Magnetron, and microwave oven and high-frequency heating...

Details Magnetron, and microwave oven and high-frequency heating... Magnetron, and microwave oven and high-frequency heating...

2006-04-11

2006-04-11

Lee, Wilson (Department: 2821)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

C219S678000

Reexamination Certificate

active

07026762

ABSTRACT:
A magnetron includes a ring-shaped anode, a cathode, an activating space, at least one permanent magnet and a magnetic flux carrying unit. The ring-shaped anode forms a plurality of resonance circuits. The cathode is disposed at the axial center of the anode to emit thermions. The activating space is formed between the anode and the cathode. The at least one permanent magnet is provided beside the anode. The magnetic flux carrying unit carries magnetic flux generated by the at least one permanent magnet to the activating space. A microwave oven and/or high frequency heating apparatus may utilize the magnetron.

REFERENCES:
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patent: 4426601 (1984-01-01), Tsuzurahara
patent: 4445873 (1984-05-01), Tsuzurabara
patent: 5541391 (1996-07-01), Seong
patent: 6653788 (2003-11-01), Ogura et al.
patent: 2002-163992 (2002-06-01), None
Park, Seung-Ho, Korean Patent Abstract Publication No. 1019930000576, Publication Date 19930125, Application No. 1019900014950, Application Date 19900920, Abstract only.

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