ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,171, issued on Sept. 23, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Uplink management for true wireless earbuds" was invented by Peter T. Liu (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various arrangements for managing which earbud transmits microphone audio are presented herein. A first earbud of a pair of true wireless earbuds may receive a downstream audio packet addressed to a second earbud of the pair of true wireless earbuds. This first earbud can then transmit a negative acknowledgement indicating that the downstream audio packet was not properly received despite the first earbud having properly received the ...