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:
Mar. 21, 1978
Filed:
Jan. 21, 1976
Applicant:
Inventor:
Yukuo Karube, Yokohama, JA;
Assignees:
Canon Kabushiki Kaisha, Tokyo, JA;
Canon Seiki Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 / ; 310 / ; 310154 ; 310219 ;
Abstract
A low-powered stepping motor is rotated and controlled by a driving circuit generating a pulsating current has a fixed field system formed by a permanent magnet, a soft magnetic material, etc. and a rotor disposed within the fixed field system, and forming armature windings in which the windings perform stepping motion in response to a pulsating current from the driving circuit to cause stepping rotation of the rotor.