ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,841, issued on March 25, was assigned to Google LLC (Mountain View, Calif.).
"Passive clock synchronization for timing" was invented by Ian Kenneth Coolidge (San Diego) and Shahin Valoth (Santa Clara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for an architecture for a multi-interface card environment, such as a server that includes multiple network interface cards (NICs) or peripheral component interconnect express (PCIe) cards. The architecture includes a passive optical splitter coupled between a leader clock and the multiple interface cards or PCIes. The optical splitter can be used to distribute clock...