.01); H04R 2225/021 (2013.01); H04R 2400/11 (2013.01); H04R 2460/13 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A loudspeaker apparatus, comprising:
an ear hook including an elastic metal wire and a plug end disposed at one end of the elastic metal wire; and
a housing of an earphone core configured to accommodate the earphone core, the housing of the earphone core and the plug end being fixed plugged; wherein
the plug end includes an insertion portion,
the housing of the earphone core is disposed with a socket hole communicating with an outer end surface of the housing of the earphone core,
the insertion portion is at least partially inserted into the socket hole,
the ear hook further includes a protective sleeve disposed on a periphery of the elastic metal wire and the plug end,
an end face of the protective sleeve facing the housing of the earphone core side elastically abuts the outer end surface of the housing of the earphone core when the housing of the earphone core and the plug end are fixed plugged.