ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,131, issued on March 31, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).
"Light source device, control method, and computer-readable recording medium" was invented by Motoki Tabata (Akishima, Japan) and Yusuke Yabe (Chofu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes: a fluorescent material configured to rotate about a rotation axis, and emit fluorescence upon reception of excitation light; a light source configured to emit the excitation light; an optical filter that is arranged to cover a part of the fluorescent material from a direction along the rotation axis, the optical filter being configured to ...