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:
Mar. 23, 2021

Filed:

Feb. 12, 2018
Applicants:

Saeed Alikhani, Tehran, IR;

Javad Hasani Bidgoli, Tehran, IR;

Mohammad Jalal Sadeghi, Tehran, IR;

Alireza Ahmadian, Tehran, IR;

Farzam Farahmand, Tehran, IR;

Saeed Sarkar, Tehran, IR;

Inventors:

Saeed Alikhani, Tehran, IR;

Javad Hasani bidgoli, Tehran, IR;

Mohammad Jalal Sadeghi, Tehran, IR;

Alireza Ahmadian, Tehran, IR;

Farzam Farahmand, Tehran, IR;

Saeed Sarkar, Tehran, IR;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 34/20 (2016.01); G01D 5/22 (2006.01); G01B 7/00 (2006.01); A61B 90/00 (2016.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 34/20 (2016.02); G01B 7/003 (2013.01); G01D 5/2291 (2013.01); A61B 2017/00119 (2013.01); A61B 2034/2059 (2016.02); A61B 2090/0811 (2016.02);
Abstract

A location tracking apparatus and method of tracking are disclosed. The location tracking apparatus includes a tip configured to move on a surface, a tracking instrument, and a frictionless sensor associated with the tip. The tip is configured to undergo a displacement within a limited range when the tip is pushed to the surface, or when the tip is moved away from the surface, so that the tip maintains contact with the surface while moving on the surface. The tracking instrument is configured to generate location data. The frictionless sensor is configured to generate displacement data.


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