Magnetron

Electric heating – Microwave heating – With specific generator

Reexamination Certificate

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Details

C315S039510

Reexamination Certificate

active

07067782

ABSTRACT:
A magnetron that includes a choke coil which is connected at one end to a cathode terminal and at the other end to a capacitor to form an LC circuit. The choke coil is made up of a first core type inductor, a second core type inductor and an air-core inductor, connected to the cathode terminal, all of which are connected in series and where the first and second core type inductors are separated by a 1 mm to 6 mm gap. The first and second core type inductors have a bar like, high-frequency absorbing member located within their respective windings.

REFERENCES:
patent: 3846667 (1974-11-01), Hisada et al.
patent: 3922612 (1975-11-01), Tashiro
patent: 4419606 (1983-12-01), Tsuzurabara et al.
patent: 5432405 (1995-07-01), Ochiai et al.
patent: 2004/0070345 (2004-04-01), Yang
patent: 57-17344 (1982-04-01), None
patent: 7-240154 (1995-09-01), None
patent: 8-7773 (1996-01-01), None
patent: 08007773 (1996-01-01), None
patent: 9-167570 (1997-06-01), None

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