Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Reexamination Certificate
2006-06-27
2006-06-27
Williams, Hezron (Department: 2856)
Measuring and testing
Vibration
Resonance, frequency, or amplitude study
C073S597000, C073S602000, C073S644000
Reexamination Certificate
active
07066027
ABSTRACT:
A method and apparatus of determining the thickness of a lubricant film disposed between two bodies by measuring and performing a frequency spectrum analysis on a reflected or transmitted part of an ultrasound wave propagated towards said film is disclosed.
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Donohoe Cornelius Joseph
Drinkwater Bruce Walton
Dwyer-Joyce Robert Sean
Saint-Surin Jacques M
University of Bristol
University of Sheffield
Williams Hezron
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