ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,622, issued on June 24, was assigned to FUJIFILM Corp. (Tokyo).
"Light irradiating device and sensor" was invented by Hiroshi Sato (Minamiashigara, Japan), Katsumi Sasata (Minamiashigara, Japan) and Yukito Saitoh (Minamiashigara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a small-sized light irradiating device having a simple configuration that projects an optical pattern. The light irradiating device includes a light source and a liquid crystal hologram element, in which the liquid crystal hologram element diffracts transmitted light in a plurality of different directions, the liquid crystal hologram element includes a liquid ...