ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,420, issued on March 24, was assigned to QUALCOMM Inc. (San Diego).
"Audio switch with turn-off helper for digital interface" was invented by Dongyang Tang (San Diego), Ramkumar Sivakumar (San Diego) and Khaled Mahmoud Abdelfattah Aly (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit is provided with a terminal that functions to pass a data signal during a high-speed data mode of operation and to pass an audio signal during an audio mode of operation. The integrated circuit includes an audio source that couples to the terminal through an audio pass transistor during the audio mode of operation. To maintain the aud...