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. 23, 1984
Filed:
Sep. 15, 1982
Applicant:
Inventors:
Takaharu Idogaki, Aichi, JP;
Hisasi Kawai, Aichi, JP;
Kyo Hattori, Shizuoka, JP;
Kazuhiro Sakurai, Shizuoka, JP;
Assignees:
Nippan Soken, Inc., Nishio, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310194 ; 310162 ; 310268 ;
Abstract
A rotation driving device is constructed from a bobbin, a coil wound on the bobbin, a stator inserted in the bobbin, and a permanent magnet arranged inside the stator. The stator consists of a hollow cylindrical body having a first, second, and third recesses. In accordance with the command electrical signal supplied to the coil, the rotation driving device changes the rotational position of the rotor.