Yee & Associates, P.C.
High frequency vibration system
A method and apparatus for testing an object. A testing unit comprises a base structure, a contact structure, and piezoelectric transducers. The piezoelectric transducers are located between the base structure and the contact structure. A preload is present on the piezoelectric transducers.
The Boeing Company
G G
G01M G01M
inventional inventional
James P. Anthony Charles Chhour M. Chi Chin Abbas
Rogers Buono Thong Lee Mandvi