US Patent Issued to VIAVI SOLUTIONS on March 18 for "Optical time-domain reflectometer (OTDR) including channel checker" (French Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,682, issued on March 18, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).

"Optical time-domain reflectometer (OTDR) including channel checker" was invented by Vincent Lecoeuche (Tarentaise, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to examples, a channel checker optical time-domain reflectometer (OTDR) may include a laser source to emit a laser beam. An optical switch may be optically connected to the laser source to receive the laser beam and to selectively transmit the laser beam to a circulator that is optically connected to a device under test (DUT). A first coupler may be optically connected to a first photodiode a...