US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Nov. 11 for "Fault detection method for optical switching apparatus, network device, and system" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,291, issued on Nov. 11, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Fault detection method for optical switching apparatus, network device, and system" was invented by Yun Long (Wuhan, China), Zhiwen Chang (Dongguan, China) and Fan Ai (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The technology of this application relates to a fault detection method for an optical switching apparatus, a network device, and a system, to improve accuracy and efficiency of detecting whether the optical switching apparatus is faulty. The method includes sending a probe optical signal to a target path, where the probe optical signal i...