US 12,238,470 B2
Earphone without covering an ear canal
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 Jun. 19, 2023, as Appl. No. 18/337,424.
Application 18/337,424 is a continuation of application No. 17/320,253, filed on May 14, 2021, granted, now 11,689,837.
Application 17/320,253 is a continuation of application No. PCT/CN2020/070539, filed on Jan. 6, 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 2023/0336902 A1, Oct. 19, 2023
Int. Cl. H04R 1/10 (2006.01); G02C 11/00 (2006.01); G06F 3/16 (2006.01); G10L 21/0208 (2013.01); G10L 21/038 (2013.01); H04M 1/03 (2006.01); H04M 1/78 (2006.01); H04R 1/02 (2006.01); H04R 1/22 (2006.01); H04R 1/24 (2006.01); H04R 1/26 (2006.01); H04R 1/28 (2006.01); H04R 1/34 (2006.01); H04R 1/38 (2006.01); H04R 1/44 (2006.01); H04R 3/00 (2006.01); H04R 3/02 (2006.01); H04R 5/02 (2006.01); H04R 5/033 (2006.01); H04R 9/06 (2006.01); H04S 7/00 (2006.01); H04W 4/80 (2018.01); 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 1/1008 (2013.01); H04R 1/1025 (2013.01); H04R 1/1041 (2013.01); H04R 1/105 (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)] 17 Claims
OG exemplary drawing
 
1. An open binaural earphone, comprising:
a housing configured to accommodate a transducer, wherein the housing matches a user's auricle and is hung on the user's ear such that the open binaural earphone can be placed on the user's ear without blocking the user's ear canal; wherein
the transducer is configured to output sounds from at least two sound guiding holes disposed on the housing, wherein a first sound guiding hole of the at least two sound guiding holes is closer to the user's ear canal than a second sound guiding hole of the at least two sound guiding holes, and a distance between the first sound guiding hole and the second sound guiding hole is not greater than 12 mm,
wherein a first aperture of the first sound guiding hole is greater than a second aperture of the second sound guiding hole, and
an aperture ratio of the first aperture of the first sound guiding hole to the second aperture of the second sound guiding hole is not less than 5.