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. 01, 2022
Filed:
Oct. 07, 2021
Mitutoyo Corporation, Kanagawa, JP;
Miyako Mizutani, Kanagawa, JP;
MITUTOYO CORPORATION, Kawasaki, JP;
Abstract
An electromagnetic inductive encoder that can suppress the effect of changes in magnetic flux received by the receiver section and maintain the accuracy of measurement results is provided. The electromagnetic inductive encoderincludes a scaleand a headthat is provided to face the scaleand moves relative to the scale. The headincludes a transmitter sectionand a receiver sectionwith a plurality of receiving coils. The receiver sectionhas a first receiver sectionwith at least one receiving coil, a second receiver sectionthat is provided apart from the first receiver sectionand has at least one receiving coildifferent from the first receiver section, and connection wiringthat connects the first receiver sectionand second receiver section. The first receiver sectionand the second receiver sectionare arranged linearly symmetrically with the axis Lof the Y-direction, which is orthogonal to the X-direction (measurement direction) in the planewhere the receiving coilsare arranged, and are arranged in the same number.