Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2006-10-17
2006-10-17
Larkin, Daniel S. (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S649000, C073S866500
Reexamination Certificate
active
07121142
ABSTRACT:
An acoustic measurement installation including acoustic measurement instrumentation, in particular an acoustic measurement antenna fitted with at least one microphone; a positioning system for positioning the antenna by ultrasound and including at least one ultrasound emitter mounted on the antenna at a known distance relative to the microphone and an ultrasound receiver base for receiving the signals emitted by each emitter and adapted to determine the position of each emitter; and a control unit for controlling the positioning system for positioning the antenna and the acoustic measurement instrumentation. The control system is adapted during a first stage to cause each emitter to emit in succession in order to determine the position of the antenna, and during a second stage to cause the microphones to perform acquisition in order to implement acoustic measurement using the measurement instrumentation.
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Chevret Patrick
Demars Jean-Pierre
Vaucher de la Croix Daniel
Villiot Jean-Michel
Dennison, Schultz & MacDonald
Larkin Daniel S.
Metravib R.D.S.
Miller Rose M.
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