ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,639, issued on July 14, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).

"Antenna switch for time division duplexing and frequency division duplexing" was invented by Joshua Haeseok Cho (Irvine, Calif.), Stephane Richard Marie Wloczysiak (Irvine, Calif.), Thomas Obkircher (Santa Ana, Calif.), Junhyung Lee (Irvine, Calif.), Rimal Deep Singh (Irvine, Calif.) and Bipul Agarwal (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Radio frequency front end modules implementing coexisting time division duplexing and frequency division duplexing are provided. In one aspect, a front end system includes a time-division duplexing transmit t...