ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,217, issued on Sept. 9, was assigned to Hologic Inc. (Marlborough, Mass.).

"Systems and methods for adaptively controlling filament current in an X-ray tube" was invented by Guoyun Ru (Farmington, Conn.), David Aizer (Danbury, Conn.), J. Austin Fraley (Danbury, Conn.) and Edward Nonnweiler (Brookfield, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of adaptively controlling filament current in an x-ray tube of an imaging system include the x-ray tube having a filament being calibrated. Calibration data from the calibration of the x-ray tube is stored at the imaging system, the calibration data including a filament current ...