| 摘要 |
<P>PROBLEM TO BE SOLVED: To objectively evaluate power consumption of an own refrigerator from a result of a comparative evaluation of a refrigerator of a specific user with another refrigerator, and when the power consumption is large, to find out the cause. <P>SOLUTION: The refrigerator 1 transmits usage condition data such as power usage amount measured by a power usage measuring means 11 to a center device 3. The center device 3 adds up the usage condition data from a plurality of refrigerators, performs statistical processing, compares them by a statistical processing means 31, and outputs the statistical processing result to an output means 33. <P>COPYRIGHT: (C)2009,JPO&INPIT |
