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:
Jul. 08, 2008
Filed:
Dec. 08, 2004
Applicants:
Yoshio Suimon, Tokyo, JP;
Yoshinobu Kaneko, Kawasaki, JP;
Inventors:
Yoshio Suimon, Tokyo, JP;
Yoshinobu Kaneko, Kawasaki, JP;
Assignee:
Tomy Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A motor having: a rotor having a permanent magnet; and a stator having an air core coil, wherein a rotating magnetic field is formed between the permanent magnet and the air core coil by performing an energization control of the air core coil to rotate the rotor, a rotor shaft is made of one of a magnetic material and a nonmagnetic material, and a part or a portion to form the rotor excluding the permanent magnet and the rotor shaft is made of a nonmagnetic material.