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. 19, 1976
Filed:
Jul. 21, 1975
Applicant:
Inventors:
Kusuo Nakada, Ichihara, JA;
Yoshio Ishida, Mobara, JA;
Assignee:
Hitachi, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 3971 ; 315 3951 ; 315 3977 ;
Abstract
In a magnetron comprising a cathode electrode, an anode cylinder including a plurality of vanes disposed about the cathode electrode for defining an interaction space, and a pair of permanent magnets contained in the anode cylinder for producing magnetic field in the interaction space, one permanent magnet is magnetized in the radial direction whereas the other is magnetized in the axial direction whereby the magnetic field distribution in the interaction space is made uniform.
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Nakada, Kusuo. (1976). Magnetron comprising a radially magnetized permanent magnet and an (U.S. Patent No. 3987333). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3987333
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile