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:
Nov. 07, 2023
Filed:
Apr. 26, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Masayoshi Todorokihara, Suwa, JP;
Kenta Sato, Shiojiri, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 19/5614 (2012.01); G01P 15/125 (2006.01); G01C 19/5719 (2012.01); G01P 15/13 (2006.01); G01H 17/00 (2006.01); G01H 3/00 (2006.01); G01P 15/10 (2006.01); G01P 15/08 (2006.01);
U.S. Cl.
CPC ...
G01C 19/5614 (2013.01); G01C 19/5719 (2013.01); G01H 3/005 (2013.01); G01H 17/00 (2013.01); G01P 15/10 (2013.01); G01P 15/125 (2013.01); G01P 15/132 (2013.01); G01P 2015/0822 (2013.01);
Abstract
A vibration rectification error correction circuit includes a first correction circuit that obtains a digital value based on a signal to be measured output from a sensor element configured to measure a physical quantity and corrects a vibration rectification error of the digital value by a correction function based on a product of values obtained by biasing the digital value.