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:
Jun. 28, 2022
Filed:
Feb. 20, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kenta Sato, Shiojiri, JP;
Yasushi Yoshikawa, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 9/00 (2006.01); G01L 27/00 (2006.01); G01L 9/12 (2006.01);
U.S. Cl.
CPC ...
G01L 27/007 (2013.01); G01L 9/0073 (2013.01); G01L 9/12 (2013.01);
Abstract
A sensor module that includes an inertial sensor and an abnormality determination unit that determines that the inertial sensor is abnormal when a structural resonance frequency at the first time point and a structural resonance frequency at the second time point are separated by a predetermined value or more.