Acoustic coupling with a fluid retainer

Details Acoustic coupling with a fluid retainer Acoustic coupling with a fluid retainer

2006-06-06

2006-06-06

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S606000, C073S644000

Reexamination Certificate

active

07055389

ABSTRACT:
An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic signals in the 1-200 MHz frequency range and an acoustic coupler that acoustically couples the acoustic transducer to the object. The acoustic coupler is adapted to essentially retain a body of fluid such as water between a section of the surface of the object and the acoustic transducer. The fluid carries acoustic signals in the 1-200 MHz frequency range between the acoustic transducer and the object.

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