Image forming apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 9, 2014
Issued Date -
N/A
app pub date -
Dec 8, 2011
filing date -
Dec 20, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus having an active mode of performing image formation and an electric power saving mode of reducing electric power consumption, the apparatus including: an electric power measuring portion configured to measure the electric power consumption of the apparatus; a storage portion configured to store electric power consumption information per unit time of the apparatus in the electric power saving mode; and a control portion configured to determine, based on the electric power consumption measured by the electric power measuring portion, consumed electric energy of the apparatus during a period in which the apparatus is in the active mode, and determine, based on a length of period in which the apparatus is in the electric power saving mode and the electric power consumption information stored in the storage portion, consumed electric energy of the apparatus during the period in which the apparatus is in the electric power saving mode.
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