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. 10, 2019
Filed:
Apr. 29, 2014
Fanuc Corporation, Yamanashi, JP;
Hirosato Yoshida, Yamanashi, JP;
FANUC CORPORATION, Yamanashi, JP;
Abstract
An encoder () having a body to be measured () and a measuring body () includes an analog-digital converter () converting, to a digital signal, a sinusoidal analog signal generated by a detection unit () and has different phases, a storage unit () storing correction data for aperiodic error components among periodic and aperiodic error components included in errors of position data, an aperiodic error correction unit () correcting the aperiodic error components among errors in the position data by using the correction data, and a periodic error correction unit () correcting the periodic error components among the errors in the position data.