ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,835, issued on Aug. 4, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).
"Light source device having ring-like blocking portion" was invented by Koichiro Furuta (Toyko, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source device includes: a first and second light sources respectively emitting a first and second light beams spectra of which are different from each other; an element guiding the first and second light beams to a common optical path; a first and second sensors respectively detecting light quantities of the first and second light beams; and a controller controlling, on the basis of the detected light quantities, the li...