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:
Jan. 06, 2026

Filed:

Aug. 16, 2021
Applicant:

Mitutoyo Corporation, Kawasaki, JP;

Inventor:

Hiroki Ujihara, Tsukuba, JP;

Assignee:

Mitutoyo Corporation, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 7/48 (2006.01); G01S 7/486 (2020.01); G01S 7/4865 (2020.01); G01S 7/497 (2006.01); G01S 17/08 (2006.01); G01S 17/26 (2020.01); G01S 17/34 (2020.01); G01S 17/50 (2006.01);
U.S. Cl.
CPC ...
G01S 7/4808 (2013.01); G01S 7/4802 (2013.01); G01S 7/486 (2013.01); G01S 7/497 (2013.01); G01S 17/08 (2013.01); G01S 17/26 (2020.01); G01S 17/34 (2020.01); G01S 7/4865 (2013.01); G01S 17/50 (2013.01);
Abstract

A data correction apparatus including an acquisition part that acquires, from a measurement apparatus capable of periodically measuring a distance while moving at least one of (i) an object to be measured or (ii) at least a part of the measurement apparatus, measurement data in which a first measurement result of the distance is arranged in time series and a second measurement result that is obtained by measuring the distance when the object to be measured and the measurement apparatus are in a stationary state is arranged at a head or a tail of the first measurement result, and a correction part that corrects an error included in the measurement data by applying the measurement data to a recurrence formula based on a time derivative of a measurement result of the measurement apparatus.


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