ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,479, issued on Sept. 30, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Earphone and mobile terminal" was invented by Xiangao Song (Shenzhen, China), Rongrong Wu (Dongguan, China), Chengxia Ji (Dongguan, China), Yong Zheng (Dongguan, China) and Zhengxue Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An earphone and a mobile terminal is provided, in which the earphone includes a housing and a speaker assembly. The housing internally includes a front cavity and a rear cavity that are separated by the speaker assembly. The front cavity is located on a side that is of the speaker assembly and that is a sound outpu...