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:
Nov. 04, 2003
Filed:
Sep. 09, 2002
Applicant:
Inventor:
Ikuo Ohya, Takatsuki, JP;
Assignee:
Techno Takatsuki Co., Ltd., Takatsuki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01E 7/08 ;
U.S. Cl.
CPC ...
H01E 7/08 ;
Abstract
An iron core comprising an outer yoke, side poles disposed on both end portions of the outer yoke, and a center pole disposed between the side poles, wherein a magnetic path of polar portions of the center pole is formed as an open-circuit. There can be restricted for short-circuiting of magnetic flux of permanent magnets and thrust of an oscillator disposed at an air gap formed between electromagnets can be improved.