The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2020

Filed:

Apr. 19, 2018
Applicant:

Ascension Technology Corporation, Shelburne, VT (US);

Inventors:

Westley S. Ashe, Hinesburg, VT (US);

Vladimir F. Kogan, Shelburne, VT (US);

Assignee:

Ascension Technology Corporation, Shelburne, VT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/38 (2006.01); G01V 3/10 (2006.01); A61B 34/20 (2016.01); A61B 5/06 (2006.01); A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
G01V 3/38 (2013.01); A61B 5/062 (2013.01); A61B 34/20 (2016.02); G01V 3/10 (2013.01); G01V 3/101 (2013.01); A61B 5/743 (2013.01); A61B 2034/2051 (2016.02);
Abstract

A system comprising: a transmitter that includes at least three coils, the transmitter configured to generate magnetic fields; a sensor that includes at least three coils, the sensor configured to provide sensor signals that correspond to the magnetic fields generated by the transmitter; and a computing device in communication with the transmitter and the sensor, the computing device configured to compare a first sensor signal and a second sensor signal, and based on the comparison, determine whether any of the sensor coils are locked to a corresponding frequency out-of-phase.


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