ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,453, issued on March 25, was assigned to Stryker Corp. (Portage, Mich.).
"Power modulation for powering one or more light sources" was invented by James Kenneth Alexanderson (Coppell, Texas) and Robert Lee York (Lantana, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and methods for powering light sources to reduce optical and/or electrical interference between the light sources and optical components in the same environment. The light sources may be powered using power modulation signals, whose frequency may be varied across modulation periods. Optionally, the frequency may be varied randomly or pseudo randomly. ...