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.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
Feb. 10, 2022
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/107 (2006.01); A61B 5/00 (2006.01); A61B 5/11 (2006.01); G01C 21/16 (2006.01);
U.S. Cl.
CPC ...
A61B 5/1122 (2013.01); A61B 5/4571 (2013.01); A61B 5/4585 (2013.01); A61B 5/4595 (2013.01); A61B 5/742 (2013.01); G01C 21/16 (2013.01);
Abstract
A measurement device that includes a calculation unit that calculates, using sensor data measured by a sensor according to a measurement motion regarding a limb of a user, the sensor being attached to the user at a predetermined attachment site, a length and a central angle of an arc related to a trajectory of the sensor in a period of the measurement motion, and an estimation unit that estimates a radius of the arc calculated using the calculated length and the calculated central angle of the arc as a length of the limb of the user.