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:
Oct. 20, 2015
Filed:
Jan. 24, 2013
Mitutoyo Corporation, Kawasaki-shi, Kanagawa, JP;
Kouji Sasaki, Kawasaki, JP;
Mitutoyo Corporation, Kawasaki-shi, JP;
Abstract
A first reception wiring and a first magnetic flux coupler form a first track having a shape periodically changing in a rotation direction of the rotor at a first pitch. A second reception wiring and a second magnetic flux coupler form a second track having a shape periodically changing in a rotation direction of the rotor at a second pitch. The first reception wiring and the second reception wiring are stacked via a first insulative layer in a direction in which a rotation shaft extends. The first magnetic flux coupler and the second magnetic flux coupler are stacked via a second insulative layer in a direction in which the rotation shaft extends.