ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,466, issued on May 27, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).
"Spectroscopic unit and spectroscopic module" was invented by Kei Tabata (Hamamatsu, Japan) and Masaaki Muto (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spectroscopic unit includes a housing, a light incident portion provided in the housing, a Fabry-Perot interference filter arranged in the housing and having a first mirror and a second mirror, a distance between the first mirror and the second mirror being variable. The light incident portion includes an aperture portion in which an aperture is formed and a band pass filter arranged between th...