ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,368, issued on Aug. 26, was assigned to NORTHROP GRUMMAN SYSTEMS Corp. (Falls Church, Va.).
"Flux-pump DAC with multi-flux quantum injection" was invented by Aaron Christopher Lee (Hyattsville, Md.), Anthony Joseph Przybysz (Linthicum, Md.) and Robert Miller (Hanover, N.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flux-pump digital-to-analog converter (DAC) includes a ring of Josephson transmission line (JTL) stages. The ring includes multiple injector Josephson junctions (JJs). Each of the multiple injector JJs can be individually activated to inject magnetic flux into the ring in a given AC clock cycle, or controllably deactivated so as not...