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US Patent 8738315 Digital damping control of nanomechanical test instruments

Patent 8738315 was granted and assigned to Hysitron, Inc. on May, 2014 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
‌
Hysitron, Inc.
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
8738315
Patent Inventor Names
Ryan Charles Major0
Yunje Oh0
Matthew R. Wilson0
Oden L. Warren0
Syed Amanula Syed Asif0
Date of Patent
May 27, 2014
Patent Application Number
12498238
Date Filed
July 6, 2009
Patent Citations Received
‌
US Patent 12027343 Real-time direct measurement of mechanical properties in-situ of scanning beam microscope
0
Patent Primary Examiner
‌
John Breene
Patent abstract

A method of damping control for a nanomechanical test system, the method including providing an input signal, providing an output signal representative of movement of a displaceable probe along an axis in response to the input signal, performing a frequency-dependent phase shift of the output signal to provide a phase-shifted signal, adjusting the phase-shifted signal by a gain value to provide a feedback signal, and adjusting the input signal by incorporating the feedback signal with the input signal.

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