Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2011-07-19
2011-07-19
Lau, Tung S (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
Reexamination Certificate
active
07983857
ABSTRACT:
A system for applying ultrasonic energy to a workpiece, the system including a horn stack; a mounting system upon which the horn stack is mounted; a source of energy coupled to the horn stack; an anvil having a surface for supporting the workpiece; and a controller configured to receive a resonant frequency of the horn stack, and to determine a quantity standing in known relation to a change in gap between the horn stack and the anvil.
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Fettig Paul M.
Nayar Satinder K.
Oblak Donald S.
Pochardt Donald L.
3M Innovative Properties Company
Baker James A.
Lau Tung S
Pastirik Daniel R.
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