Microwave oven with food weight measurement
First Claim
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1. A microwave oven comprising:
- a cooking chamber having a turntable located therein;
a microwave energy source for supplying microwave energy to said cooking chamber;
weight detection means for detecting the weight of said turntable with or without food thereon and outputting a weight detection signal representative thereof;
switching means for controlling weight measurement operations of said turntable;
food weight measuring means, responsive to said food weight detection signal and said switching means, for determining an initial weight value of said turntable without food thereon, determining a total weight value of said turntable having food thereon, and subtracting said initial value from said total value to determine a net weight food value; and
means for displaying said net weight food value along with a qualifying term to indicate the inexactness of said net weight food value, said means for displaying being operative in response to the determination of said net weight food value.
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Abstract
A microwave oven is disclosed including a turntable inside a cooking chamber, the turntable being provided with a weight detection device, a weight measuring device on a digital display for displaying a result of the food weight measurement produced by the weight measuring device. The word "approximately" or another appropriate term is also displayed together with a measured net weight value.
33 Citations
4 Claims
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1. A microwave oven comprising:
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a cooking chamber having a turntable located therein; a microwave energy source for supplying microwave energy to said cooking chamber; weight detection means for detecting the weight of said turntable with or without food thereon and outputting a weight detection signal representative thereof; switching means for controlling weight measurement operations of said turntable; food weight measuring means, responsive to said food weight detection signal and said switching means, for determining an initial weight value of said turntable without food thereon, determining a total weight value of said turntable having food thereon, and subtracting said initial value from said total value to determine a net weight food value; and means for displaying said net weight food value along with a qualifying term to indicate the inexactness of said net weight food value, said means for displaying being operative in response to the determination of said net weight food value. - View Dependent Claims (2, 3, 4)
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Specification