The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2014
Filed:
Dec. 08, 2011
Junichi Hirota, Toride, JP;
Junichi Hirota, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
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.