ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,761, issued on June 3, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).
"Electronic device with sound guiding channel" was invented by Guozhu Jiang (Dongguan, China) and Wei Li (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device is provided. The electronic device includes a device body, a first sound-emitting component, and a second sound-emitting component. the first sound-emitting component and the second sound-emitting component are both disposed in the device body. The first sound-emitting component emits a first ultrasonic wave The second sound-emitting component emits a second ultrasonic wav...