ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,674, issued on Nov. 4, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).
"Audio transmission method and electronic device" was invented by Haikun Xu (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio transmission method and an electronic device are provided. The audio transmission method includes: modulating, when the first electronic device transmits audio to a second electronic device, an audio signal transmitted to the second electronic device into at least two target radio frequency signals; and combining the at least two target radio frequency signals in a first time slot, and outputting a combined radio...