US Patent Issued to Chunghwa Telecom on Nov. 3 for "Bidirectional wavelength access system" (Taiwanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,839, issued on Nov. 3, was assigned to Chunghwa Telecom Co. Ltd. (Taoyuan City, Taiwan).

"Bidirectional wavelength access system" was invented by Che-Hung Cho (Taoyuan City, Taiwan) and Chin-Cheng Hu (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional wavelength access system includes a bidirectional wavelength access device. The bidirectional wavelength access device includes an optical circulator and a wavelength division filter group. The optical circulator includes a first port, a second port, and a third port. The wavelength division filter group is connected to a main axis optical cable. The wavelength division ...