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公开(公告)号：US11988441B2
公开(公告)日：2024-05-21
申请号：US17423385
申请日：2020-10-15
Inventor： Wanjing Du , Yuji Osaki
CPC classification number: F25D29/00 , F25B49/022 , F25B2500/06 , F25B2700/2104 , F25D2500/04 , F25D2700/02 , F25D2700/12
Abstract: A refrigerator management method according to one aspect of the present invention includes: obtaining log information including temperature information indicating an interior temperature of a refrigerator and opened and closed information indicating whether or not a door of the refrigerator has been opened and closed; calculating, based on the log information, a timewise change in the interior temperature for when the door is opened and closed in a predetermined period and for when the door is not opened and closed in the predetermined period; and outputting result information indicating a calculation result calculated in the calculating.
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公开(公告)号：US11934259B2
公开(公告)日：2024-03-19
申请号：US17802070
申请日：2021-02-19
Inventor： Wanjing Du , Yuji Osaki
CPC classification number: G06F11/0793 , G06F11/076 , G06F11/079
Abstract: A failure diagnosis device includes a communication unit, a data comparison unit, and an eligibility determination unit. The communication unit acquires first physical quantity data and second physical quantity data of a type different from that of the first physical quantity data that are used for performing failure diagnosis of a home appliance acquired by a sensor unit, and first control information related to the second physical quantity data acquired by the home appliance. The data comparison unit compares the second physical quantity data with the first control information. The eligibility determination unit determines whether or not the first physical quantity data is eligible as data used for the failure diagnosis based on a comparison result obtained by the data comparison unit.
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