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:
Apr. 13, 1982
Filed:
Sep. 05, 1980
Applicant:
Inventors:
Nobuo Ikeda, Nara, JP;
Hirofumi Yoshimura, Nara, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219 / ;
Abstract
A microwave heating apparatus with a heating chamber, a high frequency oscillator, and a wave guide between the oscillator and the chamber has a rotatable antenna coupling the wave guide with the heating chamber for distributing high frequency radiation in the chamber. The rotatable antenna has an inner end extending into the wave guide and which is rotatably mounted therein, a first magnet is provided in the inner end of the rotatable antenna, and an antenna drive motor located outside the wave guide has a second magnet in spaced opposed relation to the first magnet and forming a magnetic coupling therewith.