ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,863, issued on April 14, was assigned to CANON K.K. (Tokyo).
"Optical system and optical apparatus having the same" was invented by Tsubasa Nakamura (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes a diffusion element configured to diffuse an incident light beam at a diffusion point and to emit diffused light, and an imaging element configured to form an image of the diffusion point. Peak intensities in a diffusion angle distribution characteristic of the diffused light are discrete. A predetermined condition is satisfied."
The patent was filed on July 24, 2023, under Application No. 18/357,238.
*For furth...