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:
Aug. 26, 2014
Filed:
Jul. 24, 2012
Katsutoshi Miyahara, Kawasaki, JP;
Katsutoshi Miyahara, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This invention is made to solve a problem that the power supply cannot be used efficiently because, even when the normally operable ambient temperature of an apparatus is low, the supplied power of the power supply is restricted in consideration of a case in which the ambient temperature is high. To solve this, a temperature sensor measures the temperature of a predetermined portion of a printing apparatus or an ambient temperature. The driving count of printing elements used to print in a region by one scan is compared with a threshold determined in accordance with the measured temperature, and an appropriate printing mode is selected. When the ambient temperature of the printing apparatus is low, a large power can be supplied to the printhead, increasing the efficiency of the power supply.