INFORMATION ACQUISITION METHOD, INFORMATION ACQUISITION SYSTEM, AND INFORMATION ACQUISITION APPARATUS

摘要

A server device (101) which comprises: a transmission/reception unit (201) which receives from a household appliance (102) the operating state of the household appliance (102), and an identifier for identifying the household appliance (102); an update unit (207) which uses the received operating state to estimate the usage state of consumables, and on the basis of the estimated consumables usage state, updates a consumables usage state that is stored in a utilisation information accumulation unit (205); and a determination unit (206) which assesses, on the basis of the updated consumables usage state, whether to transmit a confirmation message for confirming the consumables being used by the household appliance.