Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron
Patent
1997-02-20
1998-06-02
Pascal, Robert
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Distributed parameter resonator-type magnetron
324405, 324409, G01R 3125
Patent
active
057605440
ABSTRACT:
The microwave generator with use of a magnetron comprises a microwave detector for detecting microwave output from the magnetron and a filament life diagnostic circuit for judging the life of filament of the magnetron by decreasing an input power to a filament of the magnetron from a normal state of the magnetron while monitoring the microwave output from the magnetron by the microwave detector, comparing the input power in the normal state of the magnetron with that just before the magnetron becomes unstable and judging the filament life based on the difference between the input power of the normal state and that just before the unstable state.
REFERENCES:
patent: 2967996 (1961-01-01), Bradford
patent: 5565781 (1996-10-01), Dauge
Fukumoto Yoshiki
Kasai Yoshinobu
Matsuno Daisuke
Oichi Hiroaki
Taniguchi Michio
Bettendorf Justin P.
Daihen Corporation
Pascal Robert
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