US 11,856,351 B2
Open earphone
Lei Zhang, Shenzhen (CN); Junjiang Fu, Shenzhen (CN); Bingyan Yan, Shenzhen (CN); Fengyun Liao, 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 Apr. 30, 2022, as Appl. No. 17/661,550.
Application 17/661,550 is a continuation of application No. 17/169,589, filed on Feb. 8, 2021, granted, now 11,356,763.
Application 17/169,589 is a continuation of application No. 17/129,733, filed on Dec. 21, 2020, granted, now 11,425,481.
Application 17/129,733 is a continuation of application No. PCT/CN2020/088482, filed on Apr. 30, 2020.
Claims priority of application No. 201910364346.2 (CN), filed on Apr. 30, 2019; application No. 201910888067.6 (CN), filed on Sep. 19, 2019; and application No. 201910888762.2 (CN), filed on Sep. 19, 2019.
Prior Publication US 2022/0264212 A1, Aug. 18, 2022
Int. Cl. H04R 1/02 (2006.01); H04R 1/10 (2006.01); H04R 1/26 (2006.01); H04R 1/44 (2006.01); G06F 3/16 (2006.01); H04M 1/03 (2006.01); H04M 1/78 (2006.01); H04R 1/24 (2006.01); H04R 1/28 (2006.01); H04R 3/02 (2006.01); H04R 1/34 (2006.01); H04W 4/80 (2018.01); H04R 1/22 (2006.01); H04R 3/00 (2006.01); H04R 5/02 (2006.01); G10L 21/038 (2013.01); H04R 5/033 (2006.01); H04S 7/00 (2006.01); G02C 11/00 (2006.01); H04R 1/38 (2006.01); H04R 9/06 (2006.01); G10L 21/0208 (2013.01); G02C 11/06 (2006.01); G10L 21/0216 (2013.01)
CPC H04R 1/1016 (2013.01) [G02C 11/00 (2013.01); G02C 11/10 (2013.01); G06F 3/16 (2013.01); G06F 3/162 (2013.01); G06F 3/165 (2013.01); G10L 21/0208 (2013.01); G10L 21/038 (2013.01); H04M 1/03 (2013.01); H04M 1/035 (2013.01); H04M 1/78 (2013.01); H04R 1/02 (2013.01); H04R 1/026 (2013.01); H04R 1/028 (2013.01); H04R 1/10 (2013.01); H04R 1/105 (2013.01); H04R 1/1008 (2013.01); H04R 1/1025 (2013.01); H04R 1/1041 (2013.01); H04R 1/1075 (2013.01); H04R 1/1083 (2013.01); H04R 1/22 (2013.01); H04R 1/24 (2013.01); H04R 1/245 (2013.01); H04R 1/26 (2013.01); H04R 1/28 (2013.01); H04R 1/2803 (2013.01); H04R 1/2807 (2013.01); H04R 1/2811 (2013.01); H04R 1/2896 (2013.01); H04R 1/34 (2013.01); H04R 1/342 (2013.01); H04R 1/345 (2013.01); H04R 1/347 (2013.01); H04R 1/38 (2013.01); H04R 1/44 (2013.01); H04R 3/00 (2013.01); H04R 3/005 (2013.01); H04R 3/02 (2013.01); H04R 5/02 (2013.01); H04R 5/033 (2013.01); H04R 5/0335 (2013.01); H04R 9/06 (2013.01); H04S 7/304 (2013.01); H04W 4/80 (2018.02); G02C 11/06 (2013.01); G10L 2021/02166 (2013.01); H04R 2201/103 (2013.01); H04R 2410/05 (2013.01); H04R 2420/07 (2013.01); H04S 2400/11 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An open earphone, comprising:
a housing, wherein the housing is placed on a head or at least one ear of a user while not blocking an ear canal of the user;
a low-frequency acoustic driver encapsulated in the housing and configured to generate sound within a first frequency range;
a high-frequency acoustic driver encapsulated in the housing and configured to generate sound within a second frequency range, wherein the second frequency range includes a frequency higher than the first frequency range;
two first sound guiding holes configured to emit the sound within the first frequency range; and
two second sound guiding holes configured to emit the sound within the second frequency range, wherein one of the two first sound guiding holes and one of the two second sound guiding holes share a same sound guiding hole.