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:
Jan. 06, 2015
Filed:
Dec. 05, 2011
Takuhiro Ogushi, Yokohama, JP;
Takuhiro Ogushi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A printing apparatus prints on a printing medium based on print data from at least one host apparatus; stores print information associated with a printing operation except for print data in a first storage unit; performs, by a power supply unit, first control to supply power to the first storage unit and second control to stop power supply to the first storage unit; stores, in a second storage unit which receives power supply from the power supply unit regardless of the first control or the second control, the print information stored in the first storage unit when the printing apparatus changes from the first control to the second control; and when the printing apparatus receives a request from the host apparatus to obtain the print information after changing to the second control, transmits the print information stored in the second storage unit to the host apparatus.