US Patent Issued to NEC on Oct. 27 for "Optical module, frequency variation detection method, and non-transitory computer-readable storage medium" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,622, issued on Oct. 27, was assigned to NEC Corp. (Tokyo).

"Optical module, frequency variation detection method, and non-transitory computer-readable storage medium" was invented by Kenji Mizutani (Tokyo) and Masaki Oe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In order to provide an optical module capable of detecting a frequency variation at higher accuracy, an optical module includes a light source that outputs light, a first splitter that splits the light, a band filter that transmits one piece of light split by the first splitter with a periodic frequency characteristic, a transmitted-light detector that detects transmitted-light in...