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, 1992
Filed:
Jul. 19, 1991
Applicant:
Inventor:
Ikuo Matsushita, Matsudo, JP;
Assignee:
Mabuchi Motor Co., Ltd., Chiba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 72 ; 310 / ; 310 51 ; 310 / ;
Abstract
A miniature motor driven by a full-wave or half-wave rectified power source, having a stator of a two-pole field system using a permanent magnet as magnetic poles, a rotor comprising a winding wound on a four-pole core, and noise-suppressing capacitors disposed between adjoining core arms of the four-pole core of the rotor.