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:
Sep. 23, 2003
Filed:
May. 15, 2002
Kenji Yasui, Yamatokoriyama, JP;
Takeshi Kitaizumi, Yamatokoriyama, JP;
Yoshiaki Ishio, Ikoma, JP;
Hideki Omori, Akashi, JP;
Kazuho Sakamoto, Souraku-gun, JP;
Makoto Mihara, Nara, JP;
Haruo Suenaga, Katano, JP;
Hideaki Moriya, Yamatokoriyama, JP;
Emiko Ishizaki, Nabari, JP;
Hisashi Morikawa, Kitakatsuragi-gun, JP;
Matsushita Electric Industrial Co. Ltd., Osaka, JP;
Abstract
It is provided a magnetron drive power supply wherein a series connection body of first and second semiconductor switch elements that can be brought into reverse conduction and a series connection body of first and second diodes are connected in parallel, first and second capacitors are connected in parallel to the first and second diodes, a series circuit of a commercial power supply and a primary winding of a high-voltage transformer is connected between a connection point of the first and second semiconductor switch elements that can be brought into reverse conduction and a connection point of the first and second diodes, and output of a secondary winding of the high-voltage transformer energizes a magnetron through a high-voltage rectification circuit.