Electric heating – Metal heating – Of cylinders
Patent
1990-07-11
1992-09-22
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1055D, 362 92, H05B 676
Patent
active
051499304
ABSTRACT:
A microwave oven with a lighting device for illumination of the oven cavity. The lighting device comprises a smaller hole in the cavity wall, the small dimensions of said hole substantially eliminating leak of microwave through the hole, and a light-intensive glowlamp which is smaller than the hole and whch is positioned outside the cavity in close connection with the hole.
REFERENCES:
patent: 3604783 (1971-09-01), Roth
patent: 4559585 (1985-12-01), Almagren et al.
patent: 4621180 (1986-11-01), Kristof et al.
patent: 4814952 (1989-03-01), Hammerl
patent: 4853508 (1989-08-01), Hammerl
patent: 4880955 (1989-11-01), Nitzinger et al.
Fredriksson Ove R.
Levoska Ilmari
Krefman Stephen D.
Leung Philip H.
Roth Thomas J.
Turcotte Thomas E.
Whirlpool International B.V.
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