ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,236, issued on Sept. 9, was assigned to NEC Corp. (Tokyo).
"Atomic oscillator, control method, and control apparatus" was invented by Takahiro Fujisaku (Tokyo), Kenta Matsumoto (Tokyo) and Sota Kagami (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An atomic oscillator of the present disclosure includes: two gas cells with alkali metal atoms encapsulated in, respectively; a light generator that irradiates each of the two gas cells with an irradiation light having at least two different frequency components; a light detector that detects transmitted lights transmitted by the two gas cells, respectively; and a controller that determines resonan...