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US 6,392,552 B1Granted
Weak cooling/overcooling compensation device for refrigerator
AssigneeLG Electronics Inc.
InventorJoon Bae Park
Life of this patent
Estimating the term…
Abstract
The device for compensating a weak cooling/overcooling for a cooling chamber of a refrigerator has a plurality of resistances connected in series between the power and ground and a plurality of switches connected in parallel to the plurality of resistances. A microprocessor receives a voltage divided according to an open/close state of the plurality of switches through a single input terminal. The device performs a weak cooling/overcooling compensation operation.
Claims2
A device for compensating weak cooling/overcooling of a refrigerator, the device comprising:
- a controlling temperature compensation device having a plurality of resistors connected in series between a power source and ground and a plurality of switching units connected in parallel to the plurality of resistors, respectively, for outputting a selectively divided voltage;
- and
- a microprocessor having an analog/digital conversion unit for converting said divided voltage value to a digital value, said divided voltage being input into a single input terminal of the microprocessor.
Dependencies are inferred from the claim text.