US Patent Issued to 1FINITY on Feb. 24 for "Optical communication device that transmits WDM signal and transmission control method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,832, issued on Feb. 24, was assigned to 1FINITY INC. (Kawasaki, Japan).

"Optical communication device that transmits WDM signal and transmission control method" was invented by Shun Okada (Kawasaki, Japan) and Akio Sugama (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication device processes a WDM signal in a WDM transmission system that uses a first wavelength band a second wavelength band. A wavelength filter extracts a first WDM signal allocated in the first wavelength band a second WDM signal allocated in the second wavelength band from a WDM signal received from first node. An optical signal branched from the fi...