Safety apparatus for output level-adjustable microwave oven

Details Safety apparatus for output level-adjustable microwave oven Safety apparatus for output level-adjustable microwave oven

2005-04-05

2005-04-05

Fuqua, Shawntina (Department: 3742)

Electric heating

Microwave heating

Field modification

C219S721000, C219S723000, C219S716000, C327S538000, C331S086000, C363S098000, C361S103000, C361S115000, C361S093900

Reexamination Certificate

active

06875970

ABSTRACT:
A safety apparatus for an output level-adjustable microwave oven includes a fuse disposed in a power supply line that connects a high power relay or a low power relay with a primary coil of a high voltage transformer of the microwave oven. Where a wrong operation occurs due to defects in the relays, such as a melting of any one of the relays, the fuse disposed in the power supply line connected to the primary coil of the high voltage transformer is cut off. Accordingly, a potential fire resulting from the wrong operation is prevented.

REFERENCES:
patent: 4873408 (1989-10-01), Smith et al.
patent: 5625520 (1997-04-01), Lim
patent: 5894396 (1999-04-01), Kim

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