Microwave heating using independently controllable internal and external antennae
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United States of America Patent
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Aug 27, 2002
Grant Date -
Nov 29, 2001
app pub date -
Mar 20, 2001
filing date -
Mar 23, 2000
priority date (Note) -
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Abstract
A microwave heating apparatus including a cavity for heating food, a first antenna, which projects into the cavity and is arranged to pass into or through the food in order to irradiate the food internally, and a second antenna arranged to supply microwave radiation into the cavity in order to irradiate the food externally. Microwave energy is supplied to the first and second antennae in such a way that the user can independently control the levels of microwave energy irradiated by the first and second antennae.
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