Refrigerator and control method thereof
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United States of America Patent
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Jun 18, 2013
Grant Date -
Oct 8, 2009
app pub date -
Mar 25, 2009
filing date -
Apr 7, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A refrigerator capable of supercooling a target object and a control method thereof are provided. The refrigerator includes a temperature sensor which senses a temperature of the target object in the cooling compartment, wherein the temperature sensor is prevented from being in contact with ambient cool air and is installed on a bottom surface on which the target object is placed so as to sense only the temperature of the target object. Further, the control method includes sensing a temperature of the target object at each interval of a specified time Δt, calculating a difference between two temperatures sensed at specified time intervals, and comparing the difference between two temperatures with a predetermined reference value ΔTc to determine the supercooled state of the target object.
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