US 12,114,124 B2
Headset
Rongrong Wu, Shanghai (CN); Yong Zheng, Dongguan (CN); Guozhen Ma, Shenzhen (CN); Naotaka Tsunoda, Tokyo (JP); and Xiansheng Li, Hangzhou (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Mar. 28, 2022, as Appl. No. 17/706,487.
Application 17/706,487 is a continuation of application No. PCT/CN2020/117680, filed on Sep. 25, 2020.
Claims priority of application No. 201910939699.0 (CN), filed on Sep. 27, 2019.
Prior Publication US 2022/0225015 A1, Jul. 14, 2022
Int. Cl. H04R 1/10 (2006.01); H04R 1/28 (2006.01); H04R 1/34 (2006.01); H04R 5/033 (2006.01); H04R 25/00 (2006.01)
CPC H04R 1/1083 (2013.01) [H04R 1/1008 (2013.01); H04R 1/1033 (2013.01); H04R 1/105 (2013.01); H04R 1/1075 (2013.01); H04R 1/1016 (2013.01); H04R 1/2826 (2013.01); H04R 1/347 (2013.01); H04R 5/033 (2013.01); H04R 25/60 (2013.01); H04R 2205/022 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A headset receiver:
a housing;
a driver located inside the housing, wherein the driver is configured to: receive an audio signal and to convert the audio signal into a sound wave,
a sound cavity is disposed inside the housing,
wherein:
the sound cavity comprises a front cavity and a rear cavity that are disposed adjacent to each other,
the driver is disposed at a junction between the front cavity and the rear cavity, and the headset receiver further comprises a single multi-port branch pipe having three ports that acoustically connect the front cavity, the rear cavity, and an external environment.