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:
Dec. 30, 2003
Filed:
Oct. 31, 2002
Applicant:
Inventors:
Masayuki Aiga, Hyogo, JP;
Nagisa Kuwahara, Tochigi, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/5587 ;
U.S. Cl.
CPC ...
H01J 2/5587 ;
Abstract
In a magnetron apparatus in accordance with the present invention, a first notch , a second notch and a third notch are formed in each of anode segments disposed radially inside an anode cylinder , whereby the passage of high-frequency current flowing through the resonator comprising the two anode segments adjacent to each other, the anode cylinder and strap rings and is made narrow and long.