ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,300, issued on Nov. 18, was assigned to Evident Canada Inc. (Quebec, Canada).
"Lift-off compensated eddy current system" was invented by Remi Leclerc (Quebec City) and Benoit Lepage (L'Ancienne-Lorette, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for compensating the sensitivity variations induced by lift-off variations for an eddy current array probe. The techniques use the eddy current array probe coils in two separate ways to produce a first set of detection channels and a second set of lift-off measurement channels without the need to add coils 5 dedicated to the lift-off measurement operation."
The patent was filed on Jan....