Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2007-07-17
2007-07-17
Schuberg, Darren (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
Reexamination Certificate
active
10987707
ABSTRACT:
An ultrasonic phased array transducer system comprises an ultrasonic phased array transducer having a piezo central element, concentric piezo ring elements enclosing the piezo central element, concentric sectored piezo rings having piezo sector elements enclosing the piezo ring elements; a driver/processor having a plurality of input/output ports, each input/output port in electrical communication with at least one of the piezo central element, the piezo ring elements, or the piezo sector elements; and a plurality of piezo element impedance matching circuits provided in a plurality of electrical channels connecting the driver/processor and the ultrasonic phased array transducer.
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Ultra Sonic Phased Array Inspection of Titanium Billets( Review of Progress Quantitative Nondestructive Evaluation vol. 20 )2001American Institue of Physics).
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Hassan Waled T.
Lupien Vincent
Addison Karen
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
Schuberg Darren
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