Electric heating – Metal heating – Of cylinders
Patent
1983-09-20
1985-03-12
Leung, P. H.
Electric heating
Metal heating
Of cylinders
219 1055R, 331107R, 330297, H05B 666
Patent
active
045047189
ABSTRACT:
A microwave heating apparatus comprises a solid state oscillating circuit, a pre-amplifier module for amplifying the output of the oscillating circuit, a plurality of amplifier modules for amplifying the output of the pre-amplifier module, a first power supply source for energizing the solid state oscillating circuit and a second power supply source for energizing all of the amplifier modules. Such an apparatus further comprises a delay circuit for activating the first power supply source after the second power supply source has been activated and the amplifier modules have been in a stable state.
REFERENCES:
patent: 3557333 (1971-01-01), McAvoy
patent: 3591826 (1971-07-01), Valles
patent: 3691338 (1972-09-01), Chang
patent: 3867607 (1975-02-01), Ohtani
patent: 4079333 (1978-03-01), Yamada
patent: 4097708 (1978-06-01), Bickel
Konno Mitsuo
Narita Ryuho
Okatsuka Hisashi
Taniguchi Koichi
Leung P. H.
Tokyo Shibaura Denki Kabushiki Kaisha
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