Magnetron device exhibiting reduced microwave leakage

Details Magnetron device exhibiting reduced microwave leakage Magnetron device exhibiting reduced microwave leakage

1978-01-23

1980-09-16

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

219 1055B, 313239, 315101, 315 85, H01J 2550

Patent

active

042232457

ABSTRACT:
In a magnetron device, a shield box is disposed covering a cathode stem and energizing power is supplied from the outside of the shield box to cathode lead terminals in the shield box.
An energizing power supplying means comprises a transformer having a primary coil and a secondary coil which are both wound around a magnetic core and connect inductively the inner section of the shield box with the outer section. Thus high frequency noise which is a part of high frequency energy oscillated in anode resonant cavities and transmitted into the shield box through the cathode lead terminals is perfectly confined in the box. Therefore high frequency noise leaking out from the magnetron device toward a commercial power source is significantly reduced.

REFERENCES:
patent: 3611027 (1971-10-01), Koinuma et al.
patent: 3651371 (1972-03-01), Tingley
patent: 3697804 (1972-10-01), Anderson et al.
patent: 3922612 (1975-11-01), Tashiro
patent: 3924196 (1975-12-01), Takahashi et al.
patent: 4104561 (1978-08-01), Iwata
patent: 4156829 (1979-05-01), Harada

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