ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,278, issued on May 27, was assigned to Apple Inc. (Cupertino, Calif.).
"Electronic devices with low phase noise frequency generation" was invented by Zdravko Boos (Munich), Bertram R Gunzelmann (Koenigsbrunn, Germany), Nedim Muharemovic (Nuremberg, Germany), Ramin Khayatzadeh (Munich) and Tomas Sarmiento (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include clocking circuitry with primary and secondary lasers that generate first and second optical local oscillator (LO) signals. A phase-locked loop (PLL) may tune the secondary laser based to phase lock the first and second optical LO signals. A self-in...