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Remote vibration sensing through opaque media using permanent magnets

United States Patent

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April 6, 2021
View the Complete Patent at the US Patent & Trademark Office
A method of sensing vibrations or displacements remotely is provided. Magnets are attached to vibrating objects or the vibrating objects themselves are magnetic. A number of magnetic sensors are placed a specified distance from the magnets. Vibrational displacement of the vibrating objects is determined according to a model that maps changes in magnetic field to vibrations or spatial displacements.
16/ 169,168
October 24, 2018
G01H 11/02 (20060101)H01F 7/02 (20060101)G01B 7/14 (20060101)
STATEMENT OF GOVERNMENT INTEREST This invention was made with United States Government support under Contract No. DE-NA0003525 between National Technology & Engineering Solutions of Sandia, LLC and the United States Department of Energy. The United States Government has certain rights in this invention.