ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,379, issued on June 10, was assigned to ANRITSU Corp. (Kanagawa, Japan).

"Event detection device and event detection method" was invented by Ryota Takasu (Kanagawa, Japan) and Taichi Murakami (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present disclosure is to improve an SN ratio while maintaining a distance resolution and to accurately detect an event occurrence location. An event detection device according to the present disclosure includes: an OTDR waveform acquisition unit that acquires an OTDR waveform of an optical fiber to be measured; a feature quantity extraction unit that performs wavelet transform on t...