Microwave oven with timer device
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United States of America Patent
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-
Dec 4, 1990
Grant Date -
N/A
app pub date -
Oct 10, 1989
filing date -
Oct 17, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microwave oven with a timer device driven by a ripple voltage related to the mains frequency. The ripple voltage appears at a circuit point in the microwave oven power supply only during the time when microwave energy is being fed into the oven cavity.
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