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:
May. 22, 2018
Filed:
Jul. 02, 2014
Ntn Corporation, Osaka, JP;
Toru Takahashi, Shizuoka, JP;
Tatsuo Nakajima, Aichi, JP;
Hiroyuki Hakamata, Osaka, JP;
Ikuo Uemoto, Aichi, JP;
Shinji Miyazaki, Aichi, JP;
Takuji Harano, Aichi, JP;
Takayuki Oda, Aichi, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A magnetic encoder device () of the present invention includes a base portion () having a mounting surface () for mounting to a rotary shaft (), a cored bar () fitted and fixed over the base portion (), and a double-row magnetic encoder track () formed on the cored bar (). Through movement of each of magnetic poles of the magnetic encoder track () over a region opposed to a magnetic sensor (), an angle of the rotating rotary shaft is detected. The base portion () is formed of a sintered metal, and the mounting surface () is subjected to sizing.