US 12,143,763 B2
Earphones
Lei Zhang, Shenzhen (CN); Peigeng Tong, Shenzhen (CN); Guolin Xie, Shenzhen (CN); Yongjian Li, Shenzhen (CN); Jiang Xu, Shenzhen (CN); Tao Zhao, Shenzhen (CN); Duoduo Wu, Shenzhen (CN); Ao Ji, 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. 7, 2024, as Appl. No. 18/406,195.
Application 18/406,195 is a continuation of application No. 18/451,138, filed on Aug. 17, 2023, granted, now 11,895,454.
Application 18/451,138 is a continuation of application No. PCT/CN2023/083535, filed on Mar. 24, 2023.
Claims priority of application No. 202211336918.4 (CN), filed on Oct. 28, 2022; application No. 202223239628.6 (CN), filed on Dec. 1, 2022; and application No. PCT/CN2022/144339 (WO), filed on Dec. 30, 2022.
Prior Publication US 2024/0147116 A1, May 2, 2024
Int. Cl. H04R 1/10 (2006.01)
CPC H04R 1/1016 (2013.01) 20 Claims
OG exemplary drawing
 
1. An earphone, comprising:
a sound generation portion, including a transducer and a housing for accommodating the transducer; and
an earhook including a first portion and a second portion, wherein
the first portion is hung between an auricle and the head of a user,
the second portion is connected to the first portion, extends toward an anterolateral side of the auricle, and is connected to the sound generation portion,
the sound generation portion is fixed near an ear canal without blocking an opening of the ear canal, and
in at least one frequency range, a sound generation efficiency of the sound generation portion is not small than 100 dB/V, the sound generation efficiency of the sound generation portion being a ratio of the sound pressure provided by the sound generation portion to the ear canal to an input voltage of the transducer.