Importance

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Abstract

An electrical power saving system that achieves efficient electricity consumption of apparatuses connected via a communication network includes at least first and second apparatuses connected via the communication network. The first and second apparatuses each include: a transmission and reception unit that transmits and receives a control command via the communication network, the control command being a command by which one apparatus controls another apparatus; and an operation state switching unit that switches an operation state according to the control command. The first and second apparatuses each have, as operation states of different electricity consumption, a first OFF operation mode in which the apparatus is in a power-OFF state but a part of the apparatus is supplied with power, and a second OFF operation mode of lower electricity consumption than the first OFF operation mode. The operation state switching unit in the second apparatus switches the operation state of the second apparatus from the first OFF operation mode to the second OFF operation mode in the case where, when the second apparatus is in the first OFF operation mode, the transmission and reception unit in the second apparatus receives a control command instructing to switch the operation state, from the first apparatus.

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First Claim