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:
Aug. 15, 1989
Filed:
Mar. 25, 1988
Applicant:
Inventor:
Hidenobu Sakamoto, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324318 ; 324316 ;
Abstract
The high frequency magnetic field generating portions are arranged at spatially different positions, respectively, and high frequency currents having phase difference corresponding to a spatial deviation between the high frequency magnetic field generating portions are supplied to the high frequency magnetic field generating portions, resultant high frequency magnetic fields being combined to produce a single rotating magnetic field.