ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,604, issued on Oct. 21, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Loudspeaker and electronic device" was invented by Wenguang Chen (Dongguan, China), Mingguang Guo (Dongguan, China) and Ling Tao (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application relate to the field of electronic device technologies, and in particular, to a loudspeaker and an electronic device. Embodiments of this application are provided to resolve a technical problem of insufficient sensitivity of a loudspeaker caused by a small electromagnetic driving force that drives a voice coil to vibrate. According to a loudspeaker and an ...