US Patent Issued to NEC on July 14 for "Optical transmission device and communication device" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,689, issued on July 14, was assigned to NEC Corp. (Tokyo).

"Optical transmission device and communication device" was invented by Koya Takata (Tokyo), Hisashi Mizumoto (Tokyo) and Fujio Okumura (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A optical transmission device that includes a light source, a spatial light modulator including a modulation part where a plurality of modulation regions that is irradiated with light emitted from the light source is set, a wave plate disposed in an optical path of modulated light that is modulated in each of the modulation regions set in the modulation part of the spatial light modulator, the wa...