ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,943, issued on June 17, was assigned to NORTHROP GRUMMAN SYSTEMS Corp. (Falls Church, Va.).
"Atomic clock system" was invented by Steven Ryan Jefferts (Chatsworth, Calif.) and Vyacheslav Lebedev (Redondo Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An atomic clock system includes a waveguide cavity that is sealed and comprises a gas enclosed therein. The waveguide cavity has a length that is an integer multiple of approximately one half-wavelength of a resonant frequency of the gas between two states. An oscillator system generates an RF signal through the waveguide cavity. The RF signal has a signal frequency that is approximately e...