US Patent Issued to NEC on March 24 for "Fast optical cable identification using acoustic pen" (California, New Jersey Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,276, issued on March 24, was assigned to NEC Corp. (Tokyo).

"Fast optical cable identification using acoustic pen" was invented by Junqiang Hu (Davis, Calif.), Yue-Kai Huang (Princeton, N.J.) and Ting Wang (West Windsor, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fast optical fiber identification system and method employing an acoustic pen that is connected to a portable device (such as a laptop, a smartphone, an iPad). The pen generates acoustic signals under the control of the portable device. The portable device interacts with a DFOS (Distributed Fiber Optic Sensor, e.g., a DAS or DVS) interrogator to notify the interrogator about the...