ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,945, issued on Sept. 1, was assigned to EXFO Inc. (Quebec, Canada).
"Visual fault locator (VFL) with variable gain control" was invented by Mario L'Heureux (Levis, Canada) and Michel Leclerc (Quebec City, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and devices for testing for faults in a fiber optic cable are provided. A Visual Fault Locator (VFL), according to one implementation, includes an output port configured for connection with an optical fiber to be tested. The VFL also includes a variable light source configured to emit visible light at different power levels from the output port. For example, the different power...