Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron
Patent
1998-06-10
2000-05-16
Bettendorf, Justin P.
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Distributed parameter resonator-type magnetron
331 90, H01J 2320, H01J 25587
Patent
active
060641541
ABSTRACT:
Improved magnetron oscillators that controllably form a plasma within each of its resonant cavities to rapidly change the resonant frequency of each cavity. The present invention also provides for frequency tuning methods for use with magnetron oscillators. The plasma is controllably formed in one or more subcells of each resonant cavity in a manner that alters the electromagnetic field within each cavity. Preferably, a magnetized collisional plasma is controlled to rapidly change the resonant frequency of each cavity. However, many types of plasmas may be used to implement the present invention. Controlling formation of the plasma within each cavity tunes the magnetron oscillator on a submillisecond time scale.
REFERENCES:
patent: 4282499 (1981-08-01), DeFonzo
Crouch David D.
Harvey Robin J.
Santoru Joseph
Bettendorf Justin P.
Collins David W.
Lenzen, Jr. Glenn H.
Raytheon Company
Rudd Andrew J.
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