ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,058, issued on Dec. 16, was assigned to VAREX IMAGING Corp. (Salt Lake City).

"Radiation focal spot to port measurement device, system, and method" was invented by Pranit Pol (South Jordan, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and methods for determining a distance between a focal spot and a port of a radiation source are disclosed. A method for determining a distance from a focal spot to a port in an X-ray tube can include attaching a fixture to an X-ray tube, generating X-rays by the X-ray tube, and calculating a distance from a focal spot to a port of the X-ray tube. An X-ray sensitive material on the fixture can ...