Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kari Ullakko1
Kotaro Sasaki1
Peter Müllner1
Date of Patent
March 3, 2015
1Patent Application Number
136522931
Date Filed
October 15, 2012
1Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus for sensing strain or stress includes a body including magnetic shape-memory alloy (MSMA) material, having a first axis. A first drive coil and first sensor coil are wound around the body about the first axis. The drive coil is coupled to a power source and configured to generate an alternating magnetic field on the body. The first sensor coil is configured to detect changes in inductance of the body due to changes in magnetic permeability of the body with deformation thereof.
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