Inventor
BRODEUR PIERRE H
US4 patents
Patents
4 patentsUS6115127ASep 5, 2000
Non-contact measurements of ultrasonic waves on paper webs using a photorefractive interferometer
PAPER SCIENCE & TECH INST INC31 citations87
US5814730ASep 29, 1998
Material characteristic testing method and apparatus using interferometry to detect ultrasonic signals in a web
PAPER SCIENCE & TECH INST INC36 citations87
US5780744AJul 14, 1998
Out-of-plane ultrasonic velocity measurement
PAPER SCIENCE & TECH INST INC14 citations71
US5493911AFeb 27, 1996
System for measuring the ultrasonic velocity in the thickness direction of moving webs without errors due to delays in the onset of digitization
PAPER SCIENCE & TECH INST INC16 citations71