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. 23, 2006
Filed:
May. 27, 2003
Sakae Okuma, Tokyo, JP;
Shinya Inabe, Tokyo, JP;
Tetsuya Inotsuka, Tokyo, JP;
Niles Parts Co., Ltd., , JP;
Abstract
A rotation detecting apparatus including a drive gear rotatably supported by a case and capable of rotating cooperatively with an object to be detected, driven gears and rotatably supported by the case and brought in mesh with the drive gear, magnets provided at rotational center portions of the driven gears and having plane portions formed with N poles and S poles, a circuit board arranged at the case and capable of being connected to outside, magnetic reluctance elements attached to the circuit board and opposed to the plane portions of the magnets and an electronic circuit part for convertion output signals of the magnetic reluctance element into rotational angle signals, wherein the magnets of the driven gears are formed with the N poles and the S poles by magnetizing the magnets after having been subjected to insert molding by a resin.